1 files changed, 13 insertions, 11 deletions
diff --git a/app/models/fax_document.rb b/app/models/fax_document.rb
index 16fdc70..4db4980 100644
--- a/app/models/fax_document.rb
+++ b/app/models/fax_document.rb
@@ -47,19 +47,21 @@ class FaxDocument < ActiveRecord::Base
       transition [:new] => :inbound
     end  
   end
+
+  def to_s
+    "#{self.remote_station_id}-#{self.created_at}-#{self.id}".gsub(/[^a-zA-Z0-9]/,'')
+  end
   
   def render_thumbnails
-    directory = "/tmp/GS-#{GsParameter.get('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|
+    tmp_dir = "/tmp/fax_convertions/#{self.id}"
+    FileUtils.mkdir_p tmp_dir
+    system("cd #{tmp_dir} && convert #{self.document.path} -colorspace Gray PNG:'fax_page.png'")
+    Dir.glob("#{tmp_dir}/fax_page*.png").each do |thumbnail|
       fax_thumbnail = self.fax_thumbnails.build
-      fax_thumbnail.thumbnail = File.open("#{directory}/fax_page-#{i}.png")
-      fax_thumbnail.save!
+      fax_thumbnail.thumbnail = File.open(thumbnail)
+      fax_thumbnail.save
     end
-    system("rm -rf #{directory}")
-    self.update_attributes(:document_total_pages => number_of_thumbnails) if self.document_total_pages.nil?
+    FileUtils.rm_rf tmp_dir
   end
 
   private
@@ -67,12 +69,12 @@ class FaxDocument < ActiveRecord::Base
     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-#{GsParameter.get('GEMEINSCHAFT_VERSION')}/faxes/#{self.id}"
-    system('mkdir -p ' + directory)
+    FileUtils.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}")
+    FileUtils.rm_rf directory
   end
 
 end