Adds event count for a club in the admin

tournaments/admin.py

@@ -48,7 +48,7 @@ class EventAdmin(admin.ModelAdmin):
     list_display = ['name', 'club', 'creation_date', 'creator']
 
 class ClubAdmin(admin.ModelAdmin):
-    list_display = ['name', 'acronym', 'phone']
+    list_display = ['name', 'acronym', 'events_count']
 
 class PurchaseAdmin(admin.ModelAdmin):
     list_display = ['user', 'identifier', 'purchase_date', 'product_id', 'quantity']

tournaments/models/club.py

@@ -18,3 +18,6 @@ class Club(models.Model):
 
     def __str__(self):
         return self.name
+
+    def events_count(self):
+        return len(self.event_set.all())