Write survey data to backend (solves #70)

In this commit the survey data will be written into the database for the corresponding user. The usercheck works with the authtoken which is sent in the header

backend/src/app.py

@@ -17,6 +17,10 @@ class User(db.Model):
     password = db.Column(db.Text)
     roles = db.Column(db.Text)
     is_active = db.Column(db.Boolean, default=True, server_default='true')
+    age = db.Column(db.Integer)
+    gender = db.Column(db.Text)
+    education = db.Column(db.Text)
+    skills = db.Column(db.Text)
 
     @property
     def rolenames(self):
@@ -128,7 +132,8 @@ def protected():
     A protected endpoint. The auth_required decorator will require a header
     containing a valid JWT
     .. example::
-       $ curl http://localhost:5000/api/protected -X GET \
+       $ curl http://
+       localhost:5000/api/protected -X GET \
          -H "Authorization: Bearer <your_token>"
     """
     return {'message': f'protected endpoint (allowed user {flask_praetorian.current_user().username})'}
@@ -155,8 +160,22 @@ def register():
 @flask_praetorian.auth_required
 def survey():
     req = flask.request.get_json(force=True)
+    token = guard.read_token_from_header()
+    extracted_token = guard.extract_jwt_token(token)
+    id_req = extracted_token['id']
+
+    # get data from the survey and write it to the database
+
+    age = req.get('age', None)
     gender = req.get('gender', None)
-    print(req)
+    education = req.get('education', None)
+    skills = req.get('skills', None)
+    user_db = User.query.filter_by(id=id_req).first()
+    user_db.age = age
+    user_db.gender = gender
+    user_db.education = education
+    user_db.skills = skills
+    db.session.commit()
     ret = {'message': 'Umfrage freigestellt'}
     return ret, 200