update qr code system and add location setter for suppliers

app/controllers/dashboard_controller.rb

@@ -29,11 +29,12 @@ class DashboardController < ApplicationController
   # GET /select_qr_image.svg
   def table_qr_image
     @table = Table.find(params[:table_id])
-    code = {table_id: @table.id}.to_json
+    #code = [get_the_app_url, {table_id: @table.id}.to_json].join('?')
+    code = "#{scan_url}?json=#{{table_id: @table.id}.to_json}"
     respond_to do |format|
       format.html
       format.svg { render :qrcode => code, :level => :l, :unit => 10, table_number: @table.number, qcontainer: true }
-      format.png { render qrcode: code, table_number: @table.number, qcontainer: true }
+      format.png { render qrcode: code, level: :l, table_number: @table.number, qcontainer: true }
     end
   end
 
@@ -41,9 +42,13 @@ class DashboardController < ApplicationController
     code = 'qwaiter.com'
     respond_to do |format|
       format.html
-      format.svg { render :qrcode => code, :level => :l, :unit => 10}
-      format.png { render qrcode: code}
+      format.png { render qrcode: code, level: :h, unit: 10, size: 12}
+      format.svg { render qrcode: code, level: :h, unit: 10, size: 12}
     end
   end
 
+  def scan
+
+  end
+
 end