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<?php |
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use EventEspresso\core\exceptions\InvalidDataTypeException; |
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use EventEspresso\core\exceptions\InvalidInterfaceException; |
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use EventEspresso\core\services\loaders\LoaderFactory; |
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use EventEspresso\core\services\loaders\LoaderInterface; |
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define('BATCH_URL', plugin_dir_url(__FILE__)); |
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/** |
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* |
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* Class EED_Batch |
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* |
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* Module for running batch jobs, which uses the library files in event-espresso-core/core/libraries/batch. |
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* So will respond on the frontend at "{site_url}?espresso_batch&batch={file|job}", |
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* or in the admin at "{site_url}/wp-admin?page=espresso_batch&batch={file|job}" (use whichever will make your user |
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* happier, note that the admin one requires the user to be able to access the admin, and the frontend one is disabled |
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* until specifically enabled via a filter). |
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* |
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* |
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* |
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* @package Event Espresso |
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* @subpackage |
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* @author Mike Nelson |
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* @since 4.8.30.rc.007 |
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* |
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*/ |
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class EED_Batch extends EED_Module |
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{ |
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/** |
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* Possibly value for $_REQUEST[ 'batch' ]. Indicates to run a job that |
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* processes data only |
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*/ |
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const batch_job = 'job'; |
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/** |
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* Possibly value for $_REQUEST[ 'batch' ]. Indicates to run a job that |
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* produces a file for download |
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*/ |
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const batch_file_job = 'file'; |
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/** |
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* Possibly value for $_REQUEST[ 'batch' ]. Indicates this request is NOT |
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* for a batch job. It's the same as not providing the $_REQUEST[ 'batch' ] |
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* at all |
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*/ |
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const batch_not_job = 'none'; |
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/** |
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* |
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* @var string 'file', or 'job', or false to indicate its not a batch request at all |
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*/ |
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protected $_batch_request_type = null; |
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/** |
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* Because we want to use the response in both the localized JS and in the body |
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* we need to make this response available between method calls |
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* |
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* @var \EventEspressoBatchRequest\Helpers\JobStepResponse |
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*/ |
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protected $_job_step_response = null; |
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/** |
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* @var LoaderInterface |
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*/ |
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protected $loader; |
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/** |
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* Gets the batch instance |
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* |
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* @return EED_Batch |
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*/ |
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public static function instance() |
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{ |
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return self::get_instance(); |
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} |
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/** |
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* Sets hooks to enable batch jobs on the frontend. Disabled by default |
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* because it's an attack vector and there are currently no implementations |
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*/ |
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public static function set_hooks() |
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{ |
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// because this is a possibel attack vector, let's have this disabled until |
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// we at least have a real use for it on the frontend |
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if (apply_filters('FHEE__EED_Batch__set_hooks__enable_frontend_batch', false)) { |
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add_action('wp_enqueue_scripts', array(self::instance(), 'enqueue_scripts')); |
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add_filter('template_include', array(self::instance(), 'override_template'), 99); |
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} |
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} |
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/** |
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* Initializes some hooks for the admin in order to run batch jobs |
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*/ |
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public static function set_hooks_admin() |
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{ |
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add_action('admin_menu', array(self::instance(), 'register_admin_pages')); |
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add_action('admin_enqueue_scripts', array(self::instance(), 'enqueue_scripts')); |
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// ajax |
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add_action('wp_ajax_espresso_batch_continue', array(self::instance(), 'batch_continue')); |
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add_action('wp_ajax_espresso_batch_cleanup', array(self::instance(), 'batch_cleanup')); |
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add_action('wp_ajax_nopriv_espresso_batch_continue', array(self::instance(), 'batch_continue')); |
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add_action('wp_ajax_nopriv_espresso_batch_cleanup', array(self::instance(), 'batch_cleanup')); |
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} |
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/** |
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* @since $VID:$ |
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* @return LoaderInterface |
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* @throws InvalidArgumentException |
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* @throws InvalidDataTypeException |
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* @throws InvalidInterfaceException |
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*/ |
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protected function getLoader() |
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{ |
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if (!$this->loader instanceof LoaderInterface) { |
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$this->loader = LoaderFactory::getLoader(); |
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} |
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return $this->loader; |
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} |
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/** |
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* Enqueues batch scripts on the frontend or admin, and creates a job |
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*/ |
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public function enqueue_scripts() |
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{ |
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if (isset($_REQUEST['espresso_batch']) |
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|| |
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( |
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isset($_REQUEST['page']) |
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&& $_REQUEST['page'] == 'espresso_batch' |
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) |
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) { |
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switch ($this->batch_request_type()) { |
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case self::batch_job: |
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$this->enqueue_scripts_styles_batch_create(); |
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break; |
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case self::batch_file_job: |
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$this->enqueue_scripts_styles_batch_file_create(); |
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break; |
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} |
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} |
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} |
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/** |
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* Create a batch job, enqueues a script to run it, and localizes some data for it |
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*/ |
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public function enqueue_scripts_styles_batch_create() |
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{ |
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$job_response = $this->_enqueue_batch_job_scripts_and_styles_and_start_job(); |
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wp_enqueue_script( |
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'batch_runner_init', |
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BATCH_URL . 'assets/batch_runner_init.js', |
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array('batch_runner'), |
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EVENT_ESPRESSO_VERSION, |
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true |
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); |
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wp_localize_script('batch_runner_init', 'ee_job_response', $job_response->to_array()); |
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wp_localize_script( |
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'batch_runner_init', |
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'ee_job_i18n', |
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array( |
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'return_url' => $_REQUEST['return_url'], |
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) |
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); |
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} |
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/** |
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* Creates a batch job which will download a file, enqueues a script to run the job, and localizes some data for it |
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*/ |
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public function enqueue_scripts_styles_batch_file_create() |
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{ |
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// creates a job based on the request variable |
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$job_response = $this->_enqueue_batch_job_scripts_and_styles_and_start_job(); |
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wp_enqueue_script( |
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'batch_file_runner_init', |
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BATCH_URL . 'assets/batch_file_runner_init.js', |
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array('batch_runner'), |
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EVENT_ESPRESSO_VERSION, |
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true |
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); |
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wp_localize_script('batch_file_runner_init', 'ee_job_response', $job_response->to_array()); |
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wp_localize_script( |
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'batch_file_runner_init', |
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'ee_job_i18n', |
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array( |
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'download_and_redirecting' => sprintf( |
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__('File Generation complete. Downloading, and %1$sredirecting%2$s...', 'event_espresso'), |
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'<a href="' . $_REQUEST['return_url'] . '">', |
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'</a>' |
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), |
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'return_url' => $_REQUEST['return_url'], |
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) |
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); |
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} |
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/** |
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* Enqueues scripts and styles common to any batch job, and creates |
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* a job from the request data, and stores the response in the |
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* $this->_job_step_response property |
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* |
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* @return \EventEspressoBatchRequest\Helpers\JobStepResponse |
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*/ |
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protected function _enqueue_batch_job_scripts_and_styles_and_start_job() |
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{ |
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wp_register_script( |
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'progress_bar', |
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EE_PLUGIN_DIR_URL . 'core/libraries/batch/Assets/progress_bar.js', |
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array('jquery') |
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); |
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wp_enqueue_style( |
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'progress_bar', |
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EE_PLUGIN_DIR_URL . 'core/libraries/batch/Assets/progress_bar.css', |
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array(), |
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EVENT_ESPRESSO_VERSION |
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); |
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wp_enqueue_script( |
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'batch_runner', |
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EE_PLUGIN_DIR_URL . 'core/libraries/batch/Assets/batch_runner.js', |
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array('progress_bar') |
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); |
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// just copy the bits of EE admin's eei18n that we need in the JS |
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wp_localize_script( |
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'batch_runner', |
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'eei18n', |
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array( |
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'ajax_url' => WP_AJAX_URL, |
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'is_admin' => (bool) is_admin(), |
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'error_message' => esc_html__('An error occurred and the job has been stopped. Please refresh the page to try again.', 'event_espresso'), |
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) |
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); |
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$job_handler_classname = stripslashes($_GET['job_handler']); |
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$request_data = array_diff_key( |
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$_REQUEST, |
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array_flip(array('action', 'page', 'ee', 'batch')) |
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); |
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$batch_runner = $this->getLoader()->getShared('EventEspressoBatchRequest\BatchRequestProcessor'); |
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// eg 'EventEspressoBatchRequest\JobHandlers\RegistrationsReport' |
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$job_response = $batch_runner->create_job($job_handler_classname, $request_data); |
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// remember the response for later. We need it to display the page body |
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$this->_job_step_response = $job_response; |
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return $job_response; |
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} |
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/** |
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* If we are doing a frontend batch job, this makes it so WP shows our template's HTML |
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* |
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* @param string $template |
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* @return string |
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*/ |
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public function override_template($template) |
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{ |
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if (isset($_REQUEST['espresso_batch']) && isset($_REQUEST['batch'])) { |
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return EE_MODULES . 'batch' . DS . 'templates' . DS . 'batch_frontend_wrapper.template.html'; |
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} |
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return $template; |
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} |
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/** |
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* Adds an admin page which doesn't appear in the admin menu |
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*/ |
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public function register_admin_pages() |
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{ |
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add_submenu_page( |
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'', // parent slug. we don't want this to actually appear in the menu |
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__('Batch Job', 'event_espresso'), // page title |
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'n/a', // menu title |
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'read', // we want this page to actually be accessible to anyone, |
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'espresso_batch', // menu slug |
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array(self::instance(), 'show_admin_page') |
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); |
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} |
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/** |
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* Renders the admin page, after most of the work was already done during enqueuing scripts |
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* of creating the job and localizing some data |
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*/ |
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public function show_admin_page() |
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{ |
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echo EEH_Template::locate_template( |
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EE_MODULES . 'batch' . DS . 'templates' . DS . 'batch_wrapper.template.html', |
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array('batch_request_type' => $this->batch_request_type()) |
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); |
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} |
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/** |
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* Receives ajax calls for continuing a job |
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*/ |
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View Code Duplication |
public function batch_continue() |
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{ |
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$job_id = sanitize_text_field($_REQUEST['job_id']); |
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$batch_runner = $this->getLoader()->getShared('EventEspressoBatchRequest\BatchRequestProcessor'); |
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$response_obj = $batch_runner->continue_job($job_id); |
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$this->_return_json($response_obj->to_array()); |
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} |
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/** |
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* Receives the ajax call to cleanup a job |
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* |
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* @return type |
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*/ |
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View Code Duplication |
public function batch_cleanup() |
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{ |
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$job_id = sanitize_text_field($_REQUEST['job_id']); |
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$batch_runner = $this->getLoader()->getShared('EventEspressoBatchRequest\BatchRequestProcessor'); |
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$response_obj = $batch_runner->cleanup_job($job_id); |
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$this->_return_json($response_obj->to_array()); |
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} |
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/** |
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* Returns a json response |
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* |
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* @param array $data The data we want to send echo via in the JSON response's "data" element |
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* |
|
315
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|
|
* The returned json object is created from an array in the following format: |
|
316
|
|
|
* array( |
|
317
|
|
|
* 'notices' => '', // - contains any EE_Error formatted notices |
|
318
|
|
|
* 'data' => array() //this can be any key/value pairs that a method returns for later json parsing by the js. |
|
319
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|
|
* We're also going to include the template args with every package (so js can pick out any specific template |
|
320
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|
|
* args that might be included in here) |
|
321
|
|
|
* 'isEEajax' => true,//indicates this is a response from EE |
|
322
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|
|
* ) |
|
323
|
|
|
*/ |
|
324
|
|
|
protected function _return_json($data) |
|
325
|
|
|
{ |
|
326
|
|
|
$json = array( |
|
327
|
|
|
'notices' => EE_Error::get_notices(), |
|
328
|
|
|
'data' => $data, |
|
329
|
|
|
'isEEajax' => true |
|
330
|
|
|
// special flag so any ajax.Success methods in js can identify this return package as a EEajax package. |
|
331
|
|
|
); |
|
332
|
|
|
|
|
333
|
|
|
|
|
334
|
|
|
// make sure there are no php errors or headers_sent. Then we can set correct json header. |
|
335
|
|
|
if (null === error_get_last() || ! headers_sent()) { |
|
336
|
|
|
header('Content-Type: application/json; charset=UTF-8'); |
|
337
|
|
|
} |
|
338
|
|
|
echo wp_json_encode($json); |
|
339
|
|
|
exit(); |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* Gets the job step response which was done during the enqueuing of scripts |
|
344
|
|
|
* |
|
345
|
|
|
* @return \EventEspressoBatchRequest\Helpers\JobStepResponse |
|
346
|
|
|
*/ |
|
347
|
|
|
public function job_step_response() |
|
348
|
|
|
{ |
|
349
|
|
|
return $this->_job_step_response; |
|
350
|
|
|
} |
|
351
|
|
|
|
|
352
|
|
|
/** |
|
353
|
|
|
* Gets the batch request type indicated in the $_REQUEST |
|
354
|
|
|
* |
|
355
|
|
|
* @return string: EED_Batch::batch_job, EED_Batch::batch_file_job, EED_Batch::batch_not_job |
|
356
|
|
|
*/ |
|
357
|
|
|
public function batch_request_type() |
|
358
|
|
|
{ |
|
359
|
|
|
if ($this->_batch_request_type === null) { |
|
360
|
|
|
if (isset($_GET['batch'])) { |
|
361
|
|
|
if ($_GET['batch'] == self::batch_job) { |
|
362
|
|
|
$this->_batch_request_type = self::batch_job; |
|
363
|
|
|
} elseif ($_GET['batch'] == self::batch_file_job) { |
|
364
|
|
|
$this->_batch_request_type = self::batch_file_job; |
|
365
|
|
|
} |
|
366
|
|
|
} |
|
367
|
|
|
// if we didn't find that it was a batch request, indicate it wasn't |
|
368
|
|
|
if ($this->_batch_request_type === null) { |
|
369
|
|
|
$this->_batch_request_type = self::batch_not_job; |
|
370
|
|
|
} |
|
371
|
|
|
} |
|
372
|
|
|
return $this->_batch_request_type; |
|
373
|
|
|
} |
|
374
|
|
|
|
|
375
|
|
|
/** |
|
376
|
|
|
* Unnecessary |
|
377
|
|
|
* |
|
378
|
|
|
* @param type $WP |
|
379
|
|
|
*/ |
|
380
|
|
|
public function run($WP) |
|
381
|
|
|
{ |
|
382
|
|
|
} |
|
383
|
|
|
} |
|
384
|
|
|
|