1 class PanelPicture < ActiveRecord::Base
3 belongs_to :resource_picture
5 validates :width, :presence => true, :numericality => true, :not_zero => true
6 validates :height, :presence => true, :numericality => true, :not_zero => true
9 res = (self.height < 0 ? '' : 'v') + (self.width == 0 ? '' : 'h')
10 res += '/' unless res.empty?
15 flip + self.resource_picture.filename
19 '/resource_pictures/' + filename
22 def self.default_page_size
26 def self.max_page_size
30 def self.page prm = nil
36 def self.page_size prm = self.default_page_size
38 page_size = self.max_page_size if page_size > self.max_page_size
39 page_size = self.default_page_size if page_size < 1
43 def self.offset cnt, prm = nil
45 offset = cnt - 1 if offset >= cnt
46 offset = cnt - offset.abs if offset < 0
47 offset = 0 if offset < 0
51 def self.list opt = {}, page = 1, page_size = self.default_page_size
52 opt.merge!(self.list_opt) unless opt[:include]
53 opt.merge!({:order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size})
54 PanelPicture.find(:all, opt)
58 {:include => [:panel, {:resource_picture => [:artist, :license]}]}
61 def self.list_json_opt
62 {:include => {:panel => {}, :resource_picture => [:artist, :license]}}