update changelog for v0.8.6-beta [no ci]

* improve scanner detection when developing on macos

* support ogv files in local libraries

* improve health check wording

* try to properly restore other videos that are no longer missing

.config/dotnet-tools.json

@@ -3,16 +3,10 @@
   "isRoot": true,
   "tools": {
     "jetbrains.resharper.globaltools": {
-      "version": "2021.2.2",
+      "version": "2023.3.3",
       "commands": [
         "jb"
       ]
-    },
-    "swashbuckle.aspnetcore.cli": {
-      "version": "5.6.2",
-      "commands": [
-        "swagger"
-      ]
     }
   }
 }

.editorconfig

@@ -1,6 +1,6 @@
 
 [*]
-charset=utf-8-bom
+charset=utf-8
 end_of_line=lf
 trim_trailing_whitespace=false
 insert_final_newline=false
@@ -83,3 +83,8 @@ tab_width=4
 [*.yml]
 indent_style = space
 indent_size = 2
+
+
+[*.cs]
+# disable CA1848: Use the LoggerMessage delegates`
+dotnet_diagnostic.ca1848.severity = none

.github/dependabot.yml

@@ -6,3 +6,21 @@ updates:
       interval: daily
     assignees:
       - jasongdove
+  - package-ecosystem: docker
+    directory: "/docker"
+    schedule:
+      interval: daily
+    assignees:
+      - jasongdove
+  - package-ecosystem: docker
+    directory: "/docker/nvidia"
+    schedule:
+      interval: daily
+    assignees:
+      - jasongdove
+  - package-ecosystem: docker
+    directory: "/docker/vaapi"
+    schedule:
+      interval: daily
+    assignees:
+      - jasongdove

.github/workflows/artifacts.yml

@@ -33,23 +33,23 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: macos-latest
+          - os: macos-11
             kind: macOS
             target: osx-x64
-          - os: macos-latest
+          - os: macos-11
             kind: macOS
             target: osx-arm64
     steps:
       - name: Get the sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           submodules: true
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Clean
         run: dotnet clean --configuration Release && dotnet nuget locals all --clear
@@ -58,7 +58,7 @@ jobs:
         run: dotnet restore -r "${{ matrix.target}}"
 
       - name: Import Code-Signing Certificates
-        uses: Apple-Actions/import-codesign-certs@v1
+        uses: Apple-Actions/import-codesign-certs@v2
         with:
           p12-file-base64: ${{ secrets.apple_developer_certificate_p12_base64 }}
           p12-password: ${{ secrets.apple_developer_certificate_password }}
@@ -71,7 +71,10 @@ jobs:
 
       - name: Build
         shell: bash
-        run: dotnet publish ErsatzTV/ErsatzTV.csproj --framework net6.0 --runtime "${{ matrix.target }}" -c Release -o publish -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=true -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
+        run: |
+          sed -i '' '/Scanner/d' ErsatzTV/ErsatzTV.csproj
+          dotnet publish ErsatzTV.Scanner/ErsatzTV.Scanner.csproj --framework net8.0 --runtime "${{ matrix.target }}" -c Release -o publish -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=false -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
+          dotnet publish ErsatzTV/ErsatzTV.csproj --framework net8.0 --runtime "${{ matrix.target }}" -c Release -o publish -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=false -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
 
       - name: Bundle
         shell: bash
@@ -98,18 +101,15 @@ jobs:
             --icon "ErsatzTV.app" 200 190 \
             --hide-extension "ErsatzTV.app" \
             --app-drop-link 600 185 \
+            --skip-jenkins \
             "ErsatzTV.dmg" \
             "ErsatzTV.app/"
 
       - name: Notarize
         shell: bash
         run: |
-          brew tap mitchellh/gon
-          brew install mitchellh/gon/gon
-          gon -log-level=debug -log-json ./gon.json
-        env:
-          AC_USERNAME: ${{ secrets.ac_username }}
-          AC_PASSWORD: ${{ secrets.ac_password }}
+          xcrun notarytool submit ErsatzTV.dmg --apple-id "${{ secrets.ac_username }}" --password "${{ secrets.ac_password }}" --team-id 32MB98Q32R --wait
+          xcrun stapler staple ErsatzTV.dmg
 
       - name: Cleanup
         shell: bash
@@ -120,6 +120,7 @@ jobs:
 
       - name: Delete old release assets
         uses: mknejp/delete-release-assets@v1
+        if: ${{ inputs.release_tag == 'develop' }}
         with:
           token: ${{ secrets.gh_token }}
           tag: ${{ inputs.release_tag }}
@@ -149,25 +150,36 @@ jobs:
           - os: ubuntu-latest
             kind: linux
             target: linux-arm
+          - os: ubuntu-latest
+            kind: linux
+            target: linux-arm64
           - os: windows-latest
             kind: windows
             target: win-x64
     steps:
       - name: Get the sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Clean
         run: dotnet clean --configuration Release && dotnet nuget locals all --clear
 
       - name: Install dependencies
-        run: dotnet restore -r "${{ matrix.target}}"
+        run: dotnet restore -r "${{ matrix.target }}"
+
+      - uses: suisei-cn/actions-download-file@v1.3.0
+        if: ${{ matrix.kind == 'windows' }}
+        id: downloadffmpeg
+        name: Download ffmpeg
+        with:
+          url: "https://github.com/ErsatzTV/ErsatzTV-ffmpeg/releases/download/6.1-working-cuvid/ffmpeg-6.1-working-cuvid.7z"
+          target: ffmpeg/
 
       - name: Build
         shell: bash
@@ -177,11 +189,21 @@ jobs:
           echo "RELEASE_NAME=${release_name}" >> $GITHUB_ENV
 
           # Build everything
-          dotnet publish ErsatzTV/ErsatzTV.csproj --framework net6.0 --runtime "${{ matrix.target }}" -c Release -o "$release_name" -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=true -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
+          sed -i '/Scanner/d' ErsatzTV/ErsatzTV.csproj
+          dotnet publish ErsatzTV.Scanner/ErsatzTV.Scanner.csproj --framework net8.0 --runtime "${{ matrix.target }}" -c Release -o "$release_name" -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=true -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
+          dotnet publish ErsatzTV/ErsatzTV.csproj --framework net8.0 --runtime "${{ matrix.target }}" -c Release -o "$release_name" -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=true -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
 
           # Build Windows launcher
           if [ "${{ matrix.kind }}" == "windows" ]; then
-            dotnet publish ErsatzTV-Windows/ErsatzTV-Windows.csproj --framework net6.0-windows --runtime "${{ matrix.target }}" -c Release -o "$release_name" -p:InformationalVersion="${{ inputs.release_version }}-${{ matrix.target }}" -p:EnableCompressionInSingleFile=true -p:DebugType=Embedded -p:PublishSingleFile=true --self-contained true
+            cargo build --manifest-path=ErsatzTV-Windows/Cargo.toml --release --all-features
+            ls -l ErsatzTV-Windows/target/release
+            mv ErsatzTV-Windows/target/release/ersatztv_windows.exe "$release_name/ErsatzTV-Windows.exe"
+          fi
+
+          # Download ffmpeg
+          if [ "${{ matrix.kind }}" == "windows" ]; then
+            7z e "ffmpeg/${{ steps.downloadffmpeg.outputs.filename }}" -o"$release_name" '*.exe' -r
+            rm -f "$release_name/ffplay.exe"
           fi
 
           # Pack files
@@ -193,12 +215,10 @@ jobs:
 
           # Delete output directory
           rm -r "$release_name"
-        env:
-          AC_USERNAME: ${{ secrets.ac_username }}
-          AC_PASSWORD: ${{ secrets.ac_password }}
 
       - name: Delete old release assets
         uses: mknejp/delete-release-assets@v1
+        if: ${{ inputs.release_tag == 'develop' }}
         with:
           token: ${{ secrets.gh_token }}
           tag: ${{ inputs.release_tag }}
@@ -206,6 +226,7 @@ jobs:
           assets: |
             *${{ matrix.target }}.zip
             *${{ matrix.target }}.tar.gz
+
       - name: Publish
         uses: softprops/action-gh-release@v1
         with:

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get the sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Extract Docker Tag
@@ -19,14 +19,14 @@ jobs:
           tag=$(git describe --tags --abbrev=0)
           tag2="${tag:1}"
           short=$(git rev-parse --short HEAD)
-          final="${tag2/alpha/$short}"
+          final="${tag2/beta/$short}"
           echo "GIT_TAG=${final}" >> $GITHUB_ENV
       - name: Extract Artifacts Version
         shell: bash
         run: |
           tag=$(git describe --tags --abbrev=0)
           short=$(git rev-parse --short HEAD)
-          final="${tag/alpha/$short}"
+          final="${tag/beta/$short}"
           echo "ARTIFACTS_VERSION=${final}" >> $GITHUB_ENV
           echo "INFO_VERSION=${tag:1}" >> $GITHUB_ENV
     outputs:
@@ -34,7 +34,7 @@ jobs:
       artifacts_version: ${{ env.ARTIFACTS_VERSION }}
       info_version: ${{ env.INFO_VERSION }}
   build_and_upload:
-    uses: jasongdove/ersatztv/.github/workflows/artifacts.yml@main
+    uses: ersatztv/ersatztv/.github/workflows/artifacts.yml@main
     needs: calculate_version
     with:
       release_tag: develop
@@ -47,7 +47,7 @@ jobs:
       ac_password: ${{ secrets.AC_PASSWORD }}
       gh_token: ${{ secrets.GITHUB_TOKEN }}
   build_and_push:
-    uses: jasongdove/ersatztv/.github/workflows/docker.yml@main
+    uses: ersatztv/ersatztv/.github/workflows/docker.yml@main
     needs: calculate_version
     with:
       base_version: develop

.github/workflows/docker.yml

@@ -24,65 +24,89 @@ jobs:
     name: Build & Publish
     runs-on: ubuntu-latest
     if: contains(github.event.head_commit.message, '[no build]') == false
+    strategy:
+      matrix:
+        include:
+          - name: base
+            path: ''
+            suffix: ''
+            qemu: false
+          - name: nvidia
+            path: 'nvidia/'
+            suffix: '-nvidia'
+            qemu: false
+          - name: vaapi
+            path: 'vaapi/'
+            suffix: '-vaapi'
+            qemu: false
+          - name: arm32v7
+            path: 'arm32v7/'
+            suffix: '-arm'
+            qemu: true
+          - name: arm64
+            path: 'arm64/'
+            suffix: '-arm64'
+            qemu: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
-      - name: Set up Docker Buildx Base
-        uses: docker/setup-buildx-action@v1
-        id: builder-base
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        if: ${{ matrix.qemu == true }}
 
-      - name: Set up Docker Buildx NVIDIA
-        uses: docker/setup-buildx-action@v1
-        id: builder-nvidia
-
-      - name: Set up Docker Buildx VAAPI
-        uses: docker/setup-buildx-action@v1
-        id: builder-vaapi
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        id: docker-buildx
 
       - name: Login to DockerHub
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.docker_hub_username }}
           password: ${{ secrets.docker_hub_access_token }}
 
-      - name: Build and push base
-        uses: docker/build-push-action@v2
+      - name: Build and push
+        uses: docker/build-push-action@v5
         with:
-          builder: ${{ steps.builder-base.outputs.name }}
+          builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
-          file: ./docker/Dockerfile
+          file: ./docker/${{ matrix.path }}Dockerfile
           push: true
           build-args: |
-            INFO_VERSION=${{ inputs.info_version }}-docker
+            INFO_VERSION=${{ inputs.info_version }}-docker${{ matrix.suffix }}
           tags: |
-            jasongdove/ersatztv:${{ inputs.base_version }}
-            jasongdove/ersatztv:${{ inputs.tag_version }}
+            jasongdove/ersatztv:${{ inputs.base_version }}${{ matrix.suffix }}
+            jasongdove/ersatztv:${{ inputs.tag_version }}${{ matrix.suffix }}
+        if: ${{ matrix.name != 'arm64' && matrix.name != 'arm32v7' }}
 
-      - name: Build and push nvidia
-        uses: docker/build-push-action@v2
+      - name: Build and push
+        uses: docker/build-push-action@v5
         with:
-          builder: ${{ steps.builder-nvidia.outputs.name }}
+          builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
-          file: ./docker/nvidia/Dockerfile
+          file: ./docker/${{ matrix.path }}Dockerfile
           push: true
+          platforms: 'linux/arm64'
           build-args: |
-            INFO_VERSION=${{ inputs.info_version }}-docker-nvidia
+            INFO_VERSION=${{ inputs.info_version }}-docker${{ matrix.suffix }}
           tags: |
-            jasongdove/ersatztv:${{ inputs.base_version }}-nvidia
-            jasongdove/ersatztv:${{ inputs.tag_version }}-nvidia
+            jasongdove/ersatztv:${{ inputs.base_version }}${{ matrix.suffix }}
+            jasongdove/ersatztv:${{ inputs.tag_version }}${{ matrix.suffix }}
+        if: ${{ matrix.name == 'arm64' }}
 
-      - name: Build and push vaapi
-        uses: docker/build-push-action@v2
+      - name: Build and push
+        uses: docker/build-push-action@v5
         with:
-          builder: ${{ steps.builder-vaapi.outputs.name }}
+          builder: ${{ steps.docker-buildx.outputs.name }}
           context: .
-          file: ./docker/vaapi/Dockerfile
+          file: ./docker/${{ matrix.path }}Dockerfile
           push: true
+          platforms: 'linux/arm/v7'
           build-args: |
-            INFO_VERSION=${{ inputs.info_version }}-docker-vaapi
+            INFO_VERSION=${{ inputs.info_version }}-docker${{ matrix.suffix }}
           tags: |
-            jasongdove/ersatztv:${{ inputs.base_version }}-vaapi
-            jasongdove/ersatztv:${{ inputs.tag_version }}-vaapi
+            jasongdove/ersatztv:${{ inputs.base_version }}${{ matrix.suffix }}
+            jasongdove/ersatztv:${{ inputs.tag_version }}${{ matrix.suffix }}
+        if: ${{ matrix.name == 'arm32v7' }}

.github/workflows/docs.yml

@@ -1,18 +0,0 @@
-name: Publish docs via GitHub Pages
-on:
-  push:
-    branches:
-      - main
-jobs:
-  build:
-    name: Deploy docs
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout master
-        uses: actions/checkout@v2
-
-      - name: Deploy docs
-        uses: mhausenblas/mkdocs-deploy-gh-pages@master
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          CUSTOM_DOMAIN: ersatztv.org

.github/workflows/issue-stale.yml

@@ -0,0 +1,27 @@
+name: 'Close stale issues'
+
+on:
+  schedule:
+    - cron: '30 1 * * *'
+  workflow_dispatch:
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v9
+        with:
+          ascending: true
+          days-before-stale: 120
+          days-before-pr-stale: -1
+          days-before-close: 21
+          days-before-pr-close: -1
+          operations-per-run: 500
+          exempt-issue-labels: 'regression,security,roadmap,future,feature,enhancement,confirmed'
+          stale-issue-label: 'stale'
+          stale-issue-message: |-
+            This issue has gone 120 days without an update and will be closed within 21 days if there is no new activity. To prevent this issue from being closed, please confirm the issue has not already been fixed by providing updated examples or logs.
+
+            If you have any questions you can use one of several ways to [contact us](https://ersatztv.org).
+          close-issue-message: |-
+            This issue was closed due to inactivity.

.github/workflows/pr.yml

@@ -2,20 +2,16 @@
 on:
   pull_request:
 jobs:
-  build_and_test:
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ windows-latest, ubuntu-latest, macos-latest ]
+  build_and_test_windows:
+    runs-on: windows-latest
     steps:
       - name: Get the sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup .NET Core
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 6.0.x
+          dotnet-version: 8.0.x
 
       - name: Clean
         run: dotnet clean --configuration Release && dotnet nuget locals all --clear
@@ -23,8 +19,69 @@ jobs:
       - name: Install dependencies
         run: dotnet restore
 
+      - name: Prep project file
+        run: sed -i '/Scanner/d' ErsatzTV/ErsatzTV.csproj
+
       - name: Build
         run: dotnet build --configuration Release --no-restore
 
       - name: Test
-        run: dotnet test --no-restore --verbosity normal
+        run: dotnet test --blame-hang-timeout "2m" --no-restore --verbosity normal
+
+      - name: Build Windows
+        run: |
+          cd ErsatzTV-Windows
+          cargo build --release --all-features
+  build_and_test_linux:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get the sources
+        uses: actions/checkout@v4
+
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Clean
+        run: dotnet clean --configuration Release && dotnet nuget locals all --clear
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      - name: Prep project file
+        run: sed -i '/Scanner/d' ErsatzTV/ErsatzTV.csproj
+
+      - name: Build
+        run: dotnet build --configuration Release --no-restore
+
+      - name: Test
+        run: dotnet test --blame-hang-timeout "2m" --no-restore --verbosity normal
+  build_and_test_mac:
+    runs-on: macos-11
+    steps:
+      - name: Get the sources
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: true
+
+      - name: Setup .NET Core
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Clean
+        run: dotnet clean --configuration Release && dotnet nuget locals all --clear
+
+      - name: Install dependencies
+        run: dotnet restore
+
+      - name: Prep project file
+        run: sed -i '' '/Scanner/d' ErsatzTV/ErsatzTV.csproj
+
+      - name: Build
+        run: dotnet build --configuration Release --no-restore
+
+      - name: Test
+        run: dotnet test --blame-hang-timeout "2m" --no-restore --verbosity normal

.github/workflows/release.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get the sources
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Extract Docker Tag
@@ -16,7 +16,7 @@ jobs:
         run: |
           tag=$(git describe --tags --abbrev=0)
           echo "GIT_TAG=${tag:1}" >> $GITHUB_ENV
-          echo "DOCKER_TAG=${tag/-alpha/}" >> $GITHUB_ENV
+          echo "DOCKER_TAG=${tag/-beta/}" >> $GITHUB_ENV
       - name: Extract Artifacts Version
         shell: bash
         run: |
@@ -29,7 +29,7 @@ jobs:
       artifacts_version: ${{ env.ARTIFACTS_VERSION }}
       info_version: ${{ env.INFO_VERSION }}
   build_and_upload:
-    uses: jasongdove/ersatztv/.github/workflows/artifacts.yml@main
+    uses: ersatztv/ersatztv/.github/workflows/artifacts.yml@main
     needs: calculate_version
     with:
       release_tag: ${{ needs.calculate_version.outputs.artifacts_version }}
@@ -42,7 +42,7 @@ jobs:
       ac_password: ${{ secrets.AC_PASSWORD }}
       gh_token: ${{ secrets.GITHUB_TOKEN }}
   build_and_push:
-    uses: jasongdove/ersatztv/.github/workflows/docker.yml@main
+    uses: ersatztv/ersatztv/.github/workflows/docker.yml@main
     needs: calculate_version
     with:
       base_version: latest

.gitignore

@@ -43,3 +43,4 @@ scripts/generate-api-sdk/swagger.json
 
 docker-compose.override.yml
 
+ErsatzTV/wwwroot/v2/

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "ErsatzTV-macOS"]
 	path = ErsatzTV-macOS
-	url = git@github.com:jasongdove/ErsatzTV-macOS.git
+	url = git@github.com:ErsatzTV/ErsatzTV-macOS.git

Directory.Build.props

@@ -1,5 +1,6 @@
 <Project>
     <PropertyGroup>
         <InformationalVersion>develop</InformationalVersion>
+        <IncludeSourceRevisionInInformationalVersion>false</IncludeSourceRevisionInInformationalVersion>
     </PropertyGroup>
 </Project>

ErsatzTV-Windows/.gitignore

@@ -0,0 +1,2 @@
+target/
+

ErsatzTV-Windows/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "ersatztv_windows"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+tray-item = { git = "https://github.com/olback/tray-item-rs" }
+special-folder = { git = "https://github.com/masinc/special-folder-rs" }
+process_path = "0.1.4"
+
+[dependencies.windows]
+version = "0.43.0"
+features = [
+    "Win32_System_Console",
+    "Win32_Foundation"
+]
+
+[build-dependencies]
+windres = "*"
+static_vcruntime = "2.0"

ErsatzTV-Windows/ErsatzTV-Windows.csproj

@@ -1,33 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <OutputType>WinExe</OutputType>
-        <TargetFramework>net6.0-windows</TargetFramework>
-        <RootNamespace>ErsatzTV_Windows</RootNamespace>
-        <Nullable>enable</Nullable>
-        <UseWindowsForms>true</UseWindowsForms>
-        <ImplicitUsings>enable</ImplicitUsings>
-        <ApplicationIcon>Ersatztv.ico</ApplicationIcon>
-    </PropertyGroup>
-
-    <ItemGroup>
-      <Content Include="Ersatztv.ico">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </Content>
-    </ItemGroup>
-
-    <ItemGroup>
-      <PackageReference Include="Asmichi.ChildProcess" Version="0.11.0" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <ProjectReference Include="..\ErsatzTV.Core\ErsatzTV.Core.csproj" />
-    </ItemGroup>
-
-    <ItemGroup>
-      <Compile Update="Program.cs">
-        <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-      </Compile>
-    </ItemGroup>
-
-</Project>

ErsatzTV-Windows/Program.cs

@@ -1,14 +0,0 @@
-namespace ErsatzTV_Windows;
-
-public static class Program
-{
-    /// <summary>
-    ///  The main entry point for the application.
-    /// </summary>
-    [STAThread]
-    public static void Main()
-    {
-        ApplicationConfiguration.Initialize();
-        Application.Run(new TrayApplicationContext());
-    }
-}

ErsatzTV-Windows/TrayApplicationContext.cs

@@ -1,77 +0,0 @@
-using ErsatzTV.Core;
-using System.Diagnostics;
-using Asmichi.ProcessManagement;
-using System.Reflection;
-
-namespace ErsatzTV_Windows;
-
-public class TrayApplicationContext : ApplicationContext
-{
-    private readonly NotifyIcon _trayIcon;
-    private readonly IChildProcess? _childProcess;
-
-    public TrayApplicationContext()
-    {
-        _trayIcon = new NotifyIcon
-        {
-            Icon = new Icon("./Ersatztv.ico"),
-            ContextMenuStrip = new ContextMenuStrip(),
-            Visible = true
-        };
-
-        AddMenuItem("Launch Web UI", LaunchWebUI);
-        AddMenuItem("Show Logs", ShowLogs);
-        _trayIcon.ContextMenuStrip.Items.Add(new ToolStripSeparator());
-        AddMenuItem("Exit", Exit);
-
-        string folder = AppContext.BaseDirectory;
-        string exe = Path.Combine(folder, "ErsatzTV.exe");
-
-        if (File.Exists(exe))
-        {
-            var si = new ChildProcessStartInfo(exe);
-            _childProcess = ChildProcess.Start(si);
-        }
-    }
-
-    private void AddMenuItem(string name, EventHandler action)
-    {
-        var item = new ToolStripMenuItem(name);
-        item.Click += action;
-        _trayIcon.ContextMenuStrip.Items.Add(item);
-    }
-
-    private void LaunchWebUI(object? sender, EventArgs e)
-    {
-        var process = new Process();
-        process.StartInfo.UseShellExecute = true;
-        process.StartInfo.FileName = "http://localhost:8409";
-        process.Start();
-    }
-
-    private void ShowLogs(object? sender, EventArgs e)
-    {
-        if (!Directory.Exists(FileSystemLayout.LogsFolder))
-        {
-            Directory.CreateDirectory(FileSystemLayout.LogsFolder);
-        }
-
-        var process = new Process();
-        process.StartInfo.UseShellExecute = true;
-        process.StartInfo.FileName = FileSystemLayout.LogsFolder;
-        process.Start();
-    }
-
-    protected override void Dispose(bool disposing)
-    {
-        _childProcess?.Dispose();
-        base.Dispose(disposing);
-    }
-
-    private void Exit(object? sender, EventArgs e)
-    {
-        // Hide tray icon, otherwise it will remain shown until user mouses over it
-        _trayIcon.Visible = false;
-        Application.Exit();
-    }
-}

ErsatzTV-Windows/build.rs

@@ -0,0 +1,6 @@
+use windres::Build;
+
+fn main() {
+    static_vcruntime::metabuild();
+    Build::new().compile("ersatztv_windows.rc").unwrap();
+}

ErsatzTV-Windows/ersatztv_windows.rc

@@ -0,0 +1,2 @@
+id ICON "ersatztv.ico"
+ersatztv-icon ICON "ersatztv.ico"

ErsatzTV-Windows/src/main.rs

@@ -0,0 +1,109 @@
+#![windows_subsystem = "windows"]
+
+use special_folder::SpecialFolder;
+use std::fs;
+use std::os::windows::process::CommandExt;
+use std::process::Child;
+use std::process::Command;
+use std::process::Stdio;
+use windows::Win32::System::Console;
+use {std::sync::mpsc, tray_item::TrayItem};
+
+const CREATE_NO_WINDOW: u32 = 0x08000000;
+
+enum Message {
+    Exit,
+}
+
+fn main() {
+    let mut tray = TrayItem::new("ErsatzTV", "ersatztv-icon").unwrap();
+
+    let (tx, rx) = mpsc::channel();
+
+    tray.add_menu_item("Launch Web UI", || {
+        let _ = Command::new("cmd")
+            .creation_flags(CREATE_NO_WINDOW)
+            .arg("/C")
+            .arg("start")
+            .arg("http://localhost:8409")
+            .stdin(Stdio::null())
+            .stdout(Stdio::null())
+            .stderr(Stdio::null())
+            .spawn();
+    })
+        .unwrap();
+
+    tray.add_menu_item("Show Logs", || {
+        let path = SpecialFolder::LocalApplicationData
+            .get()
+            .unwrap()
+            .join("ersatztv")
+            .join("logs");
+        match path.to_str() {
+            None => {}
+            Some(folder) => {
+                fs::create_dir_all(folder).unwrap();
+                let _ = Command::new("explorer.exe")
+                    .arg(folder)
+                    .stdin(Stdio::null())
+                    .stdout(Stdio::null())
+                    .stderr(Stdio::null())
+                    .spawn();
+            }
+        }
+    })
+        .unwrap();
+
+    tray.inner_mut().add_separator().unwrap();
+
+    tray.add_menu_item("Exit", move || {
+        tx.send(Message::Exit).unwrap();
+    })
+        .unwrap();
+
+    let path = process_path::get_executable_path();
+    let mut child: Option<Child> = None;
+    match path {
+        None => {}
+        Some(path) => {
+            let etv = path.parent().unwrap().join("ErsatzTV.exe");
+            if etv.exists() {
+                match etv.to_str() {
+                    None => {}
+                    Some(etv) => {
+                        child = Some(
+                            Command::new(etv)
+                                .creation_flags(CREATE_NO_WINDOW)
+                                .stdin(Stdio::null())
+                                .stdout(Stdio::null())
+                                .stderr(Stdio::null())
+                                .spawn()
+                                .unwrap(),
+                        );
+                    }
+                }
+            }
+        }
+    }
+
+    loop {
+        match rx.recv() {
+            Ok(Message::Exit) => {
+                match child {
+                    None => {}
+                    Some(mut child) => {
+                        unsafe {
+                            if Console::AttachConsole(child.id()) == true
+                            {
+                                Console::GenerateConsoleCtrlEvent(Console::CTRL_C_EVENT, 0);
+                            }
+                        }
+                        child.wait().unwrap();
+                    }
+                }
+                break;
+            }
+            _ => {}
+        }
+    }
+}

ErsatzTV.Application/.editorconfig

@@ -0,0 +1,5 @@
+[*.cs]
+# disable CA1711: Identifiers should not have incorrect suffix
+dotnet_diagnostic.ca1711.severity = none
+# disable CA1848: Use the LoggerMessage delegates
+dotnet_diagnostic.ca1848.severity = none

ErsatzTV.Application/Artists/ArtistViewModel.cs

@@ -1,16 +1,14 @@
-using System.Collections.Generic;
-using System.Globalization;
+using System.Globalization;
 
-namespace ErsatzTV.Application.Artists
-{
-    public record ArtistViewModel(
-        string Name,
-        string Disambiguation,
-        string Biography,
-        string Thumbnail,
-        string FanArt,
-        List<string> Genres,
-        List<string> Styles,
-        List<string> Moods,
-        List<CultureInfo> Languages);
-}
+namespace ErsatzTV.Application.Artists;
+
+public record ArtistViewModel(
+    string Name,
+    string Disambiguation,
+    string Biography,
+    string Thumbnail,
+    string FanArt,
+    List<string> Genres,
+    List<string> Styles,
+    List<string> Moods,
+    List<CultureInfo> Languages);

ErsatzTV.Application/Artists/Mapper.cs

@@ -1,46 +1,39 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
+using System.Globalization;
 using ErsatzTV.Core.Domain;
-using LanguageExt;
-using static LanguageExt.Prelude;
 
-namespace ErsatzTV.Application.Artists
+namespace ErsatzTV.Application.Artists;
+
+internal static class Mapper
 {
-    internal static class Mapper
+    internal static ArtistViewModel ProjectToViewModel(Artist artist, List<string> languages)
     {
-        internal static ArtistViewModel ProjectToViewModel(Artist artist, List<string> languages)
-        {
-            ArtistMetadata metadata = Optional(artist.ArtistMetadata).Flatten().Head();
-            return new ArtistViewModel(
-                metadata.Title,
-                metadata.Disambiguation,
-                metadata.Biography,
-                Artwork(metadata, ArtworkKind.Thumbnail),
-                Artwork(metadata, ArtworkKind.FanArt),
-                metadata.Genres.Map(g => g.Name).ToList(),
-                metadata.Styles.Map(s => s.Name).ToList(),
-                metadata.Moods.Map(m => m.Name).ToList(),
-                LanguagesForArtist(languages));
-        }
+        ArtistMetadata metadata = Optional(artist.ArtistMetadata).Flatten().Head();
+        return new ArtistViewModel(
+            metadata.Title,
+            metadata.Disambiguation,
+            metadata.Biography,
+            Artwork(metadata, ArtworkKind.Thumbnail),
+            Artwork(metadata, ArtworkKind.FanArt),
+            metadata.Genres.Map(g => g.Name).ToList(),
+            metadata.Styles.Map(s => s.Name).ToList(),
+            metadata.Moods.Map(m => m.Name).ToList(),
+            LanguagesForArtist(languages));
+    }
 
-        private static string Artwork(Metadata metadata, ArtworkKind artworkKind) =>
-            Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == artworkKind))
-                .Match(a => a.Path, string.Empty);
+    private static string Artwork(Metadata metadata, ArtworkKind artworkKind) =>
+        Optional(metadata.Artwork.FirstOrDefault(a => a.ArtworkKind == artworkKind))
+            .Match(a => a.Path, string.Empty);
 
-        private static List<CultureInfo> LanguagesForArtist(List<string> languages)
-        {
-            CultureInfo[] allCultures = CultureInfo.GetCultures(CultureTypes.NeutralCultures);
+    private static List<CultureInfo> LanguagesForArtist(List<string> languages)
+    {
+        CultureInfo[] allCultures = CultureInfo.GetCultures(CultureTypes.NeutralCultures);
 
-            return languages
-                .Distinct()
-                .Map(
-                    lang => allCultures.Filter(
-                        ci => string.Equals(ci.ThreeLetterISOLanguageName, lang, StringComparison.OrdinalIgnoreCase)))
-                .Sequence()
-                .Flatten()
-                .ToList();
-        }
+        return languages
+            .Map(
+                lang => allCultures.Filter(
+                    ci => string.Equals(ci.ThreeLetterISOLanguageName, lang, StringComparison.OrdinalIgnoreCase)))
+            .Flatten()
+            .Distinct()
+            .ToList();
     }
 }

ErsatzTV.Application/Artists/Queries/GetAllArtists.cs

@@ -1,8 +1,5 @@
-using System.Collections.Generic;
-using ErsatzTV.Application.MediaItems;
-using MediatR;
+using ErsatzTV.Application.MediaItems;
 
-namespace ErsatzTV.Application.Artists.Queries
-{
-    public record GetAllArtists : IRequest<List<NamedMediaItemViewModel>>;
-}
+namespace ErsatzTV.Application.Artists;
+
+public record GetAllArtists : IRequest<List<NamedMediaItemViewModel>>;

ErsatzTV.Application/Artists/Queries/GetAllArtistsHandler.cs

@@ -1,29 +1,41 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Application.MediaItems;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Application.MediaItems;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
 using static ErsatzTV.Application.MediaItems.Mapper;
 
-namespace ErsatzTV.Application.Artists.Queries
+namespace ErsatzTV.Application.Artists;
+
+public class GetAllArtistsHandler : IRequestHandler<GetAllArtists, List<NamedMediaItemViewModel>>
 {
-    public class GetAllArtistsHandler : IRequestHandler<GetAllArtists, List<NamedMediaItemViewModel>>
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+
+    public GetAllArtistsHandler(IDbContextFactory<TvContext> dbContextFactory) => _dbContextFactory = dbContextFactory;
+
+    public async Task<List<NamedMediaItemViewModel>> Handle(
+        GetAllArtists request,
+        CancellationToken cancellationToken)
     {
-        private readonly IArtistRepository _artistRepository;
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
 
-        public GetAllArtistsHandler(IArtistRepository artistRepository) => _artistRepository = artistRepository;
+        List<Artist> allArtists = await dbContext.Artists
+            .AsNoTracking()
+            .Include(a => a.ArtistMetadata)
+            .ToListAsync(cancellationToken);
 
-        public Task<List<NamedMediaItemViewModel>> Handle(
-            GetAllArtists request,
-            CancellationToken cancellationToken) =>
-            _artistRepository.GetAllArtists()
-                .Map(
-                    list => list.Filter(
-                        a => !string.IsNullOrWhiteSpace(
-                            a.ArtistMetadata.HeadOrNone().Match(am => am.Title, () => string.Empty))))
-                .Map(list => list.Map(ProjectToViewModel).ToList());
+        return allArtists.Bind(a => ProjectArtist(a)).ToList();
+    }
+
+    private static Option<NamedMediaItemViewModel> ProjectArtist(Artist a)
+    {
+        foreach (ArtistMetadata metadata in a.ArtistMetadata.HeadOrNone())
+        {
+            if (!string.IsNullOrWhiteSpace(metadata.Title))
+            {
+                return ProjectToViewModel(a);
+            }
+        }
+
+        return None;
     }
 }

ErsatzTV.Application/Artists/Queries/GetArtistById.cs

@@ -1,7 +1,3 @@
-using LanguageExt;
-using MediatR;
+namespace ErsatzTV.Application.Artists;
 
-namespace ErsatzTV.Application.Artists.Queries
-{
-    public record GetArtistById(int ArtistId) : IRequest<Option<ArtistViewModel>>;
-}
+public record GetArtistById(int ArtistId) : IRequest<Option<ArtistViewModel>>;

ErsatzTV.Application/Artists/Queries/GetArtistByIdHandler.cs

@@ -1,38 +1,32 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
 using static ErsatzTV.Application.Artists.Mapper;
 
-namespace ErsatzTV.Application.Artists.Queries
+namespace ErsatzTV.Application.Artists;
+
+public class GetArtistByIdHandler : IRequestHandler<GetArtistById, Option<ArtistViewModel>>
 {
-    public class GetArtistByIdHandler : IRequestHandler<GetArtistById, Option<ArtistViewModel>>
+    private readonly IArtistRepository _artistRepository;
+    private readonly ISearchRepository _searchRepository;
+
+    public GetArtistByIdHandler(IArtistRepository artistRepository, ISearchRepository searchRepository)
     {
-        private readonly IArtistRepository _artistRepository;
-        private readonly ISearchRepository _searchRepository;
+        _artistRepository = artistRepository;
+        _searchRepository = searchRepository;
+    }
 
-        public GetArtistByIdHandler(IArtistRepository artistRepository, ISearchRepository searchRepository)
-        {
-            _artistRepository = artistRepository;
-            _searchRepository = searchRepository;
-        }
-
-        public async Task<Option<ArtistViewModel>> Handle(
-            GetArtistById request,
-            CancellationToken cancellationToken)
-        {
-            Option<Artist> maybeArtist = await _artistRepository.GetArtist(request.ArtistId);
-            return await maybeArtist.Match<Task<Option<ArtistViewModel>>>(
-                async artist =>
-                {
-                    List<string> mediaCodes = await _searchRepository.GetLanguagesForArtist(artist);
-                    List<string> languageCodes = await _searchRepository.GetAllLanguageCodes(mediaCodes);
-                    return ProjectToViewModel(artist, languageCodes);
-                },
-                () => Task.FromResult(Option<ArtistViewModel>.None));
-        }
+    public async Task<Option<ArtistViewModel>> Handle(
+        GetArtistById request,
+        CancellationToken cancellationToken)
+    {
+        Option<Artist> maybeArtist = await _artistRepository.GetArtist(request.ArtistId);
+        return await maybeArtist.Match<Task<Option<ArtistViewModel>>>(
+            async artist =>
+            {
+                List<string> mediaCodes = await _searchRepository.GetLanguagesForArtist(artist);
+                List<string> languageCodes = await _searchRepository.GetAllLanguageCodes(mediaCodes);
+                return ProjectToViewModel(artist, languageCodes);
+            },
+            () => Task.FromResult(Option<ArtistViewModel>.None));
     }
 }

ErsatzTV.Application/Channels/ChannelViewModel.cs

@@ -1,16 +1,22 @@
 using ErsatzTV.Core.Domain;
 
-namespace ErsatzTV.Application.Channels
-{
-    public record ChannelViewModel(
-        int Id,
-        string Number,
-        string Name,
-        int FFmpegProfileId,
-        string Logo,
-        string PreferredLanguageCode,
-        StreamingMode StreamingMode,
-        int? WatermarkId,
-        int? FallbackFillerId,
-        int PlayoutCount);
-}
+namespace ErsatzTV.Application.Channels;
+
+public record ChannelViewModel(
+    int Id,
+    string Number,
+    string Name,
+    string Group,
+    string Categories,
+    int FFmpegProfileId,
+    string Logo,
+    string PreferredAudioLanguageCode,
+    string PreferredAudioTitle,
+    StreamingMode StreamingMode,
+    int? WatermarkId,
+    int? FallbackFillerId,
+    int PlayoutCount,
+    string PreferredSubtitleLanguageCode,
+    ChannelSubtitleMode SubtitleMode,
+    ChannelMusicVideoCreditsMode MusicVideoCreditsMode,
+    string MusicVideoCreditsTemplate);

ErsatzTV.Application/Channels/Commands/CreateChannel.cs

@@ -1,18 +1,21 @@
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Channels.Commands
-{
-    public record CreateChannel
-    (
-        string Name,
-        string Number,
-        int FFmpegProfileId,
-        string Logo,
-        string PreferredLanguageCode,
-        StreamingMode StreamingMode,
-        int? WatermarkId,
-        int? FallbackFillerId) : IRequest<Either<BaseError, CreateChannelResult>>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record CreateChannel(
+    string Name,
+    string Number,
+    string Group,
+    string Categories,
+    int FFmpegProfileId,
+    string Logo,
+    string PreferredAudioLanguageCode,
+    string PreferredAudioTitle,
+    StreamingMode StreamingMode,
+    int? WatermarkId,
+    int? FallbackFillerId,
+    string PreferredSubtitleLanguageCode,
+    ChannelSubtitleMode SubtitleMode,
+    ChannelMusicVideoCreditsMode MusicVideoCreditsMode,
+    string MusicVideoCreditsTemplate) : IRequest<Either<BaseError, CreateChannelResult>>;

ErsatzTV.Application/Channels/Commands/CreateChannelHandler.cs

@@ -1,162 +1,182 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
+using System.Globalization;
 using System.Text.RegularExpressions;
-using System.Threading;
-using System.Threading.Tasks;
+using System.Threading.Channels;
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Domain.Filler;
+using ErsatzTV.Core.Interfaces.Search;
 using ErsatzTV.Infrastructure.Data;
 using ErsatzTV.Infrastructure.Extensions;
-using LanguageExt;
-using MediatR;
 using Microsoft.EntityFrameworkCore;
-using static LanguageExt.Prelude;
+using Channel = ErsatzTV.Core.Domain.Channel;
 
-namespace ErsatzTV.Application.Channels.Commands
+namespace ErsatzTV.Application.Channels;
+
+public class CreateChannelHandler(
+    ChannelWriter<IBackgroundServiceRequest> workerChannel,
+    IDbContextFactory<TvContext> dbContextFactory,
+    ISearchTargets searchTargets)
+    : IRequestHandler<CreateChannel, Either<BaseError, CreateChannelResult>>
 {
-    public class CreateChannelHandler : IRequestHandler<CreateChannel, Either<BaseError, CreateChannelResult>>
+    public async Task<Either<BaseError, CreateChannelResult>> Handle(
+        CreateChannel request,
+        CancellationToken cancellationToken)
     {
-        private readonly IDbContextFactory<TvContext> _dbContextFactory;
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Channel> validation = await Validate(dbContext, request);
+        return await validation.Apply(c => PersistChannel(dbContext, c));
+    }
 
-        public CreateChannelHandler(IDbContextFactory<TvContext> dbContextFactory) => _dbContextFactory = dbContextFactory;
+    private async Task<CreateChannelResult> PersistChannel(TvContext dbContext, Channel channel)
+    {
+        await dbContext.Channels.AddAsync(channel);
+        await dbContext.SaveChangesAsync();
+        searchTargets.SearchTargetsChanged();
+        await workerChannel.WriteAsync(new RefreshChannelList());
+        return new CreateChannelResult(channel.Id);
+    }
 
-        public async Task<Either<BaseError, CreateChannelResult>> Handle(
-            CreateChannel request,
-            CancellationToken cancellationToken)
-        {
-            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
-            Validation<BaseError, Channel> validation = await Validate(dbContext, request);
-            return await validation.Apply(c => PersistChannel(dbContext, c));
-        }
-
-        private static async Task<CreateChannelResult> PersistChannel(TvContext dbContext, Channel channel)
-        {
-            await dbContext.Channels.AddAsync(channel);
-            await dbContext.SaveChangesAsync();
-            return new CreateChannelResult(channel.Id);
-        }
-
-        private static async Task<Validation<BaseError, Channel>> Validate(TvContext dbContext, CreateChannel request) =>
-            (ValidateName(request), await ValidateNumber(dbContext, request),
-                await FFmpegProfileMustExist(dbContext, request),
-                ValidatePreferredLanguage(request),
-                await WatermarkMustExist(dbContext, request),
-                await FillerPresetMustExist(dbContext, request))
-            .Apply(
-                (name, number, ffmpegProfileId, preferredLanguageCode, watermarkId, fillerPresetId) =>
-                {
-                    var artwork = new List<Artwork>();
-                    if (!string.IsNullOrWhiteSpace(request.Logo))
-                    {
-                        artwork.Add(
-                            new Artwork
-                            {
-                                Path = request.Logo,
-                                ArtworkKind = ArtworkKind.Logo,
-                                DateAdded = DateTime.UtcNow,
-                                DateUpdated = DateTime.UtcNow
-                            });
-                    }
-
-                    var channel = new Channel(Guid.NewGuid())
-                    {
-                        Name = name,
-                        Number = number,
-                        FFmpegProfileId = ffmpegProfileId,
-                        StreamingMode = request.StreamingMode,
-                        Artwork = artwork,
-                        PreferredLanguageCode = preferredLanguageCode
-                    };
-
-                    foreach (int id in watermarkId)
-                    {
-                        channel.WatermarkId = id;
-                    }
-
-                    foreach (int id in fillerPresetId)
-                    {
-                        channel.FallbackFillerId = id;
-                    }
-
-                    return channel;
-                });
-
-        private static Validation<BaseError, string> ValidateName(CreateChannel createChannel) =>
-            createChannel.NotEmpty(c => c.Name)
-                .Bind(_ => createChannel.NotLongerThan(50)(c => c.Name));
-
-        private static Validation<BaseError, string> ValidatePreferredLanguage(CreateChannel createChannel) =>
-            Optional(createChannel.PreferredLanguageCode ?? string.Empty)
-                .Filter(
-                    lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
-                        ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
-                .ToValidation<BaseError>("Preferred language code is invalid");
-
-        private static async Task<Validation<BaseError, string>> ValidateNumber(TvContext dbContext, CreateChannel createChannel)
-        {
-            Option<Channel> maybeExistingChannel = await dbContext.Channels
-                .SelectOneAsync(c => c.Number, c => c.Number == createChannel.Number);
-            return maybeExistingChannel.Match<Validation<BaseError, string>>(
-                _ => BaseError.New("Channel number must be unique"),
-                () =>
-                {
-                    if (Regex.IsMatch(createChannel.Number, Channel.NumberValidator))
-                    {
-                        return createChannel.Number;
-                    }
-
-                    return BaseError.New("Invalid channel number; one decimal is allowed for subchannels");
-                });
-        }
-
-        private static Task<Validation<BaseError, int>> FFmpegProfileMustExist(
-            TvContext dbContext,
-            CreateChannel createChannel) =>
-            dbContext.FFmpegProfiles
-                .CountAsync(p => p.Id == createChannel.FFmpegProfileId)
-                .Map(Optional)
-                .Filter(c => c > 0)
-                .MapT(_ => createChannel.FFmpegProfileId)
-                .Map(o => o.ToValidation<BaseError>($"FFmpegProfile {createChannel.FFmpegProfileId} does not exist."));
-
-        private static async Task<Validation<BaseError, Option<int>>> WatermarkMustExist(
-            TvContext dbContext,
-            CreateChannel createChannel)
-        {
-            if (createChannel.WatermarkId is null)
+    private static async Task<Validation<BaseError, Channel>> Validate(TvContext dbContext, CreateChannel request) =>
+        (ValidateName(request), await ValidateNumber(dbContext, request),
+            await FFmpegProfileMustExist(dbContext, request),
+            ValidatePreferredAudioLanguage(request),
+            ValidatePreferredSubtitleLanguage(request),
+            await WatermarkMustExist(dbContext, request),
+            await FillerPresetMustExist(dbContext, request))
+        .Apply(
+            (
+                name,
+                number,
+                ffmpegProfileId,
+                preferredAudioLanguageCode,
+                preferredSubtitleLanguageCode,
+                watermarkId,
+                fillerPresetId) =>
             {
-                return Option<int>.None;
-            }
+                var artwork = new List<Artwork>();
+                if (!string.IsNullOrWhiteSpace(request.Logo))
+                {
+                    artwork.Add(
+                        new Artwork
+                        {
+                            Path = request.Logo,
+                            ArtworkKind = ArtworkKind.Logo,
+                            DateAdded = DateTime.UtcNow,
+                            DateUpdated = DateTime.UtcNow
+                        });
+                }
 
-            return await dbContext.ChannelWatermarks
-                .CountAsync(w => w.Id == createChannel.WatermarkId)
-                .Map(Optional)
-                .Filter(c => c > 0)
-                .MapT(_ => Optional(createChannel.WatermarkId))
-                .Map(o => o.ToValidation<BaseError>($"Watermark {createChannel.WatermarkId} does not exist."));
-        }
+                var channel = new Channel(Guid.NewGuid())
+                {
+                    Name = name,
+                    Number = number,
+                    Group = request.Group,
+                    Categories = request.Categories,
+                    FFmpegProfileId = ffmpegProfileId,
+                    StreamingMode = request.StreamingMode,
+                    Artwork = artwork,
+                    PreferredAudioLanguageCode = preferredAudioLanguageCode,
+                    PreferredAudioTitle = request.PreferredAudioTitle,
+                    PreferredSubtitleLanguageCode = preferredSubtitleLanguageCode,
+                    SubtitleMode = request.SubtitleMode,
+                    MusicVideoCreditsMode = request.MusicVideoCreditsMode,
+                    MusicVideoCreditsTemplate = request.MusicVideoCreditsTemplate
+                };
 
-        private static async Task<Validation<BaseError, Option<int>>> FillerPresetMustExist(
-            TvContext dbContext,
-            CreateChannel createChannel)
-        {
-            if (createChannel.FallbackFillerId is null)
+                foreach (int id in watermarkId)
+                {
+                    channel.WatermarkId = id;
+                }
+
+                foreach (int id in fillerPresetId)
+                {
+                    channel.FallbackFillerId = id;
+                }
+
+                return channel;
+            });
+
+    private static Validation<BaseError, string> ValidateName(CreateChannel createChannel) =>
+        createChannel.NotEmpty(c => c.Name)
+            .Bind(_ => createChannel.NotLongerThan(50)(c => c.Name));
+
+    private static Validation<BaseError, string> ValidatePreferredAudioLanguage(CreateChannel createChannel) =>
+        Optional(createChannel.PreferredAudioLanguageCode ?? string.Empty)
+            .Filter(
+                lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
+                    ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
+            .ToValidation<BaseError>("Preferred audio language code is invalid");
+
+    private static Validation<BaseError, string> ValidatePreferredSubtitleLanguage(CreateChannel createChannel) =>
+        Optional(createChannel.PreferredSubtitleLanguageCode ?? string.Empty)
+            .Filter(
+                lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
+                    ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
+            .ToValidation<BaseError>("Preferred subtitle language code is invalid");
+
+    private static async Task<Validation<BaseError, string>> ValidateNumber(
+        TvContext dbContext,
+        CreateChannel createChannel)
+    {
+        Option<Channel> maybeExistingChannel = await dbContext.Channels
+            .SelectOneAsync(c => c.Number, c => c.Number == createChannel.Number);
+        return maybeExistingChannel.Match<Validation<BaseError, string>>(
+            _ => BaseError.New("Channel number must be unique"),
+            () =>
             {
-                return Option<int>.None;
-            }
+                if (Regex.IsMatch(createChannel.Number, Channel.NumberValidator))
+                {
+                    return createChannel.Number;
+                }
 
-            return await dbContext.FillerPresets
-                .Filter(fp => fp.FillerKind == FillerKind.Fallback)
-                .CountAsync(w => w.Id == createChannel.FallbackFillerId)
-                .Map(Optional)
-                .Filter(c => c > 0)
-                .MapT(_ => Optional(createChannel.FallbackFillerId))
-                .Map(
-                    o => o.ToValidation<BaseError>(
-                        $"Fallback filler {createChannel.FallbackFillerId} does not exist."));
+                return BaseError.New("Invalid channel number; two decimals are allowed for subchannels");
+            });
+    }
+
+    private static Task<Validation<BaseError, int>> FFmpegProfileMustExist(
+        TvContext dbContext,
+        CreateChannel createChannel) =>
+        dbContext.FFmpegProfiles
+            .CountAsync(p => p.Id == createChannel.FFmpegProfileId)
+            .Map(Optional)
+            .Filter(c => c > 0)
+            .MapT(_ => createChannel.FFmpegProfileId)
+            .Map(o => o.ToValidation<BaseError>($"FFmpegProfile {createChannel.FFmpegProfileId} does not exist."));
+
+    private static async Task<Validation<BaseError, Option<int>>> WatermarkMustExist(
+        TvContext dbContext,
+        CreateChannel createChannel)
+    {
+        if (createChannel.WatermarkId is null)
+        {
+            return Option<int>.None;
         }
+
+        return await dbContext.ChannelWatermarks
+            .CountAsync(w => w.Id == createChannel.WatermarkId)
+            .Map(Optional)
+            .Filter(c => c > 0)
+            .MapT(_ => Optional(createChannel.WatermarkId))
+            .Map(o => o.ToValidation<BaseError>($"Watermark {createChannel.WatermarkId} does not exist."));
+    }
+
+    private static async Task<Validation<BaseError, Option<int>>> FillerPresetMustExist(
+        TvContext dbContext,
+        CreateChannel createChannel)
+    {
+        if (createChannel.FallbackFillerId is null)
+        {
+            return Option<int>.None;
+        }
+
+        return await dbContext.FillerPresets
+            .Filter(fp => fp.FillerKind == FillerKind.Fallback)
+            .CountAsync(w => w.Id == createChannel.FallbackFillerId)
+            .Map(Optional)
+            .Filter(c => c > 0)
+            .MapT(_ => Optional(createChannel.FallbackFillerId))
+            .Map(
+                o => o.ToValidation<BaseError>(
+                    $"Fallback filler {createChannel.FallbackFillerId} does not exist."));
     }
 }

ErsatzTV.Application/Channels/Commands/CreateChannelResult.cs

@@ -1,4 +1,3 @@
-namespace ErsatzTV.Application.Channels.Commands
-{
-    public record CreateChannelResult(int ChannelId) : EntityIdResult(ChannelId);
-}
+namespace ErsatzTV.Application.Channels;
+
+public record CreateChannelResult(int ChannelId) : EntityIdResult(ChannelId);

ErsatzTV.Application/Channels/Commands/DeleteChannel.cs

@@ -1,9 +1,5 @@
-using System.Threading.Tasks;
-using ErsatzTV.Core;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Core;
 
-namespace ErsatzTV.Application.Channels.Commands
-{
-    public record DeleteChannel(int ChannelId) : IRequest<Either<BaseError, Task>>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record DeleteChannel(int ChannelId) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Channels/Commands/DeleteChannelHandler.cs

@@ -1,28 +1,66 @@
-using System.Threading;
-using System.Threading.Tasks;
+using System.Threading.Channels;
 using ErsatzTV.Core;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.Core.Interfaces.Search;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+using Channel = ErsatzTV.Core.Domain.Channel;
 
-namespace ErsatzTV.Application.Channels.Commands
+namespace ErsatzTV.Application.Channels;
+
+public class DeleteChannelHandler : IRequestHandler<DeleteChannel, Either<BaseError, Unit>>
 {
-    public class DeleteChannelHandler : IRequestHandler<DeleteChannel, Either<BaseError, Task>>
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+    private readonly ILocalFileSystem _localFileSystem;
+    private readonly ISearchTargets _searchTargets;
+    private readonly ChannelWriter<IBackgroundServiceRequest> _workerChannel;
+
+    public DeleteChannelHandler(
+        ChannelWriter<IBackgroundServiceRequest> workerChannel,
+        IDbContextFactory<TvContext> dbContextFactory,
+        ILocalFileSystem localFileSystem,
+        ISearchTargets searchTargets)
     {
-        private readonly IChannelRepository _channelRepository;
+        _workerChannel = workerChannel;
+        _dbContextFactory = dbContextFactory;
+        _localFileSystem = localFileSystem;
+        _searchTargets = searchTargets;
+    }
 
-        public DeleteChannelHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+    public async Task<Either<BaseError, Unit>> Handle(DeleteChannel request, CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Channel> validation = await ChannelMustExist(dbContext, request);
+        return await validation.Apply(c => DoDeletion(dbContext, c, cancellationToken));
+    }
 
-        public async Task<Either<BaseError, Task>> Handle(DeleteChannel request, CancellationToken cancellationToken) =>
-            (await ChannelMustExist(request))
-            .Map(DoDeletion)
-            .ToEither<Task>();
+    private async Task<Unit> DoDeletion(TvContext dbContext, Channel channel, CancellationToken cancellationToken)
+    {
+        dbContext.Channels.Remove(channel);
+        await dbContext.SaveChangesAsync(cancellationToken);
 
-        private Task DoDeletion(int channelId) => _channelRepository.Delete(channelId);
+        _searchTargets.SearchTargetsChanged();
 
-        private async Task<Validation<BaseError, int>> ChannelMustExist(DeleteChannel deleteChannel) =>
-            (await _channelRepository.Get(deleteChannel.ChannelId))
-            .ToValidation<BaseError>($"Channel {deleteChannel.ChannelId} does not exist.")
-            .Map(c => c.Id);
+        // delete channel data from channel guide cache
+        string cacheFile = Path.Combine(FileSystemLayout.ChannelGuideCacheFolder, $"{channel.Number}.xml");
+        if (_localFileSystem.FileExists(cacheFile))
+        {
+            File.Delete(cacheFile);
+        }
+
+        // refresh channel list to remove channel that has no playout
+        await _workerChannel.WriteAsync(new RefreshChannelList(), cancellationToken);
+
+        return Unit.Default;
+    }
+
+    private static async Task<Validation<BaseError, Channel>> ChannelMustExist(
+        TvContext dbContext,
+        DeleteChannel deleteChannel)
+    {
+        Option<Channel> maybeChannel = await dbContext.Channels
+            .SelectOneAsync(c => c.Id, c => c.Id == deleteChannel.ChannelId);
+        return maybeChannel.ToValidation<BaseError>($"Channel {deleteChannel.ChannelId} does not exist.");
     }
 }

ErsatzTV.Application/Channels/Commands/RefreshChannelData.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record RefreshChannelData(string ChannelNumber) : IRequest, IBackgroundServiceRequest;

ErsatzTV.Application/Channels/Commands/RefreshChannelList.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record RefreshChannelList : IRequest, IBackgroundServiceRequest;

ErsatzTV.Application/Channels/Commands/RefreshChannelListHandler.cs

@@ -0,0 +1,142 @@
+using System.Data.Common;
+using System.Xml;
+using Dapper;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Interfaces.Metadata;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+using Microsoft.IO;
+using Scriban;
+using Scriban.Runtime;
+using WebMarkupMin.Core;
+
+namespace ErsatzTV.Application.Channels;
+
+public class RefreshChannelListHandler : IRequestHandler<RefreshChannelList>
+{
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+    private readonly ILocalFileSystem _localFileSystem;
+    private readonly ILogger<RefreshChannelListHandler> _logger;
+    private readonly RecyclableMemoryStreamManager _recyclableMemoryStreamManager;
+
+    public RefreshChannelListHandler(
+        RecyclableMemoryStreamManager recyclableMemoryStreamManager,
+        IDbContextFactory<TvContext> dbContextFactory,
+        ILocalFileSystem localFileSystem,
+        ILogger<RefreshChannelListHandler> logger)
+    {
+        _recyclableMemoryStreamManager = recyclableMemoryStreamManager;
+        _dbContextFactory = dbContextFactory;
+        _localFileSystem = localFileSystem;
+        _logger = logger;
+    }
+
+    public async Task Handle(RefreshChannelList request, CancellationToken cancellationToken)
+    {
+        _localFileSystem.EnsureFolderExists(FileSystemLayout.ChannelGuideCacheFolder);
+
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
+
+        string templateFileName = Path.Combine(FileSystemLayout.ChannelGuideTemplatesFolder, "channel.sbntxt");
+
+        // fall back to default template
+        if (!_localFileSystem.FileExists(templateFileName))
+        {
+            templateFileName = Path.Combine(FileSystemLayout.ChannelGuideTemplatesFolder, "_channel.sbntxt");
+        }
+
+        // fail if file doesn't exist
+        if (!_localFileSystem.FileExists(templateFileName))
+        {
+            _logger.LogError(
+                "Unable to generate channel list without template file {File}; please restart ErsatzTV",
+                templateFileName);
+
+            return;
+        }
+
+        var minifier = new XmlMinifier(
+            new XmlMinificationSettings
+            {
+                MinifyWhitespace = true,
+                RemoveXmlComments = true,
+                CollapseTagsWithoutContent = true
+            });
+
+        string text = await File.ReadAllTextAsync(templateFileName, cancellationToken);
+        var template = Template.Parse(text, templateFileName);
+        var templateContext = new XmlTemplateContext();
+
+        await using RecyclableMemoryStream ms = _recyclableMemoryStreamManager.GetStream();
+        await using var xml = XmlWriter.Create(
+            ms,
+            new XmlWriterSettings { Async = true, ConformanceLevel = ConformanceLevel.Fragment });
+
+        await foreach (ChannelResult channel in GetChannels(dbContext).WithCancellation(cancellationToken))
+        {
+            var data = new
+            {
+                ChannelNumber = channel.Number,
+                ChannelName = channel.Name,
+                ChannelCategories = GetCategories(channel.Categories),
+                ChannelHasArtwork = !string.IsNullOrWhiteSpace(channel.ArtworkPath),
+                ChannelArtworkPath = channel.ArtworkPath
+            };
+
+            var scriptObject = new ScriptObject();
+            scriptObject.Import(data);
+            templateContext.PushGlobal(scriptObject);
+
+            string result = await template.RenderAsync(templateContext);
+
+            MarkupMinificationResult minified = minifier.Minify(result);
+            await xml.WriteRawAsync(minified.MinifiedContent);
+        }
+
+        await xml.FlushAsync();
+
+        string tempFile = Path.GetTempFileName();
+        await File.WriteAllBytesAsync(tempFile, ms.ToArray(), cancellationToken);
+
+        string targetFile = Path.Combine(FileSystemLayout.ChannelGuideCacheFolder, "channels.xml");
+        File.Move(tempFile, targetFile, true);
+    }
+
+    private static async IAsyncEnumerable<ChannelResult> GetChannels(TvContext dbContext)
+    {
+        const string QUERY = @"select C.Number, C.Name, C.Categories, A.Path as ArtworkPath
+                               from Channel C
+                               left outer join Artwork A on C.Id = A.ChannelId and A.ArtworkKind = 2
+                               where C.Id in (select ChannelId from Playout)
+                               order by CAST(C.Number as double)";
+        // TODO: this needs to be fixed for sqlite/mariadb
+
+        await using var reader = (DbDataReader)await dbContext.Connection.ExecuteReaderAsync(QUERY);
+        Func<DbDataReader, ChannelResult> rowParser = reader.GetRowParser<ChannelResult>();
+
+        while (await reader.ReadAsync())
+        {
+            yield return rowParser(reader);
+        }
+
+        while (await reader.NextResultAsync())
+        {
+        }
+    }
+
+    private static List<string> GetCategories(string categories) =>
+        (categories ?? string.Empty).Split(',')
+        .Map(s => s.Trim())
+        .Filter(s => !string.IsNullOrWhiteSpace(s))
+        .Distinct()
+        .ToList();
+
+    private static string GetIconUrl(ChannelResult channel) =>
+        string.IsNullOrWhiteSpace(channel.ArtworkPath)
+            ? "{RequestBase}/iptv/images/ersatztv-500.png{AccessTokenUri}"
+            : $"{{RequestBase}}/iptv/logos/{channel.ArtworkPath}.jpg{{AccessTokenUri}}";
+
+    // ReSharper disable once ClassNeverInstantiated.Local
+    private sealed record ChannelResult(string Number, string Name, string Categories, string ArtworkPath);
+}

ErsatzTV.Application/Channels/Commands/UpdateChannel.cs

@@ -1,19 +1,22 @@
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Channels.Commands
-{
-    public record UpdateChannel
-    (
-        int ChannelId,
-        string Name,
-        string Number,
-        int FFmpegProfileId,
-        string Logo,
-        string PreferredLanguageCode,
-        StreamingMode StreamingMode,
-        int? WatermarkId,
-        int? FallbackFillerId) : IRequest<Either<BaseError, ChannelViewModel>>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record UpdateChannel(
+    int ChannelId,
+    string Name,
+    string Number,
+    string Group,
+    string Categories,
+    int FFmpegProfileId,
+    string Logo,
+    string PreferredAudioLanguageCode,
+    string PreferredAudioTitle,
+    StreamingMode StreamingMode,
+    int? WatermarkId,
+    int? FallbackFillerId,
+    string PreferredSubtitleLanguageCode,
+    ChannelSubtitleMode SubtitleMode,
+    ChannelMusicVideoCreditsMode MusicVideoCreditsMode,
+    string MusicVideoCreditsTemplate) : IRequest<Either<BaseError, ChannelViewModel>>;

ErsatzTV.Application/Channels/Commands/UpdateChannelHandler.cs

@@ -1,122 +1,139 @@
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
+using System.Globalization;
 using System.Text.RegularExpressions;
-using System.Threading;
-using System.Threading.Tasks;
+using System.Threading.Channels;
+using ErsatzTV.Application.Subtitles;
 using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Search;
 using ErsatzTV.Infrastructure.Data;
 using ErsatzTV.Infrastructure.Extensions;
-using LanguageExt;
-using MediatR;
 using Microsoft.EntityFrameworkCore;
 using static ErsatzTV.Application.Channels.Mapper;
-using static LanguageExt.Prelude;
+using Channel = ErsatzTV.Core.Domain.Channel;
 
-namespace ErsatzTV.Application.Channels.Commands
+namespace ErsatzTV.Application.Channels;
+
+public class UpdateChannelHandler(
+    ChannelWriter<IBackgroundServiceRequest> workerChannel,
+    IDbContextFactory<TvContext> dbContextFactory,
+    ISearchTargets searchTargets)
+    : IRequestHandler<UpdateChannel, Either<BaseError, ChannelViewModel>>
 {
-    public class UpdateChannelHandler : IRequestHandler<UpdateChannel, Either<BaseError, ChannelViewModel>>
+    public async Task<Either<BaseError, ChannelViewModel>> Handle(
+        UpdateChannel request,
+        CancellationToken cancellationToken)
     {
-        private readonly IDbContextFactory<TvContext> _dbContextFactory;
-
-        public UpdateChannelHandler(IDbContextFactory<TvContext> dbContextFactory) =>
-            _dbContextFactory = dbContextFactory;
-
-        public async Task<Either<BaseError, ChannelViewModel>> Handle(
-            UpdateChannel request,
-            CancellationToken cancellationToken)
-        {
-            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
-            Validation<BaseError, Channel> validation = await Validate(dbContext, request);
-            return await validation.Apply(c => ApplyUpdateRequest(dbContext, c, request));
-        }
-
-        private async Task<ChannelViewModel> ApplyUpdateRequest(TvContext dbContext, Channel c, UpdateChannel update)
-        {
-            c.Name = update.Name;
-            c.Number = update.Number;
-            c.FFmpegProfileId = update.FFmpegProfileId;
-            c.PreferredLanguageCode = update.PreferredLanguageCode;
-            c.Artwork ??= new List<Artwork>();
-
-            if (!string.IsNullOrWhiteSpace(update.Logo))
-            {
-                Option<Artwork> maybeLogo =
-                    Optional(c.Artwork).Flatten().FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Logo);
-
-                maybeLogo.Match(
-                    artwork =>
-                    {
-                        artwork.Path = update.Logo;
-                        artwork.DateUpdated = DateTime.UtcNow;
-                    },
-                    () =>
-                    {
-                        var artwork = new Artwork
-                        {
-                            Path = update.Logo,
-                            DateAdded = DateTime.UtcNow,
-                            DateUpdated = DateTime.UtcNow,
-                            ArtworkKind = ArtworkKind.Logo
-                        };
-                        c.Artwork.Add(artwork);
-                    });
-            }
-            
-            c.StreamingMode = update.StreamingMode;
-            c.WatermarkId = update.WatermarkId;
-            c.FallbackFillerId = update.FallbackFillerId;
-            await dbContext.SaveChangesAsync();
-            return ProjectToViewModel(c);
-        }
-
-        private async Task<Validation<BaseError, Channel>> Validate(TvContext dbContext, UpdateChannel request) =>
-            (await ChannelMustExist(dbContext, request), ValidateName(request),
-                await ValidateNumber(dbContext, request),
-                ValidatePreferredLanguage(request))
-            .Apply((channelToUpdate, _, _, _) => channelToUpdate);
-
-        private static Task<Validation<BaseError, Channel>> ChannelMustExist(
-            TvContext dbContext,
-            UpdateChannel updateChannel) =>
-            dbContext.Channels
-                .Include(c => c.Artwork)
-                .Include(c => c.Watermark)
-                .SelectOneAsync(c => c.Id, c => c.Id == updateChannel.ChannelId)
-                .Map(o => o.ToValidation<BaseError>("Channel does not exist."));
-
-        private static Validation<BaseError, string> ValidateName(UpdateChannel updateChannel) =>
-            updateChannel.NotEmpty(c => c.Name)
-                .Bind(_ => updateChannel.NotLongerThan(50)(c => c.Name));
-
-        private static async Task<Validation<BaseError, string>> ValidateNumber(
-            TvContext dbContext,
-            UpdateChannel updateChannel)
-        {
-            int matchId = await dbContext.Channels
-                .SelectOneAsync(c => c.Number, c => c.Number == updateChannel.Number)
-                .Match(c => c.Id, () => updateChannel.ChannelId);
-
-            if (matchId == updateChannel.ChannelId)
-            {
-                if (Regex.IsMatch(updateChannel.Number, Channel.NumberValidator))
-                {
-                    return updateChannel.Number;
-                }
-
-                return BaseError.New("Invalid channel number; one decimal is allowed for subchannels");
-            }
-
-            return BaseError.New("Channel number must be unique");
-        }
-
-        private static Validation<BaseError, string> ValidatePreferredLanguage(UpdateChannel updateChannel) =>
-            Optional(updateChannel.PreferredLanguageCode ?? string.Empty)
-                .Filter(
-                    lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
-                        ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
-                .ToValidation<BaseError>("Preferred language code is invalid");
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Channel> validation = await Validate(dbContext, request);
+        return await validation.Apply(c => ApplyUpdateRequest(dbContext, c, request));
     }
+
+    private async Task<ChannelViewModel> ApplyUpdateRequest(TvContext dbContext, Channel c, UpdateChannel update)
+    {
+        c.Name = update.Name;
+        c.Number = update.Number;
+        c.Group = update.Group;
+        c.Categories = update.Categories;
+        c.FFmpegProfileId = update.FFmpegProfileId;
+        c.PreferredAudioLanguageCode = update.PreferredAudioLanguageCode;
+        c.PreferredAudioTitle = update.PreferredAudioTitle;
+        c.PreferredSubtitleLanguageCode = update.PreferredSubtitleLanguageCode;
+        c.SubtitleMode = update.SubtitleMode;
+        c.MusicVideoCreditsMode = update.MusicVideoCreditsMode;
+        c.MusicVideoCreditsTemplate = update.MusicVideoCreditsTemplate;
+        c.Artwork ??= new List<Artwork>();
+
+        if (!string.IsNullOrWhiteSpace(update.Logo))
+        {
+            Option<Artwork> maybeLogo =
+                Optional(c.Artwork).Flatten().FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Logo);
+
+            maybeLogo.Match(
+                artwork =>
+                {
+                    artwork.Path = update.Logo;
+                    artwork.DateUpdated = DateTime.UtcNow;
+                },
+                () =>
+                {
+                    var artwork = new Artwork
+                    {
+                        Path = update.Logo,
+                        DateAdded = DateTime.UtcNow,
+                        DateUpdated = DateTime.UtcNow,
+                        ArtworkKind = ArtworkKind.Logo
+                    };
+                    c.Artwork.Add(artwork);
+                });
+        }
+
+        c.StreamingMode = update.StreamingMode;
+        c.WatermarkId = update.WatermarkId;
+        c.FallbackFillerId = update.FallbackFillerId;
+        await dbContext.SaveChangesAsync();
+
+        searchTargets.SearchTargetsChanged();
+
+        if (c.SubtitleMode != ChannelSubtitleMode.None)
+        {
+            Option<Playout> maybePlayout = await dbContext.Playouts
+                .SelectOneAsync(p => p.ChannelId, p => p.ChannelId == c.Id);
+
+            foreach (Playout playout in maybePlayout)
+            {
+                await workerChannel.WriteAsync(new ExtractEmbeddedSubtitles(playout.Id));
+            }
+        }
+
+        await workerChannel.WriteAsync(new RefreshChannelList());
+
+        return ProjectToViewModel(c);
+    }
+
+    private static async Task<Validation<BaseError, Channel>> Validate(TvContext dbContext, UpdateChannel request) =>
+        (await ChannelMustExist(dbContext, request), ValidateName(request),
+            await ValidateNumber(dbContext, request),
+            ValidatePreferredAudioLanguage(request))
+        .Apply((channelToUpdate, _, _, _) => channelToUpdate);
+
+    private static Task<Validation<BaseError, Channel>> ChannelMustExist(
+        TvContext dbContext,
+        UpdateChannel updateChannel) =>
+        dbContext.Channels
+            .Include(c => c.Artwork)
+            .Include(c => c.Watermark)
+            .SelectOneAsync(c => c.Id, c => c.Id == updateChannel.ChannelId)
+            .Map(o => o.ToValidation<BaseError>("Channel does not exist."));
+
+    private static Validation<BaseError, string> ValidateName(UpdateChannel updateChannel) =>
+        updateChannel.NotEmpty(c => c.Name)
+            .Bind(_ => updateChannel.NotLongerThan(50)(c => c.Name));
+
+    private static async Task<Validation<BaseError, string>> ValidateNumber(
+        TvContext dbContext,
+        UpdateChannel updateChannel)
+    {
+        int matchId = await dbContext.Channels
+            .SelectOneAsync(c => c.Number, c => c.Number == updateChannel.Number)
+            .Match(c => c.Id, () => updateChannel.ChannelId);
+
+        if (matchId == updateChannel.ChannelId)
+        {
+            if (Regex.IsMatch(updateChannel.Number, Channel.NumberValidator))
+            {
+                return updateChannel.Number;
+            }
+
+            return BaseError.New("Invalid channel number; two decimals are allowed for subchannels");
+        }
+
+        return BaseError.New("Channel number must be unique");
+    }
+
+    private static Validation<BaseError, string> ValidatePreferredAudioLanguage(UpdateChannel updateChannel) =>
+        Optional(updateChannel.PreferredAudioLanguageCode ?? string.Empty)
+            .Filter(
+                lc => string.IsNullOrWhiteSpace(lc) || CultureInfo.GetCultures(CultureTypes.NeutralCultures).Any(
+                    ci => string.Equals(ci.ThreeLetterISOLanguageName, lc, StringComparison.OrdinalIgnoreCase)))
+            .ToValidation<BaseError>("Preferred audio language code is invalid");
 }

ErsatzTV.Application/Channels/Mapper.cs

@@ -1,30 +1,54 @@
-using System.Linq;
+using ErsatzTV.Core.Api.Channels;
 using ErsatzTV.Core.Domain;
-using static LanguageExt.Prelude;
 
-namespace ErsatzTV.Application.Channels
+namespace ErsatzTV.Application.Channels;
+
+internal static class Mapper
 {
-    internal static class Mapper
-    {
-        internal static ChannelViewModel ProjectToViewModel(Channel channel) =>
-            new(
-                channel.Id,
-                channel.Number,
-                channel.Name,
-                channel.FFmpegProfileId,
-                GetLogo(channel),
-                channel.PreferredLanguageCode,
-                channel.StreamingMode,
-                channel.WatermarkId,
-                channel.FallbackFillerId,
-                channel.Playouts?.Count ?? 0);
+    internal static ChannelViewModel ProjectToViewModel(Channel channel) =>
+        new(
+            channel.Id,
+            channel.Number,
+            channel.Name,
+            channel.Group,
+            channel.Categories,
+            channel.FFmpegProfileId,
+            GetLogo(channel),
+            channel.PreferredAudioLanguageCode,
+            channel.PreferredAudioTitle,
+            channel.StreamingMode,
+            channel.WatermarkId,
+            channel.FallbackFillerId,
+            channel.Playouts?.Count ?? 0,
+            channel.PreferredSubtitleLanguageCode,
+            channel.SubtitleMode,
+            channel.MusicVideoCreditsMode,
+            channel.MusicVideoCreditsTemplate);
 
-        private static string GetLogo(Channel channel) =>
-            Optional(channel.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Logo))
-                .Match(a => a.Path, string.Empty);
+    internal static ChannelResponseModel ProjectToResponseModel(Channel channel) =>
+        new(
+            channel.Id,
+            channel.Number,
+            channel.Name,
+            channel.FFmpegProfile.Name,
+            channel.PreferredAudioLanguageCode,
+            GetStreamingMode(channel));
 
-        private static string GetWatermark(Channel channel) =>
-            Optional(channel.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Watermark))
-                .Match(a => a.Path, string.Empty);
-    }
+    internal static ResolutionViewModel ProjectToViewModel(Resolution resolution) =>
+        new(resolution.Height, resolution.Width);
+
+    private static string GetLogo(Channel channel) =>
+        Optional(channel.Artwork.FirstOrDefault(a => a.ArtworkKind == ArtworkKind.Logo))
+            .Match(a => a.Path, string.Empty);
+
+    private static string GetStreamingMode(Channel channel) =>
+        channel.StreamingMode switch
+        {
+            StreamingMode.TransportStream => "MPEG-TS (Legacy)",
+            StreamingMode.TransportStreamHybrid => "MPEG-TS",
+            StreamingMode.HttpLiveStreamingDirect => "HLS Direct",
+            StreamingMode.HttpLiveStreamingSegmenter => "HLS Segmenter",
+            StreamingMode.HttpLiveStreamingSegmenterV2 => "HLS Segmenter V2",
+            _ => throw new ArgumentOutOfRangeException(nameof(channel))
+        };
 }

ErsatzTV.Application/Channels/Queries/GetAllChannels.cs

@@ -1,7 +1,3 @@
-using System.Collections.Generic;
-using MediatR;
+namespace ErsatzTV.Application.Channels;
 
-namespace ErsatzTV.Application.Channels.Queries
-{
-    public record GetAllChannels : IRequest<List<ChannelViewModel>>;
-}
+public record GetAllChannels : IRequest<List<ChannelViewModel>>;

ErsatzTV.Application/Channels/Queries/GetAllChannelsForApi.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core.Api.Channels;
+
+namespace ErsatzTV.Application.Channels;
+
+public record GetAllChannelsForApi : IRequest<List<ChannelResponseModel>>;

ErsatzTV.Application/Channels/Queries/GetAllChannelsForApiHandler.cs

@@ -0,0 +1,21 @@
+using ErsatzTV.Core.Api.Channels;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using static ErsatzTV.Application.Channels.Mapper;
+
+namespace ErsatzTV.Application.Channels;
+
+public class GetAllChannelsForApiHandler : IRequestHandler<GetAllChannelsForApi, List<ChannelResponseModel>>
+{
+    private readonly IChannelRepository _channelRepository;
+
+    public GetAllChannelsForApiHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+
+    public async Task<List<ChannelResponseModel>> Handle(
+        GetAllChannelsForApi request,
+        CancellationToken cancellationToken)
+    {
+        IEnumerable<Channel> channels = Optional(await _channelRepository.GetAll()).Flatten();
+        return channels.Map(ProjectToResponseModel).ToList();
+    }
+}

ErsatzTV.Application/Channels/Queries/GetAllChannelsHandler.cs

@@ -1,21 +1,14 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Interfaces.Repositories;
-using MediatR;
+using ErsatzTV.Core.Interfaces.Repositories;
 using static ErsatzTV.Application.Channels.Mapper;
-using static LanguageExt.Prelude;
 
-namespace ErsatzTV.Application.Channels.Queries
+namespace ErsatzTV.Application.Channels;
+
+public class GetAllChannelsHandler : IRequestHandler<GetAllChannels, List<ChannelViewModel>>
 {
-    public class GetAllChannelsHandler : IRequestHandler<GetAllChannels, List<ChannelViewModel>>
-    {
-        private readonly IChannelRepository _channelRepository;
+    private readonly IChannelRepository _channelRepository;
 
-        public GetAllChannelsHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+    public GetAllChannelsHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
 
-        public async Task<List<ChannelViewModel>> Handle(GetAllChannels request, CancellationToken cancellationToken) =>
-            Optional(await _channelRepository.GetAll()).Flatten().Map(ProjectToViewModel).ToList();
-    }
+    public async Task<List<ChannelViewModel>> Handle(GetAllChannels request, CancellationToken cancellationToken) =>
+        Optional(await _channelRepository.GetAll()).Flatten().Map(ProjectToViewModel).ToList();
 }

ErsatzTV.Application/Channels/Queries/GetChannelById.cs

@@ -1,7 +1,3 @@
-using LanguageExt;
-using MediatR;
+namespace ErsatzTV.Application.Channels;
 
-namespace ErsatzTV.Application.Channels.Queries
-{
-    public record GetChannelById(int Id) : IRequest<Option<ChannelViewModel>>;
-}
+public record GetChannelById(int Id) : IRequest<Option<ChannelViewModel>>;

ErsatzTV.Application/Channels/Queries/GetChannelByIdHandler.cs

@@ -1,20 +1,15 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Core.Interfaces.Repositories;
 using static ErsatzTV.Application.Channels.Mapper;
 
-namespace ErsatzTV.Application.Channels.Queries
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelByIdHandler : IRequestHandler<GetChannelById, Option<ChannelViewModel>>
 {
-    public class GetChannelByIdHandler : IRequestHandler<GetChannelById, Option<ChannelViewModel>>
-    {
-        private readonly IChannelRepository _channelRepository;
+    private readonly IChannelRepository _channelRepository;
 
-        public GetChannelByIdHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+    public GetChannelByIdHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
 
-        public Task<Option<ChannelViewModel>> Handle(GetChannelById request, CancellationToken cancellationToken) =>
-            _channelRepository.Get(request.Id)
-                .MapT(ProjectToViewModel);
-    }
+    public Task<Option<ChannelViewModel>> Handle(GetChannelById request, CancellationToken cancellationToken) =>
+        _channelRepository.GetChannel(request.Id)
+            .MapT(ProjectToViewModel);
 }

ErsatzTV.Application/Channels/Queries/GetChannelByNumber.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelByNumber(string ChannelNumber) : IRequest<Option<ChannelViewModel>>;

ErsatzTV.Application/Channels/Queries/GetChannelByNumberHandler.cs

@@ -0,0 +1,14 @@
+using ErsatzTV.Core.Interfaces.Repositories;
+using static ErsatzTV.Application.Channels.Mapper;
+
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelByNumberHandler : IRequestHandler<GetChannelByNumber, Option<ChannelViewModel>>
+{
+    private readonly IChannelRepository _channelRepository;
+
+    public GetChannelByNumberHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+
+    public Task<Option<ChannelViewModel>> Handle(GetChannelByNumber request, CancellationToken cancellationToken) =>
+        _channelRepository.GetByNumber(request.ChannelNumber).MapT(ProjectToViewModel);
+}

ErsatzTV.Application/Channels/Queries/GetChannelFramerate.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelFramerate(string ChannelNumber) : IRequest<Option<int>>;

ErsatzTV.Application/Channels/Queries/GetChannelFramerateHandler.cs

@@ -0,0 +1,123 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Extensions;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelFramerateHandler : IRequestHandler<GetChannelFramerate, Option<int>>
+{
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+    private readonly ILogger<GetChannelFramerateHandler> _logger;
+
+    public GetChannelFramerateHandler(
+        IDbContextFactory<TvContext> dbContextFactory,
+        ILogger<GetChannelFramerateHandler> logger)
+    {
+        _dbContextFactory = dbContextFactory;
+        _logger = logger;
+    }
+
+    public async Task<Option<int>> Handle(GetChannelFramerate request, CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
+
+        FFmpegProfile ffmpegProfile = await dbContext.Channels
+            .Filter(c => c.Number == request.ChannelNumber)
+            .Include(c => c.FFmpegProfile)
+            .Map(c => c.FFmpegProfile)
+            .SingleAsync(cancellationToken);
+
+        if (!ffmpegProfile.NormalizeFramerate)
+        {
+            return Option<int>.None;
+        }
+
+        // TODO: expand to check everything in collection rather than what's scheduled?
+        _logger.LogDebug("Checking frame rates for channel {ChannelNumber}", request.ChannelNumber);
+
+        List<Playout> playouts = await dbContext.Playouts
+            .Include(p => p.Items)
+            .ThenInclude(pi => pi.MediaItem)
+            .ThenInclude(mi => (mi as Movie).MediaVersions)
+            .Include(p => p.Items)
+            .ThenInclude(pi => pi.MediaItem)
+            .ThenInclude(mi => (mi as Episode).MediaVersions)
+            .Include(p => p.Items)
+            .ThenInclude(pi => pi.MediaItem)
+            .ThenInclude(mi => (mi as Song).MediaVersions)
+            .Include(p => p.Items)
+            .ThenInclude(pi => pi.MediaItem)
+            .ThenInclude(mi => (mi as MusicVideo).MediaVersions)
+            .Include(p => p.Items)
+            .ThenInclude(pi => pi.MediaItem)
+            .ThenInclude(mi => (mi as OtherVideo).MediaVersions)
+            .Filter(p => p.Channel.Number == request.ChannelNumber)
+            .ToListAsync(cancellationToken);
+
+        var frameRates = playouts.Map(p => p.Items.Map(i => i.MediaItem.GetHeadVersion()))
+            .Flatten()
+            .Map(mv => mv.RFrameRate)
+            .ToList();
+
+        var distinct = frameRates.Distinct().ToList();
+        if (distinct.Count > 1)
+        {
+            // TODO: something more intelligent than minimum framerate?
+            int result = frameRates.Map(ParseFrameRate).Min();
+            if (result < 24)
+            {
+                _logger.LogInformation(
+                    "Normalizing frame rate for channel {ChannelNumber} from {Distinct} to {FrameRate} instead of min value {MinFrameRate}",
+                    request.ChannelNumber,
+                    distinct,
+                    24,
+                    result);
+
+                return 24;
+            }
+
+            _logger.LogInformation(
+                "Normalizing frame rate for channel {ChannelNumber} from {Distinct} to {FrameRate}",
+                request.ChannelNumber,
+                distinct,
+                result);
+            return result;
+        }
+
+        if (distinct.Count != 0)
+        {
+            _logger.LogInformation(
+                "All content on channel {ChannelNumber} has the same frame rate of {FrameRate}; will not normalize",
+                request.ChannelNumber,
+                distinct[0]);
+        }
+        else
+        {
+            _logger.LogInformation(
+                "No content on channel {ChannelNumber} has frame rate information; will not normalize",
+                request.ChannelNumber);
+        }
+
+        return None;
+    }
+
+    private int ParseFrameRate(string frameRate)
+    {
+        if (!int.TryParse(frameRate, out int fr))
+        {
+            string[] split = (frameRate ?? string.Empty).Split("/");
+            if (int.TryParse(split[0], out int left) && int.TryParse(split[1], out int right))
+            {
+                fr = (int)Math.Round(left / (double)right);
+            }
+            else
+            {
+                fr = 24;
+            }
+        }
+
+        return fr;
+    }
+}

ErsatzTV.Application/Channels/Queries/GetChannelGuide.cs

@@ -1,7 +1,7 @@
-using ErsatzTV.Core.Iptv;
-using MediatR;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Iptv;
 
-namespace ErsatzTV.Application.Channels.Queries
-{
-    public record GetChannelGuide(string Scheme, string Host) : IRequest<ChannelGuide>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelGuide(string Scheme, string Host, string BaseUrl, string AccessToken)
+    : IRequest<Either<BaseError, ChannelGuide>>;

ErsatzTV.Application/Channels/Queries/GetChannelGuideHandler.cs

@@ -1,20 +1,72 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Interfaces.Repositories;
+using System.Text;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Interfaces.Metadata;
 using ErsatzTV.Core.Iptv;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.IO;
 
-namespace ErsatzTV.Application.Channels.Queries
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelGuideHandler : IRequestHandler<GetChannelGuide, Either<BaseError, ChannelGuide>>
 {
-    public class GetChannelGuideHandler : IRequestHandler<GetChannelGuide, ChannelGuide>
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+    private readonly ILocalFileSystem _localFileSystem;
+    private readonly RecyclableMemoryStreamManager _recyclableMemoryStreamManager;
+
+    public GetChannelGuideHandler(
+        IDbContextFactory<TvContext> dbContextFactory,
+        RecyclableMemoryStreamManager recyclableMemoryStreamManager,
+        ILocalFileSystem localFileSystem)
     {
-        private readonly IChannelRepository _channelRepository;
+        _dbContextFactory = dbContextFactory;
+        _recyclableMemoryStreamManager = recyclableMemoryStreamManager;
+        _localFileSystem = localFileSystem;
+    }
 
-        public GetChannelGuideHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+    public async Task<Either<BaseError, ChannelGuide>> Handle(
+        GetChannelGuide request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
 
-        public Task<ChannelGuide> Handle(GetChannelGuide request, CancellationToken cancellationToken) =>
-            _channelRepository.GetAllForGuide()
-                .Map(channels => new ChannelGuide(request.Scheme, request.Host, channels));
+        string channelsFile = Path.Combine(FileSystemLayout.ChannelGuideCacheFolder, "channels.xml");
+        if (!_localFileSystem.FileExists(channelsFile))
+        {
+            return BaseError.New($"Required file {channelsFile} is missing");
+        }
+
+        string accessTokenUri = string.Empty;
+        if (!string.IsNullOrWhiteSpace(request.AccessToken))
+        {
+            accessTokenUri = $"?access_token={request.AccessToken}";
+        }
+
+        string channelsFragment = await File.ReadAllTextAsync(channelsFile, Encoding.UTF8, cancellationToken);
+
+        // TODO: is regex faster?
+        channelsFragment = channelsFragment
+            .Replace("{RequestBase}", $"{request.Scheme}://{request.Host}{request.BaseUrl}")
+            .Replace("{AccessTokenUri}", accessTokenUri);
+
+        var channelDataFragments = new Dictionary<string, string>();
+
+        foreach (string fileName in _localFileSystem.ListFiles(FileSystemLayout.ChannelGuideCacheFolder))
+        {
+            if (fileName.Contains("channels"))
+            {
+                continue;
+            }
+
+            string channelDataFragment = await File.ReadAllTextAsync(fileName, Encoding.UTF8, cancellationToken);
+
+            channelDataFragment = channelDataFragment
+                .Replace("{RequestBase}", $"{request.Scheme}://{request.Host}{request.BaseUrl}")
+                .Replace("{AccessTokenUri}", accessTokenUri);
+
+            channelDataFragments.Add(Path.GetFileNameWithoutExtension(fileName), channelDataFragment);
+        }
+
+        return new ChannelGuide(_recyclableMemoryStreamManager, channelsFragment, channelDataFragments);
     }
 }

ErsatzTV.Application/Channels/Queries/GetChannelLineup.cs

@@ -1,8 +1,5 @@
-using System.Collections.Generic;
-using ErsatzTV.Core.Hdhr;
-using MediatR;
+using ErsatzTV.Core.Hdhr;
 
-namespace ErsatzTV.Application.Channels.Queries
-{
-    public record GetChannelLineup(string Scheme, string Host) : IRequest<List<LineupItem>>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelLineup(string Scheme, string Host) : IRequest<List<LineupItem>>;

ErsatzTV.Application/Channels/Queries/GetChannelLineupHandler.cs

@@ -1,22 +1,15 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Hdhr;
+using ErsatzTV.Core.Hdhr;
 using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Channels.Queries
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelLineupHandler : IRequestHandler<GetChannelLineup, List<LineupItem>>
 {
-    public class GetChannelLineupHandler : IRequestHandler<GetChannelLineup, List<LineupItem>>
-    {
-        private readonly IChannelRepository _channelRepository;
+    private readonly IChannelRepository _channelRepository;
 
-        public GetChannelLineupHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
+    public GetChannelLineupHandler(IChannelRepository channelRepository) => _channelRepository = channelRepository;
 
-        public Task<List<LineupItem>> Handle(GetChannelLineup request, CancellationToken cancellationToken) =>
-            _channelRepository.GetAll()
-                .Map(channels => channels.Map(c => new LineupItem(request.Scheme, request.Host, c)).ToList());
-    }
+    public Task<List<LineupItem>> Handle(GetChannelLineup request, CancellationToken cancellationToken) =>
+        _channelRepository.GetAll()
+            .Map(channels => channels.Map(c => new LineupItem(request.Scheme, request.Host, c)).ToList());
 }

ErsatzTV.Application/Channels/Queries/GetChannelNameByPlayoutId.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelNameByPlayoutId(int PlayoutId) : IRequest<Option<string>>;

ErsatzTV.Application/Channels/Queries/GetChannelNameByPlayoutIdHandler.cs

@@ -0,0 +1,22 @@
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelNameByPlayoutIdHandler : IRequestHandler<GetChannelNameByPlayoutId, Option<string>>
+{
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+
+    public GetChannelNameByPlayoutIdHandler(IDbContextFactory<TvContext> dbContextFactory) =>
+        _dbContextFactory = dbContextFactory;
+
+    public async Task<Option<string>> Handle(GetChannelNameByPlayoutId request, CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
+        return await dbContext.Playouts
+            .Include(p => p.Channel)
+            .SelectOneAsync(p => p.Id, p => p.Id == request.PlayoutId)
+            .MapT(p => p.Channel.Name);
+    }
+}

ErsatzTV.Application/Channels/Queries/GetChannelPlaylist.cs

@@ -1,7 +1,11 @@
-using ErsatzTV.Core.Iptv;
-using MediatR;
+using ErsatzTV.Core.Iptv;
 
-namespace ErsatzTV.Application.Channels.Queries
-{
-    public record GetChannelPlaylist(string Scheme, string Host, string Mode) : IRequest<ChannelPlaylist>;
-}
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelPlaylist(
+    string Scheme,
+    string Host,
+    string BaseUrl,
+    string Mode,
+    string UserAgent,
+    string AccessToken) : IRequest<ChannelPlaylist>;

ErsatzTV.Application/Channels/Queries/GetChannelPlaylistHandler.cs

@@ -1,56 +1,61 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Repositories;
 using ErsatzTV.Core.Iptv;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Channels.Queries
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelPlaylistHandler : IRequestHandler<GetChannelPlaylist, ChannelPlaylist>
 {
-    public class GetChannelPlaylistHandler : IRequestHandler<GetChannelPlaylist, ChannelPlaylist>
+    private readonly IChannelRepository _channelRepository;
+
+    public GetChannelPlaylistHandler(IChannelRepository channelRepository) =>
+        _channelRepository = channelRepository;
+
+    public Task<ChannelPlaylist> Handle(GetChannelPlaylist request, CancellationToken cancellationToken) =>
+        _channelRepository.GetAll()
+            .Map(channels => EnsureMode(channels, request.Mode))
+            .Map(
+                channels => new ChannelPlaylist(
+                    request.Scheme,
+                    request.Host,
+                    request.BaseUrl,
+                    channels,
+                    request.UserAgent,
+                    request.AccessToken));
+
+    private static List<Channel> EnsureMode(IEnumerable<Channel> channels, string mode)
     {
-        private readonly IChannelRepository _channelRepository;
-
-        public GetChannelPlaylistHandler(IChannelRepository channelRepository) =>
-            _channelRepository = channelRepository;
-
-        public Task<ChannelPlaylist> Handle(GetChannelPlaylist request, CancellationToken cancellationToken) =>
-            _channelRepository.GetAll()
-                .Map(channels => EnsureMode(channels, request.Mode))
-                .Map(channels => new ChannelPlaylist(request.Scheme, request.Host, channels));
-
-        private static List<Channel> EnsureMode(IEnumerable<Channel> channels, string mode)
+        var result = new List<Channel>();
+        foreach (Channel channel in channels)
         {
-            var result = new List<Channel>();
-            foreach (Channel channel in channels)
+            switch (mode.ToLowerInvariant())
             {
-                switch (mode.ToLowerInvariant())
-                {
-                    case "segmenter":
-                        channel.StreamingMode = StreamingMode.HttpLiveStreamingSegmenter;
-                        result.Add(channel);
-                        break;
-                    case "hls-direct":
-                        channel.StreamingMode = StreamingMode.HttpLiveStreamingDirect;
-                        result.Add(channel);
-                        break;
-                    case "ts-legacy":
-                        channel.StreamingMode = StreamingMode.TransportStream;
-                        result.Add(channel);
-                        break;
-                    case "ts":
-                        channel.StreamingMode = StreamingMode.TransportStreamHybrid;
-                        result.Add(channel);
-                        break;
-                    default:
-                        result.Add(channel);
-                        break;
-                }
+                case "segmenter":
+                    channel.StreamingMode = StreamingMode.HttpLiveStreamingSegmenter;
+                    result.Add(channel);
+                    break;
+                case "segmenter-v2":
+                    channel.StreamingMode = StreamingMode.HttpLiveStreamingSegmenterV2;
+                    result.Add(channel);
+                    break;
+                case "hls-direct":
+                    channel.StreamingMode = StreamingMode.HttpLiveStreamingDirect;
+                    result.Add(channel);
+                    break;
+                case "ts-legacy":
+                    channel.StreamingMode = StreamingMode.TransportStream;
+                    result.Add(channel);
+                    break;
+                case "ts":
+                    channel.StreamingMode = StreamingMode.TransportStreamHybrid;
+                    result.Add(channel);
+                    break;
+                default:
+                    result.Add(channel);
+                    break;
             }
-
-            return result;
         }
+
+        return result;
     }
 }

ErsatzTV.Application/Channels/Queries/GetChannelResolution.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record GetChannelResolution(string ChannelNumber) : IRequest<Option<ResolutionViewModel>>;

ErsatzTV.Application/Channels/Queries/GetChannelResolutionHandler.cs

@@ -0,0 +1,25 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Channels;
+
+public class GetChannelResolutionHandler(IDbContextFactory<TvContext> dbContextFactory)
+    : IRequestHandler<GetChannelResolution, Option<ResolutionViewModel>>
+{
+    public async Task<Option<ResolutionViewModel>> Handle(
+        GetChannelResolution request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync(cancellationToken);
+
+        Option<Channel> maybeChannel = await dbContext.Channels
+            .AsNoTracking()
+            .Include(c => c.FFmpegProfile)
+            .ThenInclude(ff => ff.Resolution)
+            .SelectOneAsync(c => c.Number, c => c.Number == request.ChannelNumber);
+
+        return maybeChannel.Map(c => Mapper.ProjectToViewModel(c.FFmpegProfile.Resolution));
+    }
+}

ErsatzTV.Application/Channels/ResolutionViewModel.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Channels;
+
+public record ResolutionViewModel(int Height, int Width);

ErsatzTV.Application/Channels/XmlTemplateContext.cs

@@ -0,0 +1,14 @@
+using System.Net;
+using Scriban;
+using Scriban.Parsing;
+
+namespace ErsatzTV.Application.Channels;
+
+public class XmlTemplateContext : TemplateContext
+{
+    public override TemplateContext Write(SourceSpan span, object textAsObject)
+        => base.Write(span, textAsObject is string text ? WebUtility.HtmlEncode(text) : textAsObject);
+
+    public override ValueTask<TemplateContext> WriteAsync(SourceSpan span, object textAsObject)
+        => base.WriteAsync(span, textAsObject is string text ? WebUtility.HtmlEncode(text) : textAsObject);
+}

ErsatzTV.Application/Configuration/Commands/SaveConfigElementByKey.cs

@@ -1,7 +1,5 @@
 using ErsatzTV.Core.Domain;
-using LanguageExt;
 
-namespace ErsatzTV.Application.Configuration.Commands
-{
-    public record SaveConfigElementByKey(ConfigElementKey Key, string Value) : MediatR.IRequest<Unit>;
-}
+namespace ErsatzTV.Application.Configuration;
+
+public record SaveConfigElementByKey(ConfigElementKey Key, string Value) : IRequest;

ErsatzTV.Application/Configuration/Commands/SaveConfigElementByKeyHandler.cs

@@ -1,21 +1,14 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
+using ErsatzTV.Core.Interfaces.Repositories;
 
-namespace ErsatzTV.Application.Configuration.Commands
+namespace ErsatzTV.Application.Configuration;
+
+public class SaveConfigElementByKeyHandler : IRequestHandler<SaveConfigElementByKey>
 {
-    public class SaveConfigElementByKeyHandler : MediatR.IRequestHandler<SaveConfigElementByKey, Unit>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
+    private readonly IConfigElementRepository _configElementRepository;
 
-        public SaveConfigElementByKeyHandler(IConfigElementRepository configElementRepository) =>
-            _configElementRepository = configElementRepository;
+    public SaveConfigElementByKeyHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
 
-        public async Task<Unit> Handle(SaveConfigElementByKey request, CancellationToken cancellationToken)
-        {
-            await _configElementRepository.Upsert(request.Key, request.Value);
-            return Unit.Default;
-        }
-    }
+    public async Task Handle(SaveConfigElementByKey request, CancellationToken cancellationToken) =>
+        await _configElementRepository.Upsert(request.Key, request.Value);
 }

ErsatzTV.Application/Configuration/Commands/UpdateGeneralSettings.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.Configuration;
+
+public record UpdateGeneralSettings(GeneralSettingsViewModel GeneralSettings) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Configuration/Commands/UpdateGeneralSettingsHandler.cs

@@ -0,0 +1,51 @@
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class UpdateGeneralSettingsHandler : IRequestHandler<UpdateGeneralSettings, Either<BaseError, Unit>>
+{
+    private readonly IConfigElementRepository _configElementRepository;
+    private readonly LoggingLevelSwitches _loggingLevelSwitches;
+
+    public UpdateGeneralSettingsHandler(
+        LoggingLevelSwitches loggingLevelSwitches,
+        IConfigElementRepository configElementRepository)
+    {
+        _loggingLevelSwitches = loggingLevelSwitches;
+        _configElementRepository = configElementRepository;
+    }
+
+    public async Task<Either<BaseError, Unit>> Handle(
+        UpdateGeneralSettings request,
+        CancellationToken cancellationToken) => await ApplyUpdate(request.GeneralSettings);
+
+    private async Task<Unit> ApplyUpdate(GeneralSettingsViewModel generalSettings)
+    {
+        await _configElementRepository.Upsert(ConfigElementKey.MinimumLogLevel, generalSettings.DefaultMinimumLogLevel);
+        _loggingLevelSwitches.DefaultLevelSwitch.MinimumLevel = generalSettings.DefaultMinimumLogLevel;
+
+        await _configElementRepository.Upsert(
+            ConfigElementKey.MinimumLogLevelScanning,
+            generalSettings.ScanningMinimumLogLevel);
+        _loggingLevelSwitches.ScanningLevelSwitch.MinimumLevel = generalSettings.ScanningMinimumLogLevel;
+
+        await _configElementRepository.Upsert(
+            ConfigElementKey.MinimumLogLevelScheduling,
+            generalSettings.SchedulingMinimumLogLevel);
+        _loggingLevelSwitches.SchedulingLevelSwitch.MinimumLevel = generalSettings.SchedulingMinimumLogLevel;
+
+        await _configElementRepository.Upsert(
+            ConfigElementKey.MinimumLogLevelStreaming,
+            generalSettings.StreamingMinimumLogLevel);
+        _loggingLevelSwitches.StreamingLevelSwitch.MinimumLevel = generalSettings.StreamingMinimumLogLevel;
+
+        await _configElementRepository.Upsert(
+            ConfigElementKey.MinimumLogLevelHttp,
+            generalSettings.HttpMinimumLogLevel);
+        _loggingLevelSwitches.HttpLevelSwitch.MinimumLevel = generalSettings.HttpMinimumLogLevel;
+
+        return Unit.Default;
+    }
+}

ErsatzTV.Application/Configuration/Commands/UpdateLibraryRefreshInterval.cs

@@ -1,7 +1,5 @@
 using ErsatzTV.Core;
-using LanguageExt;
 
-namespace ErsatzTV.Application.Configuration.Commands
-{
-    public record UpdateLibraryRefreshInterval(int LibraryRefreshInterval) : MediatR.IRequest<Either<BaseError, Unit>>;
-}
+namespace ErsatzTV.Application.Configuration;
+
+public record UpdateLibraryRefreshInterval(int LibraryRefreshInterval) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Configuration/Commands/UpdateLibraryRefreshIntervalHandler.cs

@@ -1,33 +1,31 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core;
+using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using static LanguageExt.Prelude;
 
-namespace ErsatzTV.Application.Configuration.Commands
+namespace ErsatzTV.Application.Configuration;
+
+public class UpdateLibraryRefreshIntervalHandler :
+    IRequestHandler<UpdateLibraryRefreshInterval, Either<BaseError, Unit>>
 {
-    public class UpdateLibraryRefreshIntervalHandler :
-        MediatR.IRequestHandler<UpdateLibraryRefreshInterval, Either<BaseError, Unit>>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
+    private readonly IConfigElementRepository _configElementRepository;
 
-        public UpdateLibraryRefreshIntervalHandler(IConfigElementRepository configElementRepository) =>
-            _configElementRepository = configElementRepository;
+    public UpdateLibraryRefreshIntervalHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
 
-        public Task<Either<BaseError, Unit>> Handle(
-            UpdateLibraryRefreshInterval request,
-            CancellationToken cancellationToken) =>
-            Validate(request)
-                .MapT(_ => _configElementRepository.Upsert(ConfigElementKey.LibraryRefreshInterval, request.LibraryRefreshInterval))
-                .Bind(v => v.ToEitherAsync());
+    public Task<Either<BaseError, Unit>> Handle(
+        UpdateLibraryRefreshInterval request,
+        CancellationToken cancellationToken) =>
+        Validate(request)
+            .MapT(
+                _ => _configElementRepository.Upsert(
+                    ConfigElementKey.LibraryRefreshInterval,
+                    request.LibraryRefreshInterval))
+            .Bind(v => v.ToEitherAsync());
 
-        private static Task<Validation<BaseError, Unit>> Validate(UpdateLibraryRefreshInterval request) =>
-            Optional(request.LibraryRefreshInterval)
-                .Where(lri => lri > 0)
-                .Map(_ => Unit.Default)
-                .ToValidation<BaseError>("Tuner count must be greater than zero")
-                .AsTask();
-    }
+    private static Task<Validation<BaseError, Unit>> Validate(UpdateLibraryRefreshInterval request) =>
+        Optional(request.LibraryRefreshInterval)
+            .Where(lri => lri is >= 0 and < 1_000_000)
+            .Map(_ => Unit.Default)
+            .ToValidation<BaseError>("Library refresh interval must be zero or greated")
+            .AsTask();
 }

ErsatzTV.Application/Configuration/Commands/UpdatePlayoutDaysToBuild.cs

@@ -1,7 +0,0 @@
-using ErsatzTV.Core;
-using LanguageExt;
-
-namespace ErsatzTV.Application.Configuration.Commands
-{
-    public record UpdatePlayoutDaysToBuild(int DaysToBuild) : MediatR.IRequest<Either<BaseError, Unit>>;
-}

ErsatzTV.Application/Configuration/Commands/UpdatePlayoutDaysToBuildHandler.cs

@@ -1,66 +0,0 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading;
-using System.Threading.Channels;
-using System.Threading.Tasks;
-using ErsatzTV.Application.Playouts.Commands;
-using ErsatzTV.Core;
-using ErsatzTV.Core.Domain;
-using ErsatzTV.Core.Interfaces.Repositories;
-using ErsatzTV.Infrastructure.Data;
-using LanguageExt;
-using Microsoft.EntityFrameworkCore;
-using static LanguageExt.Prelude;
-
-namespace ErsatzTV.Application.Configuration.Commands
-{
-    public class
-        UpdatePlayoutDaysToBuildHandler : MediatR.IRequestHandler<UpdatePlayoutDaysToBuild, Either<BaseError, Unit>>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
-        private readonly IDbContextFactory<TvContext> _dbContextFactory;
-        private readonly ChannelWriter<IBackgroundServiceRequest> _workerChannel;
-
-        public UpdatePlayoutDaysToBuildHandler(
-            IConfigElementRepository configElementRepository,
-            IDbContextFactory<TvContext> dbContextFactory,
-            ChannelWriter<IBackgroundServiceRequest> workerChannel)
-        {
-            _configElementRepository = configElementRepository;
-            _dbContextFactory = dbContextFactory;
-            _workerChannel = workerChannel;
-        }
-
-        public async Task<Either<BaseError, Unit>> Handle(
-            UpdatePlayoutDaysToBuild request,
-            CancellationToken cancellationToken)
-        {
-            await using TvContext dbContext = _dbContextFactory.CreateDbContext();
-            Validation<BaseError, Unit> validation = await Validate(request);
-            return await validation.Apply<Unit, Unit>(_ => ApplyUpdate(dbContext, request.DaysToBuild));
-        }
-
-        private async Task<Unit> ApplyUpdate(TvContext dbContext, int daysToBuild)
-        {
-            await _configElementRepository.Upsert(ConfigElementKey.PlayoutDaysToBuild, daysToBuild);
-            
-            // build all playouts to proper number of days
-            List<Playout> playouts = await dbContext.Playouts
-                .Include(p => p.Channel)
-                .ToListAsync();
-            foreach (int playoutId in playouts.OrderBy(p => decimal.Parse(p.Channel.Number)).Map(p => p.Id))
-            {
-                await _workerChannel.WriteAsync(new BuildPlayout(playoutId));
-            }
-            
-            return Unit.Default;
-        }
-
-        private static Task<Validation<BaseError, Unit>> Validate(UpdatePlayoutDaysToBuild request) =>
-            Optional(request.DaysToBuild)
-                .Where(days => days > 0)
-                .Map(_ => Unit.Default)
-                .ToValidation<BaseError>("Days to build must be greater than zero")
-                .AsTask();
-    }
-}

ErsatzTV.Application/Configuration/Commands/UpdatePlayoutSettings.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.Configuration;
+
+public record UpdatePlayoutSettings(PlayoutSettingsViewModel PlayoutSettings) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Configuration/Commands/UpdatePlayoutSettingsHandler.cs

@@ -0,0 +1,64 @@
+using System.Globalization;
+using System.Threading.Channels;
+using ErsatzTV.Application.Playouts;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Core.Scheduling;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class UpdatePlayoutSettingsHandler : IRequestHandler<UpdatePlayoutSettings, Either<BaseError, Unit>>
+{
+    private readonly IConfigElementRepository _configElementRepository;
+    private readonly IDbContextFactory<TvContext> _dbContextFactory;
+    private readonly ChannelWriter<IBackgroundServiceRequest> _workerChannel;
+
+    public UpdatePlayoutSettingsHandler(
+        IConfigElementRepository configElementRepository,
+        IDbContextFactory<TvContext> dbContextFactory,
+        ChannelWriter<IBackgroundServiceRequest> workerChannel)
+    {
+        _configElementRepository = configElementRepository;
+        _dbContextFactory = dbContextFactory;
+        _workerChannel = workerChannel;
+    }
+
+    public async Task<Either<BaseError, Unit>> Handle(
+        UpdatePlayoutSettings request,
+        CancellationToken cancellationToken)
+    {
+        await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
+        Validation<BaseError, Unit> validation = await Validate(request);
+        return await validation.Apply<Unit, Unit>(_ => ApplyUpdate(dbContext, request.PlayoutSettings));
+    }
+
+    private async Task<Unit> ApplyUpdate(TvContext dbContext, PlayoutSettingsViewModel playoutSettings)
+    {
+        await _configElementRepository.Upsert(ConfigElementKey.PlayoutDaysToBuild, playoutSettings.DaysToBuild);
+        await _configElementRepository.Upsert(
+            ConfigElementKey.PlayoutSkipMissingItems,
+            playoutSettings.SkipMissingItems);
+
+        // continue all playouts to proper number of days
+        List<Playout> playouts = await dbContext.Playouts
+            .Include(p => p.Channel)
+            .ToListAsync();
+        foreach (int playoutId in playouts.OrderBy(p => decimal.Parse(p.Channel.Number, CultureInfo.InvariantCulture))
+                     .Map(p => p.Id))
+        {
+            await _workerChannel.WriteAsync(new BuildPlayout(playoutId, PlayoutBuildMode.Continue));
+        }
+
+        return Unit.Default;
+    }
+
+    private static Task<Validation<BaseError, Unit>> Validate(UpdatePlayoutSettings request) =>
+        Optional(request.PlayoutSettings.DaysToBuild)
+            .Where(days => days > 0)
+            .Map(_ => Unit.Default)
+            .ToValidation<BaseError>("Days to build must be greater than zero")
+            .AsTask();
+}

ErsatzTV.Application/Configuration/Commands/UpdateXmltvSettings.cs

@@ -0,0 +1,5 @@
+using ErsatzTV.Core;
+
+namespace ErsatzTV.Application.Configuration;
+
+public record UpdateXmltvSettings(XmltvSettingsViewModel XmltvSettings) : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Configuration/Commands/UpdateXmltvSettingsHandler.cs

@@ -0,0 +1,34 @@
+using System.Threading.Channels;
+using ErsatzTV.Application.Channels;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.Infrastructure.Data;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class UpdateXmltvSettingsHandler(
+    IDbContextFactory<TvContext> dbContextFactory,
+    IConfigElementRepository configElementRepository,
+    ChannelWriter<IBackgroundServiceRequest> workerChannel)
+    : IRequestHandler<UpdateXmltvSettings, Either<BaseError, Unit>>
+{
+    public async Task<Either<BaseError, Unit>> Handle(
+        UpdateXmltvSettings request,
+        CancellationToken cancellationToken) => await ApplyUpdate(request.XmltvSettings);
+
+    private async Task<Unit> ApplyUpdate(XmltvSettingsViewModel xmltvSettings)
+    {
+        await configElementRepository.Upsert(ConfigElementKey.XmltvTimeZone, xmltvSettings.TimeZone);
+
+        await using TvContext dbContext = await dbContextFactory.CreateDbContextAsync();
+
+        foreach (string channelNumber in await dbContext.Channels.Map(c => c.Number).ToListAsync())
+        {
+            await workerChannel.WriteAsync(new RefreshChannelData(channelNumber));
+        }
+
+        return Unit.Default;
+    }
+}

ErsatzTV.Application/Configuration/ConfigElementViewModel.cs

@@ -1,4 +1,3 @@
-namespace ErsatzTV.Application.Configuration
-{
-    public record ConfigElementViewModel(string Key, string Value);
-}
+namespace ErsatzTV.Application.Configuration;
+
+public record ConfigElementViewModel(string Key, string Value);

ErsatzTV.Application/Configuration/GeneralSettingsViewModel.cs

@@ -0,0 +1,12 @@
+using Serilog.Events;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class GeneralSettingsViewModel
+{
+    public LogEventLevel DefaultMinimumLogLevel { get; set; }
+    public LogEventLevel ScanningMinimumLogLevel { get; set; }
+    public LogEventLevel SchedulingMinimumLogLevel { get; set; }
+    public LogEventLevel StreamingMinimumLogLevel { get; set; }
+    public LogEventLevel HttpMinimumLogLevel { get; set; }
+}

ErsatzTV.Application/Configuration/Mapper.cs

@@ -1,10 +1,9 @@
 using ErsatzTV.Core.Domain;
 
-namespace ErsatzTV.Application.Configuration
+namespace ErsatzTV.Application.Configuration;
+
+internal static class Mapper
 {
-    internal static class Mapper
-    {
-        internal static ConfigElementViewModel ProjectToViewModel(ConfigElement element) =>
-            new(element.Key, element.Value);
-    }
+    internal static ConfigElementViewModel ProjectToViewModel(ConfigElement element) =>
+        new(element.Key, element.Value);
 }

ErsatzTV.Application/Configuration/PlayoutSettingsViewModel.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Application.Configuration;
+
+public class PlayoutSettingsViewModel
+{
+    public int DaysToBuild { get; set; }
+    public bool SkipMissingItems { get; set; }
+}

ErsatzTV.Application/Configuration/Queries/GetConfigElementByKey.cs

@@ -1,8 +1,5 @@
 using ErsatzTV.Core.Domain;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Configuration.Queries
-{
-    public record GetConfigElementByKey(ConfigElementKey Key) : IRequest<Option<ConfigElementViewModel>>;
-}
+namespace ErsatzTV.Application.Configuration;
+
+public record GetConfigElementByKey(ConfigElementKey Key) : IRequest<Option<ConfigElementViewModel>>;

ErsatzTV.Application/Configuration/Queries/GetConfigElementByKeyHandler.cs

@@ -1,22 +1,17 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
+using ErsatzTV.Core.Interfaces.Repositories;
 using static ErsatzTV.Application.Configuration.Mapper;
 
-namespace ErsatzTV.Application.Configuration.Queries
+namespace ErsatzTV.Application.Configuration;
+
+public class GetConfigElementByKeyHandler : IRequestHandler<GetConfigElementByKey, Option<ConfigElementViewModel>>
 {
-    public class GetConfigElementByKeyHandler : IRequestHandler<GetConfigElementByKey, Option<ConfigElementViewModel>>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
+    private readonly IConfigElementRepository _configElementRepository;
 
-        public GetConfigElementByKeyHandler(IConfigElementRepository configElementRepository) =>
-            _configElementRepository = configElementRepository;
+    public GetConfigElementByKeyHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
 
-        public Task<Option<ConfigElementViewModel>> Handle(
-            GetConfigElementByKey request,
-            CancellationToken cancellationToken) =>
-            _configElementRepository.Get(request.Key).MapT(ProjectToViewModel);
-    }
+    public Task<Option<ConfigElementViewModel>> Handle(
+        GetConfigElementByKey request,
+        CancellationToken cancellationToken) =>
+        _configElementRepository.GetConfigElement(request.Key).MapT(ProjectToViewModel);
 }

ErsatzTV.Application/Configuration/Queries/GetGeneralSettings.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Configuration;
+
+public record GetGeneralSettings : IRequest<GeneralSettingsViewModel>;

ErsatzTV.Application/Configuration/Queries/GetGeneralSettingsHandler.cs

@@ -0,0 +1,40 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+using Serilog.Events;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class GetGeneralSettingsHandler : IRequestHandler<GetGeneralSettings, GeneralSettingsViewModel>
+{
+    private readonly IConfigElementRepository _configElementRepository;
+
+    public GetGeneralSettingsHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
+
+    public async Task<GeneralSettingsViewModel> Handle(GetGeneralSettings request, CancellationToken cancellationToken)
+    {
+        Option<LogEventLevel> maybeDefaultLevel =
+            await _configElementRepository.GetValue<LogEventLevel>(ConfigElementKey.MinimumLogLevel);
+
+        Option<LogEventLevel> maybeScanningLevel =
+            await _configElementRepository.GetValue<LogEventLevel>(ConfigElementKey.MinimumLogLevelScanning);
+
+        Option<LogEventLevel> maybeSchedulingLevel =
+            await _configElementRepository.GetValue<LogEventLevel>(ConfigElementKey.MinimumLogLevelScheduling);
+
+        Option<LogEventLevel> maybeStreamingLevel =
+            await _configElementRepository.GetValue<LogEventLevel>(ConfigElementKey.MinimumLogLevelStreaming);
+
+        Option<LogEventLevel> maybeHttpLevel =
+            await _configElementRepository.GetValue<LogEventLevel>(ConfigElementKey.MinimumLogLevelHttp);
+
+        return new GeneralSettingsViewModel
+        {
+            DefaultMinimumLogLevel = await maybeDefaultLevel.IfNoneAsync(LogEventLevel.Information),
+            ScanningMinimumLogLevel = await maybeScanningLevel.IfNoneAsync(LogEventLevel.Information),
+            SchedulingMinimumLogLevel = await maybeSchedulingLevel.IfNoneAsync(LogEventLevel.Information),
+            StreamingMinimumLogLevel = await maybeStreamingLevel.IfNoneAsync(LogEventLevel.Information),
+            HttpMinimumLogLevel = await maybeHttpLevel.IfNoneAsync(LogEventLevel.Information)
+        };
+    }
+}

ErsatzTV.Application/Configuration/Queries/GetLibraryRefreshInterval.cs

@@ -1,6 +1,3 @@
-using MediatR;
+namespace ErsatzTV.Application.Configuration;
 
-namespace ErsatzTV.Application.Configuration.Queries
-{
-    public record GetLibraryRefreshInterval : IRequest<int>;
-}
+public record GetLibraryRefreshInterval : IRequest<int>;

ErsatzTV.Application/Configuration/Queries/GetLibraryRefreshIntervalHandler.cs

@@ -1,21 +1,16 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
 
-namespace ErsatzTV.Application.Configuration.Queries
+namespace ErsatzTV.Application.Configuration;
+
+public class GetLibraryRefreshIntervalHandler : IRequestHandler<GetLibraryRefreshInterval, int>
 {
-    public class GetLibraryRefreshIntervalHandler : IRequestHandler<GetLibraryRefreshInterval, int>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
+    private readonly IConfigElementRepository _configElementRepository;
 
-        public GetLibraryRefreshIntervalHandler(IConfigElementRepository configElementRepository) =>
-            _configElementRepository = configElementRepository;
+    public GetLibraryRefreshIntervalHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
 
-        public Task<int> Handle(GetLibraryRefreshInterval request, CancellationToken cancellationToken) =>
-            _configElementRepository.GetValue<int>(ConfigElementKey.LibraryRefreshInterval)
-                .Map(result => result.IfNone(6));
-    }
+    public Task<int> Handle(GetLibraryRefreshInterval request, CancellationToken cancellationToken) =>
+        _configElementRepository.GetValue<int>(ConfigElementKey.LibraryRefreshInterval)
+            .Map(result => result.IfNone(6));
 }

ErsatzTV.Application/Configuration/Queries/GetPlayoutDaysToBuild.cs

@@ -1,6 +0,0 @@
-using MediatR;
-
-namespace ErsatzTV.Application.Configuration.Queries
-{
-    public record GetPlayoutDaysToBuild : IRequest<int>;
-}

ErsatzTV.Application/Configuration/Queries/GetPlayoutDaysToBuildHandler.cs

@@ -1,21 +0,0 @@
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core.Domain;
-using ErsatzTV.Core.Interfaces.Repositories;
-using LanguageExt;
-using MediatR;
-
-namespace ErsatzTV.Application.Configuration.Queries
-{
-    public class GetPlayoutDaysToBuildHandler : IRequestHandler<GetPlayoutDaysToBuild, int>
-    {
-        private readonly IConfigElementRepository _configElementRepository;
-
-        public GetPlayoutDaysToBuildHandler(IConfigElementRepository configElementRepository) =>
-            _configElementRepository = configElementRepository;
-
-        public Task<int> Handle(GetPlayoutDaysToBuild request, CancellationToken cancellationToken) =>
-            _configElementRepository.GetValue<int>(ConfigElementKey.PlayoutDaysToBuild)
-                .Map(result => result.IfNone(2));
-    }
-}

ErsatzTV.Application/Configuration/Queries/GetPlayoutSettings.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Configuration;
+
+public record GetPlayoutSettings : IRequest<PlayoutSettingsViewModel>;

ErsatzTV.Application/Configuration/Queries/GetPlayoutSettingsHandler.cs

@@ -0,0 +1,26 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class GetPlayoutSettingsHandler : IRequestHandler<GetPlayoutSettings, PlayoutSettingsViewModel>
+{
+    private readonly IConfigElementRepository _configElementRepository;
+
+    public GetPlayoutSettingsHandler(IConfigElementRepository configElementRepository) =>
+        _configElementRepository = configElementRepository;
+
+    public async Task<PlayoutSettingsViewModel> Handle(GetPlayoutSettings request, CancellationToken cancellationToken)
+    {
+        Option<int> daysToBuild = await _configElementRepository.GetValue<int>(ConfigElementKey.PlayoutDaysToBuild);
+
+        Option<bool> skipMissingItems =
+            await _configElementRepository.GetValue<bool>(ConfigElementKey.PlayoutSkipMissingItems);
+
+        return new PlayoutSettingsViewModel
+        {
+            DaysToBuild = await daysToBuild.IfNoneAsync(2),
+            SkipMissingItems = await skipMissingItems.IfNoneAsync(false)
+        };
+    }
+}

ErsatzTV.Application/Configuration/Queries/GetXmltvSettings.cs

@@ -0,0 +1,3 @@
+namespace ErsatzTV.Application.Configuration;
+
+public record GetXmltvSettings : IRequest<XmltvSettingsViewModel>;

ErsatzTV.Application/Configuration/Queries/GetXmltvSettingsHandler.cs

@@ -0,0 +1,19 @@
+using ErsatzTV.Core.Domain;
+using ErsatzTV.Core.Interfaces.Repositories;
+
+namespace ErsatzTV.Application.Configuration;
+
+public class GetXmltvSettingsHandler(IConfigElementRepository configElementRepository)
+    : IRequestHandler<GetXmltvSettings, XmltvSettingsViewModel>
+{
+    public async Task<XmltvSettingsViewModel> Handle(GetXmltvSettings request, CancellationToken cancellationToken)
+    {
+        Option<XmltvTimeZone> maybeTimeZone =
+            await configElementRepository.GetValue<XmltvTimeZone>(ConfigElementKey.XmltvTimeZone);
+
+        return new XmltvSettingsViewModel
+        {
+            TimeZone = await maybeTimeZone.IfNoneAsync(XmltvTimeZone.Local)
+        };
+    }
+}

ErsatzTV.Application/Configuration/XmltvSettingsViewModel.cs

@@ -0,0 +1,6 @@
+namespace ErsatzTV.Application.Configuration;
+
+public class XmltvSettingsViewModel
+{
+    public XmltvTimeZone TimeZone { get; set; }
+}

ErsatzTV.Application/Configuration/XmltvTimeZone.cs

@@ -0,0 +1,7 @@
+namespace ErsatzTV.Application.Configuration;
+
+public enum XmltvTimeZone
+{
+    Local = 0,
+    Utc = 1
+}

ErsatzTV.Application/Emby/Commands/CallEmbyCollectionScannerHandler.cs

@@ -0,0 +1,83 @@
+using System.Globalization;
+using System.Threading.Channels;
+using ErsatzTV.Application.Libraries;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Errors;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.FFmpeg.Runtime;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Emby;
+
+public class CallEmbyCollectionScannerHandler : CallLibraryScannerHandler<SynchronizeEmbyCollections>,
+    IRequestHandler<SynchronizeEmbyCollections, Either<BaseError, Unit>>
+{
+    public CallEmbyCollectionScannerHandler(
+        IDbContextFactory<TvContext> dbContextFactory,
+        IConfigElementRepository configElementRepository,
+        ChannelWriter<ISearchIndexBackgroundServiceRequest> channel,
+        IMediator mediator,
+        IRuntimeInfo runtimeInfo) : base(dbContextFactory, configElementRepository, channel, mediator, runtimeInfo)
+    {
+    }
+
+    public async Task<Either<BaseError, Unit>>
+        Handle(SynchronizeEmbyCollections request, CancellationToken cancellationToken)
+    {
+        Validation<BaseError, string> validation = await Validate(request);
+        return await validation.Match(
+            scanner => PerformScan(scanner, request, cancellationToken),
+            error =>
+            {
+                foreach (ScanIsNotRequired scanIsNotRequired in error.OfType<ScanIsNotRequired>())
+                {
+                    return Task.FromResult<Either<BaseError, Unit>>(scanIsNotRequired);
+                }
+
+                return Task.FromResult<Either<BaseError, Unit>>(error.Join());
+            });
+    }
+
+    protected override async Task<DateTimeOffset> GetLastScan(TvContext dbContext, SynchronizeEmbyCollections request)
+    {
+        DateTime minDateTime = await dbContext.EmbyMediaSources
+            .SelectOneAsync(l => l.Id, l => l.Id == request.EmbyMediaSourceId)
+            .Match(l => l.LastCollectionsScan ?? SystemTime.MinValueUtc, () => SystemTime.MaxValueUtc);
+
+        return new DateTimeOffset(minDateTime, TimeSpan.Zero);
+    }
+
+    protected override bool ScanIsRequired(
+        DateTimeOffset lastScan,
+        int libraryRefreshInterval,
+        SynchronizeEmbyCollections request)
+    {
+        if (lastScan == SystemTime.MaxValueUtc)
+        {
+            return false;
+        }
+
+        DateTimeOffset nextScan = lastScan + TimeSpan.FromHours(libraryRefreshInterval);
+        return request.ForceScan || libraryRefreshInterval > 0 && nextScan < DateTimeOffset.Now;
+    }
+
+    private async Task<Either<BaseError, Unit>> PerformScan(
+        string scanner,
+        SynchronizeEmbyCollections request,
+        CancellationToken cancellationToken)
+    {
+        var arguments = new List<string>
+        {
+            "scan-emby-collections", request.EmbyMediaSourceId.ToString(CultureInfo.InvariantCulture)
+        };
+
+        if (request.ForceScan)
+        {
+            arguments.Add("--force");
+        }
+
+        return await base.PerformScan(scanner, arguments, cancellationToken).MapT(_ => Unit.Default);
+    }
+}

ErsatzTV.Application/Emby/Commands/CallEmbyLibraryScannerHandler.cs

@@ -0,0 +1,102 @@
+using System.Globalization;
+using System.Threading.Channels;
+using ErsatzTV.Application.Libraries;
+using ErsatzTV.Core;
+using ErsatzTV.Core.Errors;
+using ErsatzTV.Core.Interfaces.Repositories;
+using ErsatzTV.FFmpeg.Runtime;
+using ErsatzTV.Infrastructure.Data;
+using ErsatzTV.Infrastructure.Extensions;
+using Microsoft.EntityFrameworkCore;
+
+namespace ErsatzTV.Application.Emby;
+
+public class CallEmbyLibraryScannerHandler : CallLibraryScannerHandler<ISynchronizeEmbyLibraryById>,
+    IRequestHandler<ForceSynchronizeEmbyLibraryById, Either<BaseError, string>>,
+    IRequestHandler<SynchronizeEmbyLibraryByIdIfNeeded, Either<BaseError, string>>
+{
+    public CallEmbyLibraryScannerHandler(
+        IDbContextFactory<TvContext> dbContextFactory,
+        IConfigElementRepository configElementRepository,
+        ChannelWriter<ISearchIndexBackgroundServiceRequest> channel,
+        IMediator mediator,
+        IRuntimeInfo runtimeInfo)
+        : base(dbContextFactory, configElementRepository, channel, mediator, runtimeInfo)
+    {
+    }
+
+    Task<Either<BaseError, string>> IRequestHandler<ForceSynchronizeEmbyLibraryById, Either<BaseError, string>>.Handle(
+        ForceSynchronizeEmbyLibraryById request,
+        CancellationToken cancellationToken) => Handle(request, cancellationToken);
+
+    Task<Either<BaseError, string>> IRequestHandler<SynchronizeEmbyLibraryByIdIfNeeded, Either<BaseError, string>>.
+        Handle(
+            SynchronizeEmbyLibraryByIdIfNeeded request,
+            CancellationToken cancellationToken) => Handle(request, cancellationToken);
+
+    private async Task<Either<BaseError, string>> Handle(
+        ISynchronizeEmbyLibraryById request,
+        CancellationToken cancellationToken)
+    {
+        Validation<BaseError, string> validation = await Validate(request);
+        return await validation.Match(
+            scanner => PerformScan(scanner, request, cancellationToken),
+            error =>
+            {
+                foreach (ScanIsNotRequired scanIsNotRequired in error.OfType<ScanIsNotRequired>())
+                {
+                    return Task.FromResult<Either<BaseError, string>>(scanIsNotRequired);
+                }
+
+                return Task.FromResult<Either<BaseError, string>>(error.Join());
+            });
+    }
+
+    private async Task<Either<BaseError, string>> PerformScan(
+        string scanner,
+        ISynchronizeEmbyLibraryById request,
+        CancellationToken cancellationToken)
+    {
+        var arguments = new List<string>
+        {
+            "scan-emby", request.EmbyLibraryId.ToString(CultureInfo.InvariantCulture)
+        };
+
+        if (request.ForceScan)
+        {
+            arguments.Add("--force");
+        }
+
+        if (request.DeepScan)
+        {
+            arguments.Add("--deep");
+        }
+
+        return await base.PerformScan(scanner, arguments, cancellationToken);
+    }
+
+    protected override async Task<DateTimeOffset> GetLastScan(
+        TvContext dbContext,
+        ISynchronizeEmbyLibraryById request)
+    {
+        DateTime minDateTime = await dbContext.EmbyLibraries
+            .SelectOneAsync(l => l.Id, l => l.Id == request.EmbyLibraryId)
+            .Match(l => l.LastScan ?? SystemTime.MinValueUtc, () => SystemTime.MaxValueUtc);
+
+        return new DateTimeOffset(minDateTime, TimeSpan.Zero);
+    }
+
+    protected override bool ScanIsRequired(
+        DateTimeOffset lastScan,
+        int libraryRefreshInterval,
+        ISynchronizeEmbyLibraryById request)
+    {
+        if (lastScan == SystemTime.MaxValueUtc)
+        {
+            return false;
+        }
+
+        DateTimeOffset nextScan = lastScan + TimeSpan.FromHours(libraryRefreshInterval);
+        return request.ForceScan || libraryRefreshInterval > 0 && nextScan < DateTimeOffset.Now;
+    }
+}

ErsatzTV.Application/Emby/Commands/DisconnectEmby.cs

@@ -1,7 +1,5 @@
 using ErsatzTV.Core;
-using LanguageExt;
 
-namespace ErsatzTV.Application.Emby.Commands
-{
-    public record DisconnectEmby : MediatR.IRequest<Either<BaseError, Unit>>;
-}
+namespace ErsatzTV.Application.Emby;
+
+public record DisconnectEmby : IRequest<Either<BaseError, Unit>>;

ErsatzTV.Application/Emby/Commands/DisconnectEmbyHandler.cs

@@ -1,46 +1,41 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using ErsatzTV.Core;
+using ErsatzTV.Core;
 using ErsatzTV.Core.Domain;
 using ErsatzTV.Core.Interfaces.Emby;
 using ErsatzTV.Core.Interfaces.Locking;
 using ErsatzTV.Core.Interfaces.Repositories;
 using ErsatzTV.Core.Interfaces.Search;
-using LanguageExt;
 
-namespace ErsatzTV.Application.Emby.Commands
+namespace ErsatzTV.Application.Emby;
+
+public class DisconnectEmbyHandler : IRequestHandler<DisconnectEmby, Either<BaseError, Unit>>
 {
-    public class DisconnectEmbyHandler : MediatR.IRequestHandler<DisconnectEmby, Either<BaseError, Unit>>
+    private readonly IEmbySecretStore _embySecretStore;
+    private readonly IEntityLocker _entityLocker;
+    private readonly IMediaSourceRepository _mediaSourceRepository;
+    private readonly ISearchIndex _searchIndex;
+
+    public DisconnectEmbyHandler(
+        IMediaSourceRepository mediaSourceRepository,
+        IEmbySecretStore embySecretStore,
+        IEntityLocker entityLocker,
+        ISearchIndex searchIndex)
     {
-        private readonly IEmbySecretStore _embySecretStore;
-        private readonly IEntityLocker _entityLocker;
-        private readonly IMediaSourceRepository _mediaSourceRepository;
-        private readonly ISearchIndex _searchIndex;
+        _mediaSourceRepository = mediaSourceRepository;
+        _embySecretStore = embySecretStore;
+        _entityLocker = entityLocker;
+        _searchIndex = searchIndex;
+    }
 
-        public DisconnectEmbyHandler(
-            IMediaSourceRepository mediaSourceRepository,
-            IEmbySecretStore embySecretStore,
-            IEntityLocker entityLocker,
-            ISearchIndex searchIndex)
-        {
-            _mediaSourceRepository = mediaSourceRepository;
-            _embySecretStore = embySecretStore;
-            _entityLocker = entityLocker;
-            _searchIndex = searchIndex;
-        }
+    public async Task<Either<BaseError, Unit>> Handle(
+        DisconnectEmby request,
+        CancellationToken cancellationToken)
+    {
+        List<int> ids = await _mediaSourceRepository.DeleteAllEmby();
+        await _searchIndex.RemoveItems(ids);
+        _searchIndex.Commit();
+        await _embySecretStore.DeleteAll();
+        _entityLocker.UnlockRemoteMediaSource<EmbyMediaSource>();
 
-        public async Task<Either<BaseError, Unit>> Handle(
-            DisconnectEmby request,
-            CancellationToken cancellationToken)
-        {
-            List<int> ids = await _mediaSourceRepository.DeleteAllEmby();
-            await _searchIndex.RemoveItems(ids);
-            _searchIndex.Commit();
-            await _embySecretStore.DeleteAll();
-            _entityLocker.UnlockRemoteMediaSource<EmbyMediaSource>();
-
-            return Unit.Default;
-        }
+        return Unit.Default;
     }
 }

ErsatzTV.Application/Emby/Commands/SaveEmbySecrets.cs

@@ -1,8 +1,6 @@
 using ErsatzTV.Core;
 using ErsatzTV.Core.Emby;
-using LanguageExt;
 
-namespace ErsatzTV.Application.Emby.Commands
-{
-    public record SaveEmbySecrets(EmbySecrets Secrets) : MediatR.IRequest<Either<BaseError, Unit>>;
-}
+namespace ErsatzTV.Application.Emby;
+
+public record SaveEmbySecrets(EmbySecrets Secrets) : IRequest<Either<BaseError, Unit>>;