File: /home/thanexcelr/www/wp-content/plugins/ml-slider/admin/slideshows/Slideshows.php
<?php
if (!defined('ABSPATH')) die('No direct access.');
/**
* Class to handle slideshows
*/
class MetaSlider_Slideshows {
/**
* Themes class
*
* @var object
*/
private $themes;
/**
* Theme instance
*
* @var object
* @see get_instance()
*/
protected static $instance = null;
/**
* Constructor
*/
public function __construct() {
if (!class_exists('MetaSlider_Themes')) {
require_once plugin_dir_path(__FILE__) . 'Themes.php';
}
$this->themes = MetaSlider_Themes::get_instance();
}
/**
* Used to access the instance
*/
public static function get_instance() {
if (null === self::$instance) self::$instance = new self();
return self::$instance;
}
/**
* Method to add a slideshow
*
* @return int
*/
public function create() {
// Duplicate settings from their recently modified slideshow, or use defaults.
$recent_slideshow = $this->get_recent_slideshow();
$latest_slideshow_id = !empty($recent_slideshow) ? $recent_slideshow['id'] : null;
$settings = new MetaSlider_Slideshow_Settings($latest_slideshow_id);
// Insert the slideshow
// TODO: Maybe have a list of 100 random words that could be slideshow titles
$slideshow_id = wp_insert_post(array(
'post_title' => __("New Slideshow", "ml-slider"),
'post_status' => 'publish',
'post_type' => 'ml-slider'
));
if (is_wp_error($slideshow_id)) {
// No translation as this wont show to the user (but will in the payload)
return new WP_Error('post_create_failed', 'A new, blank slideshow could not be created', array('status' => 409));
}
// TODO: Perhaps we create a settings page and let the user select defaults
add_post_meta($slideshow_id, 'ml-slider_settings', $settings->get_settings(), true);
// Needed for creating a relationship with slides
wp_insert_term($slideshow_id, 'ml-slider');
return $slideshow_id;
}
/**
* Method to save a slideshow
*
* @param int|string $slideshow_id - The id of the slideshow
* @param array $new_settings - The settings
*
* @return int - id of the slideshow
*/
public function save($slideshow_id, $new_settings) {
// TODO: This is old code copied over and should eventually be refactored to not require hard-coded values
$old_settings = get_post_meta($slideshow_id, 'ml-slider_settings', true);
// convert submitted checkbox values from 'on' or 'off' to boolean values
$checkboxes = apply_filters("metaslider_checkbox_settings", array('noConflict', 'fullWidth', 'hoverPause', 'links', 'reverse', 'random', 'printCss', 'printJs', 'smoothHeight', 'center', 'carouselMode', 'autoPlay', 'firstSlideFadeIn', 'responsive_thumbs'));
foreach ($checkboxes as $checkbox) {
$new_settings[$checkbox] = (isset($new_settings[$checkbox]) && 'on' == $new_settings[$checkbox]) ? 'true' : 'false';
}
$settings = array_merge((array) $old_settings, $new_settings);
update_post_meta($slideshow_id, 'ml-slider_settings', $settings);
return $slideshow_id;
}
/**
* Method to duplicate a slideshow
*
* @param int|string $slideshow_id - The id of the slideshow to duplicate
*
* @throws Exception - handled within method.
* @return int|boolean - id of the new slideshow to show, or false
*/
public function duplicate($slideshow_id) {
$new_slideshow_id = 0;
try {
$new_slideshow_id = wp_insert_post(array(
'post_title' => get_the_title($slideshow_id),
'post_status' => 'publish',
'post_type' => 'ml-slider'
), true);
if (is_wp_error($new_slideshow_id)) {
throw new Exception($new_slideshow_id->get_error_message());
}
foreach (get_post_meta($slideshow_id) as $key => $value) {
update_post_meta($new_slideshow_id, $key, maybe_unserialize($value[0]));
}
// Not used at the moment, but indicates this is a copy
update_post_meta($new_slideshow_id, 'metaslider_copy_of', $slideshow_id);
// Slides are associated to a slideshow via post terms
$term = wp_insert_term($new_slideshow_id, 'ml-slider');
// Duplicate each slide
foreach ($this->active_slide_ids($slideshow_id) as $slide_id) {
$type = get_post_meta($slide_id, 'ml-slider_type', true);
$new_slide_id = wp_insert_post(array(
'post_title' => "Slider {$new_slideshow_id} - {$type}",
'post_status' => 'publish',
'post_type' => 'ml-slide',
'post_excerpt' => get_post_field('post_excerpt', $slide_id),
'menu_order' => get_post_field('menu_order', $slide_id)
), true);
if (is_wp_error($new_slide_id)) {
throw new Exception($new_slideshow_id->get_error_message());
}
foreach (get_post_meta($slide_id) as $key => $value) {
add_post_meta($new_slide_id, $key, maybe_unserialize($value[0]));
}
wp_set_post_terms($new_slide_id, $term['term_id'], 'ml-slider', true);
}
} catch (Exception $e) {
// If there was a failure somewhere, clean up
wp_trash_post($new_slideshow_id);
$this->delete_all_slides($new_slideshow_id);
return new WP_Error('slide_duplication_failed', $e->getMessage());
}
// External modules manipulate data here
do_action('metaslider_slideshow_duplicated', $slideshow_id, $new_slideshow_id);
return $new_slideshow_id;
}
/**
* Method to delete a slideshow
*
* @param int|string $slideshow_id - The id of the slideshow to delete
*
* @return int|boolean - id of the next slideshow to show, or false
*/
public function delete($slideshow_id) {
// Send the post to trash
$id = wp_update_post(array(
'ID' => $slideshow_id,
'post_status' => 'trash'
));
$this->delete_all_slides($slideshow_id);
$recent_slideshow = $this->get_recent_slideshow();
return !empty($recent_slideshow) ? $recent_slideshow['id'] : false;
}
/**
* Method to disassociate slides from a slideshow
*
* @param int $slideshow_id - the id of the slideshow
*
* @return int
*/
public function delete_all_slides($slideshow_id) {
$args = array(
'force_no_custom_order' => true,
'orderby' => 'menu_order',
'order' => 'ASC',
'post_type' => array('ml-slide'),
'post_status' => array('publish'),
'lang' => '', // polylang, ingore language filter
'suppress_filters' => 1, // wpml, ignore language filter
'posts_per_page' => -1,
'tax_query' => array(
array(
'taxonomy' => 'ml-slider',
'field' => 'slug',
'terms' => $slideshow_id
)
)
);
// I believe if this fails there's no real harm done
// because slides don't really need to be linked to their parent slideshow
$query = new WP_Query($args);
while ($query->have_posts()) {
$query->next_post();
wp_trash_post($query->post->ID);
}
return $slideshow_id;
}
/**
* Method to get the most recently modified slideshow
*
* @return array The id of the slideshow
*/
public function get_recent_slideshow() {
$args = array(
'force_no_custom_order' => true,
'post_type' => 'ml-slider',
'num_posts' => 1,
'post_status' => 'publish',
'suppress_filters' => 1, // wpml, ignore language filter
'orderby' => 'modified',
'order' => 'DESC'
);
$slideshow = get_posts(apply_filters('metaslider_all_meta_sliders_args', $args));
return isset($slideshow[0]) ? $this->build_slideshow_object($slideshow[0]) : array();
}
/**
* Method to get all slideshows from the database
*
* @return array
*/
public function get_all_slideshows() {
$args = array(
'post_type' => 'ml-slider',
'post_status' => array('inherit', 'publish'),
'orderby' => 'modified',
'suppress_filters' => 1, // wpml, ignore language filter
'posts_per_page' => -1
);
$slideshows = get_posts(apply_filters('metaslider_all_meta_sliders_args', $args));
return array_map(array($this, 'build_slideshow_object'), $slideshows);
}
/**
* Method to build out the slideshow object
* For now this wont include slides. They will be handled separately.
*
* @param object $slideshow - The slideshow object
* @return array
*/
public function build_slideshow_object($slideshow) {
if (empty($slideshow)) return array();
$slideshows = array(
'id' => $slideshow->ID,
'title' => $slideshow->post_title,
'created_at' => $slideshow->post_date,
'modified_at' => $slideshow->post_modified,
'modified_at_gmt' => $slideshow->post_modified_gmt,
'slides' => $this->active_slide_ids($slideshow->ID)
);
foreach (get_post_meta($slideshow->ID) as $key => $value) {
$key = str_replace('ml-slider_settings', 'settings', $key);
$key = str_replace('metaslider_slideshow_theme', 'theme', $key);
$slideshows[$key] = maybe_unserialize($value[0]);
}
return $slideshows;
}
/**
* Method to get the slide ids
*
* @param int|string $id - The id of the slideshow
* @return array - Returns an array of just the slide IDs
*/
public function active_slide_ids($id) {
$slides = get_posts(array(
'force_no_custom_order' => true,
'orderby' => 'menu_order',
'order' => 'ASC',
'post_type' => array('attachment', 'ml-slide'),
'post_status' => array('inherit', 'publish'),
'lang' => '',
'posts_per_page' => -1,
'tax_query' => array(
array(
'taxonomy' => 'ml-slider',
'field' => 'slug',
'terms' => $id
)
)
));
$slide_ids = array();
foreach ($slides as $slide) {
$type = get_post_meta($slide->ID, 'ml-slider_type', true);
$type = $type ? $type : 'image'; // Default ot image
// If this filter exists, that means the slide type is available (i.e. pro slides)
if (has_filter("metaslider_get_{$type}_slide")) {
array_push($slide_ids, $slide->ID);
}
}
return $slide_ids;
}
/**
* Method to get the latest slideshow
*/
public function recently_modified() {}
/**
* Method to get a single slideshow from the database
*
* @param string $id - The id of a slideshow
*/
public function single($id) {}
/**
* Returns the shortcode of the slideshow
*
* @param string|int $id - The id of a slideshow
* @param string|int $restrict_to - page to limit the slideshow to
* @param string|null $theme_id - load a theme, defaults to the current theme
*/
public function shortcode($id = null, $restrict_to = null, $theme_id = null) {
// if no id is given, try to find the first available slideshow
if (is_null($id)) {
$the_query = get_posts(array('orderby' => 'rand', 'posts_per_page' => '1'));
$id = isset($the_query[0]) ? $the_query[0]->ID : $id;
}
return "[metaslider id='{$id}' restrict_to='{$restrict_to}' theme='{$theme_id}']";
}
/**
* Return the preview
*
* @param int|string $slideshow_id The id of the current slideshow
* @param string $theme_id The folder name of the theme
*
* @return string|WP_Error whether the file was included, or error class
*/
public function preview($slideshow_id, $theme_id = null) {
if (!class_exists('MetaSlider_Slideshow_Settings')) {
require_once plugin_dir_path(__FILE__) . 'Settings.php';
}
$settings = new MetaSlider_Slideshow_Settings($slideshow_id);
try {
ob_start();
// Remove the admin bar
remove_action('wp_footer', 'wp_admin_bar_render', 1000);
// Load in theme if set. Note that the shortcode below is set to 'none'
$this->themes->load_theme($slideshow_id, $theme_id); ?>
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
<?php ob_start(); ?>
body, html {
overflow: auto;
height:100%;
margin:0;
padding:0;
box-sizing: border-box;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
font-size: 14px;
}
body {
padding: 60px 40px 40px;
}
#preview-container {
min-height: 100%;
max-width: <?php echo $settings->get_single('width'); ?>px;
margin: 0 auto;
display: -webkit-box;
display: -ms-flexbox;
display: flex;
-webkit-box-align: center;
-ms-flex-align: center;
align-items: center;
-webkit-box-pack: center;
-ms-flex-pack: center;
justify-content: center;
}
#preview-inner {
width: 100%;
height: 100%;
}
.metaslider {
margin: 0 auto;
}
<?php echo apply_filters('metaslider_preview_styles', ob_get_clean()); ?>
</style>
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">
</head>
<body>
<div id="preview-container">
<div id="preview-inner">
<?php echo do_shortcode($this->shortcode(absint($slideshow_id), null, 'none')); ?>
</div>
</div>
<?php wp_footer(); ?>
</body>
</html>
<?php return preg_replace('/\s+/S', " ", ob_get_clean());
} catch (Exception $e) {
ob_clean();
return new WP_Error('preview_failed', $e->getMessage());
}
}
}