code-snippets / php / admin-menus / class-import-menu.php

class-import-menu.php in Code Snippets 3.0.0, at php/admin-menus/class-import-menu.php

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1	<?php
2
3	namespace Code_Snippets;
4
5	/**
6	* This class handles the import admin menu.
7	*
8	* @since 2.4.0
9	* @package Code_Snippets
10	*/
11	class Import_Menu extends Admin_Menu {
12
13	/**
14	* Class constructor
15	*/
16	public function __construct() {
17	parent::__construct( 'import',
18	_x( 'Import', 'menu label', 'code-snippets' ),
19	__( 'Import Snippets', 'code-snippets' )
20	);
21	}
22
23	/**
24	* Register action and filter hooks
25	*/
26	public function run() {
27	parent::run();
28	add_action( 'admin_init', array( $this, 'register_importer' ) );
29	add_action( 'load-importer-code-snippets', array( $this, 'load' ) );
30	}
31
32	/**
33	* Executed when the menu is loaded
34	*/
35	public function load() {
36	parent::load();
37
38	$contextual_help = new Contextual_Help( 'import' );
39	$contextual_help->load();
40
41	$this->process_import_files();
42	}
43
44	/**
45	* Process the uploaded import files
46	*
47	* @uses import_snippets() to process the import file
48	* @uses wp_redirect() to pass the import results to the page
49	* @uses add_query_arg() to append the results to the current URI
50	*/
51	private function process_import_files() {
52
53	/* Ensure the import file exists */
54	if ( ! isset(
55	$_FILES['code_snippets_import_files']['name'],
56	$_FILES['code_snippets_import_files']['type'],
57	$_FILES['code_snippets_import_files']['tmp_name']
58	) ) {
59	return;
60	}
61
62	check_admin_referer( 'import_code_snippets_file' );
63
64	$count = 0;
65	$network = is_network_admin();
66	$error = false;
67
68	$upload_files = array_map( 'sanitize_text_field', wp_unslash( $_FILES['code_snippets_import_files']['tmp_name'] ) );
69	$upload_filenames = array_map( 'sanitize_text_field', wp_unslash( $_FILES['code_snippets_import_files']['name'] ) );
70	$upload_mime_types = array_map( 'sanitize_mime_type', wp_unslash( $_FILES['code_snippets_import_files']['type'] ) );
71
72	$dup_action = isset( $_POST['duplicate_action'] ) ? sanitize_key( $_POST['duplicate_action'] ) : 'ignore';
73
74	/* Loop through the uploaded files and import the snippets */
75
76	foreach ( $upload_files as $i => $import_file ) {
77	$ext = pathinfo( $upload_filenames[ $i ] );
78	$ext = $ext['extension'];
79	$mime_type = $upload_mime_types[ $i ];
80
81	$import = new Import( $import_file, $network, $dup_action );
82
83	if ( 'json' === $ext \|\| 'application/json' === $mime_type ) {
84	$result = $import->import_json();
85	} elseif ( 'xml' === $ext \|\| 'text/xml' === $mime_type ) {
86	$result = $import->import_xml();
87	} else {
88	$result = false;
89	}
90
91	if ( false === $result ) {
92	$error = true;
93	} else {
94	$count += count( $result );
95	}
96	}
97
98	/* Send the amount of imported snippets to the page */
99	$url = add_query_arg( $error ? array( 'error' => true ) : array( 'imported' => $count ) );
100	wp_redirect( esc_url_raw( $url ) );
101	exit;
102	}
103
104	/**
105	* Add the importer to the Tools > Import menu
106	*/
107	public function register_importer() {
108
109	/* Only register the importer if the current user can manage snippets */
110	if ( ! defined( 'WP_LOAD_IMPORTERS' ) \|\| ! code_snippets()->current_user_can() ) {
111	return;
112	}
113
114	/* Register the Code Snippets importer with WordPress */
115	register_importer(
116	'code-snippets',
117	__( 'Code Snippets', 'code-snippets' ),
118	__( 'Import snippets from a code snippets export file', 'code-snippets' ),
119	array( $this, 'render' )
120	);
121	}
122
123	/**
124	* Print the status and error messages
125	*/
126	protected function print_messages() {
127
128	if ( ! empty( $_REQUEST['error'] ) ) {
129	echo '<div id="message" class="error fade"><p>';
130	esc_html_e( 'An error occurred when processing the import files.', 'code-snippets' );
131	echo '</p></div>';
132	}
133
134	if ( ! empty( $_REQUEST['imported'] ) && intval( $_REQUEST['imported'] ) >= 0 ) {
135	echo '<div id="message" class="updated fade"><p>';
136
137	$imported = intval( $_REQUEST['imported'] );
138
139	if ( 0 === $imported ) {
140	esc_html_e( 'No snippets were imported.', 'code-snippets' );
141
142	} else {
143	/* translators: 1: amount of snippets imported, 2: link to Snippets menu */
144	$text = _n(
145	'Successfully imported <strong>%1$d</strong> snippet. <a href="%2$s">Have fun!</a>',
146	'Successfully imported <strong>%1$d</strong> snippets. <a href="%2$s">Have fun!</a>',
147	$imported,
148	'code-snippets'
149	);
150
151	printf( wp_kses_post( $text ), esc_html( $imported ), esc_url( code_snippets()->get_menu_url( 'manage' ) ) );
152	}
153
154	echo '</p></div>';
155	}
156	}
157
158	/**
159	* Empty implementation for enqueue_assets.
160	*
161	* @return void
162	*/
163	public function enqueue_assets() {
164	// none required.
165	}
166	}
167