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Swap to dapper with lazyload

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This commit is contained in:
ta264
2020-02-21 16:23:16 +00:00
parent 251f69fdfc
commit b50b0a1411
131 changed files with 3158 additions and 2439 deletions
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src/NzbDrone.Core/ArtistStats/ArtistStatisticsRepository.cs
+30 -41
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@@ -1,7 +1,10 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using Dapper;
using NzbDrone.Core.Datastore;
using NzbDrone.Core.MediaFiles;
using NzbDrone.Core.Music;
namespace NzbDrone.Core.ArtistStats
{
@@ -13,6 +16,8 @@ namespace NzbDrone.Core.ArtistStats
public class ArtistStatisticsRepository : IArtistStatisticsRepository
{
private const string _selectTemplate = "SELECT /**select**/ FROM Tracks /**join**/ /**innerjoin**/ /**leftjoin**/ /**where**/ /**groupby**/ /**having**/ /**orderby**/";
private readonly IMainDatabase _database;
public ArtistStatisticsRepository(IMainDatabase database)
@@ -22,57 +27,41 @@ namespace NzbDrone.Core.ArtistStats
public List<AlbumStatistics> ArtistStatistics()
{
var mapper = _database.GetDataMapper();
mapper.AddParameter("currentDate", DateTime.UtcNow);
var sb = new StringBuilder();
sb.AppendLine(GetSelectClause());
sb.AppendLine("AND Albums.ReleaseDate < @currentDate");
sb.AppendLine(GetGroupByClause());
var queryText = sb.ToString();
return mapper.Query<AlbumStatistics>(queryText);
var time = DateTime.UtcNow;
return Query(Builder().Where<Album>(x => x.ReleaseDate < time));
}
public List<AlbumStatistics> ArtistStatistics(int artistId)
{
var mapper = _database.GetDataMapper();
mapper.AddParameter("currentDate", DateTime.UtcNow);
mapper.AddParameter("artistId", artistId);
var sb = new StringBuilder();
sb.AppendLine(GetSelectClause());
sb.AppendLine("AND Artists.Id = @artistId");
sb.AppendLine("AND Albums.ReleaseDate < @currentDate");
sb.AppendLine(GetGroupByClause());
var queryText = sb.ToString();
return mapper.Query<AlbumStatistics>(queryText);
var time = DateTime.UtcNow;
return Query(Builder().Where<Album>(x => x.ReleaseDate < time)
.Where<Artist>(x => x.Id == artistId));
}
private string GetSelectClause()
private List<AlbumStatistics> Query(SqlBuilder builder)
{
return @"SELECT
Artists.Id AS ArtistId,
var sql = builder.AddTemplate(_selectTemplate).LogQuery();
using (var conn = _database.OpenConnection())
{
return conn.Query<AlbumStatistics>(sql.RawSql, sql.Parameters).ToList();
}
}
private SqlBuilder Builder() => new SqlBuilder()
.Select(@"Artists.Id AS ArtistId,
Albums.Id AS AlbumId,
SUM(COALESCE(TrackFiles.Size, 0)) AS SizeOnDisk,
COUNT(Tracks.Id) AS TotalTrackCount,
SUM(CASE WHEN Tracks.TrackFileId > 0 THEN 1 ELSE 0 END) AS AvailableTrackCount,
SUM(CASE WHEN Albums.Monitored = 1 OR Tracks.TrackFileId > 0 THEN 1 ELSE 0 END) AS TrackCount,
SUM(CASE WHEN TrackFiles.Id IS NULL THEN 0 ELSE 1 END) AS TrackFileCount
FROM Tracks
JOIN AlbumReleases ON Tracks.AlbumReleaseId = AlbumReleases.Id
JOIN Albums ON AlbumReleases.AlbumId = Albums.Id
JOIN Artists on Albums.ArtistMetadataId = Artists.ArtistMetadataId
LEFT OUTER JOIN TrackFiles ON Tracks.TrackFileId = TrackFiles.Id
WHERE AlbumReleases.Monitored = 1";
}
private string GetGroupByClause()
{
return "GROUP BY Artists.Id, Albums.Id";
}
SUM(CASE WHEN TrackFiles.Id IS NULL THEN 0 ELSE 1 END) AS TrackFileCount")
.Join<Track, AlbumRelease>((t, r) => t.AlbumReleaseId == r.Id)
.Join<AlbumRelease, Album>((r, a) => r.AlbumId == a.Id)
.Join<Album, Artist>((album, artist) => album.ArtistMetadataId == artist.ArtistMetadataId)
.LeftJoin<Track, TrackFile>((t, f) => t.TrackFileId == f.Id)
.Where<AlbumRelease>(x => x.Monitored == true)
.GroupBy<Artist>(x => x.Id)
.GroupBy<Album>(x => x.Id);
}
}