fixed inventory

app/models/stock_journal.rb

@@ -5,22 +5,40 @@ class StockJournal < ApplicationRecord
 
   def self.add_to_journal(item, balance, stock_message, inventory_definition) # item => saleObj | balance => Stock journal
     journal = StockJournal.new
-    journal.credit = balance
+    if item.qty < 0
+      credit_balance = item.qty.abs.to_i
+      debit = 0
+    else
+      credit_balance = balance
+      debit = item.qty
+    end
+
+      journal.credit = credit_balance
+      balance = calculate_balance(balance, item)
+
+      journal.item_code = item.item_instance_code
+      journal.inventory_definition_id = inventory_definition.id
+      journal.debit = debit
+      journal.balance = balance
+      journal.remark = stock_message
+      journal.trans_ref = item.id
+      journal.trans_type = StockJournal::SALES_TRANS
+      journal.save
+
 
-    balance = calculate_balance(balance, item.qty)
 
-    journal.item_code = item.item_instance_code
-    journal.inventory_definition_id = inventory_definition.id
-    journal.debit = item.qty
-    journal.balance = balance
-    journal.remark = stock_message
-    journal.trans_ref = item.id
-    journal.trans_type = StockJournal::SALES_TRANS
-    journal.save
   end
 
-  def self.calculate_balance(balance, qty)
-    return balance.to_i - qty.to_i
+  def self.calculate_balance(balance, item)
+    if item.product_name.downcase.include?("void")
+      logger.debug 'balance++++++++++++++++++'
+      logger.debug balance
+      logger.debug 'qty+++++++++++++++++++++++'
+      logger.debug item.qty
+      return balance.to_i + item.qty.abs.to_i
+    else
+      return balance.to_i - item.qty.to_i
+    end
   end
 
   def self.from_stock_check(item)