sale receipt no

app/models/seed_generator.rb

@@ -12,16 +12,24 @@ class SeedGenerator < ApplicationRecord
     return saleOrderId 
   end
 
-  # Generate Receipt No
+  # Generate Receipt No for number order (1,2,3) Don't touch
   def self.new_receipt_no
-     # Only return seed no
-    cur_val, next_val = self.update_seed("sale")
+    seed = SeedGenerator.find_by_model("sale")
+    new_receipt_no = 0
+    if (seed.nil?)
+      seed = SeedGenerator.new()
+      seed.model = "sale"
+      new_receipt_no = seed.next
+      seed.save
 
-    if (cur_val == 0)
-      cur_val, next_val = self.execute_query("sale")
-    end 
+    else
+      current_no = seed.next
+      seed.next = seed.next
+      seed.current = current_no
+      seed.save
+    end
 
-    return cur_val 
+    return seed.current 
   end
 
   # Generate for 4 digit Code