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65 lines
2.3 KiB
65 lines
2.3 KiB
using Dapper;
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using NzbDrone.Core.Datastore;
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namespace NzbDrone.Core.Housekeeping.Housekeepers
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{
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public class CleanupDuplicateMetadataFiles : IHousekeepingTask
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{
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private readonly IMainDatabase _database;
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public CleanupDuplicateMetadataFiles(IMainDatabase database)
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{
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_database = database;
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}
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public void Clean()
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{
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DeleteDuplicateAuthorMetadata();
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DeleteDuplicateBookMetadata();
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DeleteDuplicateBookFileMetadata();
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}
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private void DeleteDuplicateAuthorMetadata()
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{
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using (var mapper = _database.OpenConnection())
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{
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" = 1
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GROUP BY ""AuthorId"", ""Consumer""
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HAVING COUNT(""AuthorId"") > 1
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)");
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}
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}
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private void DeleteDuplicateBookMetadata()
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{
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using (var mapper = _database.OpenConnection())
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{
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" IN (2, 4)
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GROUP BY ""BookId"", ""Consumer""
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HAVING COUNT(""BookId"") > 1
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)");
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}
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}
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private void DeleteDuplicateBookFileMetadata()
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{
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using (var mapper = _database.OpenConnection())
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{
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" IN (2, 4)
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GROUP BY ""BookFileId"", ""Consumer""
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HAVING COUNT(""BookFileId"") > 1
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)");
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}
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}
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}
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}
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