[FIX] account_payment_term: Add cash_rounding support in _compute_ter…

…ms()

Required since odoo/odoo@84b03f7

account_payment_term_extension/models/account_payment_term.py

@@ -226,6 +226,7 @@ def _compute_terms(
         sign,
         untaxed_amount,
         untaxed_amount_currency,
+        cash_rounding=None,
     ):
         """Complete overwrite of compute method for adding extra options."""
         # FIXME: Find an inheritable way of doing this
@@ -240,6 +241,8 @@ def _compute_terms(
         total_amount_currency = remaining_amount_currency = (
             tax_amount_currency + untaxed_amount_currency
         )
+        foreign_rounding_amount = 0
+        company_rounding_amount = 0
         result = []
         precision_digits = currency.decimal_places
         company_precision_digits = company_currency.decimal_places
@@ -350,15 +353,44 @@ def _compute_terms(
             tax_amount_currency_left -= line_tax_amount_currency
             untaxed_amount_left -= line_untaxed_amount
             untaxed_amount_currency_left -= line_untaxed_amount_currency
+
+            if cash_rounding and line.value in ["fixed", "percent"]:
+                cash_rounding_difference_currency = cash_rounding.compute_difference(
+                    currency, term_vals["foreign_amount"]
+                )
+                if not currency.is_zero(cash_rounding_difference_currency):
+                    rate = (
+                        abs(term_vals["foreign_amount"] / term_vals["company_amount"])
+                        if term_vals["company_amount"]
+                        else 1.0
+                    )
+
+                    foreign_rounding_amount += cash_rounding_difference_currency
+                    term_vals["foreign_amount"] += cash_rounding_difference_currency
+
+                    company_amount = company_currency.round(
+                        term_vals["foreign_amount"] / rate
+                    )
+                    cash_rounding_difference = (
+                        company_amount - term_vals["company_amount"]
+                    )
+                    if not currency.is_zero(cash_rounding_difference):
+                        company_rounding_amount += cash_rounding_difference
+                        term_vals["company_amount"] = company_amount
+
             remaining_amount = tax_amount_left + untaxed_amount_left
             remaining_amount_currency = (
                 tax_amount_currency_left + untaxed_amount_currency_left
             )
 
             if line.value == "balance":
-                term_vals["company_amount"] = tax_amount_left + untaxed_amount_left
+                term_vals["company_amount"] = (
+                    tax_amount_left + untaxed_amount_left - company_rounding_amount
+                )
                 term_vals["foreign_amount"] = (
-                    tax_amount_currency_left + untaxed_amount_currency_left
+                    tax_amount_currency_left
+                    + untaxed_amount_currency_left
+                    - foreign_rounding_amount
                 )
                 line_tax_amount = tax_amount_left
                 line_tax_amount_currency = tax_amount_currency_left
@@ -390,5 +422,25 @@ def _compute_terms(
                     days=line.discount_days
                 )
 
+            if cash_rounding and line.discount_percentage:
+                cash_rounding_difference_currency = cash_rounding.compute_difference(
+                    currency, term_vals["discount_amount_currency"]
+                )
+                if not currency.is_zero(cash_rounding_difference_currency):
+                    rate = (
+                        abs(
+                            term_vals["discount_amount_currency"]
+                            / term_vals["discount_balance"]
+                        )
+                        if term_vals["discount_balance"]
+                        else 1.0
+                    )
+                    term_vals[
+                        "discount_amount_currency"
+                    ] += cash_rounding_difference_currency
+                    term_vals["discount_balance"] = company_currency.round(
+                        term_vals["discount_amount_currency"] / rate
+                    )
+
             result.append(term_vals)
         return result