[IMP] account_reconcile_oca: Fix multicurrency journal management

The main idea of this commit is to show the right currency amount

account_reconcile_oca/models/account_reconcile_abstract.py

@@ -53,18 +53,15 @@ class AccountReconcileAbstract(models.AbstractModel):
                 if amount < currency_max_amount < 0:
                     amount = currency_max_amount
                     net_amount = max_amount
-            amount = -amount
+            currency_amount = -amount
             original_amount = -original_amount
             net_amount = -net_amount
+            amount = amount_currency._convert(
+                currency_amount, self.company_id.currency_id, self.company_id, date
+            )
         else:
             amount_currency = line.currency_id
-            amount = self.company_id.currency_id._convert(
-                amount, amount_currency, self.company_id, date
-            )
-        currency_amount = amount
-        amount = amount_currency._convert(
-            amount, self.company_id.currency_id, self.company_id, date
-        )
+            currency_amount = line.amount_currency
         vals = {
             "reference": "account.move.line;%s" % line.id,
             "id": line.id,

account_reconcile_oca/tests/test_bank_account_reconcile.py

@@ -1020,3 +1020,54 @@ class TestReconciliationWidget(TestAccountReconciliationCommon):
         self.assertTrue(bank_stmt_line.can_reconcile)
         bank_stmt_line.reconcile_bank_line()
         self.assertEqual(0, inv1.amount_residual)
+
+    def test_journal_foreign_currency_change(self):
+        self.env["res.currency.rate"].create(
+            {
+                "currency_id": self.env.ref("base.EUR").id,
+                "name": time.strftime("%Y-07-14"),
+                "rate": 1.15,
+            }
+        )
+        bank_stmt = self.acc_bank_stmt_model.create(
+            {
+                "company_id": self.env.ref("base.main_company").id,
+                "journal_id": self.bank_journal_usd.id,
+                "date": time.strftime("%Y-07-15"),
+                "name": "test",
+            }
+        )
+        bank_stmt_line = self.acc_bank_stmt_line_model.create(
+            {
+                "name": "testLine",
+                "journal_id": self.bank_journal_usd.id,
+                "statement_id": bank_stmt.id,
+                "amount": 100,
+                "date": time.strftime("%Y-07-15"),
+            }
+        )
+        with Form(
+            bank_stmt_line,
+            view="account_reconcile_oca.bank_statement_line_form_reconcile_view",
+        ) as f:
+            line = f.reconcile_data_info["data"][0]
+            self.assertEqual(
+                line["currency_amount"],
+                100,
+            )
+        self.env["res.currency.rate"].create(
+            {
+                "currency_id": self.env.ref("base.EUR").id,
+                "name": time.strftime("%Y-07-15"),
+                "rate": 1.2,
+            }
+        )
+        with Form(
+            bank_stmt_line,
+            view="account_reconcile_oca.bank_statement_line_form_reconcile_view",
+        ) as f:
+            line = f.reconcile_data_info["data"][0]
+            self.assertEqual(
+                line["currency_amount"],
+                100,
+            )