Add: postseen model to user

backend/api/user/models.py

@@ -1,6 +1,7 @@
 from django.db import models
 
 from django.contrib.auth.models import User
+from apps.archive.models import PostModel
 
 
 class UserProfile(models.Model):
@@ -13,3 +14,16 @@ class UserProfile(models.Model):
 
     def __str__(self):
         return self.user.username
+
+
+class PostSeen(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    post_id = models.ForeignKey(PostModel, on_delete=models.CASCADE)
+    date_seen = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        verbose_name = "Post Seen"
+        verbose_name_plural = "Posts Seen"
+
+    def __str__(self):
+        return str(self.user + self.post_id)