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<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'EPL_Admin_Images' ) ) :
class EPL_Admin_Images {
public $config;
private static $registered_extensions = [];
private static $save_hook_added = false;
public function __construct( $config = [] ) {
$defaults = [
'extension' => 'slider',
'prefix' => 'epl_slider_',
'title' => __( 'Slider Images', 'easy-property-listings' ),
'button_label' => __( 'Add to Slider', 'easy-property-listings' ),
'order_meta_key' => 'epl_slides_order'
];
$this->config = wp_parse_args( $config, $defaults );
self::$registered_extensions[$this->get_config('extension')] = $this;
if ( !self::$save_hook_added ) {
add_action( 'save_post', [__CLASS__, 'save_all_extensions_data'] );
self::$save_hook_added = true;
}
$this->add_individual_hooks();
}
public function get_config( $key = '' ) {
if( empty( $key ) ) {
return $this->config;
}
if( isset( $this->config[ $key ] ) ) {
return $this->config[ $key ];
}
return false;
}
private function add_individual_hooks() {
add_action('add_meta_boxes', [$this, 'add_meta_box' ] );
add_action('wp_ajax_epl_images_save_order', [$this, 'save_image_order' ] );
add_action('wp_ajax_epl_images_unattach', [$this, 'unattach_image' ] );
add_action( 'add_attachment' , [$this, 'update_image_order_on_new_attachment' ] );
}
public static function save_all_extensions_data( $post_id ) {
if ( empty( $post_id ) || !is_numeric( $post_id ) ) {
return;
}
$post = get_post( $post_id );
if ( !is_epl_post( $post->post_type ) ) {
return;
}
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
if ( !current_user_can( 'edit_post', $post_id ) ) {
return;
}
foreach ( self::$registered_extensions as $extension ) {
$extension->process_save_data( $post_id );
}
}
public function process_save_data( $post_id ) {
$prefix = $this->get_config('prefix');
$enabled_thumbs_key = $prefix . 'enabled_thumbs';
if ( !isset( $_POST[$enabled_thumbs_key] ) ) {
return;
}
update_post_meta( $post_id, $prefix . 'selection_made', true );
if ( !empty( $_POST[$enabled_thumbs_key] ) ) {
$enabled_thumbs = array_map( 'absint', $_POST[$enabled_thumbs_key] );
$enabled_thumbs = array_filter( $enabled_thumbs );
update_post_meta( $post_id, $enabled_thumbs_key, $enabled_thumbs );
} else {
update_post_meta( $post_id, $enabled_thumbs_key, array() );
}
}
public function is_external_link( $url ) {
$s = get_option( 'siteurl' );
if ( $s != substr( $url, 0, strlen( $s ) ) ) {
return true;
}
return false;
}
function add_meta_box() {
add_meta_box(
'epl_images_management_'.$this->get_config('extension'),
$this->get_config('title'),
[ $this, 'epl_images_management_callback' ],
epl_all_post_types()
);
}
function get_parent_images( $post ) {
$args = array(
'post_parent' => $post->ID,
'post_type' => 'attachment',
'numberposts' => -1,
'post_mime_type' => 'image',
'orderby' => 'ID',
'fields' => 'ids'
);
return get_posts( $args );
}
function epl_images_management_callback($post) {
$parent_attachments = $this->get_parent_images( $post );
$args = array(
'post_type' => 'attachment',
'numberposts' => -1,
'post_mime_type' => 'image',
'orderby' => 'post__in',
'post__in' => []
);
$attachments = [];
$initial = false;
$extension = $this->get_config('extension');
$prefix = $this->get_config('prefix');
$enabled = get_post_meta( $post->ID, $prefix.'enabled_thumbs', true );
$selection_made = get_post_meta($post->ID, $prefix.'selection_made', true);
if ( empty( $enabled ) && !$selection_made ) {
$initial = true;
$enabled = (array) $enabled;
}
$enabled = array_filter( (array) $enabled );
$enabled = array_map( 'intval', $enabled );
$custom_images = array_diff($enabled, $parent_attachments);
$all_images = array_merge( $parent_attachments, $custom_images );
$post_not_in = [];
$floorplan = get_post_meta( $post->ID, 'property_floorplan', true );
$floorplan_id = '';
if( !$this->is_external_link( $floorplan ) ) {
$floorplan_id = attachment_url_to_postid( $floorplan );
if( !empty( $floorplan_id ) ) {
$post_not_in[] = $floorplan_id;
}
}
$floorplan_2 = get_post_meta( $post->ID, 'property_floorplan_2', true );
$floorplan_id_2 = '';
if( !$this->is_external_link( $floorplan_2 ) ) {
$floorplan_id_2 = attachment_url_to_postid( $floorplan_2 );
if( !empty( $floorplan_id_2 ) ) {
$post_not_in[] = $floorplan_id_2;
}
}
if( !empty( $all_images ) ) {
$args['post__in'] = $all_images;
}
if( !empty( $post_not_in ) ){
foreach( $post_not_in as $current_not_in ) {
if( !empty( $args['post__in'] ) ) {
if ( ( $key = array_search( $current_not_in, $args['post__in'] ) ) !== false ) {
unset( $args['post__in'][$key] );
}
}
}
$args['post__not_in'] = $post_not_in;
}
if ( get_post_meta( $post->ID, $this->get_config('order_meta_key'), true ) !== '' ) {
$ordered_posts = get_post_meta( $post->ID, $this->get_config('order_meta_key'), true );
if( !is_array( $ordered_posts ) ) {
$ordered_posts = explode( ',', $ordered_posts );
}
$unordered_posts = array_diff($all_images, $ordered_posts);
$all_images = array_merge( $ordered_posts, $unordered_posts );
$args['post__in'] = $all_images;
$args['orderby'] = 'post__in';
}
if ( has_post_thumbnail( $post->ID ) ) {
$featured_image = get_post_thumbnail_id( $post->ID );
if ( ! empty( $args['post__in'] ) ) {
if ( ( $key = array_search( $featured_image, $args['post__in'], true ) ) !== false ) {
unset( $args['post__in'][ $key ] );
}
} else {
$args['exclude'] = $featured_image;
}
if( !empty( $args['post__in']) ) {
$attachments = get_posts( $args );
}
} else {
if( !empty( $args['post__in']) ) {
$attachments = get_posts( $args );
}
}
if ( empty( $attachments ) ) {
unset( $args['post__in'] );
$args['orderby'] = 'ID';
$args['post_parent'] = $post->ID;
}
$attachments = get_posts( $args ); ?>
<div class="epl-listing-attachments-list-wrap">
<?php if ( $attachments ) : ?>
<ul
data-prefix="<?php echo esc_attr( $prefix ); ?>"
data-extension="<?php echo esc_attr( $extension ); ?>"
id="epl-<?php echo esc_attr( $extension ); ?>-post-attachments"
class="epl-<?php echo esc_attr( $extension ); ?>-post-attachments epl-listing-attachments-list"
>
<input type="hidden" name="<?php echo esc_attr( $prefix ); ?>enabled_thumbs[]" value="" />
<?php foreach ( $attachments as $attachment ) : ?>
<?php
$checked = $initial ? 'checked=checked' : '';
if ( ! empty( $enabled ) ) {
$checked = in_array( $attachment->ID, $enabled ) ? 'checked=checked' : '';
}
$thumb_size = epl_get_option( $prefix . 'admin_image_size', 'admin-list-thumb' );
$thumb = wp_get_attachment_image_src( $attachment->ID, $thumb_size ); ?>
<li data-id="<?php echo esc_attr( $attachment->ID ); ?>" class="ui-state-default epl-listing-attachments-list-item <?php echo esc_attr( $prefix ); ?>admin_thumb">
<span class="epl-slider-unattach">
<div class="epl-radio-switch">
<input
id="epl-<?php echo esc_attr( $extension ); ?>-cmn-toggle-<?php echo esc_attr( $attachment->ID ); ?>"
class="epl-radio-switch-input epl-radio-switch-input--yes-no"
name="<?php echo esc_attr( $prefix ); ?>enabled_thumbs[]"
<?php echo esc_attr( $checked ); ?>
value="<?php echo esc_attr( $attachment->ID ); ?>"
type="checkbox"
/>
<label for="epl-<?php echo esc_attr( $extension ); ?>-cmn-toggle-<?php echo esc_attr( $attachment->ID ); ?>"></label>
</div>
</span>
<div class="epl-<?php echo esc_attr( $extension ); ?>-slide-tools epl-listing-attachment-tools">
<a target="_blank" href="<?php echo esc_url( admin_url( 'post.php?post=' . $attachment->ID . '&action=edit' ) ); ?>">
<span class="epl-<?php echo esc_attr( $extension ); ?>-edit-attach dashicons dashicons-edit"></span>
</a>
<a href="#" class="epl-slider-<?php echo esc_attr( $extension ); ?>-delete-attach epl-listing-attachment-tools-delete-attach">
<span class="dashicons dashicons-trash"></span>
</a>
</div>
<img src="<?php echo esc_url( $thumb[0] ); ?>" alt="<?php esc_attr_e( 'Attachment Thumbnail', 'easy-property-listings' ); ?>" />
</li>
<?php endforeach; ?>
</ul>
<div class="epl-clearfix"></div>
<?php echo $this->extension_messages( $post ); ?>
<?php else : ?>
<div class="update-nag">
<?php esc_html_e( 'Add images to the slider using add media button.', 'easy-property-listings' ); ?>
</div>
<ul id="epl-<?php echo esc_attr( $extension ); ?>-post-attachments" class="epl-<?php echo esc_attr( $extension ); ?>-post-attachments"></ul>
<div class="epl-clearfix"></div>
<?php endif; ?>
<div class="update-nag">
<?php esc_html_e( 'Drag to reorder images and use the switch to remove images from the slider. Update the post to save changes.', 'easy-property-listings' ); ?>
</div>
<input
type="button"
class="btn button epl-<?php echo esc_attr( $extension ); ?>-upload-btn epl-listing-images-upload-btn"
name="<?php echo esc_attr( $prefix ); ?>upload_button"
value="<?php echo esc_attr( $this->get_config( 'button_label' ) ); ?>"
/>
</div> <?php
}
public function extension_messages( $post ) {
ob_start();
do_action( 'epl_image_extension_messages', $this->config, $post );
return ob_get_clean();
}
function save_image_order() {
if ( is_admin() ) {
if ( isset( $_POST['id'] ) && intval( $_POST['id'] ) > 0 ) {
$order = sanitize_text_field( $_POST['order'] );
$extension = isset( $_POST['extension'] ) ? sanitize_text_field( $_POST['extension'] ) : 'slider';
$order_meta_key = 'epl_slides_order';
if ( isset( self::$registered_extensions[$extension] ) ) {
$order_meta_key = self::$registered_extensions[$extension]->get_config('order_meta_key');
} else {
$order_meta_key = 'epl_' . $extension . '_order';
}
update_post_meta( intval( $_POST['id'] ), $order_meta_key, esc_attr( $order ) );
}
}
die( $order );
}
function unattach_image() {
$prefix = wp_unslash( $_POST['prefix'] );
$prefix = !empty( $prefix ) ? sanitize_text_field( $prefix ) : $this->get_config('prefix');
$image_id = isset( $_POST['img_id'] ) ? absint( $_POST['img_id'] ) : 0;
$post_id = isset( $_POST['id'] ) ? absint( $_POST['id'] ) : 0;
if ( is_admin() && !empty( $image_id ) && !empty( $post_id ) ) {
$parent_attachments = $this->get_parent_images( get_post( $post_id ) );
$is_custom_image = !in_array( $image_id, $parent_attachments );
if ( !$is_custom_image ) {
wp_update_post(
array(
'ID' => $image_id,
'post_parent' => 0,
)
);
}
$enabled = get_post_meta( $post_id, $prefix.'enabled_thumbs', true );
if ( ! empty( $enabled ) ) {
$key = array_search( $image_id, $enabled );
if ( $key !== false ) {
unset( $enabled[ $key ] );
$enabled = array_values( $enabled );
update_post_meta( $post_id, $prefix.'enabled_thumbs', $enabled );
}
}
$extension = isset( $_POST['extension'] ) ? sanitize_text_field( $_POST['extension'] ) : 'slider';
$order_meta_key = 'epl_slides_order';
if ( isset( self::$registered_extensions[$extension] ) ) {
$order_meta_key = self::$registered_extensions[$extension]->get_config('order_meta_key');
} else {
$order_meta_key = 'epl_' . $extension . '_order';
}
$order = get_post_meta( $post_id, $order_meta_key, true );
if ( ! empty( $order ) ) {
$order_array = is_array( $order ) ? $order : explode( ',', $order );
$key = array_search( $image_id, $order_array );
if ( $key !== false ) {
unset( $order_array[ $key ] );
$order_array = array_values( $order_array );
update_post_meta( $post_id, $order_meta_key, implode( ',', $order_array ) );
}
}
}
die;
}
function update_image_order_on_new_attachment( $post_ID ) {
$post = get_post( $post_ID );
$parent = get_post( $post->post_parent );
if( is_null( $parent ) ) {
return;
}
foreach ( self::$registered_extensions as $extension ) {
$order_meta_key = $extension->get_config('order_meta_key');
$order = get_post_meta( $parent->ID, $order_meta_key, true );
if ( !empty( $order ) ) {
update_post_meta( $parent->ID, $order_meta_key, $order . ',' . $post_ID );
}
}
}
}
endif;
