Stream custom live channels using your own media
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using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using Dapper;
using ErsatzTV.Core.Domain;
using ErsatzTV.Core.Interfaces.Repositories;
using LanguageExt;
namespace ErsatzTV.Infrastructure.Data.Repositories
{
public class ArtworkRepository : IArtworkRepository
{
private readonly IDbConnection _dbConnection;
public ArtworkRepository(IDbConnection dbConnection) => _dbConnection = dbConnection;
public Task<List<Artwork>> GetOrphanedArtwork() =>
_dbConnection.QueryAsync<Artwork>(
@"SELECT A.Id, A.Path FROM Artwork A
WHERE A.ArtistMetadataId IS NULL AND A.EpisodeMetadataId IS NULL
AND A.SeasonMetadataId IS NULL AND A.ShowMetadataId IS NULL
AND A.MovieMetadataId IS NULL AND A.MusicVideoMetadataId IS NULL
AND A.SongMetadataId IS NULL AND A.ChannelId IS NULL
AND NOT EXISTS (SELECT * FROM Actor WHERE Actor.ArtworkId = A.Id)")
.Map(result => result.ToList());
public async Task<Unit> Delete(List<Artwork> artwork)
{
IEnumerable<List<int>> chunks = Chunk(artwork.Map(a => a.Id), 100);
foreach (List<int> chunk in chunks)
{
await _dbConnection.ExecuteAsync(
"DELETE FROM Artwork WHERE Id IN @Ids",
new { Ids = chunk });
}
return Unit.Default;
}
private static IEnumerable<List<T>> Chunk<T>(IEnumerable<T> collection, int size)
{
var count = 0;
var chunk = new List<T>(size);
foreach (T element in collection)
{
if (count++ == size)
{
yield return chunk;
chunk = new List<T>(size);
count = 1;
}
chunk.Add(element);
}
yield return chunk;
}
}
}