Add /api/notes to get and post notes

notes/models.py

@@ -1,3 +1,19 @@
+from django.contrib.auth.models import AbstractUser
 from django.db import models
 
 # Create your models here.
+
+class User(AbstractUser):
+    allow_notes_from = models.ManyToManyField('User', related_name='allowed_notes_to', blank=True)
+    expiry_seconds = models.PositiveIntegerField(default=86400)
+
+
+class Note(models.Model):
+    from_user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='created_notes')
+    to_user = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, related_name='received_notes')
+    note = models.TextField()
+    expiry = models.DateTimeField()
+    created_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return f"{self.from_user.username} -> {self.to_user.username}: {self.note[:30]}"