add smart collections (#355)

* start to add smart collections

* add smart collection table; delete smart collection

* overwrite smart collections

* support scheduling smart collections

* update changelog

ErsatzTV/Pages/Search.razor

@@ -5,7 +5,6 @@
 @using ErsatzTV.Application.Search
 @using ErsatzTV.Application.Search.Queries
 @using ErsatzTV.Extensions
-@using Microsoft.AspNetCore.WebUtilities
 @using Unit = LanguageExt.Unit
 @inherits MultiSelectBase<Search>
 @inject NavigationManager _navigationManager
@@ -60,12 +59,22 @@
                 <MudLink Class="ml-4" Href="@(_navigationManager.Uri.Split("#").Head() + "#music_videos")" Style="margin-bottom: auto; margin-top: auto">@_musicVideos.Count Music Videos</MudLink>
             }
             <div style="margin-left: auto">
-                <MudButton Variant="Variant.Filled"
-                           Color="Color.Primary"
-                           StartIcon="@Icons.Material.Filled.Add"
-                           OnClick="@AddAllToCollection">
-                    Add All To Collection
-                </MudButton>
+                <MudTooltip Text="Add All To Collection">
+                    <MudButton Variant="Variant.Filled"
+                               Color="Color.Primary"
+                               StartIcon="@Icons.Material.Filled.Add"
+                               OnClick="@AddAllToCollection">
+                        Add All
+                    </MudButton>
+                </MudTooltip>
+                <MudTooltip Text="Save As Smart Collection">
+                    <MudButton Class="ml-3" Variant="Variant.Filled"
+                               Color="Color.Secondary"
+                               StartIcon="@Icons.Material.Filled.Save"
+                               OnClick="@SaveAsSmartCollection">
+                        Save As
+                    </MudButton>
+                </MudTooltip>
             </div>
         }
     </div>
@@ -415,4 +424,33 @@
         await AddItemsToCollection(results.MovieIds, results.ShowIds, results.EpisodeIds, results.ArtistIds, results.MusicVideoIds, "search results");
     }
 
+    private async Task SaveAsSmartCollection(MouseEventArgs _)
+    {
+        var options = new DialogOptions { CloseButton = true, MaxWidth = MaxWidth.ExtraSmall };
+
+        IDialogReference dialog = Dialog.Show<SaveAsSmartCollectionDialog>("Save As Smart Collection", options);
+        DialogResult result = await dialog.Result;
+        if (!result.Cancelled && result.Data is SmartCollectionViewModel collection)
+        {
+            var request = new UpdateSmartCollection(
+                collection.Id,
+                _query);
+
+            Either<BaseError, Unit> updateResult = await Mediator.Send(request);
+            updateResult.Match(
+                Left: error =>
+                {
+                    Snackbar.Add($"Unexpected error saving smart collection: {error.Value}");
+                    Logger.LogError("Unexpected error saving smart collection: {Error}", error.Value);
+                },
+                Right: _ =>
+                {
+                    Snackbar.Add(
+                        $"Saved smart collection {collection.Name}",
+                        Severity.Success);
+                    ClearSelection();
+                });
+        }
+    }
+
 }