From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Thu, 19 Apr 2012 14:29:24 +0000 (+0200)
Subject: Add method to get all artists for a group.
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=0b253d8c5d8b773760aca1ad3996f2a0e95e0f44;p=demoscenemusic.git

Add method to get all artists for a group.
---

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
index 5554f76..b56634f 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
@@ -76,6 +76,14 @@ public class DataManager {
 		return artistLoader.get();
 	}
 
+	public Collection<Artist> getArtistsByGroup(String groupId) throws DatabaseException {
+		Query query = new Query(Type.SELECT, "ARTISTS");
+		query.addField(new Field("ARTISTS.*"));
+		query.addJoin(new Join(JoinType.INNER, "GROUP_ARTISTS", new Field("ARTISTS.ID"), new Field("GROUP_ARTISTS.ARTIST")));
+		query.addWhereClause(new ValueFieldWhereClause(new ValueField("GROUP_ARTISTS.GROUP_", new StringParameter(groupId))));
+		return database.getMultiple(query, artistCreator);
+	}
+
 	public Track trackById(String id) throws DatabaseException {
 		Query query = new Query(Type.SELECT, "TRACKS");
 		query.addField(new Field("TRACKS.*"));