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90 lines
3.4 KiB
90 lines
3.4 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 CleanupOrphanedMetadataFiles : IHousekeepingTask
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{
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private readonly IMainDatabase _database;
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public CleanupOrphanedMetadataFiles(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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DeleteOrphanedByAuthor();
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DeleteOrphanedByBook();
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DeleteOrphanedByTrackFile();
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DeleteWhereBookIdIsZero();
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DeleteWhereTrackFileIsZero();
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}
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private void DeleteOrphanedByAuthor()
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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 ""MetadataFiles"".""Id"" FROM ""MetadataFiles""
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LEFT OUTER JOIN ""Authors""
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ON ""MetadataFiles"".""AuthorId"" = ""Authors"".""Id""
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WHERE ""Authors"".""Id"" IS NULL)");
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}
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}
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private void DeleteOrphanedByBook()
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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 ""MetadataFiles"".""Id"" FROM ""MetadataFiles""
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LEFT OUTER JOIN ""Books""
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ON ""MetadataFiles"".""BookId"" = ""Books"".""Id""
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WHERE ""MetadataFiles"".""BookId"" > 0
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AND ""Books"".""Id"" IS NULL)");
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}
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}
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private void DeleteOrphanedByTrackFile()
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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 ""MetadataFiles"".""Id"" FROM ""MetadataFiles""
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LEFT OUTER JOIN ""BookFiles""
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ON ""MetadataFiles"".""BookFileId"" = ""BookFiles"".""Id""
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WHERE ""MetadataFiles"".""BookFileId"" > 0
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AND ""BookFiles"".""Id"" IS NULL)");
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}
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}
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private void DeleteWhereBookIdIsZero()
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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 ""Id"" FROM ""MetadataFiles""
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WHERE ""Type"" IN (2, 4)
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AND ""BookId"" = 0)");
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}
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}
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private void DeleteWhereTrackFileIsZero()
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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 ""Id"" FROM ""MetadataFiles""
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WHERE ""Type"" IN (2, 4)
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AND ""BookFileId"" = 0)");
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}
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}
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}
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}
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