cartflows / classes / batch-process / helpers / class-cartflows-importer-image.php

class-cartflows-importer-image.php in CartFlows – Funnel Builder & Checkout Plugin for WooCommerce 1.1.1, at classes/batch-process/helpers/class-cartflows-importer-image.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_Import_Image::get_instance()->import( $image );
13	*
14	* @package CartFlows
15	*
16	* @since 1.1.1
17	*/
18
19	if ( ! class_exists( 'CartFlows_Import_Image' ) ) :
20
21	/**
22	* CartFlows Importer
23	*
24	* @since 1.1.1
25	*/
26	class CartFlows_Import_Image {
27
28	/**
29	* Instance
30	*
31	* @since 1.1.1
32	* @var object Class object.
33	* @access private
34	*/
35	private static $instance;
36
37	/**
38	* Images IDs
39	*
40	* @var array The Array of already image IDs.
41	* @since 1.1.1
42	*/
43	private $already_imported_ids = array();
44
45	/**
46	* Initiator
47	*
48	* @since 1.1.1
49	* @return object initialized object of class.
50	*/
51	public static function get_instance() {
52	if ( ! isset( self::$instance ) ) {
53	self::$instance = new self;
54	}
55	return self::$instance;
56	}
57
58	/**
59	* Constructor
60	*
61	* @since 1.1.1
62	*/
63	public function __construct() {
64
65	if ( ! function_exists( 'WP_Filesystem' ) ) {
66	require_once ABSPATH . 'wp-admin/includes/file.php';
67	}
68
69	WP_Filesystem();
70	}
71
72	/**
73	* Process Image Download
74	*
75	* @since 1.1.1
76	* @param array $attachments Attachment array.
77	* @return array Attachment array.
78	*/
79	public function process( $attachments ) {
80
81	$downloaded_images = array();
82
83	foreach ( $attachments as $key => $attachment ) {
84	$downloaded_images[] = $this->import( $attachment );
85	}
86
87	return $downloaded_images;
88	}
89
90	/**
91	* Get Hash Image.
92	*
93	* @since 1.1.1
94	* @param string $attachment_url Attachment URL.
95	* @return string Hash string.
96	*/
97	private function get_hash_image( $attachment_url ) {
98	return sha1( $attachment_url );
99	}
100
101	/**
102	* Get Saved Image.
103	*
104	* @since 1.1.1
105	* @param string $attachment Attachment Data.
106	* @return string Hash string.
107	*/
108	private function get_saved_image( $attachment ) {
109	if ( apply_filters( 'cartflows_image_importer_skip_image', false, $attachment ) ) {
110
111	CartFlows_Import_Image::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
112
113	return $attachment;
114	}
115
116	global $wpdb;
117
118	// Already imported? Then return!
119	if ( isset( $this->already_imported_ids[ $attachment['id'] ] ) ) {
120
121	CartFlows_Import_Image::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
122
123	return $this->already_imported_ids[ $attachment['id'] ];
124	}
125
126	// 1. Is already imported in Batch Import Process?
127	$post_id = $wpdb->get_var(
128	$wpdb->prepare(
129	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
130	WHERE `meta_key` = \'_cartflows_image_hash\'
131	AND `meta_value` = %s
132	;',
133	$this->get_hash_image( $attachment['url'] )
134	)
135	);
136
137	// 2. Is image already imported though XML?
138	if ( empty( $post_id ) ) {
139
140	// Get file name without extension.
141	// To check it exist in attachment.
142	$filename = preg_replace( '/\\.[^.\\s]{3,4}$/', '', basename( $attachment['url'] ) );
143
144	$post_id = $wpdb->get_var(
145	$wpdb->prepare(
146	'SELECT `post_id` FROM `' . $wpdb->postmeta . '`
147	WHERE `meta_key` = \'_wp_attached_file\'
148	AND `meta_value` LIKE %s
149	;',
150	'%' . $filename . '%'
151	)
152	);
153
154	CartFlows_Import_Image::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
155	}
156
157	if ( $post_id ) {
158	$new_attachment = array(
159	'id' => $post_id,
160	'url' => wp_get_attachment_url( $post_id ),
161	);
162	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
163
164	return $new_attachment;
165	}
166
167	return false;
168	}
169
170	/**
171	* Import Image
172	*
173	* @since 1.1.1
174	* @param array $attachment Attachment array.
175	* @return array Attachment array.
176	*/
177	public function import( $attachment ) {
178
179	$saved_image = $this->get_saved_image( $attachment );
180	if ( $saved_image ) {
181	return $saved_image;
182	}
183
184	$file_content = wp_remote_retrieve_body( wp_safe_remote_get( $attachment['url'] ) );
185
186	// Empty file content?
187	if ( empty( $file_content ) ) {
188
189	CartFlows_Import_Image::log( 'Download (✕) Replace (✕) - ' . $attachment['url'] );
190	CartFlows_Import_Image::log( 'Error: Failed wp_remote_retrieve_body().' );
191
192	return $attachment;
193	}
194
195	// Extract the file name and extension from the URL.
196	$filename = basename( $attachment['url'] );
197
198	$upload = wp_upload_bits(
199	$filename,
200	null,
201	$file_content
202	);
203
204	$post = array(
205	'post_title' => $filename,
206	'guid' => $upload['url'],
207	);
208
209	$info = wp_check_filetype( $upload['file'] );
210	if ( $info ) {
211	$post['post_mime_type'] = $info['type'];
212	} else {
213	// For now just return the origin attachment.
214	return $attachment;
215	}
216
217	$post_id = wp_insert_attachment( $post, $upload['file'] );
218	wp_update_attachment_metadata(
219	$post_id,
220	wp_generate_attachment_metadata( $post_id, $upload['file'] )
221	);
222	update_post_meta( $post_id, '_cartflows_image_hash', $this->get_hash_image( $attachment['url'] ) );
223
224	$new_attachment = array(
225	'id' => $post_id,
226	'url' => $upload['url'],
227	);
228
229	CartFlows_Import_Image::log( 'Download (✓) Replace (✓) - ' . $attachment['url'] );
230
231	$this->already_imported_ids[ $attachment['id'] ] = $new_attachment;
232
233	return $new_attachment;
234	}
235
236	/**
237	* Debugging Log.
238	*
239	* @since 1.1.1
240	* @param mixed $log Log data.
241	* @return void
242	*/
243	public static function log( $log ) {
244
245	if ( ! WP_DEBUG_LOG ) {
246	return;
247	}
248
249	if ( is_array( $log ) \|\| is_object( $log ) ) {
250	error_log( print_r( $log, true ) );
251	} else {
252	error_log( $log );
253	}
254	}
255
256	}
257
258	/**
259	* Initialize class object with 'get_instance()' method
260	*/
261	CartFlows_Import_Image::get_instance();
262
263	endif;
264