imagify / inc / 3rd-party / enable-media-replace / classes / Main.php

Main.php in Imagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF 2.3.1, at inc/3rd-party/enable-media-replace/classes/Main.php

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1	<?php
2	namespace Imagify\ThirdParty\EnableMediaReplace;
3
4	use Imagify\Traits\InstanceGetterTrait;
5	use Imagify_Enable_Media_Replace_Deprecated;
6	use Imagify_Filesystem;
7
8	/**
9	* Compat class for Enable Media Replace plugin.
10	*
11	* @since 1.6.9
12	*/
13	class Main extends Imagify_Enable_Media_Replace_Deprecated {
14	use InstanceGetterTrait;
15
16	/**
17	* The media ID.
18	*
19	* @var int
20	* @since 1.9
21	*/
22	protected $media_id;
23
24	/**
25	* The process instance for the current attachment.
26	*
27	* @var ProcessInterface
28	* @since 1.9
29	*/
30	protected $process;
31
32	/**
33	* The path to the old backup file.
34	*
35	* @var string
36	* @since 1.6.9
37	*/
38	protected $old_backup_path;
39
40	/**
41	* List of paths to the old next-gen files.
42	*
43	* @var array
44	* @since 1.9.8
45	*/
46	protected $old_nextgen_paths = [];
47
48	/**
49	* Launch the hooks before the files and data are replaced.
50	*
51	* @since 1.6.9
52	* @since 1.9.10 The parameter changed from boolean to array. The method doesn’t return anything.
53	*
54	* @param array $args An array containing the post ID.
55	*/
56	public function init( $args = [] ) {
57	if ( is_array( $args ) && ! empty( $args['post_id'] ) ) {
58	$this->media_id = $args['post_id'];
59	} else {
60	// Backward compatibility.
61	$this->media_id = (int) filter_input( INPUT_POST, 'ID' );
62	$this->media_id = max( 0, $this->media_id );
63
64	if ( ! $this->media_id ) {
65	return;
66	}
67	}
68
69	// Store the old backup file path.
70	$this->get_process();
71
72	if ( ! $this->process ) {
73	$this->media_id = 0;
74	return;
75	}
76
77	$this->old_backup_path = $this->process->get_media()->get_backup_path();
78
79	if ( ! $this->old_backup_path ) {
80	$this->media_id = 0;
81	return;
82	}
83
84	/**
85	* Keep track of existing next-gen files.
86	*
87	* Whether the user chooses to rename the files or not, we will need to delete the current next-gen files before creating new ones:
88	* - Rename the files: the old ones must be removed, they are useless now.
89	* - Do not rename the files: the thumbnails may still get new names because of the suffix containing the image dimensions, which may differ (for example when thumbnails are scaled, not cropped).
90	* In this last case, the thumbnails with the old dimensions are removed from the drive and from the WP’s post meta, so there is no need of keeping orphan next-gen files that would stay on the drive for ever, even after the attachment is deleted from WP.
91	*/
92	foreach ( $this->process->get_media()->get_media_files() as $media_file ) {
93	foreach ( [ 'avif', 'webp' ] as $format ) {
94	$this->old_nextgen_paths[] = imagify_path_to_nextgen( $media_file['path'], $format );
95	}
96	}
97
98	// Delete the old backup file and old next-gen files.
99	add_action( 'imagify_before_auto_optimization', [ $this, 'delete_backup' ] );
100	add_action( 'imagify_not_optimized_attachment_updated', [ $this, 'delete_backup' ] );
101	}
102
103	/**
104	* Delete previous backup file and next-gen files.
105	* This is done after the images have been already replaced by Enable Media Replace.
106	*
107	* @since 1.8.4
108	*
109	* @param int $media_id The attachment ID.
110	*/
111	public function delete_backup( $media_id ) {
112	if ( ! $this->old_backup_path \|\| ! $this->media_id \|\| $media_id !== $this->media_id ) {
113	return;
114	}
115
116	$filesystem = Imagify_Filesystem::get_instance();
117
118	if ( $filesystem->exists( $this->old_backup_path ) ) {
119	// Delete old backup file.
120	$filesystem->delete( $this->old_backup_path );
121	$this->old_backup_path = false;
122	}
123
124	if ( ! empty( $this->old_nextgen_paths ) ) {
125	// Delete old next-gen files.
126	$this->old_nextgen_paths = array_filter( $this->old_nextgen_paths, [ $filesystem, 'exists' ] );
127	array_map( [ $filesystem, 'delete' ], $this->old_nextgen_paths );
128	$this->old_nextgen_paths = [];
129	}
130	}
131
132	/**
133	* Get the optimization process corresponding to the current media.
134	*
135	* @since 1.9
136	*
137	* @return ProcessInterface\|bool False if invalid.
138	*/
139	protected function get_process() {
140	if ( isset( $this->process ) ) {
141	return $this->process;
142	}
143
144	$this->process = imagify_get_optimization_process( $this->media_id, 'wp' );
145
146	if ( ! $this->process->is_valid() ) {
147	$this->process = false;
148	}
149
150	return $this->process;
151	}
152	}
153