Start of GS5.

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