Added method for review item versions

portal/rest/submissions.py

@@ -380,3 +380,23 @@ class SubmissionReviewItem(CustomResource):
         item = self.find.review_item(rid)
         review = self.facades.reviews.delete_item(item=item)
         return SCHEMAS.dump('review', review), 204
+
+
+@submissions_namespace.route('/<string:sid>/review/<string:rid>/versions')
+@submissions_namespace.param('sid', 'Submission id')
+@submissions_namespace.param('rid', 'Review item id')
+@submissions_namespace.response(404, 'Submissions not found')
+@submissions_namespace.response(404, 'Review item not found')
+class SubmissionReviewItemVersions(CustomResource):
+    @jwt_required
+    def get(self, sid: str, rid: str):
+        submission = self.find.submission(sid)
+        course = submission.project.course
+        log.debug(f"[REST] Get submission review versions"
+                  f" by {self.client.log_name}: {submission.log_name}")
+        self.permissions(course=course).require.read_submission(submission)
+        item = self.find.review_item(rid)
+        versions = item.versions.all()
+        return SCHEMAS.dump('review_items', versions)
+
+