1 <?php
2 /**
3 * Copyright 2014 Klarna AB
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * File containing the Sessions class.
18 */
19
20 namespace Klarna\Rest\Payments;
21
22 use GuzzleHttp\Exception\RequestException;
23 use Klarna\Rest\Resource;
24 use Klarna\Rest\Transport\Connector;
25 use Klarna\Rest\Transport\Exception\ConnectorException;
26
27 /**
28 * Payments session resource.
29 *
30 * @example docs/examples/PaymentsAPI/Sessions/create_new_credit_session.php
31 * @example docs/examples/PaymentsAPI/Sessions/read_credit_session.php
32 * @example docs/examples/PaymentsAPI/Sessions/update_credit_session.php
33 */
34 class Sessions extends Resource
35 {
36 /**
37 * {@inheritDoc}
38 */
39 const ID_FIELD = 'session_id';
40
41 /**
42 * {@inheritDoc}
43 */
44 public static $path = '/payments/v1/sessions';
45
46 /**
47 * Constructs a session instance.
48 *
49 * @param Connector $connector HTTP transport connector
50 * @param string $sessionId Session ID
51 */
52 public function __construct(Connector $connector, $sessionId = null)
53 {
54 parent::__construct($connector);
55
56 if ($sessionId !== null) {
57 $this->setLocation(self::$path . "/{$sessionId}");
58 $this[static::ID_FIELD] = $sessionId;
59 }
60 }
61
62 /**
63 * Creates the resource.
64 *
65 * @param array $data Creation data
66 *
67 * @throws ConnectorException When the API replies with an error response
68 * @throws RequestException When an error is encountered
69 * @throws \RuntimeException If the location header is missing
70 * @throws \RuntimeException If the API replies with an unexpected response
71 * @throws \LogicException When Guzzle cannot populate the response
72 *
73 * @return self
74 */
75 public function create(array $data)
76 {
77 $data = $this->post(self::$path, $data)
78 ->status('200')
79 ->contentType('application/json');
80
81 $this->exchangeArray($data->getJson());
82
83 // Payments API does not send Location header after creating a new session.
84 // Use workaround to set new location.
85 $this->setLocation(self::$path . '/' . $this->getId());
86
87 return $this;
88 }
89
90 /**
91 * Updates the resource.
92 *
93 * @param array $data Update data
94 *
95 * @throws ConnectorException When the API replies with an error response
96 * @throws RequestException When an error is encountered
97 * @throws \RuntimeException On an unexpected API response
98 * @throws \RuntimeException If the response content type is not JSON
99 * @throws \InvalidArgumentException If the JSON cannot be parsed
100 * @throws \LogicException When Guzzle cannot populate the response
101 *
102 * @return self
103 */
104 public function update(array $data)
105 {
106 $this->post($this->getLocation(), $data)
107 ->status('204');
108 // ->contentType('application/json');
109 // TODO: We cannot check the Content-type here because of an inconsistency
110 // between service and documentation. The real Content-Type is
111 // "application/octet-stream but not the "application/json" as in the docs.
112
113 return $this;
114 }
115 }
116