Give_Background_Updater::delete() - Code Metrics - Inspection of "Merge pull request #4081 from impress-org/release/..." - impress-org/give - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( 36b0ed...c8da5c )

by Devin

created 2019-04-16 18:59 UTC

Give_Background_Updater::delete() A

↳ Parent: Give_Background_Updater

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
nc	1
nop	1
dl	0
loc	5
rs	10
c	0
b	0
f	0

<?php
/**
 * Background Updater
 *
 * Uses https://github.com/A5hleyRich/wp-background-processing to handle DB
 * updates in the background.
 *
 * @class    Give_Background_Updater
 * @version  2.0.0
 * @package  Give/Classes
 * @category Class
 * @author   GiveWP
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Give_Background_Updater Class.
 */
class Give_Background_Updater extends WP_Background_Process {

	/**
	 * @var string
	 */
	protected $action = 'give_db_updater';

	/**
	 * Dispatch updater.
	 *
	 * Updater will still run via cron job if this fails for any reason.
	 */
	public function dispatch() {
		if ( give_test_ajax_works() ) {
			parent::dispatch();
		} elseif ( wp_doing_ajax() ) {
			$this->maybe_handle();
		}
	}


	/**
	 * Get all batches.
	 *
	 * @since  2.0
	 * @access public
	 * @return stdClass
	 */
	public function get_all_batch() {
		return $this->get_batch();
	}

	/**
	 * Is queue empty
	 *
	 * @since 2.0.3
	 *
	 * @return bool
	 */
	public function has_queue() {
		return ( ! $this->is_queue_empty() );
	}


	/**
	 * Lock process
	 *
	 * Lock the process so that multiple instances can't run simultaneously.
	 * Override if applicable, but the duration should be greater than that
	 * defined in the time_exceeded() method.
	 *
	 *
	 * @since 2.0.3
	 */
	protected function lock_process() {
		// Check if admin want to pause upgrade.
		if( get_option('give_pause_upgrade') ) {

			self::flush_cache();

			delete_option( 'give_paused_batches' );

			Give_Updates::get_instance()->__pause_db_update( true );

			delete_option('give_pause_upgrade');


			/**
			 * Fire action when pause db updates
			 *
			 * @since 2.0.1
			 */
			do_action( 'give_pause_db_upgrade', Give_Updates::get_instance() );

			wp_die();
		}



		$this->start_time = time(); // Set start time of current process.

		$lock_duration = ( property_exists( $this, 'queue_lock_time' ) ) ? $this->queue_lock_time : 60; // 1 minute
		$lock_duration = apply_filters( $this->identifier . '_queue_lock_time', $lock_duration );

		set_transient( $this->identifier . '_process_lock', microtime(), $lock_duration );
	}

	/**
	 * Handle cron healthcheck
	 *
	 * Restart the background process if not already running
	 * and data exists in the queue.
	 */
	public function handle_cron_healthcheck() {
		if ( $this->is_process_running() || $this->is_paused_process()  ) {
			// Background process already running.
			return;
		}

		if ( $this->is_queue_empty() ) {
			// No data to process.
			$this->clear_scheduled_event();

			return;
		}

		$this->handle();
	}

	/**
	 * Schedule fallback event.
	 */
	protected function schedule_event() {
		if ( ! wp_next_scheduled( $this->cron_hook_identifier ) && ! $this->is_paused_process() ) {
			wp_schedule_event( time() + 10, $this->cron_interval_identifier, $this->cron_hook_identifier );
		}
	}

	/**
	 * Is queue empty
	 *
	 * @since 2.4.5
	 *
	 * @return bool
	 */
	protected function is_queue_empty() {
		global $wpdb;

		$table  = $wpdb->options;
		$column = 'option_name';

		$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';

		$count = $wpdb->get_var( $wpdb->prepare( "

			SELECT COUNT(*)
			FROM {$table}
			WHERE {$column} LIKE %s
		", $key ) );

		return ! ( $count > 0 );
	}

	/**
	 * Get batch
	 *
	 * @since 2.4.5
	 *
	 * @return stdClass Return the first batch from the queue
	 */
	protected function get_batch() {
		global $wpdb;

		$table        = $wpdb->options;
		$column       = 'option_name';
		$key_column   = 'option_id';
		$value_column = 'option_value';

		$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';

		$query = $wpdb->get_row( $wpdb->prepare( "

			SELECT *
			FROM {$table}
			WHERE {$column} LIKE %s
			ORDER BY {$key_column} ASC
			LIMIT 1
		", $key ) );

		$batch       = new stdClass();
		$batch->key  = $query->$column;
		$batch->data = maybe_unserialize( $query->$value_column );

		return $batch;
	}

	/**
	 * Save queue
	 *
	 * @since 2.4.5
	 *
	 * @return $this
	 */
	public function save() {
		$key = $this->generate_key();

		if ( ! empty( $this->data ) ) {
			update_option( $key, $this->data );
		}

		return $this;
	}

	/**
	 * Update queue
	 *
	 * @since 2.4.5
	 *
	 * @param string $key Key.
	 * @param array  $data Data.
	 *
	 * @return $this
	 */
	public function update( $key, $data ) {
		if ( ! empty( $data ) ) {
			update_option( $key, $data );
		}

		return $this;
	}

	/**
	 * Delete queue
	 *
	 * @since 2.4.5
	 *
	 * @param string $key Key.
	 *
	 * @return $this
	 */
	public function delete( $key ) {
		delete_option( $key );

		return $this;
	}

	/**
	 * Is process running
	 *
	 * @since 2.4.5
	 *
	 * Check whether the current process is already running
	 * in a background process.
	 */
	public function is_process_running() {
		if ( get_transient( $this->identifier . '_process_lock' ) ) {
			// Process already running.
			return true;
		}

		return false;
	}

	/**
	 * Unlock process
	 *
	 * Unlock the process so that other instances can spawn.
	 *
	 * @since 2.4.5
	 *
	 * @return $this
	 */
	protected function unlock_process() {
		delete_transient( $this->identifier . '_process_lock' );

		return $this;
	}

	/**
	 * Task
	 *
	 * Override this method to perform any actions required on each
	 * queue item. Return the modified item for further processing
	 * in the next pass through. Or, return false to remove the
	 * item from the queue.
	 *
	 * @param array $update Update info
	 *
	 * @return mixed
	 */
	protected function task( $update ) {
		// Pause upgrade immediately if admin pausing upgrades.
		if( $this->is_paused_process() ) {

			wp_die();
		}

		if ( empty( $update ) ) {
			return false;
		}

		// Delete cache.
		self::flush_cache();

		/* @var  Give_Updates $give_updates */
		$give_updates  = Give_Updates::get_instance();
		$resume_update = get_option(
			'give_doing_upgrade',


			// Default update.
			array(
				'update_info'      => $update,
				'step'             => 1,
				'update'           => 1,
				'heading'          => sprintf( 'Update %s of {update_count}', 1 ),
				'percentage'       => $give_updates->percentage,
				'total_percentage' => 0,
			)
		);

		// Continuously skip update if previous update does not complete yet.
		if (
			$resume_update['update_info']['id'] !== $update['id'] &&
			! give_has_upgrade_completed( $resume_update['update_info']['id'] )
		) {
			return $update;
		}

		// Set params.
		$resume_update['update_info'] = $update;
		$give_updates->step           = absint( $resume_update['step'] );
		$give_updates->update         = absint( $resume_update['update'] );
		$is_parent_update_completed   = $give_updates->is_parent_updates_completed( $update );



		// Skip update if dependency update does not complete yet.
		if ( empty( $is_parent_update_completed ) ) {
			// @todo: set error when you have only one update with invalid dependency
			if ( ! is_null( $is_parent_update_completed ) ) {
				return $update;
			}

			return false;
		}



		// Pause upgrade immediately if found following:
		// 1. Running update number greater then total update count
		// 2. Processing percentage greater then 100%
		if( (

			101 < $resume_update['total_percentage'] ) ||
		    ( $give_updates->get_total_db_update_count() < $resume_update['update'] ) ||
		    ! in_array( $resume_update['update_info']['id'], $give_updates->get_update_ids() )
		) {
			if( ! $this->is_paused_process() ){

				$give_updates->__pause_db_update(true);

			}

			update_option( 'give_upgrade_error', 1, false );

			$log_data = 'Update Task' . "\n";
			$log_data .= "Total update count: {$give_updates->get_total_db_update_count()}\n";
			$log_data .= 'Update IDs: ' . print_r( $give_updates->get_update_ids() , true );

			$log_data .= 'Update: ' . print_r( $resume_update , true );


			Give()->logs->add( 'Update Error', $log_data, 0, 'update' );

			wp_die();
		}

		// Disable cache.
		Give_Cache::disable();

		try{
			// Run update.
			if ( is_array( $update['callback'] ) ) {
				$object      = $update['callback'][0];
				$method_name = $update['callback'][1];

				$object->$method_name();

			} else {
				$update['callback']();
			}
		} catch ( Exception $e ){

			if( ! $this->is_paused_process() ){

				$give_updates->__pause_db_update(true);

			}

			$log_data = 'Update Task' . "\n";
			$log_data .= print_r( $resume_update, true ) . "\n\n";

			$log_data .= "Error\n {$e->getMessage()}";

			Give()->logs->add( 'Update Error', $log_data, 0, 'update' );
			update_option( 'give_upgrade_error', 1, false );

			wp_die();
		}

		// Set update info.
		$doing_upgrade_args = array(
			'update_info'      => $update,
			'step'             => ++ $give_updates->step,
			'update'           => $give_updates->update,
			'heading'          => sprintf( 'Update %s of %s', $give_updates->update, get_option( 'give_db_update_count' ) ),
			'percentage'       => $give_updates->percentage,
			'total_percentage' => $give_updates->get_db_update_processing_percentage(),
		);

		// Cache upgrade.
		update_option( 'give_doing_upgrade', $doing_upgrade_args, false );

		// Enable cache.
		Give_Cache::enable();

		// Check if current update completed or not.
		if ( give_has_upgrade_completed( $update['id'] ) ) {
			return false;
		}

		return $update;
	}

	/**
	 * Complete
	 *
	 * Override if applicable, but ensure that the below actions are
	 * performed, or, call parent::complete().
	 */
	public function complete() {
		if ( $this->is_paused_process() ) {
			return false;
		}

		parent::complete();

		delete_option( 'give_pause_upgrade' );
		delete_option( 'give_upgrade_error' );
		delete_option( 'give_db_update_count' );
		delete_option( 'give_doing_upgrade' );
		add_option( 'give_show_db_upgrade_complete_notice', 1, '', false );

		// Flush cache.
		Give_Cache::flush_cache( true );

		if ( $cache_keys = Give_Cache::get_options_like( '' ) ) {
			Give_Cache::delete( $cache_keys );
		}
	}

	/**
	 * Get memory limit
	 *
	 * @return int
	 */
	protected function get_memory_limit() {
		if ( function_exists( 'ini_get' ) ) {
			$memory_limit = ini_get( 'memory_limit' );
		} else {
			// Sensible default.
			$memory_limit = '128M';
		}

		if ( ! $memory_limit || '-1' === $memory_limit ) {
			// Unlimited, set to 32GB.
			$memory_limit = '32G';
		}

		return give_let_to_num( $memory_limit );
	}

	/**
	 * Maybe process queue
	 *
	 * Checks whether data exists within the queue and that
	 * the process is not already running.
	 */
	public function maybe_handle() {
		// Don't lock up other requests while processing
		session_write_close();


		if ( $this->is_process_running() || $this->is_paused_process() ) {
			// Background process already running.
			wp_die();
		}

		if ( $this->is_queue_empty() ) {
			// No data to process.
			wp_die();
		}

		check_ajax_referer( $this->identifier, 'nonce' );

		$this->handle();

		wp_die();
	}

	/**
	 * Handle
	 *
	 * Pass each queue item to the task handler, while remaining
	 * within server memory and time limit constraints.
	 */
	protected function handle() {
		$this->lock_process();

		do {
			$batch = $this->get_batch();

			foreach ( $batch->data as $key => $value ) {
				$task = $this->task( $value );

				if ( false !== $task ) {
					$batch->data[ $key ] = $task;
				} else {
					unset( $batch->data[ $key ] );
				}

				if ( $this->time_exceeded() || $this->memory_exceeded() ) {
					// Batch limits reached.
					break;
				}
			}

			// Update or delete current batch.
			if ( ! empty( $batch->data ) ) {
				$this->update( $batch->key, $batch->data );
			} else {
				$this->delete( $batch->key );
			}
		} while ( ! $this->time_exceeded() && ! $this->memory_exceeded() && ! $this->is_queue_empty() );

		$this->unlock_process();

		// Start next batch or complete process.
		if ( ! $this->is_queue_empty() ) {

			// Dispatch only if ajax works.
			if( give_test_ajax_works() ) {

				$this->dispatch();
			}
		} else {
			$this->complete();
		}

		wp_die();
	}


	/**
	 * Check if backgound upgrade paused or not.
	 *
	 * @since 2.0
	 * @access public
	 * @return bool
	 */
	public function is_paused_process(){
		// Delete cache.
		wp_cache_delete( 'give_paused_batches', 'options' );

		$paused_batches = get_option('give_paused_batches');


		return ! empty( $paused_batches );
	}


	/**
	 * Get identifier
	 *
	 * @since  2.0
	 * @access public
	 * @return mixed|string
	 */
	public function get_identifier() {
		return $this->identifier;
	}

	/**
	 * Get cron identifier
	 *
	 * @since  2.0
	 * @access public
	 * @return mixed|string
	 */
	public function get_cron_identifier() {
		return $this->cron_hook_identifier;
	}


	/**
	 * Flush background update related cache to prevent task to go to stalled state.
	 *
	 * @since 2.0.3
	 */
	public static function flush_cache() {

		$options = array(
			'give_completed_upgrades',
			'give_doing_upgrade',
			'give_paused_batches',
			'give_upgrade_error',
			'give_db_update_count',
			'give_pause_upgrade',
			'give_show_db_upgrade_complete_notice',
		);



		foreach ( $options as $option ) {
			wp_cache_delete( $option, 'options' );
		}
	}
}


1			<?php
2			/**
3			* Background Updater
4			*
5			* Uses https://github.com/A5hleyRich/wp-background-processing to handle DB
6			* updates in the background.
7			*
8			* @class Give_Background_Updater
9			* @version 2.0.0
10			* @package Give/Classes
11			* @category Class
12			* @author GiveWP
13			*/
14			if ( ! defined( 'ABSPATH' ) ) {
15			exit;
16			}
17
18			/**
19			* Give_Background_Updater Class.
20			*/
21			class Give_Background_Updater extends WP_Background_Process {
22
23			/**
24			* @var string
25			*/
26			protected $action = 'give_db_updater';
27
28			/**
29			* Dispatch updater.
30			*
31			* Updater will still run via cron job if this fails for any reason.
32			*/
33			public function dispatch() {
34			if ( give_test_ajax_works() ) {
35			parent::dispatch();
36			} elseif ( wp_doing_ajax() ) {
37			$this->maybe_handle();
38			}
39			}
40
41
42			/**
43			* Get all batches.
44			*
45			* @since 2.0
46			* @access public
47			* @return stdClass
48			*/
49			public function get_all_batch() {
50			return $this->get_batch();
51			}
52
53			/**
54			* Is queue empty
55			*
56			* @since 2.0.3
57			*
58			* @return bool
59			*/
60			public function has_queue() {
61			return ( ! $this->is_queue_empty() );
62			}
63
64
65			/**
66			* Lock process
67			*
68			* Lock the process so that multiple instances can't run simultaneously.
69			* Override if applicable, but the duration should be greater than that
70			* defined in the time_exceeded() method.
71			*
72			*
73			* @since 2.0.3
74			*/
75			protected function lock_process() {
76			// Check if admin want to pause upgrade.
77			if( get_option('give_pause_upgrade') ) {
			0 ignored issues – show introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Space after opening control structure is required Loading history... introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report No space before opening parenthesis is prohibited Loading history... Coding Style introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Expected 1 spaces after opening bracket; 0 found Loading history... Coding Style introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Expected 1 spaces before closing bracket; 0 found Loading history...
78			self::flush_cache();
79
80			delete_option( 'give_paused_batches' );
81
82			Give_Updates::get_instance()->__pause_db_update( true );
83
84			delete_option('give_pause_upgrade');
			0 ignored issues – show Coding Style introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Expected 1 spaces after opening bracket; 0 found Loading history... Coding Style introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Expected 1 spaces before closing bracket; 0 found Loading history...
85
86			/**
87			* Fire action when pause db updates
88			*
89			* @since 2.0.1
90			*/
91			do_action( 'give_pause_db_upgrade', Give_Updates::get_instance() );
92
93			wp_die();
94			}
95
			0 ignored issues – show Coding Style introduced 2018-10-24 21:24 UTC by Report Bug Copy Issue Report Functions must not contain multiple empty lines in a row; found 2 empty lines Loading history...
96
97			$this->start_time = time(); // Set start time of current process.
98
99			$lock_duration = ( property_exists( $this, 'queue_lock_time' ) ) ? $this->queue_lock_time : 60; // 1 minute
100			$lock_duration = apply_filters( $this->identifier . '_queue_lock_time', $lock_duration );
101
102			set_transient( $this->identifier . '_process_lock', microtime(), $lock_duration );
103			}
104
105			/**
106			* Handle cron healthcheck
107			*
108			* Restart the background process if not already running
109			* and data exists in the queue.
110			*/
111			public function handle_cron_healthcheck() {
112			if ( $this->is_process_running() \|\| $this->is_paused_process() ) {
113			// Background process already running.
114			return;
115			}
116
117			if ( $this->is_queue_empty() ) {
118			// No data to process.
119			$this->clear_scheduled_event();
120
121			return;
122			}
123
124			$this->handle();
125			}
126
127			/**
128			* Schedule fallback event.
129			*/
130			protected function schedule_event() {
131			if ( ! wp_next_scheduled( $this->cron_hook_identifier ) && ! $this->is_paused_process() ) {
132			wp_schedule_event( time() + 10, $this->cron_interval_identifier, $this->cron_hook_identifier );
133			}
134			}
135
136			/**
137			* Is queue empty
138			*
139			* @since 2.4.5
140			*
141			* @return bool
142			*/
143			protected function is_queue_empty() {
144			global $wpdb;
145
146			$table = $wpdb->options;
147			$column = 'option_name';
148
149			$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';
150
151			$count = $wpdb->get_var( $wpdb->prepare( "
			0 ignored issues – show introduced 2019-04-16 19:09 UTC by Report Bug Copy Issue Report Usage of a direct database call is discouraged. Loading history... introduced 2019-04-16 19:09 UTC by Report Bug Copy Issue Report Usage of a direct database call without caching is prohibited. Use wp_cache_get / wp_cache_set. Loading history...
152			SELECT COUNT(*)
153			FROM {$table}
154			WHERE {$column} LIKE %s
155			", $key ) );
156
157			return ! ( $count > 0 );
158			}
159
160			/**
161			* Get batch
162			*
163			* @since 2.4.5
164			*
165			* @return stdClass Return the first batch from the queue
166			*/
167			protected function get_batch() {
168			global $wpdb;
169
170			$table = $wpdb->options;
171			$column = 'option_name';
172			$key_column = 'option_id';
173			$value_column = 'option_value';
174
175			$key = $wpdb->esc_like( $this->identifier . '_batch_' ) . '%';
176
177			$query = $wpdb->get_row( $wpdb->prepare( "
			0 ignored issues – show introduced 2019-04-16 19:09 UTC by Report Bug Copy Issue Report Usage of a direct database call is discouraged. Loading history... introduced 2019-04-16 19:09 UTC by Report Bug Copy Issue Report Usage of a direct database call without caching is prohibited. Use wp_cache_get / wp_cache_set. Loading history...
178			SELECT *
179			FROM {$table}
180			WHERE {$column} LIKE %s
181			ORDER BY {$key_column} ASC
182			LIMIT 1
183			", $key ) );
184
185			$batch = new stdClass();
186			$batch->key = $query->$column;
187			$batch->data = maybe_unserialize( $query->$value_column );
188
189			return $batch;
190			}
191
192			/**
193			* Save queue
194			*
195			* @since 2.4.5
196			*
197			* @return $this
198			*/
199			public function save() {
200			$key = $this->generate_key();
201
202			if ( ! empty( $this->data ) ) {
203			update_option( $key, $this->data );
204			}
205
206			return $this;
207			}
208
209			/**
210			* Update queue
211			*
212			* @since 2.4.5
213			*
214			* @param string $key Key.
215			* @param array $data Data.
216			*
217			* @return $this
218			*/
219			public function update( $key, $data ) {
220			if ( ! empty( $data ) ) {
221			update_option( $key, $data );
222			}
223
224			return $this;
225			}
226
227			/**
228			* Delete queue
229			*
230			* @since 2.4.5
231			*
232			* @param string $key Key.
233			*
234			* @return $this
235			*/
236			public function delete( $key ) {
237			delete_option( $key );
238
239			return $this;
240			}
241
242			/**
243			* Is process running
244			*
245			* @since 2.4.5
246			*
247			* Check whether the current process is already running
248			* in a background process.
249			*/
250			public function is_process_running() {
251			if ( get_transient( $this->identifier . '_process_lock' ) ) {
252			// Process already running.
253			return true;
254			}
255
256			return false;
257			}
258
259			/**
260			* Unlock process
261			*
262			* Unlock the process so that other instances can spawn.
263			*
264			* @since 2.4.5
265			*
266			* @return $this
267			*/
268			protected function unlock_process() {
269			delete_transient( $this->identifier . '_process_lock' );
270
271			return $this;
272			}
273
274			/**
275			* Task
276			*
277			* Override this method to perform any actions required on each
278			* queue item. Return the modified item for further processing
279			* in the next pass through. Or, return false to remove the
280			* item from the queue.
281			*
282			* @param array $update Update info
283			*
284			* @return mixed
285			*/
286			protected function task( $update ) {
287			// Pause upgrade immediately if admin pausing upgrades.
288			if( $this->is_paused_process() ) {
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289			wp_die();
290			}
291
292			if ( empty( $update ) ) {
293			return false;
294			}
295
296			// Delete cache.
297			self::flush_cache();
298
299			/* @var Give_Updates $give_updates */
300			$give_updates = Give_Updates::get_instance();
301			$resume_update = get_option(
302			'give_doing_upgrade',
303
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304			// Default update.
305			array(
306			'update_info' => $update,
307			'step' => 1,
308			'update' => 1,
309			'heading' => sprintf( 'Update %s of {update_count}', 1 ),
310			'percentage' => $give_updates->percentage,
311			'total_percentage' => 0,
312			)
313			);
314
315			// Continuously skip update if previous update does not complete yet.
316			if (
317			$resume_update['update_info']['id'] !== $update['id'] &&
318			! give_has_upgrade_completed( $resume_update['update_info']['id'] )
319			) {
320			return $update;
321			}
322
323			// Set params.
324			$resume_update['update_info'] = $update;
325			$give_updates->step = absint( $resume_update['step'] );
326			$give_updates->update = absint( $resume_update['update'] );
327			$is_parent_update_completed = $give_updates->is_parent_updates_completed( $update );
328
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329
330			// Skip update if dependency update does not complete yet.
331			if ( empty( $is_parent_update_completed ) ) {
332			// @todo: set error when you have only one update with invalid dependency
333			if ( ! is_null( $is_parent_update_completed ) ) {
334			return $update;
335			}
336
337			return false;
338			}
339
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340
341			// Pause upgrade immediately if found following:
342			// 1. Running update number greater then total update count
343			// 2. Processing percentage greater then 100%
344			if( (
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345			101 < $resume_update['total_percentage'] ) \|\|
346			( $give_updates->get_total_db_update_count() < $resume_update['update'] ) \|\|
347			! in_array( $resume_update['update_info']['id'], $give_updates->get_update_ids() )
348			) {
349			if( ! $this->is_paused_process() ){
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350			$give_updates->__pause_db_update(true);
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351			}
352
353			update_option( 'give_upgrade_error', 1, false );
354
355			$log_data = 'Update Task' . "\n";
356			$log_data .= "Total update count: {$give_updates->get_total_db_update_count()}\n";
357			$log_data .= 'Update IDs: ' . print_r( $give_updates->get_update_ids() , true );
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358			$log_data .= 'Update: ' . print_r( $resume_update , true );
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359
360			Give()->logs->add( 'Update Error', $log_data, 0, 'update' );
361
362			wp_die();
363			}
364
365			// Disable cache.
366			Give_Cache::disable();
367
368			try{
369			// Run update.
370			if ( is_array( $update['callback'] ) ) {
371			$object = $update['callback'][0];
372			$method_name = $update['callback'][1];
373
374			$object->$method_name();
375
376			} else {
377			$update['callback']();
378			}
379			} catch ( Exception $e ){
380
381			if( ! $this->is_paused_process() ){
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382			$give_updates->__pause_db_update(true);
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383			}
384
385			$log_data = 'Update Task' . "\n";
386			$log_data .= print_r( $resume_update, true ) . "\n\n";
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387			$log_data .= "Error\n {$e->getMessage()}";
388
389			Give()->logs->add( 'Update Error', $log_data, 0, 'update' );
390			update_option( 'give_upgrade_error', 1, false );
391
392			wp_die();
393			}
394
395			// Set update info.
396			$doing_upgrade_args = array(
397			'update_info' => $update,
398			'step' => ++ $give_updates->step,
399			'update' => $give_updates->update,
400			'heading' => sprintf( 'Update %s of %s', $give_updates->update, get_option( 'give_db_update_count' ) ),
401			'percentage' => $give_updates->percentage,
402			'total_percentage' => $give_updates->get_db_update_processing_percentage(),
403			);
404
405			// Cache upgrade.
406			update_option( 'give_doing_upgrade', $doing_upgrade_args, false );
407
408			// Enable cache.
409			Give_Cache::enable();
410
411			// Check if current update completed or not.
412			if ( give_has_upgrade_completed( $update['id'] ) ) {
413			return false;
414			}
415
416			return $update;
417			}
418
419			/**
420			* Complete
421			*
422			* Override if applicable, but ensure that the below actions are
423			* performed, or, call parent::complete().
424			*/
425			public function complete() {
426			if ( $this->is_paused_process() ) {
427			return false;
428			}
429
430			parent::complete();
431
432			delete_option( 'give_pause_upgrade' );
433			delete_option( 'give_upgrade_error' );
434			delete_option( 'give_db_update_count' );
435			delete_option( 'give_doing_upgrade' );
436			add_option( 'give_show_db_upgrade_complete_notice', 1, '', false );
437
438			// Flush cache.
439			Give_Cache::flush_cache( true );
440
441			if ( $cache_keys = Give_Cache::get_options_like( '' ) ) {
442			Give_Cache::delete( $cache_keys );
443			}
444			}
445
446			/**
447			* Get memory limit
448			*
449			* @return int
450			*/
451			protected function get_memory_limit() {
452			if ( function_exists( 'ini_get' ) ) {
453			$memory_limit = ini_get( 'memory_limit' );
454			} else {
455			// Sensible default.
456			$memory_limit = '128M';
457			}
458
459			if ( ! $memory_limit \|\| '-1' === $memory_limit ) {
460			// Unlimited, set to 32GB.
461			$memory_limit = '32G';
462			}
463
464			return give_let_to_num( $memory_limit );
465			}
466
467			/**
468			* Maybe process queue
469			*
470			* Checks whether data exists within the queue and that
471			* the process is not already running.
472			*/
473			public function maybe_handle() {
474			// Don't lock up other requests while processing
475			session_write_close();
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476
477			if ( $this->is_process_running() \|\| $this->is_paused_process() ) {
478			// Background process already running.
479			wp_die();
480			}
481
482			if ( $this->is_queue_empty() ) {
483			// No data to process.
484			wp_die();
485			}
486
487			check_ajax_referer( $this->identifier, 'nonce' );
488
489			$this->handle();
490
491			wp_die();
492			}
493
494			/**
495			* Handle
496			*
497			* Pass each queue item to the task handler, while remaining
498			* within server memory and time limit constraints.
499			*/
500			protected function handle() {
501			$this->lock_process();
502
503			do {
504			$batch = $this->get_batch();
505
506			foreach ( $batch->data as $key => $value ) {
507			$task = $this->task( $value );
508
509			if ( false !== $task ) {
510			$batch->data[ $key ] = $task;
511			} else {
512			unset( $batch->data[ $key ] );
513			}
514
515			if ( $this->time_exceeded() \|\| $this->memory_exceeded() ) {
516			// Batch limits reached.
517			break;
518			}
519			}
520
521			// Update or delete current batch.
522			if ( ! empty( $batch->data ) ) {
523			$this->update( $batch->key, $batch->data );
524			} else {
525			$this->delete( $batch->key );
526			}
527			} while ( ! $this->time_exceeded() && ! $this->memory_exceeded() && ! $this->is_queue_empty() );
528
529			$this->unlock_process();
530
531			// Start next batch or complete process.
532			if ( ! $this->is_queue_empty() ) {
533
534			// Dispatch only if ajax works.
535			if( give_test_ajax_works() ) {
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536			$this->dispatch();
537			}
538			} else {
539			$this->complete();
540			}
541
542			wp_die();
543			}
544
545
546			/**
547			* Check if backgound upgrade paused or not.
548			*
549			* @since 2.0
550			* @access public
551			* @return bool
552			*/
553			public function is_paused_process(){
554			// Delete cache.
555			wp_cache_delete( 'give_paused_batches', 'options' );
556
557			$paused_batches = get_option('give_paused_batches');
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558
559			return ! empty( $paused_batches );
560			}
561
562
563			/**
564			* Get identifier
565			*
566			* @since 2.0
567			* @access public
568			* @return mixed\|string
569			*/
570			public function get_identifier() {
571			return $this->identifier;
572			}
573
574			/**
575			* Get cron identifier
576			*
577			* @since 2.0
578			* @access public
579			* @return mixed\|string
580			*/
581			public function get_cron_identifier() {
582			return $this->cron_hook_identifier;
583			}
584
585
586			/**
587			* Flush background update related cache to prevent task to go to stalled state.
588			*
589			* @since 2.0.3
590			*/
591			public static function flush_cache() {
592
593			$options = array(
594			'give_completed_upgrades',
595			'give_doing_upgrade',
596			'give_paused_batches',
597			'give_upgrade_error',
598			'give_db_update_count',
599			'give_pause_upgrade',
600			'give_show_db_upgrade_complete_notice',
601			);
602
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603
604			foreach ( $options as $option ) {
605			wp_cache_delete( $option, 'options' );
606			}
607			}
608			}
609

impress-org / give

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Give_Background_Updater::delete() A

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