Add QuestionReview model and link to QuestionBase for enhanced review functionality

generic/models.py

@@ -219,6 +219,8 @@ class QuestionBase(models.Model, AuthorMixin, QuestionMixin):
 
     notes = GenericRelation("generic.QuestionNote")
 
+    reviews = GenericRelation("generic.QuestionReview")
+
     class Meta:
         abstract = True
 
@@ -1315,6 +1317,42 @@ class NoteType(models.Model):
     def __str__(self):
         return self.note_type
 
+class QuestionReview(models.Model):
+    class StatusChoices(models.TextChoices):
+        ACCEPTED = "AC", "Accepted"
+        OUTDATED = "OD", "Outdated"
+        ERROR = "ER", "Error"
+        REJECTED = "RJ", "Rejected"
+
+    content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
+    object_id = models.PositiveIntegerField()
+    question = GenericForeignKey("content_type", "object_id")
+
+
+    author = models.ForeignKey(
+        settings.AUTH_USER_MODEL, on_delete=models.CASCADE, blank=True, null=True
+    )
+
+
+    comment = models.TextField(blank=True)
+    status = models.CharField(max_length=2, choices=StatusChoices.choices, default=StatusChoices.ACCEPTED)
+    created_on = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return "{}: {} [{}] {}".format(
+            self.content_type,
+            self.get_author_str(),
+            self.created_on,
+            self.comment,
+        )
+
+    def get_author_str(self):
+        if self.author is not None:
+            return self.author.username
+        else:
+            return "Unknown"
+
+
 
 class QuestionNote(models.Model):
     content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)