61 lines
1.2 KiB
C#
61 lines
1.2 KiB
C#
using System.Reactive.Linq;
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using System.Reactive.Subjects;
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using ReactiveUI;
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namespace InkForge.Desktop.Models;
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public class Note : ReactiveObject
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{
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private readonly ObservableAsPropertyHelper<Note?> _parent;
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private readonly BehaviorSubject<int?> _parentId = new(default);
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private DateTimeOffset _createdTime;
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private int _id;
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private string _name = default!;
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private DateTimeOffset _updatedTime;
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public DateTimeOffset CreatedTime
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{
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get => _createdTime;
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set => this.RaiseAndSetIfChanged(ref _createdTime, value);
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}
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public int Id
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{
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get => _id;
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set => this.RaiseAndSetIfChanged(ref _id, value);
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}
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public string Name
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{
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get => _name;
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set => this.RaiseAndSetIfChanged(ref _name, value);
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}
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public DateTimeOffset UpdatedTime
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{
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get => _updatedTime;
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set => this.RaiseAndSetIfChanged(ref _updatedTime, value);
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}
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public Note? Parent
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{
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get => _parent.Value;
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set => ParentId = value?.Id;
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}
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public int? ParentId
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{
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get => _parentId.Value;
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set => _parentId.OnNext(value);
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}
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public Note(NoteStore noteStore)
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{
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_parent = _parentId.Select(id => id switch
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{
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{ } => noteStore.Watch((int)id),
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_ => Observable.Empty<Note?>(),
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}).Switch(null).ToProperty(this, nameof(Parent), deferSubscription: true);
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}
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}
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