checkpoint

Main/models/set.py

@@ -1,8 +1,20 @@
 from django.contrib.auth.models import User
 from django.db import models
+from django.utils import timezone
 
 
 class Set(models.Model):
     name = models.TextField()
     public = models.BooleanField(default=False)
     creator = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
+    opened = models.BooleanField(default=False)
+    start_time = models.DateTimeField(default=timezone.now)
+    end_time = models.DateTimeField(default=timezone.now)
+
+    @property
+    def available(self):
+        return (
+            self.opened
+            and (self.start_time is None or timezone.now() >= self.start_time)
+            and (self.end_time is None or timezone.now() <= self.end_time)
+        )