prints, excels,pdf gems

Gemfile

@@ -24,6 +24,12 @@ gem 'simple_form'
 gem 'bootstrap', '~> 4.0.0.alpha3'
 gem "font-awesome-rails"
 
+#Report and Printing gems
+gem 'cups', '~> 0.0.7'
+gem 'prawn'
+gem 'prawn-table'
+gem 'spreadsheet'
+gem 'to_xls-rails'
 
 # Use jquery as the JavaScript library
 gem 'jquery-rails'

Gemfile.lock

@@ -55,6 +55,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
+    cups (0.0.7)
     database_cleaner (1.5.3)
     debug_inspector (0.0.2)
     diff-lcs (1.3)
@@ -98,6 +99,12 @@ GEM
     nio4r (2.0.0)
     nokogiri (1.7.1)
       mini_portile2 (~> 2.1.0)
+    pdf-core (0.7.0)
+    prawn (2.2.2)
+      pdf-core (~> 0.7.0)
+      ttfunk (~> 1.5)
+    prawn-table (0.2.2)
+      prawn (>= 1.3.0, < 3.0.0)
     puma (3.8.2)
     rack (2.0.1)
     rack-test (0.6.3)
@@ -146,6 +153,7 @@ GEM
       rspec-mocks (~> 3.5.0)
       rspec-support (~> 3.5.0)
     rspec-support (3.5.0)
+    ruby-ole (1.2.12.1)
     sass (3.4.23)
     sass-rails (5.0.6)
       railties (>= 4.0.0, < 6)
@@ -160,6 +168,8 @@ GEM
     simple_form (3.4.0)
       actionpack (> 4, < 5.1)
       activemodel (> 4, < 5.1)
+    spreadsheet (1.1.4)
+      ruby-ole (>= 1.0)
     spring (2.0.1)
       activesupport (>= 4.2)
     spring-watcher-listen (2.0.1)
@@ -175,6 +185,9 @@ GEM
     thor (0.19.4)
     thread_safe (0.3.6)
     tilt (2.0.7)
+    to_xls-rails (1.3.1)
+      spreadsheet (>= 0.8.5)
+    ttfunk (1.5.0)
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.0)
@@ -199,6 +212,7 @@ DEPENDENCIES
   bootstrap (~> 4.0.0.alpha3)
   byebug
   coffee-rails (~> 4.2)
+  cups (~> 0.0.7)
   database_cleaner
   factory_girl_rails (~> 4.0)
   faker
@@ -207,6 +221,8 @@ DEPENDENCIES
   jquery-rails
   listen (~> 3.0.5)
   mysql2 (>= 0.3.18, < 0.5)
+  prawn
+  prawn-table
   puma (~> 3.0)
   rails (~> 5.0.2)
   rspec-rails (~> 3.5)
@@ -214,12 +230,14 @@ DEPENDENCIES
   schema_to_scaffold
   shoulda-matchers (~> 3.1)
   simple_form
+  spreadsheet
   spring
   spring-watcher-listen (~> 2.0.0)
+  to_xls-rails
   turbolinks (~> 5)
   tzinfo-data
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
 
 BUNDLED WITH
-   1.13.7
+   1.14.6

app/models/print_worker.rb

@@ -0,0 +1,20 @@
+require 'cups'
+
+class PrintWorker
+  def self.printers()
+    Cups.show_destinations
+  end
+
+  def self.default_printer()
+    Cups.default_printer
+  end
+
+  def self.print_receipt_cashgo(sale,receipt_setting, printer_destination,order_id)
+
+    pdf = CashPdf.new(sale,receipt_setting,order_id)
+    pdf.render_file "tmp/receipt_#{sale.receipt_no}" + ".pdf"
+
+    page = Cups::PrintJob.new("tmp/receipt_#{sale.receipt_no}.pdf", printer_destination)
+    page.print
+  end
+end