ErsatzTV/ErsatzTV.Application/MediaCollections/Mapper.cs

using ErsatzTV.Core.Domain;

namespace ErsatzTV.Application.MediaCollections;

internal static class Mapper
{
    internal static MediaCollectionViewModel ProjectToViewModel(Collection collection) =>
        new(collection.Id, collection.Name, collection.UseCustomPlaybackOrder, MediaItemState.Normal);

    internal static MultiCollectionViewModel ProjectToViewModel(MultiCollection multiCollection) =>
        new(
            multiCollection.Id,
            multiCollection.Name,
            Optional(multiCollection.MultiCollectionItems).Flatten().Map(ProjectToViewModel).ToList(),
            Optional(multiCollection.MultiCollectionSmartItems).Flatten().Map(ProjectToViewModel).ToList());

    internal static SmartCollectionViewModel ProjectToViewModel(SmartCollection collection) =>
        new(collection.Id, collection.Name, collection.Query);

    internal static TraktListViewModel ProjectToViewModel(TraktList traktList) =>
        new(
            traktList.Id,
            traktList.TraktId,
            $"{traktList.User}/{traktList.List}",
            traktList.Name,
            traktList.ItemCount,
            traktList.Items.Count(i => i.MediaItemId.HasValue));

    private static MultiCollectionItemViewModel ProjectToViewModel(MultiCollectionItem multiCollectionItem) =>
        new(
            multiCollectionItem.MultiCollectionId,
            ProjectToViewModel(multiCollectionItem.Collection),
            multiCollectionItem.ScheduleAsGroup,
            multiCollectionItem.PlaybackOrder);

    private static MultiCollectionSmartItemViewModel ProjectToViewModel(
        MultiCollectionSmartItem multiCollectionSmartItem) =>
        new(
            multiCollectionSmartItem.MultiCollectionId,
            ProjectToViewModel(multiCollectionSmartItem.SmartCollection),
            multiCollectionSmartItem.ScheduleAsGroup,
            multiCollectionSmartItem.PlaybackOrder);
}