check duplicate batch no

app/controllers/api/batches_controller.rb

@@ -6,10 +6,13 @@ class Api::BatchesController < ApplicationController
 		if !check_member.nil?
 		    date = DateTime.now.beginning_of_day.utc.to_time.strftime("%Y-%m-%d") 
 		    order_ref = params[:order_ref]
+        order_ref=order_ref.delete(' ')	    
         adult_or_child=params[:adult_or_child]
         client_id=params[:client_id]
         product_category_id=params[:product_category_id]
 
+        find_batch=Batch.find_by_order_ref(order_ref)
+        if find_batch.nil?
             find_client=Client.find_by_id(client_id)
             if !find_client.nil?           
                 find_product_category=ProductCategory.find_by_id(product_category_id)
@@ -27,6 +30,9 @@ class Api::BatchesController < ApplicationController
                 end
             else
               @out = false, "Client does not exist!" 
+            end
+        else
+            @out=false,order_ref.to_s+ " is already taken!"
         end
 		else
 			  @out = false, "Sorry!Unauthorized user!"   

lib/tasks/setup.rake

@@ -26,9 +26,11 @@ namespace :setup do
   	task :set_product_category, [:name,:product_type] => :environment do |t, args|  	
       find_product_type=ProductType.find_by_id(args.product_type)
       if !find_product_type.nil?
+
       		find_product_category=ProductCategory.find_by_name(args.name)
  
       		if find_product_category.nil?
+
       			product_category=ProductCategory.new
       			product_category.name=args.name
       			product_category.product_type_id=args.product_type