X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=app%2Fmodels%2Fpicture.rb;h=a2c8f49d59bc4eb6896d1e20e4d66ee08875ae54;hb=b8bd6a66f23bb46aae1e57da1eb6899a75240994;hp=f62ecbe48ebb8aae92831495e2a32eeec38c8a45;hpb=c952cb16dc5e99208d9b520fa95076092af5edde;p=pettanr%2Fpettanr.git

diff --git a/app/models/picture.rb b/app/models/picture.rb
index f62ecbe4..a2c8f49d 100644
--- a/app/models/picture.rb
+++ b/app/models/picture.rb
@@ -1,2 +1,222 @@
-class Picture < ActiveRecord::Base
+#実素材
+class Picture < Peta::Content
+  load_manifest
+  belongs_to :original_picture
+  belongs_to :license
+  belongs_to :system_picture
+  belongs_to :artist
+  has_one :resource_picture
+  
+  validates :original_picture_id, :presence => true, :numericality => true, :existence => {:both => false}
+  validates :revision, :presence => true, :numericality => true
+  validates :ext, :presence => true, :length => {:maximum => 4}, :inclusion => {:in => ['png', 'jpeg', 'gif']}
+  validates :width, :presence => true, :numericality => true, :natural_number => true
+  validates :height, :presence => true, :numericality => true, :natural_number => true
+  validates :filesize, :presence => true, :numericality => {:greater_than => 0, :less_than_or_equal_to => 2000000}, :natural_number => true
+  validates :md5, :presence => true, :length => {:minimum => 32, :maximum => 32}
+  validates :license_id, :presence => true, :numericality => true, :existence => {:both => false}
+  validates :system_picture_id, :presence => true, :numericality => true, :existence => {:both => false}
+  validates :artist_id, :presence => true, :numericality => true, :existence => {:both => false}
+  validates :artist_name, :presence => true
+  validates :license_group_module_name, :presence => true, :length => {:maximum => 50}
+  
+  def supply_default
+  end
+  
+  def overwrite rp
+    attr = {:width => rp.width, :height => rp.height, :ext => rp.ext, :filesize => rp.filesize, 
+      :original_picture_id => rp.original_picture_id, :license_id => rp.license_id, 
+      :system_picture_id => rp.system_picture_id, :artist_id => rp.artist_id, 
+      :md5 => rp.md5, :artist_name => rp.artist_name, 
+      :license_group_module_name => rp.license_group_module_name, 
+      :license_group_settings => rp.license_group_settings, 
+      :credit_picture_settings => rp.credit_picture_settings,
+      :license_settings => rp.license_settings
+    }
+    self.attributes = attr
+    self.revision = self.new_revision   #Do not move to attr. new_revision reffernces self.original_picture_id
+  end
+  
+  def visible? operators
+    return true
+  end
+  
+  def showable? operators = nil
+    return false unless self.original_picture
+    return true if self.own?(operators)
+    self.enable? and self.head?
+  end
+  
+  def filename
+    "#{self.id}.#{self.ext}"
+  end
+  
+  def gifname
+    "#{self.id}.gif"
+  end
+  
+  def mime_type
+    "image/#{self.ext}"
+  end
+  
+  def url
+    '/pictures/' + filename
+  end
+  
+  def opt_img_tag
+    {:src => self.url, :width => self.width, :height => self.height}
+  end
+  
+  def tmb_opt_img_tag
+    tw, th = PettanImager.thumbnail_size(self.width, self.height)
+    {:src => self.url, :width => tw, :height => th}
+  end
+  
+  def tail_opt_img_tag img
+    {:src => img, :width => self.width, :height => self.height}
+  end
+  
+  def tail_tmb_opt_img_tag img
+    tw, th = PettanImager.thumbnail_size(self.width, self.height)
+    {:src => img, :width => tw, :height => th}
+  end
+  
+  def alt_name
+    self.license.license_group.caption.to_s + '[' + self.license.caption.to_s + ']'
+  end
+  
+  def symbol_option
+    self.tmb_opt_img_tag
+  end
+  
+  def new_revision
+    Picture.maximum(:revision, :conditions => ['original_picture_id = ?', self.original_picture_id]).to_i + 1
+  end
+  
+  def enable?
+    r = self.head.resource_picture
+    r ? true : false
+  end
+  
+  def self.head opid
+    Picture.find(:first, :conditions => ['original_picture_id = ?', opid], :order => 'pictures.revision desc')
+  end
+  
+  def head
+    Picture.head(self.original_picture_id)
+  end
+  
+  def head?
+    self == head
+  end
+  
+  def to_gif?
+    self.ext == 'png' and self.license_extend.gif_convert >= 0
+  end
+  
+  def subdirs
+    self.license_extend.reverse < 0 ? [''] : ['', 'v', 'h', 'vh']
+  end
+  
+  def self.find_by_md5 md5
+    r = Picture.find :all, :conditions => ['pictures.md5 = ?', md5], :order => 'pictures.updated_at desc'
+  end
+  
+  def self.list_by_md5 md5, opid = nil
+    cond = if opid.blank?
+      ['pictures.md5 = ?', md5]
+    else
+      ['pictures.md5 = ? and pictures.original_picture_id <> ?', md5, opid]
+    end
+    r = Picture.find :all, :conditions => cond, :order => 'pictures.updated_at desc'
+  end
+  
+  def self.exist_by_md5 md5, opid
+    Picture.list_by_md5(md5, opid).empty? ? false : true
+  end
+  
+  def self.list_by_original_picture_where original_picture_id
+    ['pictures.original_picture_id = ?', original_picture_id]
+  end
+  
+  def self.list_by_original_picture original_picture_id, roles, page = 1, page_size = self.default_page_size
+    self.where(self.list_by_original_picture_where(original_picture_id)).includes(self.list_opt).order('pictures.revision desc').offset((page -1) * page_size).limit(page_size)
+  end
+  
+  def self.list_opt
+    {:license => {}, :artist => {}}
+  end
+  
+  def self.list_json_opt
+    {:include => {:license => {}, :artist => {}} }
+  end
+  
+  def store(imager)
+    res = false
+    if res = self.save
+      if res = self.store_picture(imager, self.filename)
+        if self.to_gif?
+          if gifimager = imager.to_gif
+            res = self.store_picture(gifimager, self.gifname)
+          else
+            res = false
+          end
+        end
+      end
+    end
+    res
+  end
+  
+  def store_picture(imager, fn)
+    res = false
+    subdirs.each do |d|
+      picdata = d.empty? ? imager.binary : imager.__send__(d)
+      res = PictureIO.picture_io.put(picdata, fn, d)
+      break unless res
+    end
+    res
+  end
+  
+  def restore(subdir = nil)
+    PictureIO.picture_io.get self.filename, subdir
+  end
+  
+  def self.export(dt = nil)
+    opt = {}
+    cond = if dt
+      ['artists.author_id is not null and pictures.updated_at >= ?', dt]
+    else
+      'artists.author_id is not null'
+    end
+    opt.merge!({:conditions => cond}) 
+    opt.merge!({:include => {:artist => {}}, :order => 'pictures.updated_at desc'})
+    Picture.find(:all, opt)
+  end
+  
+  def self.list_as_json_text ary
+    '[' + ary.map {|i| i.to_json_with_picture_data }.join(',') + ']'
+  end
+  
+  def picture_data
+    Base64.encode64(self.restore)
+  end
+  
+  def to_json_with_picture_data
+    self.to_json({:methods => :picture_data})
+  end
+  
+  def unpublish
+    imager = PettanImager.load(File.open(Rails.root + 'app/assets/images/error.png', 'rb').read)
+    return false unless imager
+    self.store imager
+  end
+  
+  def credit_template
+    "#{self.license_group_module_name.tableize}/attributes/credit"
+  end
+  
+  def full_credit_template
+    "#{self.license_group_module_name.tableize}/attributes/full_credit"
+  end
+  
 end