From 4b735cff69f9ac8f316d25d095c079d971024eb1 Mon Sep 17 00:00:00 2001
From: siddhantbajaj <sbajaj1997@gmail.com>
Date: Thu, 27 Jul 2017 17:25:17 +0530
Subject: [PATCH] Added qr code

Added qr code on ticket pdf and ticket show page.
---
 app/assets/stylesheets/osem.css.scss          | 4 ++++
 app/controllers/physical_ticket_controller.rb | 1 +
 app/pdfs/ticket_pdf.rb                        | 6 +++++-
 app/views/physical_ticket/show.html.haml      | 1 +
 4 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/assets/stylesheets/osem.css.scss b/app/assets/stylesheets/osem.css.scss
index 775418b3..79768c5d 100644
--- a/app/assets/stylesheets/osem.css.scss
+++ b/app/assets/stylesheets/osem.css.scss
@@ -99,4 +99,8 @@ p.comment-body {
 .side-nav-btn{
  margin-left: 10px;
  float: left;
+ }
+
+.qr-image{
+  margin-left: 120px;
 }
diff --git a/app/controllers/physical_ticket_controller.rb b/app/controllers/physical_ticket_controller.rb
index fb25ae63..af02155c 100644
--- a/app/controllers/physical_ticket_controller.rb
+++ b/app/controllers/physical_ticket_controller.rb
@@ -13,6 +13,7 @@ class PhysicalTicketController < ApplicationController
     @file_name = "ticket_for_#{@conference.short_title}"
     @user = @physical_ticket.user
     @ticket_layout = @conference.ticket_layout.to_sym
+    @qrcode_image = RQRCode::QRCode.new(@physical_ticket.token).as_png(size: 180, border_modules: 0)
     respond_to do |format|
       format.html
       format.pdf do
diff --git a/app/pdfs/ticket_pdf.rb b/app/pdfs/ticket_pdf.rb
index 1c26ec77..ecb4cd2c 100644
--- a/app/pdfs/ticket_pdf.rb
+++ b/app/pdfs/ticket_pdf.rb
@@ -77,5 +77,9 @@ class TicketPdf < Prawn::Document
     move_up 180
   end
 
-  def draw_fourth_square; end
+  def draw_fourth_square
+    x = @mid_horizontal + (@right - @mid_horizontal - 180) / 2
+    y = cursor - (bounds.top - @mid_vertical - 180) / 2
+    print_qr_code(@physical_ticket.token, pos: [x, y], extent: 180, stroke: false)
+  end
 end
diff --git a/app/views/physical_ticket/show.html.haml b/app/views/physical_ticket/show.html.haml
index 067f0a9b..40513ae8 100644
--- a/app/views/physical_ticket/show.html.haml
+++ b/app/views/physical_ticket/show.html.haml
@@ -67,6 +67,7 @@
         = @physical_ticket.ticket_purchase.id
         %br
     .col-md-5.col-md-offset-2.box.well
+      = image_tag(@qrcode_image.to_data_url, class: 'img-responsive qr-image')
   .row
     .col-md-12
       %p.text-left