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39 lines
1.2 KiB
39 lines
1.2 KiB
using ErsatzTV.Core.Domain; |
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using ErsatzTV.Core.Interfaces.Scheduling; |
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namespace ErsatzTV.Core.Scheduling; |
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public class CustomOrderCollectionEnumerator : IMediaCollectionEnumerator |
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{ |
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private readonly Collection _collection; |
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private readonly IList<MediaItem> _sortedMediaItems; |
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public CustomOrderCollectionEnumerator( |
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Collection collection, |
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IList<MediaItem> mediaItems, |
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CollectionEnumeratorState state) |
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{ |
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_collection = collection; |
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// TODO: this will break if we allow shows and seasons |
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_sortedMediaItems = collection.CollectionItems |
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.OrderBy(ci => ci.CustomIndex) |
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.Map(ci => mediaItems.First(mi => mi.Id == ci.MediaItemId)) |
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.ToList(); |
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State = new CollectionEnumeratorState { Seed = state.Seed }; |
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while (State.Index < state.Index) |
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{ |
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MoveNext(); |
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} |
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} |
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public CollectionEnumeratorState State { get; } |
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public Option<MediaItem> Current => _sortedMediaItems.Any() ? _sortedMediaItems[State.Index] : None; |
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public void MoveNext() => State.Index = (State.Index + 1) % _sortedMediaItems.Count; |
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public Option<MediaItem> Peek(int offset) => |
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throw new NotSupportedException(); |
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}
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