1 class OriginalPicture < Peta::Content
4 belongs_to :original_picture_license_group
5 has_one :resource_picture
8 validates :ext, :presence => true, :length => {:maximum => 4}, :inclusion => {:in => ['png', 'jpeg', 'gif']}
9 validates :width, :presence => true, :numericality => true, :natural_number => true
10 validates :height, :presence => true, :numericality => true, :natural_number => true
11 validates :filesize, :presence => true, :numericality => {:greater_than => 0, :less_than_or_equal_to => 2000000}, :natural_number => true
12 validates :artist_id, :presence => true, :numericality => true, :existence => {:both => false}
13 validates :md5, :presence => true, :length => {:minimum => 32, :maximum => 32}
19 def overwrite operators
20 self.uploaded_at = Time.now
21 return unless operators.artist
22 self.artist_id = operators.artist.id
25 def visible? operators
29 "#{self.id}.#{self.ext}"
37 '/original_pictures/' + filename
41 {:src => self.url, :width => self.width, :height => self.height}
45 tw, th = PettanImager.thumbnail_size(self.width, self.height)
46 {:src => self.url, :width => tw, :height => th}
58 head = self.history.first
59 head ? head.revision : 'unpublished'
63 self.published_at == nil and self.stopped_at == nil
67 self.stopped_at != nil
71 dt = self.published_at || self.stopped_at
72 return false unless dt
77 self.published_at != nil
81 Picture.find(:all, {:conditions => ['pictures.original_picture_id = ?', self.id], :order => 'pictures.revision desc'} )
85 {:include => {:resource_picture => {}, :pictures => {}}}
90 self.errors.add :base, I18n.t('errors.invalid_image')
94 self.attributes = {:ext => imager.ext, :width => imager.width, :height => imager.height, :filesize => imager.filesize, :md5 => imager.md5}
95 OriginalPicture.transaction do
98 res = PictureIO.original_picture_io.put(imager.binary, self.filename)
99 rescue PictureIO::Error
101 self.errors.add :base, I18n.t('picture_io.error')
102 raise ActiveRecord::Rollback
109 def restore(subdir = nil)
110 PictureIO.original_picture_io.get self.filename, subdir
113 def self.export(dt = nil)
116 ['artists.author_id is not null and original_pictures.updated_at >= ?', dt]
118 'artists.author_id is not null'
120 opt.merge!({:conditions => cond})
121 opt.merge!({:include => {:resource_picture => {}, :artist => {}}, :order => 'original_pictures.id'})
122 OriginalPicture.find(:all, opt)
125 def list_as_json_with_resource_picture
126 self.to_json({:include => {:resource_picture => {:methods => :picture_data}}})
129 def self.list_as_json_text ary
130 '[' + ary.map {|i| i.list_as_json_with_resource_picture }.join(',') + ']'
133 def destroy_with_resource_picture
135 OriginalPicture.transaction do
137 PictureIO.original_picture_io.delete(self.filename) if PictureIO.original_picture_io.exist?(self.filename)
138 rescue PictureIO::Error
140 raise ActiveRecord::Rollback
142 if self.resource_picture
143 res = self.resource_picture.unpublish
144 raise ActiveRecord::Rollback unless res
146 self.pictures.each do |picture|
147 res = picture.unpublish
148 raise ActiveRecord::Rollback unless res
151 raise ActiveRecord::Rollback unless res
156 def self.publish oid, lsname, attr
157 l = License.find_by_name lsname
158 op = OriginalPicture.find oid
160 attr[:license_id] = l.id
162 ctl = lg.module_name.pluralize + '::Attribute'
163 le = ctl.constantize.new attr
165 rp = ResourcePicture.new
166 rp.attributes = le.resource_picture_attributes op
169 imager = PettanImager.load op.restore
173 def self.upload fn, auth
174 b = Base64.encode64(File.open(fn, 'rb').read)
175 u = 'http://localhost:3000/original_pictures'
176 r = RestClient.post(u,
177 {:original_picture => {:file => b}, :auth_token => auth}.to_json,
178 :content_type => :json, :accept => :json
185 def self.auto_publish dirname, auth
186 Dir.glob File.expand_path(dirname) + '/*' do |filename|
187 if File.directory?(filename)
191 Dir.glob(filename + '/*') do |fn|
192 ext = File.extname(fn).downcase
195 json = JSON.parse(File.open(fn).read)
196 lsname = json["license_name"]
197 attr = json["attributes"]
198 when '.png', '.gif', '.jpeg'
202 oid = OriginalPicture.upload img, auth
203 OriginalPicture.publish oid, lsname, attr