image-optimization / classes / file-system / file-system.php

file-system.php in Image Optimizer – Compress Images and Convert to WebP or AVIF 1.4.1, at classes/file-system/file-system.php

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1	<?php
2
3	namespace ImageOptimization\Classes\File_System;
4
5	use ImageOptimization\Classes\File_System\Exceptions\File_System_Operation_Error;
6
7	if ( ! defined( 'ABSPATH' ) ) {
8	exit; // Exit if accessed directly.
9	}
10
11	require_once ABSPATH . 'wp-admin/includes/file.php';
12	WP_Filesystem();
13
14	/**
15	* A wrapper class under WP_Filesystem that throws clear exceptions in case if something went wrong.
16	*/
17	class File_System {
18	/**
19	* Writes a string to a file.
20	*
21	* @param string $file Remote path to the file where to write the data.
22	* @param string $contents The data to write.
23	* @param int\|false $mode The file permissions as octal number, usually 0644.
24	*
25	* @return true
26	*
27	* @throws File_System_Operation_Error
28	*/
29	public static function put_contents( string $file, string $contents, $mode = false ): bool {
30	global $wp_filesystem;
31
32	$result = $wp_filesystem->put_contents( $file, $contents, $mode );
33
34	if ( ! $result ) {
35	throw new File_System_Operation_Error( 'Error while writing ' . $file );
36	}
37
38	return true;
39	}
40
41	/**
42	* Deletes a file or directory.
43	*
44	* @param string $file Path to the file or directory.
45	* @param bool $recursive If set to true, deletes files and folders recursively.
46	* @param string\|false $type Type of resource. 'f' for file, 'd' for directory.
47	*
48	* @return true
49	*
50	* @throws File_System_Operation_Error
51	*/
52	public static function delete( string $file, bool $recursive = false, $type = false ): bool {
53	global $wp_filesystem;
54
55	$result = $wp_filesystem->delete( $file, $recursive, $type );
56
57	if ( ! $result ) {
58	throw new File_System_Operation_Error( 'Error while deleting ' . $file );
59	}
60
61	return true;
62	}
63
64	/**
65	* @param string $source Path to the source file.
66	* @param string $destination Path to the destination file.
67	* @param bool $overwrite Whether to overwrite the destination file if it exists.
68	*
69	* @return true
70	*
71	* @throws File_System_Operation_Error
72	*/
73	public static function move( string $source, string $destination, bool $overwrite = false ): bool {
74	global $wp_filesystem;
75
76	$result = $wp_filesystem->move( $source, $destination, $overwrite );
77
78	if ( ! $result ) {
79	throw new File_System_Operation_Error( "Error while moving {$source} to {$destination}" );
80	}
81
82	return true;
83	}
84
85	/**
86	* Copies a file.
87	*
88	* @param string $source Path to the source file.
89	* @param string $destination Path to the destination file.
90	* @param bool $overwrite Whether to overwrite the destination file if it exists.
91	* @param int\|false $mode The permissions as octal number, usually 0644 for files, 0755 for dirs.
92	*
93	* @return bool
94	*
95	* @throws File_System_Operation_Error
96	*/
97	public static function copy( string $source, string $destination, bool $overwrite = false, $mode = false ): bool {
98	global $wp_filesystem;
99
100	$result = $wp_filesystem->copy( $source, $destination, $overwrite, $mode );
101
102	if ( ! $result ) {
103	throw new File_System_Operation_Error( "Error while copying {$source} to {$destination}" );
104	}
105
106	return true;
107	}
108
109	/**
110	* Checks if a file or directory exists.
111	*
112	* @param string $path Path to file or directory.
113	*
114	* @return bool Whether $path exists or not.
115	*/
116	public static function exists( string $path ): bool {
117	global $wp_filesystem;
118
119	return $wp_filesystem->exists( $path );
120	}
121
122	/**
123	* Gets the file size (in bytes).
124	*
125	* @param ?string $path Path to file.
126	*
127	* @return int Size of the file in bytes on success, false on failure.
128	*
129	* @throws File_System_Operation_Error
130	*/
131	public static function size( ?string $path ): int {
132	global $wp_filesystem;
133
134	if ( is_null( $path ) ) {
135	throw new File_System_Operation_Error( 'Null file path provided' );
136	}
137
138	$size = $wp_filesystem->size( $path );
139
140	if ( ! $size ) {
141	throw new File_System_Operation_Error( "Unable to calculate file size for $path" );
142	}
143
144	return $size;
145	}
146	}
147