93 lines
2.3 KiB
PHP
93 lines
2.3 KiB
PHP
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<?php
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class ApiRequest {
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protected static $baseURL = 'https://www.delijn.be';
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protected $apiPath;
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protected $action;
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protected $url;
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protected $http_response_header;
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public function __toString () {
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return 'ApiRequest[url=' . $this->url . ']';
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}
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public function __construct ($apiPath, $action, $method='GET') {
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if (!is_string($action)) {
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throw new InvalidArgumentException('$action must be a string');
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}
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$this->apiPath = $apiPath;
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$this->action = $action;
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$this->url = Static::$baseURL.'/'.$apiPath.'/'.$action;
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if (preg_match('~//.*//~',$this->url) === 1) {
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throw new InvalidArgumentException('Resulting URL ('.$this->url.') contains a double slash');
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}
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if (!is_string($method)) {
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throw new InvalidArgumentException('$method must be a string');
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}
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switch ($method) {
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case 'GET': case 'POST': case 'PUT': case 'DELETE': break;
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throw new InvalidArgumentException('$method must be one of the following: "GET", "POST", "PUT", "DELETE"');
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}
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$this->method = $method;
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}
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public function exec ($dataToSend=null) {
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$opts = array('http' =>
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array(
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'method' => $this->method
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)
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);
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if (!is_null($dataToSend)) {
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if (is_array($dataToSend)) {
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$opts['http']['content'] = http_build_query($dataToSend);
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} else {
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throw new InvalidArgumentException('$dataToSend must be either NULL or an array');
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}
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}
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$context = stream_context_create($opts);
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$json = @file_get_contents(
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$this->url, false, $context
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);
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// Make the HTTP response header available if they want to get it
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// If there is no network connection, $http_response_header may be undefined
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if (isset($http_response_header)) {
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$this->http_response_header = $http_response_header;
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} else {
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$this->http_response_header = null;
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}
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$result = json_decode($json, true);
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switch (json_last_error()) {
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case JSON_ERROR_NONE:
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return $result;
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break;
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case JSON_ERROR_SYNTAX:
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throw new Exception('Result was not valid JSON: ' . json_last_error_msg());
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break;
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default:
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throw new Exception('Result could not be parsed as JSON: ' . json_last_error_msg());
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break;
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}
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return null;
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}
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public function getHttpResponseHeader () {
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return $this->http_response_header;
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}
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}
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?>
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