[update] enable to choose amount adhesion from instance

models/res_partner.py

@@ -368,12 +368,7 @@ class ScopPartner(models.Model):
                 "Vous devez configurer un article et un journal d'adhésion !")
         else:
             effectif = lm.eff_etp
-            if 11 <= effectif <= 50:
-                amount_adhesion = 160
-            elif effectif > 50:
-                amount_adhesion = 235
-            else:
-                amount_adhesion = 80
+            amount_adhesion = self.get_amount_adhesion(effectif)
 
             Invoice = self.env['account.invoice']
             InvoiceLine = self.env['account.invoice.line']
@@ -401,6 +396,20 @@ class ScopPartner(models.Model):
 
             return adhesion_invoice
 
+    @api.multi
+    def get_amount_adhesion(self, effectif):
+        """
+        Return amount adhésion thanks to effectif
+        """
+        self.ensure_one()
+        if 11 <= effectif <= 50:
+            amount_adhesion = 160
+        elif effectif > 50:
+            amount_adhesion = 235
+        else:
+            amount_adhesion = 80
+            return amount_adhesion
+
     @api.multi
     def affectation_direccte(self):
         """ Affecte DIRECCTE thanks to zip_department