refactor-function-with-high-code-cognitive-complexity

refactor-function-with-high-code-cognitive-complexity.py

 # this method was extract from a cheque class
 def create(self, vals):
        if "amount" not in vals:
            raise ValidationError(_("Cheque amount must be provided"))

        if "amount" in vals and vals["amount"] <= 0:
            raise ValidationError(_("Cheque amount must be greater than zero"))

        if "special_clearing" in vals and vals["special_clearing"]:
            vals["special_note"] = "Special Clearing"

        if "internal_hold" in vals and vals["internal_hold"]:
            vals["state"] = "internally_held"
        elif "internal_hold" in vals and not vals["internal_hold"]:
            vals["state"] = "draft"
        else:
            vals["state"] = "draft"

        if "acc_no" in vals and vals["acc_no"]:
            if "branch_code" in vals:
                cheques = self.search(
                    [
                        ("reference", "=", vals["reference"]),
                        ("acc_no", "=", vals["acc_no"]),
                        ("branch_code", "=", vals["branch_code"]),
                        ("state", "!=", "cancelled"),
                    ]
                )

                if cheques:
                    raise ValidationError(
                        _("This cheque/Slip has already been recorded")
                    )
                partner_account = self._model_partner_cheque_account().search(
                    [
                        ("acc_no", "=", vals["acc_no"]),
                        ("branch_id", "=", vals["branch"]),
                    ]
                )

                if not partner_account:
                    partner_account.create(
                        {
                            "partner": vals["partner"],
                            "branch_id": vals["branch"],
                            "acc_no": vals["acc_no"],
                            "currency_id": vals["currency_id"],
                        }
                    )

            else:
                cheques = self.search(
                    [
                        ("reference", "=", vals["reference"]),
                        ("acc_no", "=", vals["acc_no"]),
                        ("state", "!=", "cancelled"),
                    ]
                )

                if cheques:
                    raise ValidationError(
                        _("This cheque/Slip has already been recorded")
                    )

        res = super(QuantumCheque, self).create(vals)
        return res