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 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;
}
}
}