update filter in sale and order and creditnote

app/controllers/transactions/credit_notes_controller.rb

@@ -5,9 +5,25 @@ class Transactions::CreditNotesController < ApplicationController
   # GET /transactions/sales.json
   def index
     
-   @sales = Sale.where('payment_status = ?', Sale::SALE_STATUS_OUTSTANDING)
-    
-    
+    @customers = Customer.all
+
+      filter   = params[:filter]
+      customer = params[:customer]
+      from     = params[:from]
+      to       = params[:to]
+
+      if filter.nil? && from.nil? && to.nil? && customer.nil?
+          @sales = Sale.where('payment_status = ?', Sale::SALE_STATUS_OUTSTANDING)
+          puts "cccccccccccc"
+      else
+          sale = Sale.search_credit_sales(customer,filter,from,to) 
+          if sale.count > 0
+             @sales = sale 
+             @sales = Kaminari.paginate_array(@sales).page(params[:page]).per(50)
+           else
+             @sales = 0
+           end  
+      end    
 
     respond_to do |format|
       format.html # index.html.erb