[FIX] hr_Expense_excluded_tax

hr_expense_excluded_tax/models/hr_expense.py

@@ -1,7 +1,7 @@
 # Copyright 2023 Ecosoft Co., Ltd (http://ecosoft.co.th/)
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import fields, models
+from odoo import api, fields, models
 
 
 class HrExpense(models.Model):
@@ -10,3 +10,20 @@ class HrExpense(models.Model):
     tax_ids = fields.Many2many(
         domain="[('company_id', '=', company_id), ('type_tax_use', '=', 'purchase')]",
     )
+
+    @api.depends("total_amount", "tax_ids", "currency_id")
+    def _compute_amount_tax(self):
+        """Calculate untaxed_amount if the user selects
+        excluded tax in a product that has a cost"""
+        res = super()._compute_amount_tax()
+        for expense in self:
+            if expense.product_has_cost:
+                taxes = expense.tax_ids.compute_all(
+                    expense.unit_amount,
+                    expense.currency_id,
+                    expense.quantity,
+                    expense.product_id,
+                    expense.employee_id.user_id.partner_id,
+                )
+                expense.untaxed_amount = taxes.get("total_excluded")
+        return res