Display payment information on the sidebar

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

registration/models.py

@@ -363,6 +363,29 @@ class StudentRegistration(ParticipantRegistration):
                     'content': content,
                 })
 
+        if self.team and self.team.participation.valid:
+            if self.payment.valid is False:
+                text = _("You have to pay {amount} € for your registration, or send a scholarship "
+                         "notification or a payment proof. "
+                         "You can do it on <a href=\"{url}\">the payment page</a>.")
+                url = reverse_lazy("registration:update_payment", args=(self.payment.id,))
+                content = format_lazy(text, amount=self.team.participation.tournament.price, url=url)
+                informations.append({
+                    'title': _("Payment"),
+                    'type': "danger",
+                    'priority': 3,
+                    'content': content,
+                })
+            elif self.payment.valid is None:
+                text = _("Your payment is under approval.")
+                content = text
+                informations.append({
+                    'title': _("Payment"),
+                    'type': "warning",
+                    'priority': 3,
+                    'content': content,
+                })
+
         return informations
 
     class Meta: