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class-nodes.php
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class-nodes.php
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<?php
/**
* Newspack Hub Nodes post type handling.
*
* @package Newspack
*/
namespace Newspack_Network\Hub;
use Newspack_Network\Crypto;
use Newspack_Network\Admin as Network_Admin;
/**
* Class to handle Nodes post type
*/
class Nodes {
/**
* POST_TYPE_SLUG for Newsletter Lists.
*/
const POST_TYPE_SLUG = 'newspack_hub_nodes';
/**
* Initialize this class and register hooks
*
* @return void
*/
public static function init() {
add_action( 'init', [ __CLASS__, 'register_post_type' ] );
add_action( 'save_post', [ __CLASS__, 'save_post' ] );
}
/**
* Get a node by its URL
*
* @param string $url The URL to search for.
* @return ?Node
*/
public static function get_node_by_url( $url ) {
$url = untrailingslashit( $url );
$nodes = get_posts(
[
'post_type' => self::POST_TYPE_SLUG,
'posts_per_page' => 1,
'meta_query' => [ // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_meta_query
[
'key' => 'node-url',
'value' => $url,
],
],
]
);
if ( ! empty( $nodes ) ) {
return new Node( $nodes[0] );
}
}
/**
* Get all nodes
*
* @return ?Node
*/
public static function get_all_nodes() {
$nodes = get_posts(
[
'post_type' => self::POST_TYPE_SLUG,
'posts_per_page' => -1,
'fields' => 'ids',
]
);
$result = [];
foreach ( $nodes as $id ) {
$result[] = new Node( $id );
}
return $result;
}
/**
* Disable Rich text editing from the editor
*
* @param array $settings The settings to be filtered.
* @param string $editor_id The editor identifier.
* @return array
*/
public static function filter_editor_settings( $settings, $editor_id ) {
if ( 'content' === $editor_id && get_current_screen()->post_type === self::POST_TYPE_SLUG ) {
$settings['tinymce'] = false;
$settings['quicktags'] = false;
$settings['media_buttons'] = false;
}
return $settings;
}
/**
* Register the custom post type
*
* @return void
*/
public static function register_post_type() {
$labels = array(
'name' => _x( 'Nodes', 'Post Type General Name', 'newspack-network' ),
'singular_name' => _x( 'Node', 'Post Type Singular Name', 'newspack-network' ),
'menu_name' => __( 'Nodes', 'newspack-network' ),
'name_admin_bar' => __( 'Nodes', 'newspack-network' ),
'archives' => __( 'Nodes', 'newspack-network' ),
'attributes' => __( 'Nodes', 'newspack-network' ),
'parent_item_colon' => __( 'Parent Node', 'newspack-network' ),
'all_items' => __( 'Nodes', 'newspack-network' ),
'add_new_item' => __( 'Add new Node', 'newspack-network' ),
'add_new' => __( 'Add New', 'newspack-network' ),
'new_item' => __( 'New Node', 'newspack-network' ),
'edit_item' => __( 'Edit Node', 'newspack-network' ),
'update_item' => __( 'Update Node', 'newspack-network' ),
'view_item' => __( 'View Node', 'newspack-network' ),
'view_items' => __( 'View Nodes', 'newspack-network' ),
'search_items' => __( 'Search Node', 'newspack-network' ),
'not_found' => __( 'Not found', 'newspack-network' ),
'not_found_in_trash' => __( 'Not found in Trash', 'newspack-network' ),
'featured_image' => __( 'Featured Image', 'newspack-network' ),
'set_featured_image' => __( 'Set featured image', 'newspack-network' ),
'remove_featured_image' => __( 'Remove featured image', 'newspack-network' ),
'use_featured_image' => __( 'Use as featured image', 'newspack-network' ),
'insert_into_item' => __( 'Insert into item', 'newspack-network' ),
'uploaded_to_this_item' => __( 'Uploaded to this item', 'newspack-network' ),
'items_list' => __( 'Items list', 'newspack-network' ),
'items_list_navigation' => __( 'Items list navigation', 'newspack-network' ),
'filter_items_list' => __( 'Filter items list', 'newspack-network' ),
);
$args = array(
'label' => __( 'Nodes', 'newspack-network' ),
'description' => __( 'Newspack Nodes', 'newspack-network' ),
'labels' => $labels,
'supports' => array( 'title' ),
'hierarchical' => false,
'public' => false,
'show_ui' => true,
'show_in_menu' => Network_Admin::PAGE_SLUG,
'can_export' => false,
'capability_type' => 'page',
'show_in_rest' => false,
'delete_with_user' => false,
'register_meta_box_cb' => [ __CLASS__, 'add_metabox' ],
);
register_post_type( self::POST_TYPE_SLUG, $args );
}
/**
* Adds post type metaboxes
*
* @param WP_Post $post The current post.
* @return void
*/
public static function add_metabox( $post ) {
add_meta_box(
'newspack-network-metabox',
__( 'Node details' ),
[ __CLASS__, 'metabox_content' ],
self::POST_TYPE_SLUG,
'normal',
'core'
);
}
/**
* Outputs a dropdow for Node selection
*
* @param string $current_node The selected node id.
* @param string $name The name of the select element.
* @param string $empty_label The label for the empty option.
* @return void
*/
public static function nodes_dropdown( $current_node = '', $name = 'node_id', $empty_label = '' ) {
if ( empty( $empty_label ) ) {
$empty_label = __( 'All Nodes', 'newspack-network' );
}
$all_nodes = self::get_all_nodes();
?>
<select name="<?php echo esc_attr( $name ); ?>" id="node_id">
<option value=""><?php echo esc_html( $empty_label ); ?></option>
<option value="0" <?php selected( $current_node, '0' ); ?>><?php echo esc_html( __( 'Hub (this site)', 'newspack-network' ) ); ?></option>
<?php foreach ( $all_nodes as $node ) : ?>
<option value="<?php echo esc_attr( $node->get_id() ); ?>" <?php selected( $current_node, $node->get_id() ); ?>><?php echo esc_html( $node->get_url() ); ?></option>
<?php endforeach; ?>
</select>
<?php
}
/**
* Outputs metabox content
*
* @param WP_Post $post The current post.
* @return void
*/
public static function metabox_content( $post ) {
wp_nonce_field( 'newspack_hub_save_node', 'newspack_hub_save_node_nonce' );
$node_url = get_post_meta( $post->ID, 'node-url', true );
$secret_key = get_post_meta( $post->ID, 'secret-key', true );
?>
<div class="misc-pub-section">
Node URL: <input type="text" name="newspack-node-url" value="<?php echo esc_attr( $node_url ); ?>" />
</div>
<?php if ( $secret_key ) : ?>
<div class="misc-pub-section">
Secret Key: <?php echo esc_attr( $secret_key ); ?>
</div>
<?php endif; ?>
<?php
}
/**
* Save post callback
*
* @param int $post_id The ID of the post being saved.
* @return void
*/
public static function save_post( $post_id ) {
$post_type = sanitize_text_field( $_POST['post_type'] ?? '' );
if ( self::POST_TYPE_SLUG !== $post_type ) {
return;
}
if ( ! isset( $_POST['newspack_hub_save_node_nonce'] ) ||
! wp_verify_nonce( sanitize_text_field( $_POST['newspack_hub_save_node_nonce'] ), 'newspack_hub_save_node' )
) {
return;
}
/*
* If this is an autosave, our form has not been submitted,
* so we don't want to do anything.
*/
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
$post_type_object = get_post_type_object( $post_type );
if ( ! current_user_can( $post_type_object->cap->edit_post, $post_id ) ) {
return;
}
if ( ! empty( $_POST['newspack-node-url'] ) && filter_var( $_POST['newspack-node-url'], FILTER_VALIDATE_URL ) ) {
update_post_meta( $post_id, 'node-url', untrailingslashit( sanitize_text_field( $_POST['newspack-node-url'] ) ) );
}
$key = get_post_meta( $post_id, 'secret-key', true );
if ( ! $key ) {
$secret_key = Crypto::generate_secret_key();
update_post_meta( $post_id, 'secret-key', $secret_key );
}
/**
* Fires an action after a node is successfully saved (created/updated) in the Hub admin
*
* @param int $post_id The ID of the node post.
*/
do_action( 'newspack_network_node_saved', $post_id );
}
}