42 lines
1.3 KiB
C#
42 lines
1.3 KiB
C#
using ErsatzTV.Application.MediaItems;
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using ErsatzTV.Core.Domain;
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using ErsatzTV.Infrastructure.Data;
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using Microsoft.EntityFrameworkCore;
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using static ErsatzTV.Application.MediaItems.Mapper;
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namespace ErsatzTV.Application.Artists;
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public class GetAllArtistsHandler : IRequestHandler<GetAllArtists, List<NamedMediaItemViewModel>>
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{
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private readonly IDbContextFactory<TvContext> _dbContextFactory;
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public GetAllArtistsHandler(IDbContextFactory<TvContext> dbContextFactory) => _dbContextFactory = dbContextFactory;
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public async Task<List<NamedMediaItemViewModel>> Handle(
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GetAllArtists request,
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CancellationToken cancellationToken)
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{
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await using TvContext dbContext = await _dbContextFactory.CreateDbContextAsync(cancellationToken);
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List<Artist> allArtists = await dbContext.Artists
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.AsNoTracking()
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.Include(a => a.ArtistMetadata)
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.ToListAsync(cancellationToken);
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return allArtists.Bind(a => ProjectArtist(a)).ToList();
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}
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private static Option<NamedMediaItemViewModel> ProjectArtist(Artist a)
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{
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foreach (ArtistMetadata metadata in a.ArtistMetadata.HeadOrNone())
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{
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if (!string.IsNullOrWhiteSpace(metadata.Title))
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{
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return ProjectToViewModel(a);
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}
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}
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return None;
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}
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}
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