maxgalleria / maxgalleria-nextgen.php

maxgalleria-nextgen.php in MaxGalleria 2.6, at maxgalleria-nextgen.php

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1	<?php
2	class MaxGalleriaNextGen {
3	public $nonce_nextgen_importer = array(
4	'action' => 'nextgen_importer',
5	'name' => 'maxgalleria_nextgen_importer'
6	);
7
8	public function __construct() {
9	// Ajax call for importing a NextGEN gallery
10	add_action('wp_ajax_import_nextgen_gallery', array($this, 'import_nextgen_gallery'));
11	add_action('wp_ajax_nopriv_import_nextgen_gallery', array($this, 'import_nextgen_gallery'));
12
13	// Ajax call for getting the import percent of a NextGEN gallery
14	add_action('wp_ajax_get_nextgen_import_percent', array($this, 'get_nextgen_import_percent'));
15	add_action('wp_ajax_nopriv_get_nextgen_import_percent', array($this, 'get_nextgen_import_percent'));
16
17	// Ajax call for resetting the import percent and count of a NextGEN gallery
18	add_action('wp_ajax_reset_nextgen_import', array($this, 'reset_nextgen_import'));
19	add_action('wp_ajax_nopriv_reset_nextgen_import', array($this, 'reset_nextgen_import'));
20	}
21
22	public function import_nextgen_gallery() {
23	global $maxgalleria;
24	$common = $maxgalleria->common;
25
26	if (isset($_POST) && check_admin_referer($this->nonce_nextgen_importer['action'], $this->nonce_nextgen_importer['name'])) {
27	$nextgen_import_count = 0;
28	$maxgalleria_gallery = null;
29
30	$nextgen_gallery_id = $_POST['nextgen_gallery_id'];
31	$nextgen_gallery = $this->get_nextgen_gallery($nextgen_gallery_id);
32	$nextgen_gallery_pics = $this->get_nextgen_gallery_pictures($nextgen_gallery_id);
33	$nextgen_gallery_pics_count = $this->get_nextgen_gallery_picture_count($nextgen_gallery_id);
34
35	do_action(MAXGALLERIA_ACTION_BEFORE_NEXTGEN_IMPORT, $nextgen_gallery, $nextgen_gallery_pics, $nextgen_gallery_pics_count);
36
37	switch ($_POST['maxgalleria_gallery_where']) {
38	case 'existing':
39	$maxgalleria_gallery = get_post($_POST['maxgalleria_gallery_id']);
40	break;
41	case 'new':
42	// First create the gallery post itself
43	$new_id = wp_insert_post(array('post_title' => stripslashes($_POST['maxgalleria_gallery_title']), 'post_type' => MAXGALLERIA_POST_TYPE));
44
45	// Then save the gallery type and set template to Image Tiles
46	$options = new MaxGalleryOptions($new_id);
47	add_post_meta($new_id, $options->type_key, 'image', true);
48	add_post_meta($new_id, $options->template_key, 'image-tiles', true);
49
50	// And finally get the full gallery post back
51	$maxgalleria_gallery = get_post($new_id);
52	break;
53	}
54
55	if (isset($maxgalleria_gallery)) {
56	// Turn number of galleries to process into chunks for progress bar
57	$chunks = ceil(100 / $nextgen_gallery_pics_count) + 1;
58	$chunk = 0;
59
60	foreach ($nextgen_gallery_pics as $picture) {
61	do_action(MAXGALLERIA_ACTION_BEFORE_NEXTGEN_IMPORT_PICTURE, $picture);
62
63	$url = trailingslashit(site_url()) . trailingslashit($nextgen_gallery->path) . $picture->filename;
64
65	// Get the contents of the picture
66	$response = wp_remote_get($url);
67	$contents = wp_remote_retrieve_body($response);
68
69	// Upload and get file data
70	$upload = wp_upload_bits(basename($url), null, $contents);
71	$guid = $upload['url'];
72	$file = $upload['file'];
73	$file_type = wp_check_filetype(basename($file), null);
74
75	// Get menu order
76	$menu_order = $common->get_next_menu_order($maxgalleria_gallery->ID);
77
78	// Create attachment
79	$attachment = array(
80	'ID' => 0,
81	'guid' => $upload['url'],
82	'post_title' => $picture->alttext != '' ? $picture->alttext : $picture->image_slug,
83	'post_excerpt' => $picture->description,
84	'post_content' => $picture->description,
85	'post_date' => '', // Ensures it gets today's date
86	'post_parent' => $maxgalleria_gallery->ID,
87	'post_mime_type' => $file_type['type'],
88	'ancestors' => array(),
89	'menu_order' => $menu_order
90	);
91
92	// Include image.php so we can call wp_generate_attachment_metadata()
93	require_once(ABSPATH . 'wp-admin/includes/image.php');
94
95	// Insert the attachment
96	$attachment_id = wp_insert_attachment($attachment, $file, $maxgalleria_gallery->ID);
97	$attachment_data = wp_generate_attachment_metadata($attachment_id, $file);
98	wp_update_attachment_metadata($attachment_id, $attachment_data);
99
100	// Save alt text in the post meta and increment counter
101	update_post_meta($attachment_id, '_wp_attachment_image_alt', $picture->alttext);
102	$nextgen_import_count++;
103
104	// Increment chunks for progress bar
105	$chunk++;
106	update_option('maxgalleria_nextgen_import_percent', $chunk * $chunks);
107
108	do_action(MAXGALLERIA_ACTION_AFTER_NEXTGEN_IMPORT_PICTURE, $picture);
109	}
110	}
111
112	do_action(MAXGALLERIA_ACTION_AFTER_NEXTGEN_IMPORT, $nextgen_gallery, $nextgen_gallery_pics, $nextgen_gallery_pics_count);
113
114	$gallery_edit_url = admin_url('post.php?post=' . $maxgalleria_gallery->ID . '&action=edit');
115	$message = sprintf(__('%sSuccessfully imported %d of %d images from NextGEN into the "%s%s%s" gallery.%s', 'maxgalleria'), '<h4>', $nextgen_import_count, $nextgen_gallery_pics_count, '<a href="' . $gallery_edit_url . '">', $maxgalleria_gallery->post_title, '</a>', '</h4>');
116	echo $message;
117	die();
118	}
119	}
120
121	public function get_nextgen_import_percent() {
122	$import_percent = get_option('maxgalleria_nextgen_import_percent');
123	$percentage = ($import_percent > 100) ? 100 : $import_percent;
124
125	echo $percentage;
126	die();
127	}
128
129	public function reset_nextgen_import() {
130	update_option('maxgalleria_nextgen_import_count', 0);
131	update_option('maxgalleria_nextgen_import_percent', 0);
132
133	// No need to echo anything for a return
134	die();
135	}
136
137	public function get_nextgen_gallery($id) {
138	global $wpdb;
139	return $wpdb->get_row($wpdb->prepare("SELECT * FROM " . $this->get_nextgen_gallery_table() . " WHERE gid = %d", $id));
140	}
141
142	public function get_nextgen_galleries() {
143	global $wpdb;
144	return $wpdb->get_results("SELECT * FROM " . $this->get_nextgen_gallery_table());
145	}
146
147	public function get_nextgen_gallery_picture_count($id) {
148	global $wpdb;
149	return $wpdb->get_var($wpdb->prepare("SELECT COUNT(*) FROM " . $this->get_nextgen_pictures_table() . " WHERE galleryid = %d", $id));
150	}
151
152	public function get_nextgen_gallery_pictures($id) {
153	global $wpdb;
154	return $wpdb->get_results($wpdb->prepare("SELECT * FROM " . $this->get_nextgen_pictures_table() . " WHERE galleryid = %d", $id));
155	}
156
157	public function get_nextgen_gallery_table() {
158	global $wpdb;
159	return $wpdb->prefix . 'ngg_gallery';
160	}
161
162	public function get_nextgen_pictures_table() {
163	global $wpdb;
164	return $wpdb->prefix . 'ngg_pictures';
165	}
166
167	public function is_nextgen_installed() {
168	$plugins = get_plugins();
169
170	foreach ($plugins as $plugin_path => $plugin) {
171	if ($plugin['Name'] == 'NextGEN Gallery' \|\| $plugin['Name'] == 'NextGEN Gallery by Photocrati') {
172	return true;
173	}
174	}
175
176	return false;
177	}
178	}
179	?>