/// <summary>
/// コンストラクタ
/// </summary>
/// <example>
/// <code>
/// public ConcreteViewModel() : base(new ConcreteRecipe()) {
/// }
/// </code>
/// </example>
/// <param name="settings"></param>
/// <param name="logger"></param>
/// <param name="recipe">具象クラスで生成したレシピモデルインスタンス</param>
protected RecipeViewModelBase(IBaseSettings settings, ILogger logger, IRecipe recipe)
{
this._settings = settings;
this._logger = logger;
this.Recipe = recipe.AddTo(this.CompositeDisposable);
// Property
this.IngredientDisplayMode = this._settings.States.IngredientDisplayMode.ToReadOnlyReactiveProperty().AddTo(this.CompositeDisposable);
this.Id = this.Recipe.Id.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Url = this.Recipe.Url.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Title = this.Recipe.Title.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Photo = this.Recipe.Photo.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.PhotoFilePath =
this.Recipe
.PhotoFilePath
.Where(x => x != null)
.Select(x => Path.Combine(this._settings.GeneralSettings.ImageDirectoryPath, x))
.ToReadOnlyReactiveProperty()
.AddTo(this.CompositeDisposable);
this.Thumbnail = this.Recipe.Thumbnail.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.ThumbnailFilePath =
this.Recipe
.ThumbnailFilePath
.Where(x => x != null)
.Select(x => Path.Combine(this._settings.GeneralSettings.ImageDirectoryPath, x))
.ToReadOnlyReactiveProperty()
.AddTo(this.CompositeDisposable);
this.Description = this.Recipe.Description.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Yield = this.Recipe.Yield.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.AdjustmentedYield = this.Recipe.AdjustedYeild.ToReadOnlyReactiveProperty().AddTo(this.CompositeDisposable);
this.Ingredients = this.Recipe.Ingredients.ToReadOnlyReactiveCollection().AddTo(this.CompositeDisposable);
this.ShoppingList = this.Recipe.ShoppingList.ToReadOnlyReactiveProperty().AddTo(this.CompositeDisposable);
this.ShoppingInformationIncludedIngredients = this.Recipe.ShoppingInformationIncludedIngredients.ToReadOnlyReactiveProperty().AddTo(this.CompositeDisposable);
this.Steps = this.Recipe.Steps.ToReadOnlyReactiveCollection().AddTo(this.CompositeDisposable);
this.Adjustment = this.Recipe.Adjustment.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Memo = this.Recipe.Memo.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.RequiredTime = this.Recipe.RequiredTime.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.RegistrationDate = this.Recipe.RegistrationDate.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Tags = this.Recipe.Tags.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
this.Ratings = this.Recipe.Ratings.ToReadOnlyReactiveCollection().AddTo(this.CompositeDisposable);
this.IsArchived = this.Recipe.IsArchived.ToReactivePropertyAsSynchronized(x => x.Value).AddTo(this.CompositeDisposable);
// Command
// レシピダウンロード
this.DownloadCommand.Subscribe(async messenger => {
var disposable =
this.Recipe.FailedNotification
.Where(x => x.Behavior == Behavior.Download)
.Subscribe(x => {
this._logger.Log(LogLevel.Warning, $"レシピダウンロード失敗 レシピURL={x.Sender.Url.Value}", x.Exception);
using (var vm = new DialogWindowViewModel("失敗通知", "レシピのダウンロードに失敗しました。", DialogWindowViewModel.DialogResult.Ok)) {
(messenger ?? this.Messenger).Raise(new TransitionMessage(vm, "OpenDialogWindow"));
}
});
using (disposable) {
await this.Recipe.DownloadRecipeAsync();
}
}).AddTo(this.CompositeDisposable);
// レシピ登録
this.RegisterRecipeCommand.Subscribe(async messenger => {
var disposable =
this.Recipe.FailedNotification
.Where(x => x.Behavior == Behavior.Register)
.Subscribe(x => {
this._logger.Log(LogLevel.Warning, $"レシピ登録失敗 レシピID={x.Sender.Id.Value}", x.Exception);
using (var vm = new DialogWindowViewModel("失敗通知", "レシピの登録に失敗しました。", DialogWindowViewModel.DialogResult.Ok)) {
(messenger ?? this.Messenger).Raise(new TransitionMessage(vm, "OpenDialogWindow"));
}
});
using (disposable) {
await this.Recipe.RegistAsync();
}
}).AddTo(this.CompositeDisposable);
// レシピ削除
this.DeleteRecipeCommand.Subscribe(async messenger => {
var disposable =
this.Recipe.FailedNotification
.Where(x => x.Behavior == Behavior.Delete)
.Subscribe(x => {
this._logger.Log(LogLevel.Warning, $"レシピ削除失敗 レシピID={x.Sender.Id.Value}", x.Exception);
using (var vm = new NotifyWindowViewModel("このレシピを使用している食事があるため、レシピの削除に失敗しました。", 5)) {
(messenger ?? this.Messenger).Raise(new TransitionMessage(vm, "OpenNotifyWindow"));
}
});
using (disposable) {
await this.Recipe.DeleteAsync();
}
}).AddTo(this.CompositeDisposable);
// レシピビュワーで表示
this.OpenRecipeDetailCommand.Subscribe(() => {
settings.States.RecipesInRecipeViewer.Add(new RecipeInformation(this.Recipe.Id.Value, this.Adjustment.Value));
}).AddTo(this.CompositeDisposable);
// レシピ読み込み
this.LoadRecipeCommand = this.Id.Select(x => x != 0).ToReactiveCommand().AddTo(this.CompositeDisposable);
this.LoadRecipeCommand.ObserveOnUIDispatcher().Subscribe(_ => this.Recipe.Load()).AddTo(this.CompositeDisposable);
// レシピ材料追加
this.InsertIngredientCommand.Subscribe(index => {
this.Recipe.InsertIngredient(index);
}).AddTo(this.CompositeDisposable);
// レシピ手順追加
this.InsertStepCommand.Subscribe(index => {
this.Recipe.InsertStep(index);
}).AddTo(this.CompositeDisposable);
// レシピ材料削除
this.RemoveIngredientCommand.Subscribe(index => {
this.Recipe.RemoveIngredientAt(index);
}).AddTo(this.CompositeDisposable);
// レシピ手順削除
this.RemoveStepCommand.Subscribe(index => {
this.Recipe.RemoveStepAt(index);
}).AddTo(this.CompositeDisposable);
// アーカイブ
this.ArchiveCommand = this.IsArchived.Select(x => !x).ToReactiveCommand().AddTo(this.CompositeDisposable);
this.ArchiveCommand.Subscribe(this.Recipe.Archive).AddTo(this.CompositeDisposable);
// アーカイブ解除
this.UnarchiveCommand = this.IsArchived.ToReactiveCommand().AddTo(this.CompositeDisposable);
this.UnarchiveCommand.Subscribe(this.Recipe.Unarchive).AddTo(this.CompositeDisposable);
// エラー時対処
this.Recipe.FailedNotification.Where(x => x.Behavior == Behavior.Load).Subscribe(x => {
// 抽象化の諦め
// 他クライアントからの変更通知で例外が発生した場合、メッセージを表示するための画面を特定できず、LivetのMessengerを渡すのが困難なため。
this._logger.Log(LogLevel.Warning, $"レシピ読み込み失敗 レシピID={x.Sender.Id.Value}", x.Exception);
using (var vm = new DialogWindowViewModel("失敗通知", "レシピの読み込みに失敗しました。", DialogWindowViewModel.DialogResult.Ok)) {
var dialog = new DialogWindow()
{
DataContext = vm
};
DispatcherHelper.UIDispatcher.Invoke(() => {
dialog.ShowDialog();
});
}
}).AddTo(this.CompositeDisposable);
}
