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-rw-r--r--app/models/fax_document.rb82
1 files changed, 82 insertions, 0 deletions
diff --git a/app/models/fax_document.rb b/app/models/fax_document.rb
new file mode 100644
index 0000000..67bdea9
--- /dev/null
+++ b/app/models/fax_document.rb
@@ -0,0 +1,82 @@
+class FaxDocument < ActiveRecord::Base
+# attr_accessible :inbound, :transmission_time, :sent_at, :document_total_pages, :document_transferred_pages, :ecm_requested, :ecm_used, :image_resolution, :image_size, :local_station_id, :result_code, :result_text, :remote_station_id, :success, :transfer_rate, :t38_gateway_format, :t38_peer, :document
+
+ mount_uploader :document, DocumentUploader
+ mount_uploader :tiff, TiffUploader
+
+ validates_presence_of :document
+ validates_numericality_of :retry_counter, :only_integer => true, :greater_than_or_equal_to => 0
+
+ belongs_to :fax_account
+ belongs_to :fax_resolution
+
+ validates_presence_of :fax_resolution_id
+ validates_presence_of :fax_resolution
+
+ has_one :destination_phone_number, :class_name => 'PhoneNumber', :as => :phone_numberable, :dependent => :destroy
+ accepts_nested_attributes_for :destination_phone_number
+
+ has_many :fax_thumbnails, :order => :position, :dependent => :destroy
+
+ after_create :render_thumbnails
+ after_create :convert_pdf_to_tiff
+
+ # Scopes
+ scope :inbound, where(:state => 'inbound')
+ scope :outbound, where(:state => ['queued_for_sending','sending','successful','unsuccessful'])
+
+ # State Machine stuff
+ state_machine :initial => :new do
+ event :queue_for_sending do
+ transition [:new] => :queued_for_sending
+ end
+
+ event :send_now do
+ transition [:queued_for_sending] => :sending
+ end
+
+ event :cancel do
+ transition [:sending, :queued_for_sending] => :unsuccessful
+ end
+
+ event :successful_sent do
+ transition [:sending, :queued_for_sending] => :successful
+ end
+
+ event :mark_as_inbound do
+ transition [:new] => :inbound
+ end
+ end
+
+ def to_s
+ name
+ end
+
+ private
+ def render_thumbnails
+ directory = "/tmp/GS-#{GEMEINSCHAFT_VERSION}/fax_thumbnails/#{self.id}"
+ system('mkdir -p ' + directory)
+ system("cd #{directory} && convert #{Rails.root.to_s}/public#{self.document.to_s}[0-100] -colorspace Gray PNG:'fax_page.png'")
+ number_of_thumbnails = Dir["#{directory}/fax_page-*.png"].count
+ (0..(number_of_thumbnails-1)).each do |i|
+ fax_thumbnail = self.fax_thumbnails.build
+ fax_thumbnail.thumbnail = File.open("#{directory}/fax_page-#{i}.png")
+ fax_thumbnail.save!
+ end
+ system("rm -rf #{directory}")
+ self.update_attributes(:document_total_pages => number_of_thumbnails) if self.document_total_pages.nil?
+ end
+
+ def convert_pdf_to_tiff
+ page_size_a4 = '595 842'
+ page_size_command = "<< /Policies << /PageSize 3 >> /InputAttributes currentpagedevice /InputAttributes get dup { pop 1 index exch undef } forall dup 0 << /PageSize [ #{page_size_a4} ] >> put >> setpagedevice"
+ directory = "/tmp/GS-#{GEMEINSCHAFT_VERSION}/faxes/#{self.id}"
+ system('mkdir -p ' + directory)
+ tiff_file_name = File.basename(self.document.to_s.downcase, ".pdf") + '.tiff'
+ system "cd #{directory} && gs -q -r#{self.fax_resolution.resolution_value} -dNOPAUSE -dBATCH -dSAFER -sDEVICE=tiffg3 -sOutputFile=\"#{tiff_file_name}\" -c \"#{page_size_command}\" -- \"#{Rails.root.to_s}/public#{self.document.to_s}\""
+ self.tiff = File.open("#{directory}/#{tiff_file_name}")
+ self.save
+ system("rm -rf #{directory}")
+ end
+
+end