1 class OriginalPicture < ActiveRecord::Base
3 belongs_to :original_picture_license_group
4 has_one :resource_picture
7 validates :ext, :presence => true, :length => {:maximum => 4}, :inclusion => {:in => ['png', 'jpeg', 'gif']}
8 validates :width, :presence => true, :numericality => true, :natural_number => true
9 validates :height, :presence => true, :numericality => true, :natural_number => true
10 validates :filesize, :presence => true, :numericality => {:greater_than => 0, :less_than_or_equal_to => 2000000}, :natural_number => true
11 validates :artist_id, :presence => true, :numericality => true, :existence => true
12 validates :md5, :presence => true, :length => {:minimum => 32, :maximum => 32}
14 before_destroy :destroy_with_file
20 self.artist_id = ar.id
24 self.artist_id == ar.id
36 "#{self.id}.#{self.dext}"
44 '/original_pictures/' + filename
48 tw, th = ResourcePicture.fix_size_both(MagicNumber['thumbnail_width'], MagicNumber['thumbnail_height'], self.width, self.height)
49 {:src => self.url, :width => tw, :height => th}
52 def self.default_page_size
56 def self.max_page_size
60 def self.page prm = nil
66 def self.page_size prm = self.default_page_size
68 page_size = self.max_page_size if page_size > self.max_page_size
69 page_size = self.default_page_size if page_size < 1
73 def self.mylist artist_id, page = 1, page_size = self.default_page_size
75 opt.merge!(self.list_opt)
76 opt.merge!({:limit => page_size, :offset => (page -1) * page_size}) if page_size > 0
77 opt.merge!({:conditions => ['original_pictures.artist_id = ?', artist_id], :order => 'original_pictures.updated_at desc'})
78 OriginalPicture.find(:all, opt)
82 Picture.find(:all, {:conditions => ['pictures.original_picture_id = ?', self.id], :order => 'pictures.revision desc'} )
86 {:include => {:resource_picture => {}, :pictures => {}}}
89 def self.list_json_opt
90 {:include => {:resource_picture => {}, :pictures => {}}}
95 opt.merge!(self.show_opt)
96 res = OriginalPicture.find(cid, opt)
97 raise ActiveRecord::Forbidden unless res.visible?(ar)
101 def self.edit cid, ar
103 opt.merge!(self.show_opt)
104 res = OriginalPicture.find(cid, opt)
105 raise ActiveRecord::Forbidden unless res.own?(ar)
110 {:include => {:resource_picture => {}, :pictures => {}}}
113 def self.show_json_opt
114 {:include => {:resource_picture => {}, :pictures => {}}}
117 def destroy_with_file
118 PictureIO.original_picture_io.delete self.filename
119 self.resource_picture.destroy
122 def data_to_mgk picture_data
124 mgk = Magick::Image.from_blob(picture_data).shift
126 self.errors.add :base, 'magick failed'
132 def store(picture_data, art)
133 mgk = data_to_mgk picture_data
134 return false unless mgk
136 self.attributes = {:ext => mgk.format.downcase, :width => mgk.columns, :height => mgk.rows,
137 :filesize => mgk.filesize, :artist_id => art.id
139 self.md5 = Digest::MD5.hexdigest(picture_data)
141 OriginalPicture.transaction do
143 if res = PictureIO.original_picture_io.put(picture_data, self.filename)
146 self.errors.add :base, 'original picture io does not work'
147 raise ActiveRecord::Rollback
154 def restore(subdir = nil)
155 PictureIO.original_picture_io.get self.filename, subdir