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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Client library for the When I Work scheduling and attendance platform. |
| 5 | * |
| 6 | * Uses curl to request JSON responses from the When I Work API. |
| 7 | * This probably has more comments than code. |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Daniel Olfelt <daniel@thisclicks.com> |
| 11 | * |
| 12 | * @author Daniel Olfelt <daniel@thisclicks.com> |
| 13 | * @version 0.1 |
| 14 | */ |
| 15 | class Wheniwork { |
| 16 | |
| 17 | const METHOD_GET = 'get'; |
| 18 | const METHOD_POST = 'post'; |
| 19 | const METHOD_PUT = 'put'; |
| 20 | const METHOD_PATCH = 'patch'; |
| 21 | const METHOD_DELETE = 'delete'; |
| 22 | |
| 23 | private $api_key; |
| 24 | private $api_token; |
| 25 | private $api_endpoint = 'https://api.wheniwork.com/2'; |
| 26 | private $api_headers = []; |
| 27 | private $verify_ssl = false; |
| 28 | |
| 29 | /** |
| 30 | * Create a new instance |
| 31 | * @param string $api_token The user WhenIWork API token |
| 32 | * @param array $options Allows you to set the `headers` and the `endpoint` |
| 33 | */ |
| 34 | function __construct($api_token = null, $options = []) |
| 35 | { |
| 36 | $this->api_token = $api_token; |
| 37 | |
| 38 | if (!empty($options['endpoint'])) { |
| 39 | $this->setEndpoint($options['endpoint']); |
| 40 | } |
| 41 | if (!empty($options['headers'])) { |
| 42 | $this->setHeaders($options['headers'], true); |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Set the user token for all requests |
| 48 | * @param string $api_token The user WhenIWork API token |
| 49 | * @return Wheniwork |
| 50 | */ |
| 51 | public function setToken($api_token) { |
| 52 | $this->api_token = $api_token; |
| 53 | return $this; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Get the user token to save for future requests |
| 58 | * @return string The user WhenIWork API token |
| 59 | */ |
| 60 | public function getToken() { |
| 61 | return $this->api_token; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Set the endpoint for all requests |
| 66 | * @param string $endpoint The WhenIWork API endpoint to use |
| 67 | * @return Wheniwork |
| 68 | */ |
| 69 | public function setEndpoint($endpoint) { |
| 70 | $this->api_endpoint = $endpoint; |
| 71 | return $this; |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Get the endpoint to use for future requests |
| 76 | * @return string The WhenIWork API endpoint |
| 77 | */ |
| 78 | public function getEndpoint() { |
| 79 | return $this->api_endpoint; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Set the host for all requests |
| 84 | * @param array $headers Global headers for all future requests |
| 85 | * @return Wheniwork |
| 86 | */ |
| 87 | public function setHeaders(array $headers, $reset = false) { |
| 88 | if ($reset === true) { |
| 89 | $this->api_headers = $headers; |
| 90 | } |
| 91 | else { |
| 92 | $this->api_headers += $headers; |
| 93 | } |
| 94 | |
| 95 | return $this; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * Get the host to use for future requests |
| 100 | * @return array Global headers array |
| 101 | */ |
| 102 | public function getHeaders() { |
| 103 | return $this->api_headers; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Get an object or list. |
| 108 | * @param string $method The API method to call, e.g. '/users/' |
| 109 | * @param array $params An array of arguments to pass to the method. |
| 110 | * @param array $headers Array of custom headers to be passed |
| 111 | * @return array Object of json decoded API response. |
| 112 | */ |
| 113 | public function get($method, $params = array(), $headers = array()) { |
| 114 | return $this->makeRequest($method, self::METHOD_GET, $params, $headers); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Post to an endpoint. |
| 119 | * @param string $method The API method to call, e.g. '/shifts/publish/' |
| 120 | * @param array $params An array of data used to create the object. |
| 121 | * @param array $headers Array of custom headers to be passed |
| 122 | * @return array Object of json decoded API response. |
| 123 | */ |
| 124 | public function post($method, $params = array(), $headers = array()) { |
| 125 | return $this->makeRequest($method, self::METHOD_POST, $params, $headers); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Create an object. Helper method for post. |
| 130 | * @param string $method The API method to call, e.g. '/users/' |
| 131 | * @param array $params An array of data used to create the object. |
| 132 | * @param array $headers Array of custom headers to be passed |
| 133 | * @return array Object of json decoded API response. |
| 134 | */ |
| 135 | public function create($method, $params = array(), $headers = array()) { |
| 136 | return $this->post($method, $params, $headers); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Update an object. Must include the ID. |
| 141 | * @param string $method The API method to call, e.g. '/users/1' |
| 142 | * @param array $params An array of data to update the object. Only changed fields needed. |
| 143 | * @param array $headers Array of custom headers to be passed |
| 144 | * @return array Object of json decoded API response. |
| 145 | */ |
| 146 | public function update($method, $params = array(), $headers = array()) { |
| 147 | return $this->makeRequest($method, self::METHOD_PUT, $params, $headers); |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Delete an object. Must include the ID. |
| 152 | * @param string $method The API method to call, e.g. '/users/1' |
| 153 | * @param array $params An array of arguments to pass to the method. |
| 154 | * @param array $headers Array of custom headers to be passed |
| 155 | * @return array Object of json decoded API response. |
| 156 | */ |
| 157 | public function delete($method, $params = array(), $headers = array()) { |
| 158 | return $this->makeRequest($method, self::METHOD_DELETE, $params, $headers); |
| 159 | } |
| 160 | |
| 161 | |
| 162 | /** |
| 163 | * Performs the underlying HTTP request. Exciting stuff happening here. Not really. |
| 164 | * @param string $method The API method to be called |
| 165 | * @param string $request The type of request |
| 166 | * @param array $params Assoc array of parameters to be passed |
| 167 | * @param array $headers Assoc array of custom headers to be passed |
| 168 | * @return array Assoc array of decoded result |
| 169 | */ |
| 170 | private function makeRequest($method, $request, $params = array(), $headers = array()) { |
| 171 | |
| 172 | $url = $this->getEndpoint().'/'.$method; |
| 173 | |
| 174 | if ($params && ($request == self::METHOD_GET || $request == self::METHOD_DELETE)) { |
| 175 | $url .= '?'.http_build_query($params); |
| 176 | } |
| 177 | |
| 178 | $ch = curl_init(); |
| 179 | curl_setopt($ch, CURLOPT_URL, $url); |
| 180 | curl_setopt($ch, CURLOPT_USERAGENT, 'WhenIWork-PHP/0.1'); |
| 181 | |
| 182 | $headers += $this->getHeaders(); |
| 183 | |
| 184 | $headers['Content-Type'] = 'application/json'; |
| 185 | if ($this->api_token) { |
| 186 | $headers['W-Token'] = $this->api_token; |
| 187 | } |
| 188 | |
| 189 | $header_data = array(); |
| 190 | foreach ($headers as $k=>$v) { |
| 191 | $headers_data[] = $k.': '.$v; |
| 192 | } |
| 193 | curl_setopt($ch, CURLOPT_HTTPHEADER, $headers_data); |
| 194 | |
| 195 | curl_setopt($ch, CURLOPT_CUSTOMREQUEST, strtoupper($request)); |
| 196 | curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); |
| 197 | curl_setopt($ch, CURLOPT_HEADER, false); |
| 198 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
| 199 | curl_setopt($ch, CURLOPT_TIMEOUT, 10); |
| 200 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, $this->verify_ssl); |
| 201 | |
| 202 | if (in_array($request, array(self::METHOD_POST, self::METHOD_PUT, self::METHOD_PATCH))) { |
| 203 | curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params)); |
| 204 | } |
| 205 | |
| 206 | $result = curl_exec($ch); |
| 207 | curl_close($ch); |
| 208 | |
| 209 | return $result ? json_decode($result) : false; |
| 210 | } |
| 211 | |
| 212 | |
| 213 | |
| 214 | /** |
| 215 | * Login helper using developer key and credentials to get back a login response |
| 216 | * @param $key Developer API key |
| 217 | * @param $email Email of the user logging in |
| 218 | * @param $password Password of the user |
| 219 | * @return |
| 220 | */ |
| 221 | public static function login($key, $email, $password) { |
| 222 | $params = array( |
| 223 | "username" => $email, |
| 224 | "password" => $password |
| 225 | ); |
| 226 | $headers = array( |
| 227 | 'W-Key' => $key |
| 228 | ); |
| 229 | |
| 230 | $login = new static(); |
| 231 | $response = $login->makeRequest("login", self::METHOD_POST, $params, $headers); |
| 232 | |
| 233 | return $response; |
| 234 | } |
| 235 | |
| 236 | } |