change receipt no generator

app/models/sale.rb

@@ -3,7 +3,7 @@ class Sale < ApplicationRecord
 
   #primary key - need to be unique generated for multiple shops
   before_create :generate_custom_id
-  #before_create :generate_receipt_no
+  before_create :generate_receipt_no
   belongs_to :cashier, :optional => true
   belongs_to :customer, :optional => true
   belongs_to :employees
@@ -76,7 +76,7 @@ class Sale < ApplicationRecord
       return false, "Invoice is void. Cannot be edited"
     else
       #if this is new sale generate_receipt_no
-      generate_receipt_no
+      # generate_receipt_no
       order = Order.find(order_id)
 
       #Default Tax - Values
@@ -698,19 +698,20 @@ class Sale < ApplicationRecord
   def generate_receipt_no
     #shop_code and client_code
     shop_details =  Shop.first
-
     #Date-Shift-
     if self.receipt_no.nil?
       prefix = DateTime.now().utc
       #self.receipt_no = prefix.to_s + "/" + self.shit_id.to_s + "/" + SeedGenerator.new_receipt_no().to_s
+      new_receipt_no = SeedGenerator.new_receipt_no().to_s
+
       if !shop_details.nil?
         if !shop_details.shop_code.nil?
-          self.receipt_no = shop_details.shop_code + "-" + prefix.strftime("%Y%m%d") + "-" + SeedGenerator.new_receipt_no().to_s
+          self.receipt_no = shop_details.shop_code + "-" + prefix.strftime("%Y%m%d") + "-" + new_receipt_no
         else
-          self.receipt_no = prefix.strftime("%Y%m%d") + "-" + SeedGenerator.new_receipt_no().to_s
+          self.receipt_no = prefix.strftime("%Y%m%d") + "-" + new_receipt_no
         end
       else
-        self.receipt_no = prefix.strftime("%Y%m%d") + "-" + SeedGenerator.new_receipt_no().to_s
+        self.receipt_no = prefix.strftime("%Y%m%d") + "-" + new_receipt_no
       end
 
       self.receipt_date = prefix

app/models/seed_generator.rb

@@ -21,45 +21,43 @@ class SeedGenerator < ApplicationRecord
       seed.model = "Sale"
       new_receipt_no = seed.next
       seed.save
-
-    else
-      current_no = seed.next
-      seed.next = seed.next
-      seed.current = current_no
-      seed.save
+    # else
+      # current_no = seed.next
+      # seed.next = seed.next
+      # seed.current = current_no
+      # seed.save
     end
 
     return seed.current 
   end
 
   # Generate for 4 digit Code
-  def self.generate_code(model, prefix)
-    seed = SeedGenerator.find_by_model(model)
-    new_code = 0
+  # def self.generate_code(model, prefix)
+  #   seed = SeedGenerator.find_by_model(model)
+  #   new_code = 0
 
-    if (seed.nil?)
-      seed = SeedGenerator.new()
-      seed.model = model
-      new_code = seed.next
-      seed.save
-    else
-      current_no = seed.next
-      seed.next = seed.next + seed.increase_by
-      seed.current = current_no
-      seed.save
-    end
+  #   if (seed.nil?)
+  #     seed = SeedGenerator.new()
+  #     seed.model = model
+  #     new_code = seed.next
+  #     seed.save
+  #   else
+  #     current_no = seed.next
+  #     seed.next = seed.next + seed.increase_by
+  #     seed.current = current_no
+  #     seed.save
+  #   end
 
-    
-    if prefix.length == 1
-      padding_len = 5 - prefix.length
-      count = 4-prefix.length
-    else prefix.length == 2
-      padding_len = 6 - prefix.length
-      count = 5-prefix.length
-    end
-    next_code = prefix + seed.current.to_s.to_s.rjust((count)+1,'0')    
-    return next_code
-  end
+  #   if prefix.length == 1
+  #     padding_len = 5 - prefix.length
+  #     count = 4-prefix.length
+  #   else prefix.length == 2
+  #     padding_len = 6 - prefix.length
+  #     count = 5-prefix.length
+  #   end
+  #   next_code = prefix + seed.current.to_s.to_s.rjust((count)+1,'0')    
+  #   return next_code
+  # end
 
   def self.execute_query(model)
     current = 0
@@ -85,7 +83,7 @@ class SeedGenerator < ApplicationRecord
     current = 0
     nex = 0
 
-    update_sql = "UPDATE seed_generators set current = current + 1, next = next + 1 WHERE model='#{model}';"
+    update_sql = "UPDATE seed_generators set current = next, next = next + 1 WHERE model='#{model}';"
     select_sql = "select * from seed_generators where model='#{model}';"
     update_result = ActiveRecord::Base.connection.execute(update_sql);