account-financial-reporting/mis_builder_cash_flow/models/mis_cash_flow_forecast_line.py

# Copyright 2019 ADHOC SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import _, api, fields, models
from odoo.exceptions import ValidationError


class MisCashFlowForecastLine(models.Model):

    _name = "mis.cash_flow.forecast_line"
    _description = "MIS Cash Flow Forecast Line"

    date = fields.Date(required=True, index=True,)
    account_id = fields.Many2one(
        comodel_name="account.account",
        string="Account",
        required=True,
        help="The account of the forecast line is only for informative purpose",
    )
    partner_id = fields.Many2one(comodel_name="res.partner", string="Partner",)
    name = fields.Char(required=True, default="/",)
    balance = fields.Float(required=True,)
    company_id = fields.Many2one(
        "res.company",
        string="Company",
        required=True,
        default=lambda self: self.env.user.company_id.id,
        index=True,
    )

    @api.constrains("company_id", "account_id")
    def _check_company_id_account_id(self):
        if self.filtered(lambda x: x.company_id != x.account_id.company_id):
            raise ValidationError(
                _("The Company and the Company of the Account must be the same.")
            )