wp-optimize / webp / class-wpo-webp-task-manager.php

class-wpo-webp-task-manager.php in WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance 4.5.3, at webp/class-wpo-webp-task-manager.php

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1	<?php
2
3	if (!defined('ABSPATH')) die('Access denied.');
4
5	if (!class_exists('Updraft_Task_Manager_1_4')) require_once(WPO_PLUGIN_MAIN_PATH . 'vendor/team-updraft/common-libs/src/updraft-tasks/class-updraft-task-manager.php');
6
7	if (!class_exists('WPO_Webp_Task_Manager')) :
8
9	class WPO_Webp_Task_Manager extends Updraft_Task_Manager_1_4 {
10
11	/**
12	* @var WPO_Webp_Task_Manager
13	*/
14	static protected $_instance = null;
15
16	/**
17	* Logs a message using the WebP optimization instance.
18	*
19	* @param string $message The message to log.
20	* @param string $error_type Optional. The type of error. Default 'info'.
21	*/
22	public function log($message, $error_type = 'info') {
23	$webp_instance = WP_Optimize()->get_webp_instance();
24	$webp_instance->log($message, $error_type);
25	}
26
27	/**
28	* Instance of WP_Optimize_Webp_Task_Manager.
29	*
30	* @return self
31	*/
32	public static function get_instance(): self {
33	if (empty(self::$_instance)) {
34	self::$_instance = new self();
35	}
36
37	return self::$_instance;
38	}
39
40	/**
41	* Convert already compressed images to webp format
42	*/
43	public function webp_convert_compressed_images() {
44	$task_type = 'webp-convert-compressed-images-task';
45
46	$creating_tasks_semaphore = new Updraft_Semaphore_3_0('wpo_' . $task_type);
47	$lock = $creating_tasks_semaphore->lock();
48	if (!$lock) return;
49
50	if (is_multisite()) {
51	$sites = WP_Optimize()->get_sites();
52	foreach ($sites as $site) {
53	$blog_id = $site->blog_id;
54	switch_to_blog($blog_id);
55	$this->create_webp_convert_compressed_image_task($task_type, $blog_id);
56	restore_current_blog();
57	}
58	} else {
59	$this->create_webp_convert_compressed_image_task($task_type, 1);
60	}
61
62	$creating_tasks_semaphore->release();
63
64	$this->process_queue($task_type);
65	}
66
67	/**
68	* Creates tasks for converting compressed images to WebP format
69	*
70	* @param string $task_type The type identifier for the conversion task
71	* @param int $blog_id The ID of the blog/site where the images should be converted
72	*
73	* @return void
74	*/
75	private function create_webp_convert_compressed_image_task(string $task_type, int $blog_id) {
76	$this->clean_up_old_tasks($task_type);
77	$images = $this->get_compressed_images_to_convert();
78	foreach ($images as $image) {
79	$blog_info = ', Blog ID : '. $blog_id;
80	$description = 'Webp Conversion of Compressed Image with ID - ' . $image['post_id'] . $blog_info;
81	$options = array(
82	'attachment_id' => $image['post_id'],
83	'blog_id' => $blog_id,
84	'attachment_source' => $image['source'],
85	'anonymous_user_allowed' => (defined('DOING_CRON') && DOING_CRON) \|\| (defined('WP_CLI') && WP_CLI)
86	);
87	WPO_Webp_Convert_Image_Task::create_task($task_type, $description, $options);
88	}
89	}
90
91	/**
92	* Get compressed images to convert
93	*
94	* @return array[] Array of arrays containing:
95	* 'post_id' (int) The ID of the attachment post
96	* 'source' (string) The file path of the attachment
97	*/
98	private function get_compressed_images_to_convert(): array {
99	$args = array(
100	'meta_query' => $this->get_compressed_images_meta_query(),
101	'post_type' => 'attachment',
102	'numberposts' => 50,
103	);
104
105	$page = 1;
106	$webp_converter = new WPO_WebP_Convert();
107	$posts = 0;
108	$query_is_not_empty = true;
109	$filtered_post_ids = array();
110	while ($posts < 50 && $query_is_not_empty) {
111	$args['paged'] = $page;
112	$query = get_posts($args);
113	if (empty($query)) $query_is_not_empty = false;
114
115	foreach ($query as $post) {
116	$source = get_attached_file($post->ID);
117	if (false === $source) continue;
118	$destination = $webp_converter->get_destination_path($source);
119	if (file_exists($destination)) {
120	// A way of backfilling already webp converted images
121	update_post_meta($post->ID, 'wpo-webp-conversion-complete', true);
122	continue;
123	}
124
125	$filtered_post_ids[] = array(
126	'post_id' => $post->ID,
127	'source' => $source
128	);
129	$posts++;
130	}
131	$page++;
132	};
133
134	return $filtered_post_ids;
135	}
136
137	/**
138	* Meta query array for getting compressed images
139	*
140	* @return array
141	*/
142	private function get_compressed_images_meta_query(): array {
143	return array(
144	'relation' => 'AND',
145	array(
146	'key' => 'smush-complete',
147	'compare' => '=',
148	'value' => '1',
149	),
150	// Check if the image is not already converted to webp
151	array(
152	'relation' => 'OR',
153	array(
154	'key' => 'wpo-webp-conversion-complete',
155	'compare' => 'NOT EXISTS',
156	'value' => '',
157	),
158	array(
159	'key' => 'wpo-webp-conversion-complete',
160	'compare' => '!=',
161	'value' => '1',
162	)
163	),
164	);
165	}
166	}
167	endif;
168