[modif] compute champs amount_paid + amount_remaining si invoice_id

models/__init__.py

@@ -5,3 +5,4 @@ from . import account_invoice
 from . import chart_template
 from . import res_company
 from . import res_config_settings
+from . import scop_contribution

models/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')
+    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