Merge pull request #1613 from siddhantbajaj/read-qr

Scan QR code.

app/controllers/admin/ticket_scannings_controller.rb

@@ -0,0 +1,16 @@
+module Admin
+  class TicketScanningsController < Admin::BaseController
+    before_action :authenticate_user!
+    load_resource :physical_ticket, find_by: :token
+    # We authorize manually in these actions
+    skip_authorize_resource only: [:create]
+
+    def create
+      @ticket_scanning = TicketScanning.new(physical_ticket: @physical_ticket)
+      authorize! :create, @ticket_scanning
+      @ticket_scanning.save
+      redirect_to conferences_path,
+                  notice: "Ticket with token #{@physical_ticket.token} successfully scanned."
+    end
+  end
+end