try autotest

[pettanr/pettanr.git] / app / models / panel_picture.rb

diff --git a/app/models/panel_picture.rb b/app/models/panel_picture.rb
index 13e117c..f719af1 100644 (file)
--- a/app/models/panel_picture.rb
+++ b/app/models/panel_picture.rb
@@ -19,4 +19,47 @@ class PanelPicture < ActiveRecord::Base
     '/resource_pictures/' + filename
   end
   
+  def self.default_page_size
+    25
+  end
+  
+  def self.max_page_size
+    100
+  end
+  
+  def self.page prm = nil
+    page = prm.to_i
+    page = 1 if page < 1
+    page
+  end
+  
+  def self.page_size prm = self.default_page_size
+    page_size = prm.to_i
+    page_size = self.max_page_size if page_size > self.max_page_size
+    page_size = self.default_page_size if page_size < 1
+    page_size
+  end
+  
+  def self.offset cnt, prm = nil
+    offset = prm.to_i
+    offset = cnt - 1 if offset >= cnt
+    offset = cnt - offset.abs if offset < 0
+    offset = 0 if offset < 0
+    offset
+  end
+  
+  def self.list opt = {}, page = 1, page_size = self.default_page_size
+    opt.merge!(self.list_opt) unless opt[:include]
+    opt.merge!({:order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size})
+    PanelPicture.find(:all, opt)
+  end
+  
+  def self.list_opt
+    {:include => [:panel, {:resource_picture => [:artist, :license]}]}
+  end
+  
+  def self.list_json_opt
+    {:include => {:panel => {}, :resource_picture => [:artist, :license]}}
+  end
+  
 end