[MOD] account invoice

Inherited write of account invoice to change state of benefits to charged when the invoice gets fully paid

models/account_invoice.py

@@ -10,6 +10,14 @@ class AccountInvoice(models.Model):
 
     medical_invoice_id = fields.Many2one('medical.invoice', string='Medical invoice')
 
+    @api.multi
+    def write(self, vals):
+        super(AccountInvoice, self).write(vals)
+        for invoice in self:
+            if invoice.state == 'paid':
+                i_lines = invoice.invoice_line_ids.filtered(lambda x:x.benefit_id.invoice_id == self and x.benefit_id.state == 'invoiced').mapped('benefit_id')
+                i_lines.write({'state': 'charged'})
+
     @api.multi
     def button_reconcile_refund(self):
         aml_ids = self.move_id.line_ids.filtered(lambda r: not r.reconciled and r.account_id.internal_type in ('payable','receivable'))