diaspora/app/models/album.rb

54 lines
1.6 KiB
Ruby

# Copyright 2010 Diaspora Inc.
#
# This file is part of Diaspora.
#
# Diaspora is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Diaspora is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Diaspora. If not, see <http://www.gnu.org/licenses/>.
#
class Album < Post
xml_reader :name
key :name, String
many :photos, :class_name => 'Photo', :foreign_key => :album_id
timestamps!
validates_presence_of :name, :person
before_destroy :destroy_photos
def self.mine_or_friends(friend_param, current_user)
friend_param ? Album.find_all_by_person_id(current_user.friend_ids) : current_user.person.albums
end
def prev_photo(photo)
n_photo = self.photos.where(:created_at.lt => photo.created_at).sort(:created_at.desc).first
n_photo ? n_photo : self.photos.sort(:created_at.desc).first
end
def next_photo(photo)
p_photo = self.photos.where(:created_at.gt => photo.created_at).sort(:created_at.asc).first
p_photo ? p_photo : self.photos.sort(:created_at.desc).last
end
protected
def destroy_photos
self.photos.each{|p| p.destroy}
end
end