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<?php |
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/** |
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* This file contains the ApiObject class |
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* |
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* @copyright 2015 Vladimir Jimenez |
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* @license https://github.com/allejo/PhpPulse/blob/master/LICENSE.md MIT |
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*/ |
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namespace allejo\DaPulse\Objects; |
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use allejo\DaPulse\Exceptions\InvalidObjectException; |
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use allejo\DaPulse\Utilities\UrlQuery; |
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/** |
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* The base class for all DaPulse API objects |
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* |
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* @internal |
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* @package allejo\DaPulse\Objects |
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* @since 0.1.0 |
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*/ |
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abstract class ApiObject |
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{ |
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/** |
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* The namespace used for all main PhpPulse objects. This is value is prepended before PhpPulse objects when being |
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* checked with `instanceof`. |
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* |
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* @internal |
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*/ |
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const OBJ_NAMESPACE = "\\allejo\\DaPulse\\"; |
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/** |
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* The default API protocol used for URL calls |
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* |
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* @internal |
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*/ |
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const API_PROTOCOL = "https"; |
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/** |
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* The API end point for URL calls |
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* |
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* @internal |
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*/ |
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const API_ENDPOINT = "api.dapulse.com"; |
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/** |
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* The API version used for URL calls |
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* |
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* @internal |
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*/ |
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const API_VERSION = "v1"; |
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/** |
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* The suffix that is appended to the URL to access functionality for certain objects |
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* |
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* @internal |
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*/ |
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const API_PREFIX = ""; |
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/** |
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* The API key used to make the URL calls |
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* |
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* @var string |
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*/ |
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protected static $apiKey; |
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/** |
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* When set to true, the object can only be constructed from an associative array of data. It will not attempt |
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* to fetch the data with an API call; this is intended for objects are not directly accessible via the API. |
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* |
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* @var bool |
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*/ |
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protected $arrayConstructionOnly = false; |
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/** |
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* Set to true if the object has been deleted via an API call but the instance still exists. This variable will |
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* prevent further API calls to a nonexistent object. |
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* |
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* @var bool |
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*/ |
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protected $deletedObject = false; |
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/** |
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* An associative array representing the original JSON response from DaPulse |
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* |
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* @var array |
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*/ |
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protected $jsonResponse; |
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/** |
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* Create an object from an API call |
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* |
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* @param int|array $idOrArray Either the numerical ID of an object or an associative array representing a JSON |
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* response from an API call |
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* |
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* @throw \InvalidArgumentException The specified object cannot be created directly from an API call but instead |
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* requires an associative array of information gathered from other API calls. |
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* |
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* @since 0.1.0 |
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*/ |
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public function __construct ($idOrArray) |
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{ |
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$urlEndPoint = ""; |
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$staticClass = explode("\\", get_called_class()); |
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$staticClass = end($staticClass); |
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if (is_null($idOrArray)) |
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{ |
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throw new \InvalidArgumentException("You may not initialize " . $staticClass . " with null."); |
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} |
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if (!is_array($idOrArray)) |
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{ |
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$urlEndPoint = sprintf("%s/%d.json", self::apiEndpoint(), $idOrArray); |
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} |
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if ($this->arrayConstructionOnly && !is_array($idOrArray)) |
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{ |
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throw new \InvalidArgumentException("A " . $staticClass . " cannot be fetched from an ID."); |
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} |
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$this->jsonResponse = (is_array($idOrArray)) ? $idOrArray : $this::sendGet($urlEndPoint); |
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$this->initializeValues(); |
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$this->assignResults(); |
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} |
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// ================================================================================================================ |
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// Getter functions |
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// ================================================================================================================ |
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/** |
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* Access the JSON response from DaPulse directly |
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* |
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* @since 0.1.0 |
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* |
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* @return array |
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*/ |
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final public function getJson () |
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{ |
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return $this->jsonResponse; |
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} |
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// ================================================================================================================ |
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// Helper functions |
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// ================================================================================================================ |
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/** |
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* Assign an associative array from a JSON response and map them to instance variables |
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* |
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* @since 0.1.0 |
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*/ |
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final protected function assignResults () |
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{ |
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foreach ($this->jsonResponse as $key => $val) |
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{ |
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if (property_exists(get_called_class(), $key)) |
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{ |
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$this->$key = $val; |
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} |
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} |
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} |
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/** |
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* Check if the current object has been marked as deleted from DaPulse. If so, throw an exception. |
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* |
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* @throws InvalidObjectException |
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*/ |
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final protected function checkInvalid () |
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{ |
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if ($this->deletedObject) |
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{ |
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throw new InvalidObjectException("This object no longer exists on DaPulse", 2); |
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} |
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} |
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/** |
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* Store the value in an array if the value is not null. This function is a shortcut of setting values in an array |
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* only if they are not null, if not leave them unset; used ideally for PUT requests. |
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* |
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* @param array $array The array that will store all of the POST parameters |
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* @param string $name The name of the field |
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* @param mixed $value The value to be stored in a given field |
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*/ |
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final protected static function setIfNotNullOrEmpty (&$array, $name, $value) |
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{ |
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if (!is_null($value) || !empty($value)) |
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{ |
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$array[$name] = $value; |
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} |
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} |
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// ================================================================================================================ |
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// Empty functions |
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// ================================================================================================================ |
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/** |
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* Overload this function if any class variables need to be initialized to a default value |
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*/ |
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protected function initializeValues () |
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{ |
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} |
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// ================================================================================================================ |
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// Lazy loading functions |
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// ================================================================================================================ |
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/** |
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* Inject data into the array that will be mapped into individual instance variables. This function must be called |
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* **before** lazyCastAll() is called and maps the associative array to objects. |
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* |
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* @param array $target An array of associative arrays with data to be converted into objects |
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* @param array $array An associative array containing data to be merged with the key being the name of the |
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* instance variable. |
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* |
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* @since 0.1.0 |
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* |
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* @throw \InvalidArgumentException If either parameters are not arrays |
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*/ |
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final protected static function lazyInject (&$target, $array) |
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{ |
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if (!is_array($target) || !is_array($array)) |
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{ |
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throw new \InvalidArgumentException("Both the target and array must be arrays"); |
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} |
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// If the first element is an array, let's assume $target hasn't been lazily casted into objects |
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if (is_array($target[0])) |
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{ |
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foreach ($target as &$element) |
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{ |
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$element = array_merge($element, $array); |
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} |
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} |
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} |
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/** |
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* Convert the specified array into an array of object types if needed |
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* |
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* @param string $objectType The class name of the Objects the items should be |
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* @param array $array The array to check |
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* |
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* @since 0.2.0 |
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*/ |
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final protected static function lazyCastAll (&$array, $objectType) |
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{ |
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if (self::lazyCastNeededOnArray($objectType, $array)) |
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{ |
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$array = self::castArrayToObjectArray($objectType, $array); |
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} |
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} |
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/** |
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* Convert the specified item into the specified object if needed |
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* |
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* @param mixed $target The item to check |
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* @param string $objectType The class name of the Objects the items should be |
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* |
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* @since 0.2.0 |
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*/ |
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final protected static function lazyCast (&$target, $objectType) |
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{ |
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if (self::lazyCastNeeded($target, $objectType)) |
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{ |
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$object = ($objectType[0] == "\\") ? $objectType : self::OBJ_NAMESPACE . $objectType; |
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$target = new $object($target); |
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} |
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} |
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/** |
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* Check whether it is required for an array of JSON data to be converted into an array of the specified objects |
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* |
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* @param string $objectType The class name of the Objects the items should be |
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* @param array $array The array to check |
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* |
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* @since 0.2.0 |
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* |
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* @return bool True if the array needs to converted into an array of objects |
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*/ |
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final protected static function lazyCastNeededOnArray ($objectType, $array) |
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{ |
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$firstItem = $array[0]; |
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return self::lazyCastNeeded($firstItem, $objectType); |
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} |
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/** |
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* Check if an individual item needs to be lazily converted into an object |
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* |
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* @param mixed $target The item to check |
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* @param string $objectType The class name of the Objects the items should be |
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* |
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* @since 0.2.0 |
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* |
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* @return bool |
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*/ |
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final protected static function lazyCastNeeded ($target, $objectType) |
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{ |
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$objectDefinition = ($objectType[0] === "\\") ? $objectType : self::OBJ_NAMESPACE . $objectType; |
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return !($target instanceof $objectDefinition); |
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} |
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/** |
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* Sends a GET request for a JSON array and casts the response into an array of objects |
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* |
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* @param string $url The API endpoint to call to get the JSON response from |
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* @param string $className The class name of the Object type to cast to |
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* @param array $params An associative array of URL parameters that will be passed to the specific call. For |
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* example, limiting the number of results or the pagination of results. **Warning** The |
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* API key does NOT need to be passed here |
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* |
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* @since 0.2.0 |
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* |
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* @return array |
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*/ |
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final protected static function fetchAndCastToObjectArray ($url, $className, $params = array()) |
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{ |
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$objects = self::sendGet($url, $params); |
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return self::castArrayToObjectArray($className, $objects); |
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} |
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/** |
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* Convert an array of associative arrays into a specific object |
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* |
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* @param string $className The class name of the Object type |
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* @param array $objects An associative array to be converted into an object |
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* |
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* @since 0.2.0 |
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* |
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* @return array An array of the specified objects |
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*/ |
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final protected static function castArrayToObjectArray ($className, $objects) |
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{ |
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$class = self::OBJ_NAMESPACE . $className; |
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$array = array(); |
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foreach ($objects as $post) |
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{ |
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$array[] = new $class($post); |
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} |
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return $array; |
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} |
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// ================================================================================================================ |
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// URL jobs functions |
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// ================================================================================================================ |
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/** |
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* Send a GET request to fetch the data from the specified URL |
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* |
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* @param string $url The API endpoint to call |
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* @param array $params An associative array of URL parameters that will be passed to the specific call. For |
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* example, limiting the number of results or the pagination of results. **Warning** The API |
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* key does NOT need to be passed here |
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* |
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* @since 0.1.0 |
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* |
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* @return mixed An associative array of the JSON response from DaPulse |
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*/ |
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final protected static function sendGet ($url, $params = array()) |
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{ |
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$params["api_key"] = self::$apiKey; |
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$urlQuery = new UrlQuery($url, $params); |
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return $urlQuery->sendGet(); |
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} |
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/** |
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* Send a POST request to a specified URL |
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* |
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* @param string $url |
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* @param array $postParams |
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* @param array $getParams |
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* |
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* @since 0.1.0 |
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* |
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* @return mixed |
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*/ |
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final protected static function sendPost ($url, $postParams, $getParams = array()) |
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{ |
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return self::sendRequest("POST", $url, $postParams, $getParams); |
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} |
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/** |
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* Send a PUT request to a specified URL |
390
|
|
|
* |
391
|
|
|
* @param string $url |
392
|
|
|
* @param array $postParams |
393
|
|
|
* @param array $getParams |
394
|
|
|
* |
395
|
|
|
* @since 0.1.0 |
396
|
|
|
* |
397
|
|
|
* @return mixed |
398
|
|
|
*/ |
399
|
|
|
final protected static function sendPut ($url, $postParams, $getParams = array()) |
400
|
|
|
{ |
401
|
|
|
return self::sendRequest("PUT", $url, $postParams, $getParams); |
402
|
|
|
} |
403
|
|
|
|
404
|
|
|
/** |
405
|
|
|
* Send a DELETE request to a specified URL |
406
|
|
|
* |
407
|
|
|
* @param string $url |
408
|
|
|
* @param array $getParams |
409
|
|
|
* |
410
|
|
|
* @since 0.1.0 |
411
|
|
|
* |
412
|
|
|
* @return mixed |
413
|
|
|
*/ |
414
|
|
|
final protected static function sendDelete ($url, $getParams = array()) |
415
|
|
|
{ |
416
|
|
|
return self::sendRequest("DELETE", $url, NULL, $getParams); |
|
|
|
|
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
/** |
420
|
|
|
* Send the appropriate URL request |
421
|
|
|
* |
422
|
|
|
* @param string $type |
423
|
|
|
* @param string $url |
424
|
|
|
* @param array $postParams |
425
|
|
|
* @param array $getParams |
426
|
|
|
* |
427
|
|
|
* @since 0.1.0 |
428
|
|
|
* |
429
|
|
|
* @return mixed |
430
|
|
|
*/ |
431
|
|
|
private static function sendRequest ($type, $url, $postParams, $getParams) |
432
|
|
|
{ |
433
|
|
|
$getParams["api_key"] = self::$apiKey; |
434
|
|
|
|
435
|
|
|
$urlQuery = new UrlQuery($url, $getParams); |
436
|
|
|
|
437
|
|
|
switch ($type) |
438
|
|
|
{ |
439
|
|
|
case "POST": |
440
|
|
|
return $urlQuery->sendPost($postParams); |
441
|
|
|
|
442
|
|
|
case "PUT": |
443
|
|
|
return $urlQuery->sendPut($postParams); |
444
|
|
|
|
445
|
|
|
case "DELETE": |
446
|
|
|
return $urlQuery->sendDelete(); |
447
|
|
|
|
448
|
|
|
default: |
449
|
|
|
throw new \InvalidArgumentException(); |
450
|
|
|
} |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
// ================================================================================================================ |
454
|
|
|
// API key functions |
455
|
|
|
// ================================================================================================================ |
456
|
|
|
|
457
|
|
|
/** |
458
|
|
|
* Get the base URL to use in all of the API calls |
459
|
|
|
* |
460
|
|
|
* @param string|null $apiPrefix If the API end point is different from the class's constant, this value will be |
461
|
|
|
* used as the suffix for the API endpoint |
462
|
|
|
* |
463
|
|
|
* @since 0.1.0 |
464
|
|
|
* |
465
|
|
|
* @return string The base URL to call |
466
|
|
|
*/ |
467
|
|
|
final protected static function apiEndpoint ($apiPrefix = NULL) |
468
|
|
|
{ |
469
|
|
|
$apiSection = isset($apiPrefix) ? $apiPrefix : static::API_PREFIX; |
470
|
|
|
|
471
|
|
|
return sprintf("%s://%s/%s/%s", self::API_PROTOCOL, self::API_ENDPOINT, self::API_VERSION, $apiSection); |
472
|
|
|
} |
473
|
|
|
|
474
|
|
|
/** |
475
|
|
|
* Set the API for all calls to the API |
476
|
|
|
* |
477
|
|
|
* @param string $apiKey The API key used to access the DaPulse API |
478
|
|
|
* |
479
|
|
|
* @since 0.1.0 |
480
|
|
|
*/ |
481
|
|
|
final public static function setApiKey ($apiKey) |
482
|
|
|
{ |
483
|
|
|
self::$apiKey = $apiKey; |
484
|
|
|
} |
485
|
|
|
} |
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..