now returning bad request when wrong parameters are supplied for room / recorder creation

backend/api/room_api.py

@@ -5,15 +5,20 @@ For example: listing of available auth providers or registration of users.
 
 Login through API does not start a new session, but instead returns JWT.
 """
+import logging
+
 from flask_jwt_extended import jwt_required
 from flask_restx import fields, Resource
 from sqlalchemy import exc
 
-from backend import db, app
+from backend import db, app, LrcException
 from backend.api import api_room
 from backend.models.room_model import Room
 from backend.models.recorder_model import Recorder
 
+
+logger = logging.getLogger("lrc.api.room")
+
 room_model = api_room.model('Room', {
     'id': fields.String(required=False, description='The room\'s identifier'),
     'created_at': fields.DateTime(required=False, description='Creation date of the room info'),
@@ -80,8 +85,8 @@ class RoomResource(Resource):
                 room.recorder = api_room.payload["recorder"]
         else:
             num_rows_matched = Room.query.filter_by(id=id).update(api_room.payload)
-        db.session.commit()
-        return "ok"
+            db.session.commit()
+            return "ok"
         api_room.abort(404)
 
 
@@ -112,11 +117,15 @@ class RoomList(Resource):
                 else:
                     return "specified recorder (id: {}) does not exist!".format(api_room.payload["recorder_id"]), 404
             del api_room.payload["recorder_id"]
-        room = Room(**api_room.payload)
-        db.session.add(room)
         try:
-            db.session.commit()
-            return room
-        except exc.IntegrityError as e:
-            db.session.rollback()
-            return str(e.detail), 400
+            room = Room(**api_room.payload)
+            db.session.add(room)
+            try:
+                db.session.commit()
+                return room
+            except exc.IntegrityError as e:
+                db.session.rollback()
+                return str(e.detail), 400
+        except LrcException as e:
+            logger.error(e)
+            return api_room.abort(400, str(e))