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using System.Linq;
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using Marr.Data.QGen;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Datastore;
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using NzbDrone.Core.Messaging.Events;
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namespace NzbDrone.Core.Music
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{
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public interface IArtistRepository : IBasicRepository<Artist>
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{
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bool ArtistPathExists(string path);
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Artist FindByName(string cleanName);
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Artist FindById(string foreignArtistId);
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Artist GetArtistByMetadataId(int artistMetadataId);
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}
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public class ArtistRepository : BasicRepository<Artist>, IArtistRepository
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{
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public ArtistRepository(IMainDatabase database, IEventAggregator eventAggregator)
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: base(database, eventAggregator)
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{
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}
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// Always explicitly join with ArtistMetadata to populate Metadata without repeated LazyLoading
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protected override QueryBuilder<Artist> Query => DataMapper.Query<Artist>().Join<Artist, ArtistMetadata>(JoinType.Inner, a => a.Metadata, (l, r) => l.ArtistMetadataId == r.Id);
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public bool ArtistPathExists(string path)
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{
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return Query.Where(c => c.Path == path).Any();
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}
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public Artist FindById(string foreignArtistId)
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{
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var artist = Query.Where<ArtistMetadata>(m => m.ForeignArtistId == foreignArtistId).SingleOrDefault();
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if (artist == null)
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{
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var id = "\"" + foreignArtistId + "\"";
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artist = Query.Where<ArtistMetadata>(x => x.OldForeignArtistIds.Contains(id))
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.SingleOrDefault();
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}
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return artist;
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}
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public Artist FindByName(string cleanName)
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{
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cleanName = cleanName.ToLowerInvariant();
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return Query.Where(s => s.CleanName == cleanName).ExclusiveOrDefault();
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}
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public Artist GetArtistByMetadataId(int artistMetadataId)
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{
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return Query.Where(s => s.ArtistMetadataId == artistMetadataId).SingleOrDefault();
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}
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}
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}
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