lingo: make URL static in TipiPaymentFormCell (#55244)

combo/apps/lingo/migrations/0043_auto_20210628_1849.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.2.19 on 2021-06-28 16:49
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lingo', '0042_text_to_jsonb'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='tipipaymentformcell',
+            name='url',
+        ),
+    ]

combo/apps/lingo/models.py

@@ -1285,9 +1285,6 @@ TIPI_CONTROL_PROCOTOLS = (
 @register_cell_class
 class TipiPaymentFormCell(CellBase):
     title = models.CharField(_('Title'), max_length=150, blank=True)
-    url = models.URLField(
-        _('TIPI payment service URL'), default='https://www.payfip.gouv.fr/tpa/paiement.web'
-    )
     regies = models.CharField(
         _('Regies'),
         help_text=_(
@@ -1324,6 +1321,10 @@ class TipiPaymentFormCell(CellBase):
     class Media:
         js = ('js/tipi.js',)
 
+    @property
+    def url(self):
+        return getattr(settings, 'LINGO_TIPI_CELL_PAYMENT_URL', 'https://www.payfip.gouv.fr/tpa/paiement.web')
+
     def get_cell_extra_context(self, context):
         extra_context = super(TipiPaymentFormCell, self).get_cell_extra_context(context)
         form_fields = self.get_default_form_class().base_fields