class Release < ActiveRecord::Base
	set_table_name 'musicbrainz.bh_release'
	def self.getReleases(release_groups, group_by_release = false, only_official = false)
		releases = Release.all(
			:conditions => [
				'release_group IN(?) AND '+
				(only_official ? 'release_type=1' : 'release_type IS NOT NULL'), release_groups
			],
			:order => 'date ASC, id ASC'
		)
		if group_by_release
			g_releases = {}
			releases.each do |release|
				if g_releases[release.release_group].nil?
					g_releases[release.release_group] = {}
				end
				g_releases[release.release_group] << release
			end
			return g_releases
		end
		return releases
	end
end