scop_contribution.py

# © 2020 Le Filament (<http://www.le-filament.com>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).

from odoo import models, fields, api


class ScopContributions(models.Model):
    _inherit = "scop.contribution"

    invoice_id = fields.Many2one(
        comodel_name='account.invoice',
        string='Facture liée',
        ondelete='cascade')
    amount_paid = fields.Float(
        compute='_compute_amount_paid', store=True)
    amount_remaining = fields.Float(
        compute='_compute_amount_remaining_previous', store=True)

    @api.depends('amount_remaining')
    @api.multi
    def _compute_amount_paid(self):
        for r in self:
            r.amount_paid = r.invoice_id.amount_total - r.amount_remaining

    @api.depends('invoice_id.residual')
    @api.multi
    def _compute_amount_remaining_previous(self):
        for r in self:
            r.amount_remaining = r.invoice_id.residual