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   validates :t, :presence => true, :numericality => {:greater_than_or_equal_to => 0}
  12
  13   @@repeat_texts = ['repeat', 'repeat-x', 'repeat-y', 'no-repeat']
  14
  15   before_validation :valid_encode
  16
  17   def valid_encode
  18     ['caption'].each do |a|
  19       next if attributes[a] == nil
  20       raise Pettanr::BadRequest unless attributes[a].valid_encoding?
  21     end
  22   end
  23
  24   def supply_default
  25     self.x = 0
  26     self.y = 0
  27     self.repeat = 0
  28     if self.panel
  29       self.t = self.panel.new_t
  30       self.z = self.panel.new_z
  31     end
  32   end
  33
  34   def overwrite
  35   end
  36
  37   def visible? roles
  38     if MagicNumber['run_mode'] == 0
  39       return false unless guest_role_check(roles)
  40     else
  41       return false unless reader_role_check(roles)
  42     end
  43     return true if self.panel.own?(roles)
  44     self.panel.visible? roles
  45   end
  46
  47   def opt_div_style full_url, spot = nil, opacity = 20
  48     o = (spot and spot != self) ? "opacity: #{opacity.to_f/100}; filter:alpha(opacity=#{opacity});" : ''
  49     "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}"
  50   end
  51
  52   def tmb_opt_img_tag
  53     tw, th = PettanImager.thumbnail_size(self.picture.width, self.picture.height)
  54     {:src => self.picture.url, :width => tw, :height => th, :alt => self.caption}
  55   end
  56
  57   def repeat_text
  58     @@repeat_texts[self.repeat]
  59   end
  60
  61   def self.default_page_size
  62     25
  63   end
  64
  65   def self.max_page_size
  66     100
  67   end
  68
  69   def self.page prm = nil
  70     page = prm.to_i
  71     page = 1 if page < 1
  72     page
  73   end
  74
  75   def self.page_size prm = self.default_page_size
  76     page_size = prm.to_i
  77     page_size = self.max_page_size if page_size > self.max_page_size
  78     page_size = self.default_page_size if page_size < 1
  79     page_size
  80   end
  81
  82   def self.list_where
  83     'panels.publish > 0'
  84   end
  85
  86   def self.mylist_where au
  87     ['panels.author_id = ?', au.id]
  88   end
  89
  90   def self.himlist_where au
  91     ['panels.author_id = ? and panels.publish > 0', au.id]
  92   end
  93
  94   def self.list page = 1, page_size = self.default_page_size
  95     GroundPicture.where(self.list_where()).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
  96   end
  97
  98   def self.mylist au, page = 1, page_size = Author.default_ground_picture_page_size
  99     GroundPicture.where(self.mylist_where(au)).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
 100   end
 101
 102   def self.himlist au, page = 1, page_size = Author.default_ground_picture_page_size
 103     GroundPicture.where(self.himlist_where(au)).includes(GroundPicture.list_opt).order('ground_pictures.updated_at desc').offset((page -1) * page_size).limit(page_size)
 104   end
 105
 106   def self.list_paginate page = 1, page_size = self.default_page_size
 107     Kaminari.paginate_array(Array.new(GroundPicture.where(self.list_where()).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 108   end
 109
 110   def self.mylist_paginate au, page = 1, page_size = Author.default_ground_picture_page_size
 111     Kaminari.paginate_array(Array.new(GroundPicture.where(self.mylist_where(au)).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 112   end
 113
 114   def self.himlist_paginate au, page = 1, page_size = Author.default_ground_picture_page_size
 115     Kaminari.paginate_array(Array.new(GroundPicture.where(self.himlist_where(au)).includes(GroundPicture.list_opt).count, nil)).page(page).per(page_size)
 116   end
 117
 118   def self.list_opt
 119     {:panel => {:author => {}}, :picture => {:artist => {}, :license => {}} }
 120   end
 121
 122   def self.list_json_opt
 123     {:include => {:panel => {:include => {:author => {}}}, :picture => {:include => {:artist => {}, :license => {}}} }}
 124   end
 125
 126   def self.show cid, au
 127     opt = {}
 128     opt.merge!(GroundPicture.show_opt)
 129     res = GroundPicture.find(cid, opt)
 130     raise ActiveRecord::Forbidden unless res.visible?(au)
 131     res
 132   end
 133
 134   def self.show_opt
 135     {:include => {:panel => {:author => {}}, :picture => {:artist => {}, :license => {}}}}
 136   end
 137
 138   def self.show_json_opt
 139     {:include => {:panel => {:include => {:author => {}}}, :picture => {:include => {:artist => {}, :license => {}}} }}
 140   end
 141
 142   def store au
 143     if self.new_record?
 144       self.panel.ground_pictures.build(self.attributes)
 145     else
 146       self.panel.ground_pictures.each do |ground_picture|
 147         next unless ground_picture == self
 148         attr = self.attributes
 149         attr.delete 'id'
 150         ground_picture.attributes = attr
 151         break
 152       end
 153     end
 154     self.panel.store({}, au)
 155   end
 156
 157   def remove au
 158     d = false
 159     ground_pictures_attributes = {}
 160     self.panel.ground_pictures.each do |ground_picture|
 161       attr = ground_picture.attributes
 162       if ground_picture == self
 163         attr['_destroy'] = true
 164         d = true
 165       else
 166         if d
 167  #         attr['t']  -= 1
 168         end
 169       end
 170       ground_pictures_attributes[ground_picture.id] = attr
 171     end
 172     self.panel.attributes = {:ground_pictures_attributes => ground_pictures_attributes}
 173     self.panel.store({}, au)
 174   end
 175
 176   def scenario
 177     ''
 178   end
 179
 180 end