1 class OriginalPicture < ActiveRecord::Base
4 has_one :resource_picture
6 validates :ext, :presence => true, :length => {:maximum => 4}, :inclusion => {:in => ['png', 'jpeg', 'gif']}
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7 validates :width, :presence => true, :numericality => true, :natural_number => true
8 validates :height, :presence => true, :numericality => true, :natural_number => true
9 validates :filesize, :presence => true, :numericality => {:greater_than => 0, :less_than_or_equal_to => 2000000}, :natural_number => true
10 validates :artist_id, :presence => true, :numericality => true, :existence => true
11 validates :license_id, :presence => true, :numericality => true, :existence => true
13 before_destroy :destroy_with_file
16 errors.add(:filesize, 'size over(1MB)') if self.filesize > 1000000
19 def supply_default art
20 self.license_id = art.default_license_id if self.license_id.blank?
23 def self.default_page_size
27 def self.max_page_size
31 def self.page prm = nil
37 def self.page_size prm = self.default_page_size
39 page_size = self.max_page_size if page_size > self.max_page_size
40 page_size = self.default_page_size if page_size < 1
44 def self.list artist_id, opt = {}, page = 1, page_size = self.default_page_size
45 opt.merge!(self.list_opt) unless opt[:include]
46 opt.merge!({:conditions => ['artist_id = ?', artist_id],
47 :order => 'updated_at desc', :limit => page_size, :offset => (page -1) * page_size}
49 OriginalPicture.find(:all, opt)
53 {:include => [:license, :resource_picture]}
56 def self.list_json_opt
57 {:include => [:license, :resource_picture]}
60 def self.show cid, artist, opt = {}
61 pic = OriginalPicture.find(cid, :include => self.show_include_opt(opt))
62 raise ActiveRecord::Forbidden unless pic.own?(artist)
66 def self.show_include_opt opt = {}
67 res = [:license, :resource_picture]
68 res.push(opt[:include]) if opt[:include]
72 def self.show_json_include_opt
73 {:include => [:license, :resource_picture]}
77 PictureIO.original_picture_io.delete self.filename
78 self.resource_picture.destroy
86 "#{self.id}.#{self.dext}"
94 '/original_pictures/' + filename
97 def data_to_mgk picture_data
99 mgk = Magick::Image.from_blob(picture_data).shift
101 self.errors.add :base, 'magick failed'
107 def store(picture_data, art, lid = nil)
108 mgk = data_to_mgk picture_data
109 return false unless mgk
111 self.attributes = {:ext => mgk.format.downcase, :width => mgk.columns, :height => mgk.rows,
112 :filesize => mgk.filesize, :artist_id => art.id,
113 :license_id => lid.blank? ? art.default_license_id : lid.to_i
115 OriginalPicture.transaction do
117 if res = PictureIO.original_picture_io.put(picture_data, self.filename)
118 rp = ResourcePicture.update_picture(self)
121 PictureIO.original_picture_io.delete(self.filename)
122 self.errors.add :base, 'resource picture copying error'
123 raise ActiveRecord::Rollback
127 self.errors.add :base, 'original picture io does not work'
128 raise ActiveRecord::Rollback
135 def restore(subdir = nil)
136 PictureIO.original_picture_io.get self.filename, subdir
140 return false unless art
141 self.artist_id == art.id