feat(event): option to disable an event

polylan_submitter/events/models.py

@@ -14,9 +14,21 @@ class BaseModel(models.Model):
         abstract = True
 
 
+class EventQuerySet(models.QuerySet):
+    def available_to(self, user):
+        """Unavailable events are hidden from everyone but staff, so they can
+        still be prepared before being opened up."""
+        if user is not None and user.is_staff:
+            return self
+        return self.filter(is_available=True)
+
+
 class Event(BaseModel):
     name = models.CharField(max_length=255)
     path = models.SlugField(max_length=100, unique=True)
+    is_available = models.BooleanField(default=True)
+
+    objects = EventQuerySet.as_manager()
 
     def __str__(self) -> str:
         return self.name