[IMP] l10n_it_riba: Propagate supplier company bank account to bill

l10n_it_riba/models/account.py

@@ -119,6 +119,41 @@ def _compute_open_amount(self):
         states={"draft": [("readonly", False)]},
     )
 
+    def _domain_riba_supplier_company_bank_id(self):
+        """Allow to select bank accounts linked to the current company."""
+        return self.env["res.partner.bank"]._domain_riba_partner_bank_id()
+
+    riba_supplier_company_bank_id = fields.Many2one(
+        comodel_name="res.partner.bank",
+        compute="_compute_riba_supplier_company_bank_id",
+        domain=_domain_riba_supplier_company_bank_id,
+        help="Bank account used for the RiBa of this vendor bill.",
+        readonly=False,
+        states={
+            "posted": [
+                ("readonly", True),
+            ],
+        },
+        store=True,
+        string="Company Bank Account for Supplier",
+    )
+
+    @api.depends(
+        "is_riba_payment",
+    )
+    def _compute_riba_supplier_company_bank_id(self):
+        for move in self:
+            is_riba_payment = move.is_riba_payment
+            is_purchase_document = move.is_purchase_document(include_receipts=True)
+            partner_riba_bank_account = (
+                move.partner_id.property_riba_supplier_company_bank_id
+            )
+            if is_riba_payment and is_purchase_document and partner_riba_bank_account:
+                riba_bank_account = partner_riba_bank_account
+            else:
+                riba_bank_account = False
+            move.riba_supplier_company_bank_id = riba_bank_account
+
     @api.model_create_multi
     def create(self, vals_list):
         invoices = super().create(vals_list)

l10n_it_riba/tests/test_riba.py

@@ -862,3 +862,26 @@ def test_supplier_company_bank_account_domain(self):
         # Assert: only the bank account of current company is found
         self.assertIn(current_bank_account, bank_accounts)
         self.assertNotIn(other_bank_account, bank_accounts)
+
+    def test_supplier_to_bill_company_bank_account(self):
+        """A supplier has a company bank account,
+        it is propagated to its vendor bill."""
+        # Arrange
+        bank_account = self.company_bank
+        payment_term = self.payment_term1
+        supplier = self.partner
+        supplier.property_supplier_payment_term_id = payment_term
+        supplier.property_riba_supplier_company_bank_id = bank_account
+        self.assertTrue(payment_term.riba)
+
+        # Act: Create the vendor bill
+        bill = self.env["account.move"].create(
+            {
+                "move_type": "in_invoice",
+                "partner_id": supplier.id,
+                "invoice_payment_term_id": payment_term.id,
+            }
+        )
+
+        # Assert
+        self.assertEqual(bill.riba_supplier_company_bank_id, bank_account)

l10n_it_riba/views/account_view.xml

@@ -149,6 +149,16 @@
                     attrs="{'invisible': ['|',('is_riba_payment','=', False),('move_type','!=','out_invoice')], 'required': ['&',('is_riba_payment','=', True),('move_type','=', 'out_invoice')]}"
                     domain="[('partner_id','=', commercial_partner_id)]"
                 />
+                <field
+                    name="riba_supplier_company_bank_id"
+                    attrs="{
+                        'invisible': [
+                            '|',
+                                ('is_riba_payment', '=', False),
+                                ('move_type', '!=', 'in_invoice'),
+                        ],
+                    }"
+                />
                 <field
                     name="is_past_due"
                     string="Past Due"