dl/includes/ApiRequest.php

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2.3 KiB
PHP
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2020-06-17 20:49:28 +02:00
<?php
class ApiRequest {
protected static $baseURL = 'https://www.delijn.be';
protected $apiPath;
protected $action;
protected $url;
protected $http_response_header;
public function __toString () {
return 'ApiRequest[url=' . $this->url . ']';
}
public function __construct ($apiPath, $action, $method='GET') {
if (!is_string($action)) {
throw new InvalidArgumentException('$action must be a string');
}
$this->apiPath = $apiPath;
$this->action = $action;
$this->url = Static::$baseURL.'/'.$apiPath.'/'.$action;
if (preg_match('~//.*//~',$this->url) === 1) {
throw new InvalidArgumentException('Resulting URL ('.$this->url.') contains a double slash');
}
if (!is_string($method)) {
throw new InvalidArgumentException('$method must be a string');
}
switch ($method) {
case 'GET': case 'POST': case 'PUT': case 'DELETE': break;
throw new InvalidArgumentException('$method must be one of the following: "GET", "POST", "PUT", "DELETE"');
}
$this->method = $method;
}
public function exec ($dataToSend=null) {
$opts = array('http' =>
array(
'method' => $this->method
)
);
if (!is_null($dataToSend)) {
if (is_array($dataToSend)) {
$opts['http']['content'] = http_build_query($dataToSend);
} else {
throw new InvalidArgumentException('$dataToSend must be either NULL or an array');
}
}
$context = stream_context_create($opts);
$json = @file_get_contents(
$this->url, false, $context
);
// Make the HTTP response header available if they want to get it
// If there is no network connection, $http_response_header may be undefined
if (isset($http_response_header)) {
$this->http_response_header = $http_response_header;
} else {
$this->http_response_header = null;
}
$result = json_decode($json, true);
switch (json_last_error()) {
case JSON_ERROR_NONE:
return $result;
break;
case JSON_ERROR_SYNTAX:
throw new Exception('Result was not valid JSON: ' . json_last_error_msg());
break;
default:
throw new Exception('Result could not be parsed as JSON: ' . json_last_error_msg());
break;
}
return null;
}
public function getHttpResponseHeader () {
return $this->http_response_header;
}
}
?>