From a4cb19e5b187116bee5364d3b049ab44a82a1cf7 Mon Sep 17 00:00:00 2001
From: Benjamin Graillot <graillot@crans.org>
Date: Mon, 23 Mar 2020 09:07:39 +0100
Subject: [PATCH 1/3] [member] Added parent_club field to Club

---
 apps/member/models.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/member/models.py b/apps/member/models.py
index cdbb9332..41f5bdf3 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -67,6 +67,13 @@ class Club(models.Model):
     email = models.EmailField(
         verbose_name=_('email'),
     )
+    parent_club = models.ForeignKey(
+        'self',
+        null=True,
+        blank=True,
+        on_delete=models.PROTECT,
+        verbose_name=_('parent club'),
+    )
 
     # Memberships
     membership_fee = models.PositiveIntegerField(

From c86ddf17adac96e83367acbc722be29e07395639 Mon Sep 17 00:00:00 2001
From: Benjamin Graillot <graillot@crans.org>
Date: Wed, 25 Mar 2020 17:54:28 +0100
Subject: [PATCH 2/3] [member] Check membership of parent club

---
 apps/member/models.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/apps/member/models.py b/apps/member/models.py
index 41f5bdf3..e5304bdd 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -4,6 +4,7 @@
 import datetime
 
 from django.conf import settings
+from django.core.exceptions import ValidationError
 from django.db import models
 from django.urls import reverse, reverse_lazy
 from django.utils.translation import gettext_lazy as _
@@ -165,6 +166,12 @@ class Membership(models.Model):
         else:
             return self.date_start.toordinal() <= datetime.datetime.now().toordinal()
 
+    def save(self, *args, **kwargs):
+        if self.club.parent_club is not None:
+            if not Membership.objects.filter(user=self.user, club=self.club.parent_club):
+				raise ValidationError(_('User is not a member of the parent club'))
+        super().save(*args, **kwargs)
+
     class Meta:
         verbose_name = _('membership')
         verbose_name_plural = _('memberships')

From 59cd166b790616ae815948735264fee0b10ec2f7 Mon Sep 17 00:00:00 2001
From: Benjamin Graillot <graillot@crans.org>
Date: Wed, 25 Mar 2020 18:05:46 +0100
Subject: [PATCH 3/3] [member] tabs --> spaces

---
 apps/member/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apps/member/models.py b/apps/member/models.py
index e5304bdd..d0051e59 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -169,7 +169,7 @@ class Membership(models.Model):
     def save(self, *args, **kwargs):
         if self.club.parent_club is not None:
             if not Membership.objects.filter(user=self.user, club=self.club.parent_club):
-				raise ValidationError(_('User is not a member of the parent club'))
+                raise ValidationError(_('User is not a member of the parent club'))
         super().save(*args, **kwargs)
 
     class Meta: