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php-bak/app/musicbrainz/models/ReleaseGroup.class.php

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+<?php
+
+class Musicbrainz_ReleaseGroupModel extends Model {
+	
+	public function getArtistAlbums($artist_ids) {
+		return $this->db->getRows(
+			$this->db->q('
+				SELECT *
+				FROM musicbrainz.bh_release_group
+				WHERE
+					artist_id IN (\''. implode('\',\'', $artist_ids) .'\') AND
+					release_type = 1
+				ORDER BY
+					year ASC,
+					id ASC
+			'),
+			'id'
+		);
+	}
+	
+	public function getArtistAlbumsIds($artist_id) {
+		return array_keys($this->db->getRows(
+			$this->db->q('
+				SELECT id
+				FROM musicbrainz.bh_release_group
+				WHERE
+					artist_id = \''. $artist_id .'\' AND
+					release_type = 1
+				ORDER BY
+					year ASC,
+					id ASC
+			'),
+			'id'
+		));
+	}
+}