+ def self.export(dt = nil)
+ opt = {}
+ cond = if dt
+ ['artists.author_id is not null and original_pictures.updated_at >= ?', dt]
+ else
+ 'artists.author_id is not null'
+ end
+ opt.merge!({:conditions => cond})
+ opt.merge!({:include => {:resource_picture => {}, :artist => {}}, :order => 'original_pictures.id'})
+ OriginalPicture.find(:all, opt)
+ end
+
+ def list_as_json_with_resource_picture
+ self.to_json({:include => {:resource_picture => {:methods => :picture_data}}})
+ end
+
+ def self.list_as_json_text ary
+ '[' + ary.map {|i| i.list_as_json_with_resource_picture }.join(',') + ']'
+ end
+
+ def destroy_with_resource_picture
+ res = false
+ OriginalPicture.transaction do
+ begin
+ PictureIO.original_picture_io.delete(self.filename) if PictureIO.original_picture_io.exist?(self.filename)
+ rescue PictureIO::Error
+ res = false
+ raise ActiveRecord::Rollback
+ end
+ if self.resource_picture
+ res = self.resource_picture.unpublish
+ raise ActiveRecord::Rollback unless res
+ end
+ self.pictures.each do |picture|
+ res = picture.unpublish
+ raise ActiveRecord::Rollback unless res
+ end
+ res = self.destroy
+ raise ActiveRecord::Rollback unless res
+ end
+ res