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65 lines
2.6 KiB
65 lines
2.6 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Dapper;
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using NzbDrone.Core.Books;
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using NzbDrone.Core.Datastore;
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using NzbDrone.Core.MediaFiles;
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namespace NzbDrone.Core.AuthorStats
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{
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public interface IAuthorStatisticsRepository
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{
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List<BookStatistics> AuthorStatistics();
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List<BookStatistics> AuthorStatistics(int authorId);
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}
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public class AuthorStatisticsRepository : IAuthorStatisticsRepository
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{
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private const string _selectTemplate = "SELECT /**select**/ FROM \"Editions\" /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/ /**groupby**/ /**having**/ /**orderby**/";
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private readonly IMainDatabase _database;
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public AuthorStatisticsRepository(IMainDatabase database)
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{
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_database = database;
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}
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public List<BookStatistics> AuthorStatistics()
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{
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return Query(Builder());
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}
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public List<BookStatistics> AuthorStatistics(int authorId)
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{
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return Query(Builder().Where<Author>(x => x.Id == authorId));
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}
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private List<BookStatistics> Query(SqlBuilder builder)
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{
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var sql = builder.AddTemplate(_selectTemplate).LogQuery();
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using (var conn = _database.OpenConnection())
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{
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return conn.Query<BookStatistics>(sql.RawSql, sql.Parameters).ToList();
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}
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}
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private SqlBuilder Builder() => new SqlBuilder(_database.DatabaseType)
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.Select(@"""Authors"".""Id"" AS ""AuthorId"",
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""Books"".""Id"" AS ""BookId"",
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SUM(COALESCE(""BookFiles"".""Size"", 0)) AS ""SizeOnDisk"",
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1 AS ""TotalBookCount"",
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CASE WHEN MIN(""BookFiles"".""Id"") IS NULL THEN 0 ELSE 1 END AS ""AvailableBookCount"",
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CASE WHEN (""Books"".""Monitored"" = true AND (""Books"".""ReleaseDate"" < @currentDate) OR ""Books"".""ReleaseDate"" IS NULL) OR MIN(""BookFiles"".""Id"") IS NOT NULL THEN 1 ELSE 0 END AS ""BookCount"",
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CASE WHEN MIN(""BookFiles"".""Id"") IS NULL THEN 0 ELSE COUNT(""BookFiles"".""Id"") END AS ""BookFileCount""")
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.Join<Edition, Book>((e, b) => e.BookId == b.Id)
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.Join<Book, Author>((book, author) => book.AuthorMetadataId == author.AuthorMetadataId)
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.LeftJoin<Edition, BookFile>((t, f) => t.Id == f.EditionId)
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.Where<Edition>(x => x.Monitored == true)
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.GroupBy<Author>(x => x.Id)
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.GroupBy<Book>(x => x.Id)
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.AddParameters(new Dictionary<string, object> { { "currentDate", DateTime.UtcNow } });
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}
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}
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