tiny-compress-images / src / class-tiny-cli.php

class-tiny-cli.php in TinyPNG – JPEG, PNG & WebP image compression 3.6.5, at src/class-tiny-cli.php

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1	<?php
2	/*
3	* Tiny Compress Images - WordPress plugin.
4	* Copyright (C) 2015-2018 Tinify B.V.
5	*
6	* This program is free software; you can redistribute it and/or modify it
7	* under the terms of the GNU General Public License as published by the Free
8	* Software Foundation; either version 2 of the License, or (at your option)
9	* any later version.
10	*
11	* This program is distributed in the hope that it will be useful, but WITHOUT
12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14	* more details.
15	*
16	* You should have received a copy of the GNU General Public License along
17	* with this program; if not, write to the Free Software Foundation, Inc., 51
18	* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19	*/
20
21	class Tiny_Cli {
22	public static function register_command( $settings ) {
23	$command_instance = new Tiny_Command( $settings );
24	WP_CLI::add_command( 'tiny', $command_instance );
25	}
26	}
27
28	class Tiny_Command {
29
30	/**
31	* Tinify Settings
32	*
33	* @var Tiny_Settings
34	*/
35	private $tiny_settings;
36
37	public function __construct( $settings ) {
38	$this->tiny_settings = $settings;
39	}
40
41	/**
42	* Optimize will process images
43	*
44	* [--attachments=<strings>]
45	* : A comma separated list of attachment IDs to process. If omitted
46	* will optimize all uncompressed attachments
47	*
48	*
49	* ## EXAMPLES
50	*
51	* optimize specific attachments
52	* wp tiny optimize --attachments=532,603,705
53	*
54	* optimize all unprocessed images
55	* wp tiny optimize
56	*
57	*
58	* @param array $args
59	* @param array $assoc_args
60	* @return void
61	*/
62	public function optimize( $args, $assoc_args ) {
63	$attachments = isset( $assoc_args['attachments'] ) ?
64	array_map( 'trim', explode( ',', $assoc_args['attachments'] ) ) :
65	array();
66
67	if ( empty( $attachments ) ) {
68	$attachments = $this->get_unoptimized_attachments();
69	}
70
71	if ( empty( $attachments ) ) {
72	WP_CLI::success( 'No images found that need optimization.' );
73	return;
74	}
75
76	$total = count( $attachments );
77	WP_CLI::log( 'Optimizing ' . $total . ' images.' );
78
79	$progress = Utils\make_progress_bar( 'Optimizing images', $total );
80	$optimized = 0;
81	foreach ( $attachments as $attachment_id ) {
82	$attachment_id = intval( $attachment_id );
83
84	if ( ! $this->is_valid_attachment( $attachment_id ) ) {
85	WP_CLI::warning( 'skipping - invalid attachment: ' . $attachment_id );
86	$progress->tick();
87	continue;
88	}
89
90	try {
91	$result = $this->optimize_attachment( $attachment_id );
92	if ( isset( $result['success'] ) && $result['success'] > 0 ) {
93	$optimized++;
94	}
95	} catch ( Exception $e ) {
96	WP_CLI::warning(
97	'skipping - error: ' .
98	$e->getMessage() .
99	' (ID: ' .
100	$attachment_id .
101	')'
102	);
103	}
104
105	$progress->tick();
106	}
107
108	$progress->finish();
109	WP_CLI::success( 'Done! Optimized ' . $optimized . ' of ' . $total . ' images.' );
110	}
111
112	private function get_unoptimized_attachments() {
113	$stats = Tiny_Bulk_Optimization::get_optimization_statistics( $this->tiny_settings );
114
115	if ( empty( $stats['available-for-optimization'] ) ) {
116	return array();
117	}
118
119	$ids = array();
120	foreach ( $stats['available-for-optimization'] as $item ) {
121	if ( isset( $item['ID'] ) ) {
122	$ids[] = $item['ID'];
123	}
124	}
125	return $ids;
126	}
127
128	/**
129	* Will process an attachment for optimization
130	*
131	* @return array{ success: int, failed: int }
132	*/
133	private function optimize_attachment( $attachment_id ) {
134	$tiny_image = new Tiny_Image( $this->tiny_settings, $attachment_id );
135	return $tiny_image->compress();
136	}
137
138	private function is_valid_attachment( $attachment_id ) {
139	$mime_type = get_post_mime_type( $attachment_id );
140	if ( ! $mime_type \|\| strpos( $mime_type, 'image/' ) !== 0 ) {
141	return false;
142	}
143
144	$supported_types = array( 'image/jpeg', 'image/png', 'image/webp' );
145	if ( ! in_array( $mime_type, $supported_types, true ) ) {
146	return false;
147	}
148
149	return true;
150	}
151	}
152