receipt update

app/models/printer/printer_worker.rb

@@ -0,0 +1,50 @@
+require 'net/http'
+require 'cups'
+
+class Printer::PrinterWorker
+  attr_accessor :print_settings
+  
+  def initialize(print_settings)
+   self.print_settings = print_settings
+  end
+
+  def printer_destination()
+    if self.print_settings
+      self.print_settings.printer_name
+    else
+      return nil
+    end
+  end
+
+  def print_copies()
+    if self.print_settings
+      self.print_settings.print_copies.to_i
+    else
+      return 1
+    end
+  end
+
+  def printers()
+    Cups.show_destinations
+  end
+
+  def default_printer()
+    Cups.default_printer
+  end
+
+  def print(file_path,printer_destination = nil )
+
+    if printer_destination.nil?
+      printer_destination = self.printer_destination
+    end
+
+    copy = self.print_copies
+    #Print only when printer information is not null
+    if !self.printer_destination.nil?
+      (1..copy).each do
+        page = Cups::PrintJob.new(file_path, printer_destination)
+        page.print
+      end
+    end
+  end
+end