class Comic < ActiveRecord::Base
has_many :panels, :dependent => :destroy
belongs_to :author
+
+ class NotZeroValidator < ActiveModel::EachValidator\r
+ def validate_each(record, attribute, value)\r
+ record.errors[attribute] << (options[:message] || "is zero") if value == 0\r
+ end\r
+ end\r
+ validates :title, :presence => true, :length => {:maximum => 100}\r
+ validates :width, :presence => true, :numericality => true, :not_zero => true
+ validates :height, :presence => true, :numericality => true, :not_zero => true
+ validates :visible, :presence => true, :numericality => true, :inclusion => {:in => 0...4}
+ validates :editable, :presence => true, :numericality => true, :inclusion => {:in => 0...4}
+
+ before_save do |r|
+ r.supply_default
+ end
+
+ def supply_default
+ self.visible = 0 if self.visible.blank?
+ self.editable= 0 if self.editable.blank?
+ end
+
def own? author
return false unless author
self.author_id == author.id
end
+ def vis author
+ self.own?(author) or self.visible > 0
+ end
+
def disp_editable
editable == 1 ? 'O' : 'X'
end
visible == 1 ? 'O' : 'X'
end
+ def self.default_page_size
+ 25
+ end
+
+ def self.max_page_size
+ 100
+ end
+
+ def self.list opt = {}, page = 1, page_size = self.default_page_size
+ page_size = self.max_page_size if page_size > self.max_page_size
+ page_size = self.default_page_size if page_size < 1
+ page = 1 if page < 1
+ opt.merge!(self.list_opt) unless opt[:include]
+ opt.merge!({:conditions => ['visible > 0'], :order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size})
+ Comic.find(:all, opt)
+ end
+
+ def self.list_opt
+ {:include => :author}
+ end
+
+ def self.list_json_opt
+ {:include => :author}
+ end
+
+ def self.show cid, opt = {}
+ opt.merge!(self.show_opt) unless opt[:include]
+ Comic.find(cid, opt)
+ end
+
+ def self.show_opt
+ {:include => :author}
+ end
+
+ def self.show_json_opt
+ {:include => :author}
+ end
+
+ def self.play cid, opt = {}
+ Comic.find(cid, include: [
+ :author,
+ :panels => [
+ :panel_pictures => :resource_picture,
+ :balloons => :speaches
+ ]
+ ], order: 'panels.t, speaches.t')
+ end
+
+ def to_json_play
+ self.to_json( :include => {:author => {}, :panels => {:methods => :panel_element}})
+ end
+
+ def self.visible_count
+ Comic.count 'visible > 0'
+ end
+
end