1 | // Copyright 2019 Zaiste & contributors. All rights reserved.
|
2 | //
|
3 | // Licensed under the Apache License, Version 2.0 (the "License");
|
4 | // you may not use this file except in compliance with the License.
|
5 | // You may obtain a copy of the License at
|
6 | // http://www.apache.org/licenses/LICENSE-2.0
|
7 | //
|
8 | // Unless required by applicable law or agreed to in writing, software
|
9 | // distributed under the License is distributed on an "AS IS" BASIS,
|
10 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
11 | // See the License for the specific language governing permissions and
|
12 | // limitations under the License.
|
13 |
|
14 | const Schema = require('validate');
|
15 |
|
16 | const { json } = require('./response.js');
|
17 |
|
18 | const validate = shape => {
|
19 | const schema = new Schema(shape);
|
20 |
|
21 | return next => request => {
|
22 | const { params } = request;
|
23 | const errors = schema.validate(params);
|
24 |
|
25 | if (errors.length) {
|
26 | return json(errors.map(_ => _.message), 422);
|
27 | } else {
|
28 | return next(request);
|
29 | }
|
30 | };
|
31 | };
|
32 |
|
33 | module.exports = {
|
34 | validate
|
35 | };
|