Initial commit

ErsatzTV.Application/MediaSources/Queries/CountMediaItemsById.cs

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+using MediatR;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public record CountMediaItemsById(int MediaSourceId) : IRequest<int>;
+}

ErsatzTV.Application/MediaSources/Queries/CountMediaItemsByIdHandler.cs

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+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using MediatR;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public class CountMediaItemsByIdHandler : IRequestHandler<CountMediaItemsById, int>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public CountMediaItemsByIdHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<int> Handle(CountMediaItemsById request, CancellationToken cancellationToken) =>
+            _mediaSourceRepository.CountMediaItems(request.MediaSourceId);
+    }
+}

ErsatzTV.Application/MediaSources/Queries/GetAllMediaSources.cs

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+using System.Collections.Generic;
+using MediatR;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public record GetAllMediaSources : IRequest<List<MediaSourceViewModel>>;
+}

ErsatzTV.Application/MediaSources/Queries/GetAllMediaSourcesHandler.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using MediatR;
+using static ErsatzTV.Application.MediaSources.Mapper;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public class GetAllMediaSourcesHandler : IRequestHandler<GetAllMediaSources, List<MediaSourceViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetAllMediaSourcesHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public async Task<List<MediaSourceViewModel>> Handle(
+            GetAllMediaSources request,
+            CancellationToken cancellationToken) =>
+            (await _mediaSourceRepository.GetAll()).Map(ProjectToViewModel).ToList();
+    }
+}

ErsatzTV.Application/MediaSources/Queries/GetAllPlexMediaSources.cs

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+using System.Collections.Generic;
+using MediatR;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public record GetAllPlexMediaSources : IRequest<List<PlexMediaSourceViewModel>>;
+}

ErsatzTV.Application/MediaSources/Queries/GetAllPlexMediaSourcesHandler.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.MediaSources.Mapper;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public class GetAllPlexMediaSourcesHandler : IRequestHandler<GetAllPlexMediaSources, List<PlexMediaSourceViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetAllPlexMediaSourcesHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<List<PlexMediaSourceViewModel>> Handle(
+            GetAllPlexMediaSources request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.GetAllPlex().Map(list => list.Map(ProjectToViewModel).ToList());
+    }
+}

ErsatzTV.Application/MediaSources/Queries/GetMediaSourceById.cs

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+using LanguageExt;
+using MediatR;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public record GetMediaSourceById(int Id) : IRequest<Option<MediaSourceViewModel>>;
+}

ErsatzTV.Application/MediaSources/Queries/GetMediaSourceByIdHandler.cs

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+using System.Threading;
+using System.Threading.Tasks;
+using ErsatzTV.Core.Interfaces.Repositories;
+using LanguageExt;
+using MediatR;
+using static ErsatzTV.Application.MediaSources.Mapper;
+
+namespace ErsatzTV.Application.MediaSources.Queries
+{
+    public class GetMediaSourceByIdHandler : IRequestHandler<GetMediaSourceById, Option<MediaSourceViewModel>>
+    {
+        private readonly IMediaSourceRepository _mediaSourceRepository;
+
+        public GetMediaSourceByIdHandler(IMediaSourceRepository mediaSourceRepository) =>
+            _mediaSourceRepository = mediaSourceRepository;
+
+        public Task<Option<MediaSourceViewModel>> Handle(
+            GetMediaSourceById request,
+            CancellationToken cancellationToken) =>
+            _mediaSourceRepository.Get(request.Id)
+                .MapT(ProjectToViewModel);
+    }
+}