app/models/ground_picture.rb

   1 class GroundPicture < ActiveRecord::Base
   2   belongs_to :panel
   3   belongs_to :picture
   4
   5   validates :panel_id, :numericality => {:allow_blank => true}
   6   validates :repeat, :numericality => true, :inclusion => { :in => 0..3 }
   7   validates :x, :numericality => true
   8   validates :y, :numericality => true
   9   validates :picture_id, :numericality => true, :existence => {:both => false}
  10   validates :z, :presence => true, :numericality => {:greater_than => 0}
  11
  12   @@repeat_texts = ['repeat', 'repeat-x', 'repeat-y', 'no-repeat']
  13
  14   before_validation :valid_encode
  15
  16   def valid_encode
  17     ['caption'].each do |a|
  18       next if attributes[a] == nil
  19       raise Pettanr::BadRequest unless attributes[a].valid_encoding?
  20     end
  21   end
  22
  23   def supply_default
  24     self.repeat = 0
  25     self.x = 0
  26     self.y = 0
  27   end
  28
  29   def overwrite
  30   end
  31
  32   def visible? roles
  33     if MagicNumber['run_mode'] == 0
  34       return false unless guest_role_check(roles)
  35     else
  36       return false unless reader_role_check(roles)
  37     end
  38     return true if self.panel.own?(roles)
  39     self.panel.visible? roles
  40   end
  41
  42   def opt_div_style full_url, spot = nil, opacity = 20
  43     o = (spot and spot != self) ? "opacity: #{opacity.to_f/100}; filter:alpha(opacity=#{opacity});" : ''
  44     "position: absolute; width:#{self.panel.width}px; height:#{self.panel.height}px; top: 0px; left: 0px;  z-index:#{self.z}; background-image: url(#{full_url}); background-repeat: #{self.repeat_text}; background-position: #{self.x}px, #{self.y}px; #{o}"
  45   end
  46
  47   def tmb_opt_img_tag
  48     tw, th = PettanImager.thumbnail_size(self.picture.width, self.picture.height)
  49     {:src => self.picture.url, :width => tw, :height => th, :alt => self.caption}
  50   end
  51
  52   def repeat_text
  53     @@repeat_texts[self.repeat]
  54   end
  55
  56   def self.default_page_size
  57     25
  58   end
  59
  60   def self.max_page_size
  61     100
  62   end
  63
  64   def self.page prm = nil
  65     page = prm.to_i
  66     page = 1 if page < 1
  67     page
  68   end
  69
  70   def self.page_size prm = self.default_page_size
  71     page_size = prm.to_i
  72     page_size = self.max_page_size if page_size > self.max_page_size
  73     page_size = self.default_page_size if page_size < 1
  74     page_size
  75   end
  76
  77   def self.list_where
  78     'panels.publish > 0'
  79   end
  80
  81   def self.mylist_where au
  82     ['panels.author_id = ?', au.id]
  83   end
  84
  85   def self.himlist_where au
  86     ['panels.author_id = ? and panels.publish > 0', au.id]
  87   end
  88
  89   def self.list page = 1, page_size = self.default_page_size
  90     GroundPicture.where(self.list_where()).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
  91   end
  92
  93   def self.mylist au, page = 1, page_size = Author.default_ground_picture_page_size
  94     GroundPicture.where(self.mylist_where(au)).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
  95   end
  96
  97   def self.himlist au, page = 1, page_size = Author.default_ground_picture_page_size
  98     GroundPicture.where(self.himlist_where(au)).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
  99   end
 100
 101   def self.list_paginate page = 1, page_size = self.default_page_size
 102     Kaminari.paginate_array(Array.new(GroundPicture.where(self.list_where()).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 103   end
 104
 105   def self.mylist_paginate au, page = 1, page_size = Author.default_ground_picture_page_size
 106     Kaminari.paginate_array(Array.new(GroundPicture.where(self.mylist_where(au)).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 107   end
 108
 109   def self.himlist_paginate au, page = 1, page_size = Author.default_ground_picture_page_size
 110     Kaminari.paginate_array(Array.new(GroundPicture.where(self.himlist_where(au)).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 111   end
 112
 113   def self.list_opt
 114     {:panel => {:author => {}}, :picture => {:artist => {}, :license => {}} }
 115   end
 116
 117   def self.list_json_opt
 118     {:include => {:panel => {:include => {:author => {}}}, :picture => {:include => {:artist => {}, :license => {}}} }}
 119   end
 120
 121   def self.show cid, au
 122     opt = {}
 123     opt.merge!(GroundPicture.show_opt)
 124     res = GroundPicture.find(cid, opt)
 125     raise ActiveRecord::Forbidden unless res.visible?(au)
 126     res
 127   end
 128
 129   def self.show_opt
 130     {:include => {:panel => {:author => {}}, :picture => {:artist => {}, :license => {}}}}
 131   end
 132
 133   def self.show_json_opt
 134     {:include => {:panel => {:include => {:author => {}}}, :picture => {:include => {:artist => {}, :license => {}}} }}
 135   end
 136
 137   def store au
 138     if self.new_record?
 139       self.panel.ground_pictures.build(self.attributes)
 140     else
 141       self.panel.ground_pictures.each do |ground_picture|
 142         next unless ground_picture == self
 143         attr = self.attributes
 144         attr.delete 'id'
 145         ground_picture.attributes = attr
 146         break
 147       end
 148     end
 149     self.panel.store({}, au)
 150   end
 151
 152   def remove au
 153     d = false
 154     ground_pictures_attributes = {}
 155     self.panel.ground_pictures.each do |ground_picture|
 156       attr = ground_picture.attributes
 157       if ground_picture == self
 158         attr['_destroy'] = true
 159         d = true
 160       else
 161         if d
 162  #         attr['t']  -= 1
 163         end
 164       end
 165       ground_pictures_attributes[ground_picture.id] = attr
 166     end
 167     self.panel.attributes = {:ground_pictures_attributes => ground_pictures_attributes}
 168     self.panel.store({}, au)
 169   end
 170
 171   def scenario
 172     ''
 173   end
 174
 175 end