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

class-cartflows-importer-core.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 1.1.0, 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	if ( apply_filters( 'cartflows_image_importer_skip_image', false, $attachment ) ) {
109
110	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
111
112	return $attachment;
113	}
114
115	global $wpdb;
116
117	// Already imported? Then return!
118	if ( isset( $this->already_imported_ids[ $attachment['id'] ] ) ) {
119
120	self::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
121
122	return $this->already_imported_ids[ $attachment['id'] ];
123	}
124
125	// 1. Is already imported in Batch Import Process?
126	$post_id = $wpdb->get_var(
127	$wpdb->prepare(
128	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
129	WHERE `meta_key` = \'_cartflows_image_hash\'
130	AND `meta_value` = %s
131	;',
132	$this->get_hash_image( $attachment['url'] )
133	)
134	);
135
136	// 2. Is image already imported though XML?
137	if ( empty( $post_id ) ) {
138
139	// Get file name without extension.
140	// To check it exist in attachment.
141	$filename = preg_replace( '/\\.[^.\\s]{3,4}$/', '', basename( $attachment['url'] ) );
142
143	$post_id = $wpdb->get_var(
144	$wpdb->prepare(
145	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
146	WHERE `meta_key` = \'_wp_attached_file\'
147	AND `meta_value` LIKE %s
148	;',
149	'%' . $filename . '%'
150	)
151	);
152
153	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
154	}
155
156	if ( $post_id ) {
157
158	$new_imgage_url = wp_get_attachment_url( $post_id );
159	$new_attachment = array(
160	'id' => $post_id,
161	'url' => $new_imgage_url,
162	);
163	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
164
165	self::log( 'Download (✓) Replace (✓) - ' . $new_imgage_url );
166	return $new_attachment;
167	}
168
169	return false;
170	}
171
172	/**
173	* Import Image
174	*
175	* @since 1.0.0
176	* @param array $attachment Attachment array.
177	* @return array Attachment array.
178	*/
179	public function import( $attachment ) {
180
181	$saved_image = $this->get_saved_image( $attachment );
182	if ( $saved_image ) {
183	return $saved_image;
184	}
185
186	$args = array(
187	'timeout' => 300,
188	);
189
190	$file_content = wp_remote_retrieve_body( wp_safe_remote_get( $attachment['url'], $args ) );
191
192	// Empty file content?
193	if ( empty( $file_content ) ) {
194
195	self::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
196	self::log( 'Error: Failed wp_remote_retrieve_body().' );
197
198	return $attachment;
199	}
200
201	// Extract the file name and extension from the URL.
202	$filename = basename( $attachment['url'] );
203
204	$upload = wp_upload_bits(
205	$filename,
206	null,
207	$file_content
208	);
209
210	$post = array(
211	'post_title' => $filename,
212	'guid' => $upload['url'],
213	);
214
215	$info = wp_check_filetype( $upload['file'] );
216	if ( $info ) {
217	$post['post_mime_type'] = $info['type'];
218	} else {
219	// For now just return the origin attachment.
220	return $attachment;
221	}
222
223	$post_id = wp_insert_attachment( $post, $upload['file'] );
224	wp_update_attachment_metadata(
225	$post_id,
226	wp_generate_attachment_metadata( $post_id, $upload['file'] )
227	);
228	update_post_meta( $post_id, '_cartflows_image_hash', $this->get_hash_image( $attachment['url'] ) );
229
230	$new_attachment = array(
231	'id' => $post_id,
232	'url' => $upload['url'],
233	);
234
235	self::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
236
237	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
238
239	return $new_attachment;
240	}
241
242	/**
243	* Debugging Log.
244	*
245	* @since 1.0.0
246	* @param mixed $log Log data.
247	* @return void
248	*/
249	public static function log( $log ) {
250
251	if ( ! WP_DEBUG_LOG ) {
252	return;
253	}
254
255	if ( is_array( $log ) \|\| is_object( $log ) ) {
256	wcf()->logger->import_log( print_r( $log, true ) );
257	} else {
258	wcf()->logger->import_log( $log );
259	}
260	}
261
262	}
263
264	/**
265	* Initialize class object with 'get_instance()' method
266	*/
267	CartFlows_Importer_Core::get_instance();
268
269	endif;
270