Expand feedback get api with used parameter

zesje/resources/feedback.py

 """ REST api for problems """
 
-from flask_restful import Resource
+from flask_restful import Resource, reqparse
 
 from pony import orm
 
@@ -35,3 +35,34 @@ class Feedback(Resource):
             }
             for fb in FeedbackOption.select(lambda fb: fb.problem == problem)
         ]
+
+
+    post_parser = reqparse.RequestParser()
+    post_parser.add_argument('name', type=str, required=True)
+    post_parser.add_argument('description', type=str, required=True)
+    post_parser.add_argument('score', type=int, required=True)
+
+    @orm.db_session
+    def post(self, problem_id):
+        """Post a new feedback option
+
+        Parameters
+        ----------
+            name: str
+            description: str
+            score: int
+        """
+
+        problem = Problem[problem_id]
+
+        args = self.post_parser.parse_args()
+
+        fb = FeedbackOption(problem = problem, text = args.name, description = args.description, score = args.score)
+        orm.commit();
+
+        return  {
+                    'id': fb.id,
+                    'name': fb.text,
+                    'description': fb.description,
+                    'score': fb.score
+                }