cartflows / classes / class-cartflows-importer-core.php

class-cartflows-importer-core.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 1.1.11, at classes/class-cartflows-importer-core.php

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1	<?php
2	/**
3	* Image Importer
4	*
5	* => How to use?
6	*
7	* $image = array(
8	* 'url' => '<image-url>',
9	* 'id' => '<image-id>',
10	* );
11	*
12	* $downloaded_image = CartFlows_Importer_Core::get_instance()->import( $image );
13	*
14	* @package CartFlows
15	* @since 1.0.0
16	*/
17
18	if ( ! class_exists( 'CartFlows_Importer_Core' ) ) :
19
20	/**
21	* CartFlows Importer
22	*
23	* @since 1.0.0
24	*/
25	class CartFlows_Importer_Core {
26
27	/**
28	* Instance
29	*
30	* @since 1.0.0
31	* @var object Class object.
32	* @access private
33	*/
34	private static $instance;
35
36	/**
37	* Images IDs
38	*
39	* @var array The Array of already image IDs.
40	* @since 1.0.0
41	*/
42	private $already_imported_ids = array();
43
44	/**
45	* Initiator
46	*
47	* @since 1.0.0
48	* @return object initialized object of class.
49	*/
50	public static function get_instance() {
51	if ( ! isset( self::$instance ) ) {
52	self::$instance = new self;
53	}
54	return self::$instance;
55	}
56
57	/**
58	* Constructor
59	*
60	* @since 1.0.0
61	*/
62	public function __construct() {
63
64	if ( ! function_exists( 'WP_Filesystem' ) ) {
65	require_once ABSPATH . 'wp-admin/includes/file.php';
66	}
67
68	WP_Filesystem();
69	}
70
71	/**
72	* Process Image Download
73	*
74	* @since 1.0.0
75	* @param array $attachments Attachment array.
76	* @return array Attachment array.
77	*/
78	public function process( $attachments ) {
79
80	$downloaded_images = array();
81
82	foreach ( $attachments as $key => $attachment ) {
83	$downloaded_images[] = $this->import( $attachment );
84	}
85
86	return $downloaded_images;
87	}
88
89	/**
90	* Get Hash Image.
91	*
92	* @since 1.0.0
93	* @param string $attachment_url Attachment URL.
94	* @return string Hash string.
95	*/
96	private function get_hash_image( $attachment_url ) {
97	return sha1( $attachment_url );
98	}
99
100	/**
101	* Get Saved Image.
102	*
103	* @since 1.0.0
104	* @param string $attachment Attachment Data.
105	* @return string Hash string.
106	*/
107	private function get_saved_image( $attachment ) {
108
109	wcf()->logger->import_log( 'importer-core.php File' );
110
111	if ( apply_filters( 'cartflows_image_importer_skip_image', false, $attachment ) ) {
112
113	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
114
115	return $attachment;
116	}
117
118	global $wpdb;
119
120	// Already imported? Then return!
121	if ( isset( $this->already_imported_ids[ $attachment['id'] ] ) ) {
122
123	self::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
124
125	return $this->already_imported_ids[ $attachment['id'] ];
126	}
127
128	// 1. Is already imported in Batch Import Process?
129	$post_id = $wpdb->get_var(
130	$wpdb->prepare(
131	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
132	WHERE `meta_key` = \'_cartflows_image_hash\'
133	AND `meta_value` = %s
134	;',
135	$this->get_hash_image( $attachment['url'] )
136	)
137	);
138
139	// 2. Is image already imported though XML?
140	if ( empty( $post_id ) ) {
141
142	// Get file name without extension.
143	// To check it exist in attachment.
144	$filename = preg_replace( '/\\.[^.\\s]{3,4}$/', '', basename( $attachment['url'] ) );
145
146	$post_id = $wpdb->get_var(
147	$wpdb->prepare(
148	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
149	WHERE `meta_key` = \'_wp_attached_file\'
150	AND `meta_value` LIKE %s
151	;',
152	'%' . $filename . '%'
153	)
154	);
155
156	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
157	}
158
159	if ( $post_id ) {
160
161	$new_imgage_url = wp_get_attachment_url( $post_id );
162	$new_attachment = array(
163	'id' => $post_id,
164	'url' => $new_imgage_url,
165	);
166	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
167
168	self::log( 'Download (✓) Replace (✓) - ' . $new_imgage_url );
169	return $new_attachment;
170	}
171
172	return false;
173	}
174
175	/**
176	* Import Image
177	*
178	* @since 1.0.0
179	* @param array $attachment Attachment array.
180	* @return array Attachment array.
181	*/
182	public function import( $attachment ) {
183
184	$saved_image = $this->get_saved_image( $attachment );
185	if ( $saved_image ) {
186	return $saved_image;
187	}
188
189	$args = array(
190	'timeout' => 300,
191	);
192
193	$file_content = wp_remote_retrieve_body( wp_safe_remote_get( $attachment['url'], $args ) );
194
195	// Empty file content?
196	if ( empty( $file_content ) ) {
197
198	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
199	self::log( 'Error: Failed wp_remote_retrieve_body().' );
200
201	return $attachment;
202	}
203
204	// Extract the file name and extension from the URL.
205	$filename = basename( $attachment['url'] );
206
207	$upload = wp_upload_bits(
208	$filename,
209	null,
210	$file_content
211	);
212
213	$post = array(
214	'post_title' => $filename,
215	'guid' => $upload['url'],
216	);
217
218	$info = wp_check_filetype( $upload['file'] );
219	if ( $info ) {
220	$post['post_mime_type'] = $info['type'];
221	} else {
222	// For now just return the origin attachment.
223	return $attachment;
224	}
225
226	$post_id = wp_insert_attachment( $post, $upload['file'] );
227	wp_update_attachment_metadata(
228	$post_id,
229	wp_generate_attachment_metadata( $post_id, $upload['file'] )
230	);
231	update_post_meta( $post_id, '_cartflows_image_hash', $this->get_hash_image( $attachment['url'] ) );
232
233	$new_attachment = array(
234	'id' => $post_id,
235	'url' => $upload['url'],
236	);
237
238	self::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
239
240	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
241
242	return $new_attachment;
243	}
244
245	/**
246	* Debugging Log.
247	*
248	* @since 1.0.0
249	* @param mixed $log Log data.
250	* @return void
251	*/
252	public static function log( $log ) {
253
254	if ( ! WP_DEBUG_LOG ) {
255	return;
256	}
257
258	if ( is_array( $log ) \|\| is_object( $log ) ) {
259	wcf()->logger->import_log( print_r( $log, true ) );
260	} else {
261	wcf()->logger->import_log( $log );
262	}
263	}
264
265	}
266
267	/**
268	* Initialize class object with 'get_instance()' method
269	*/
270	CartFlows_Importer_Core::get_instance();
271
272	endif;
273