app/models/provider_original_picture.rb

   1 class ProviderOriginalPicture < ActiveRecord::Base
   2   belongs_to :provider
   3   belongs_to :original_picture, :foreign_key => :demanders_original_picture_id
   4
   5   validates :provider_id, :presence => true, :numericality => true, :existence => true
   6   validates :providers_original_picture_id, :presence => true, :numericality => true
   7   validates :demanders_original_picture_id, :presence => true, :numericality => true
   8
   9   def self.get_one pid, popid
  10     ProviderOriginalPicture.find_by_provider_id_and_providers_original_picture_id(pid, popid) || ProviderOriginalPicture.new
  11   end
  12
  13   def modify_original_picture attr
  14     op = if self.original_picture
  15       self.original_picture
  16     else
  17       OriginalPicture.new
  18     end
  19     op.attributes = attr
  20     op.save!
  21     op
  22   end
  23
  24   def self.modify_picture attr
  25     pc = Picture.find_by_original_picture_id_and_revision(attr['original_picture_id'], attr['revision']) || Picture.new
  26     pc.attributes = attr
  27     pc
  28   end
  29
  30   def self.modify_resource_picture attr
  31     rp = ResourcePicture.find_by_original_picture_id(attr['original_picture_id']) || ResourcePicture.new
  32     rp.attributes = attr
  33     rp
  34   end
  35
  36   def self.replace_artist pid, attr
  37     pa = ProviderArtist.get_one pid, attr['artist_id'].to_i
  38     if pa.artist
  39       attr['artist_id'] = pa.artist.id
  40       true
  41     else
  42       false
  43     end
  44   end
  45
  46   def self.replace_license pid, attr
  47     pl = ProviderLicense.get_one pid, attr['license_id'].to_i
  48     if pl.license
  49       attr['license_id'] = pl.license.id
  50       true
  51     else
  52       false
  53     end
  54   end
  55
  56   def self.replace_original_picture pid, attr
  57     pop = ProviderOriginalPicture.get_one pid, attr['original_picture_id'].to_i
  58     if pop.original_picture
  59       attr['original_picture_id'] = pop.original_picture.id
  60       true
  61     else
  62       false
  63     end
  64   end
  65
  66   def self.import_original_picture pid, providers_original_picture_attr
  67     return providers_original_picture_attr unless ProviderOriginalPicture.replace_artist(pid, providers_original_picture_attr)
  68     provider_original_picture = ProviderOriginalPicture.get_one(pid, providers_original_picture_attr['id'])
  69     popid = providers_original_picture_attr['id']
  70     providers_original_picture_attr.delete 'id'
  71     resource_picture = providers_original_picture_attr['resource_picture']
  72     providers_original_picture_attr.delete 'resource_picture'
  73     demander_original_picture = provider_original_picture.modify_original_picture providers_original_picture_attr
  74     providers_original_picture_attr['resource_picture'] = resource_picture
  75     return providers_original_picture_attr unless demander_original_picture.valid?
  76     provider_original_picture.attributes = {:provider_id => pid, :providers_original_picture_id => popid, :demanders_original_picture_id => demander_original_picture.id}
  77     return providers_original_picture_attr unless provider_original_picture.save
  78     nil
  79   end
  80
  81   def self.import_original_pictures pid, providers_original_pictures
  82     res = []
  83     providers_original_pictures.each do |providers_original_picture_attr|
  84       org_attr = providers_original_picture_attr.dup
  85       if r = ProviderOriginalPicture.import_original_picture(pid, providers_original_picture_attr)
  86         res << org_attr
  87       end
  88     end
  89     res
  90   end
  91
  92   def self.import_picture pid, providers_picture_attr
  93     return providers_picture_attr unless ProviderOriginalPicture.replace_original_picture(pid, providers_picture_attr)
  94     return providers_picture_attr unless ProviderOriginalPicture.replace_artist(pid, providers_picture_attr)
  95     return providers_picture_attr unless ProviderOriginalPicture.replace_license(pid, providers_picture_attr)
  96     ppid = providers_picture_attr['id']
  97     providers_picture_attr.delete 'id'
  98     picture_data = Base64.decode64 providers_picture_attr['picture_data']
  99     providers_picture_attr.delete 'picture_data'
 100     imager = PettanImager.load(picture_data)
 101     return providers_picture_attr unless imager
 102     picture = ProviderOriginalPicture.modify_picture providers_picture_attr
 103     return providers_picture_attr unless picture.store(imager)
 104     nil
 105   end
 106
 107   def self.import_pictures pid, providers_pictures
 108     res = []
 109     providers_pictures.each do |providers_picture_attr|
 110       org_attr = providers_picture_attr.dup
 111       if r = ProviderOriginalPicture.import_picture(pid, providers_picture_attr)
 112         res << org_attr
 113       end
 114     end
 115     res
 116   end
 117
 118   def self.import_resource_picture pid, providers_resource_picture_attr
 119     return providers_resource_picture_attr unless ProviderOriginalPicture.replace_original_picture(pid, providers_resource_picture_attr)
 120     return providers_resource_picture_attr unless ProviderOriginalPicture.replace_artist(pid, providers_resource_picture_attr)
 121     return providers_resource_picture_attr unless ProviderOriginalPicture.replace_license(pid, providers_resource_picture_attr)
 122     prpid = providers_resource_picture_attr['id']
 123     providers_resource_picture_attr.delete 'id'
 124     picture_data = Base64.decode64 providers_resource_picture_attr['picture_data']
 125     providers_resource_picture_attr.delete 'picture_data'
 126     imager = PettanImager.load(picture_data)
 127     return providers_resource_picture_attr unless imager
 128     resource_picture = ProviderOriginalPicture.modify_resource_picture providers_resource_picture_attr
 129     return providers_resource_picture_attr unless resource_picture.store_picture_with_gif(imager)
 130     return providers_resource_picture_attr unless resource_picture.save
 131     nil
 132   end
 133
 134   def self.import_resource_pictures pid, providers_original_pictures
 135     res = []
 136     providers_original_pictures.each do |providers_original_picture_attr|
 137       providers_resource_picture_attr = providers_original_picture_attr['resource_picture']
 138       org_attr = providers_resource_picture_attr.dup
 139       if r = ProviderOriginalPicture.import_resource_picture(pid, providers_resource_picture_attr)
 140         res << org_attr
 141       end
 142     end
 143     res
 144   end
 145
 146   def self.import pid, original_pictures, pictures
 147     res = {:original_pictures => [], :pictures => [], :resource_pictures => []}
 148     ProviderOriginalPicture.transaction do
 149       r = ProviderOriginalPicture.import_original_pictures(pid, original_pictures)
 150       res[:original_pictures] = r
 151       raise ActiveRecord::Rollback if r.any?
 152       r = ProviderOriginalPicture.import_pictures(pid, pictures)
 153       res[:pictures] = r
 154       raise ActiveRecord::Rollback if r.any?
 155       r = ProviderOriginalPicture.import_resource_pictures(pid, original_pictures)
 156       res[:resource_pictures] = r
 157       raise ActiveRecord::Rollback if r.any?
 158     end
 159     res
 160   end
 161
 162 end