update waste and spoilage

app/models/sale.rb

@@ -1109,6 +1109,16 @@ def self.get_payment_method_by_shift(shift_sale_range,shift,from,to,payment_type
     return all_total,sale_type
 end
 
+def self.get_wastes_and_spoilages(from,to,status)
+  if status == "spoile"
+    type = "and sales.sale_status = 'spoile'"
+  else
+    type = "and sales.sale_status = 'waste'"
+  end
+  query = Sale.all.where("sales.receipt_date between ? and ? #{type}",from,to)
+                  .group("sales.receipt_no")
+end
+
 # def self.get_separate_tax(from,to,payment_method=nil)
 
 #     query = SaleTax.select("SUM(tax_payable_amount) AS st_amount,tax_name")