1 class PanelPicture < ActiveRecord::Base
3 belongs_to :resource_picture
5 validates :panel_id, :numericality => {:allow_blank => true}
6 validates :resource_picture_id, :presence => true, :numericality => true, :existence => true
7 validates :link, :length => {:maximum => 200}
8 validates :x, :presence => true, :numericality => true
9 validates :y, :presence => true, :numericality => true
10 validates :width, :presence => true, :numericality => true, :not_zero => true
11 validates :height, :presence => true, :numericality => true, :not_zero => true
12 validates :z, :presence => true, :numericality => {:greater_than => 0}
13 validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
16 res = (self.height < 0 ? '' : 'v') + (self.width == 0 ? '' : 'h')
17 res += '/' unless res.empty?
22 flip + self.resource_picture.filename
26 '/resource_pictures/' + filename
29 def self.default_page_size
33 def self.max_page_size
37 def self.page prm = nil
43 def self.page_size prm = self.default_page_size
45 page_size = self.max_page_size if page_size > self.max_page_size
46 page_size = self.default_page_size if page_size < 1
50 def self.offset cnt, prm = nil
52 offset = cnt - 1 if offset >= cnt
53 offset = cnt - offset.abs if offset < 0
54 offset = 0 if offset < 0
58 def self.list opt = {}, page = 1, page_size = self.default_page_size
59 opt.merge!(self.list_opt) unless opt[:include]
60 opt.merge!({:order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size})
61 PanelPicture.find(:all, opt)
65 {:include => [:panel, {:resource_picture => [:artist, :license]}]}
68 def self.list_json_opt
69 {:include => {:panel => {}, :resource_picture => {:artist => {}, :license => {}}}}