fix seed

app/models/seed_generator.rb

@@ -14,22 +14,14 @@ class SeedGenerator < ApplicationRecord
 
   # Generate Receipt No
   def self.new_receipt_no
-    seed = SeedGenerator.find_by_model("sale")
+     # Only return seed no
-    new_receipt_no = 0
+    cur_val, next_val = self.update_seed("sale")
-    if (seed.nil?)
-      seed = SeedGenerator.new()
-      seed.model = "sale"
-      new_receipt_no = seed.next
-      seed.save
 
-    else
+    if (cur_val == 0)
-      current_no = seed.next
+      cur_val, next_val = self.execute_query("sale")
-      seed.next = seed.next
+    end 
-      seed.current = current_no
-      seed.save
-    end
 
-    return seed.current
+    return cur_val 
   end
 
   # Generate for 4 digit Code