From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Thu, 19 Apr 2012 14:10:23 +0000 (+0200)
Subject: Add method to get all groups by artist.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=5f24f213aebba016708f1794d012d3e4189c487b;hp=c7e1e8bf548d6f0b94156bf81bbf804bc8a80a1c;p=demoscenemusic.git

Add method to get all groups by artist.
---

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
index d1a8769..85f35fa 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
@@ -118,6 +118,14 @@ public class DataManager {
 		return trackLoader.all();
 	}
 
+	public Collection<Group> getGroupsByArtist(String artistId) throws DatabaseException {
+		Query query = new Query(Type.SELECT, "GROUPS");
+		query.addField(new Field("GROUPS.*"));
+		query.addJoin(new Join(JoinType.INNER, "GROUP_ARTISTS", new Field("GROUPS.ID"), new Field("GROUP_ARTISTS.GROUP_")));
+		query.addWhereClause(new ValueFieldWhereClause(new ValueField("GROUP_ARTISTS.ARTIST", new StringParameter(artistId))));
+		return database.getMultiple(query, DefaultGroup.CREATOR);
+	}
+
 	private class TrackLoader implements ResultProcessor {
 
 		private final List<Track> loadedTracks = new ArrayList<Track>();