<?php
/**
* UI functionality for distributed posts
*
* @package distributor
*/
namespace Distributor\SyndicatedPostUI;
use Distributor\EnqueueScript;
use Distributor\Utils;
/**
* Setup actions and filters
*
* @since 0.8
*/
function setup() {
add_action(
'plugins_loaded',
function() {
add_action( 'edit_form_top', __NAMESPACE__ . '\syndicated_message', 9, 1 );
add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\enqueue_post_scripts' );
add_action( 'admin_enqueue_scripts', __NAMESPACE__ . '\enqueue_edit_scripts' );
add_action( 'enqueue_block_editor_assets', __NAMESPACE__ . '\enqueue_gutenberg_edit_scripts' );
add_action( 'admin_init', __NAMESPACE__ . '\unlink' );
add_action( 'admin_init', __NAMESPACE__ . '\link' );
add_action( 'post_submitbox_misc_actions', __NAMESPACE__ . '\syndication_date' );
add_filter( 'admin_body_class', __NAMESPACE__ . '\add_linked_class' );
add_filter( 'post_row_actions', __NAMESPACE__ . '\remove_quick_edit', 10, 2 );
add_action( 'do_meta_boxes', __NAMESPACE__ . '\replace_revisions_meta_box', 10, 3 );
add_action( 'add_meta_boxes', __NAMESPACE__ . '\add_revisions_meta_box' );
add_action( 'admin_init', __NAMESPACE__ . '\setup_columns' );
}
);
}
/**
* Setup custom admin columns
*
* @since 1.0
*/
function setup_columns() {
$post_types = \Distributor\Utils\distributable_post_types();
foreach ( $post_types as $post_type ) {
add_action( 'manage_' . $post_type . '_posts_custom_column', __NAMESPACE__ . '\output_distributor_column', 10, 2 );
add_filter( 'manage_' . $post_type . '_posts_columns', __NAMESPACE__ . '\add_distributor_column' );
}
}
/**
* Add Distributor column to post table to indicate a posts link status
*
* @since 1.0
* @param array $columns Array of columns
* @return array
*/
function add_distributor_column( $columns ) {
unset( $columns['date'] );
$columns['distributor'] = '<img src="' . esc_url( plugins_url( 'assets/img/icon.svg', __DIR__ ) ) . '" alt="' . esc_attr__( 'Posts distributed from another site.', 'distributor' ) . '" title="' . esc_attr__( 'Posts distributed from another site.', 'distributor' ) . '"> <span class="dt-column-header">Distributor</span>';
$columns['date'] = esc_html__( 'Date', 'distributor' );
return $columns;
}
/**
* Output Distributor post table column. Tell users if a post is linked.
*
* @param string $column_name Column name
* @param int $post_id Post ID
* @since 1.0
*/
function output_distributor_column( $column_name, $post_id ) {
if ( 'distributor' === $column_name ) {
$original_blog_id = get_post_meta( $post_id, 'dt_original_blog_id', true );
$original_source_id = get_post_meta( $post_id, 'dt_original_source_id', true );
$original_deleted = (bool) get_post_meta( $post_id, 'dt_original_post_deleted', true );
if ( ( empty( $original_blog_id ) && empty( $original_source_id ) ) || $original_deleted ) {
echo '—';
} else {
$unlinked = (bool) get_post_meta( $post_id, 'dt_unlinked', true );
$post_type_object = get_post_type_object( get_post_type( $post_id ) );
$post_url = get_post_meta( $post_id, 'dt_original_post_url', true );
if ( $unlinked ) {
echo '<a href="' . esc_url( $post_url ) . '"><img class="dt-unlinked" src="' . esc_url( plugins_url( 'assets/img/icon.svg', __DIR__ ) ) . '" alt="' . esc_attr__( 'Unlinked', 'distributor' ) . '" title="' . esc_attr__( 'Unlinked', 'distributor' ) . '"></a>';
} else {
echo '<a href="' . esc_url( $post_url ) . '"><img src="' . esc_url( plugins_url( 'assets/img/icon.svg', __DIR__ ) ) . '" alt="' . esc_attr__( 'Linked', 'distributor' ) . '" title="' . esc_attr__( 'Linked', 'distributor' ) . '"></a>';
}
}
}
}
/**
* Remove quick edit for linked posts
*
* @param array $actions Array of current actions
* @param \WP_Post $post Post object
*
* @since 0.8
* @return array
*/
function remove_quick_edit( $actions, $post ) {
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return $actions;
}
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
if ( $unlinked ) {
return $actions;
}
$original_deleted = (bool) get_post_meta( $post->ID, 'dt_original_post_deleted', true );
if ( $original_deleted ) {
return $actions;
}
unset( $actions['inline hide-if-no-js'] );
return $actions;
}
/**
* Add linked class to body
*
* @param string $classes CSS classes string
* @since 0.8
* @return string
*/
function add_linked_class( $classes ) {
global $post, $pagenow;
if (
'post.php' !== $pagenow && 'post-new.php' !== $pagenow
|| empty( $_GET['post'] ) // @codingStandardsIgnoreLine No nonce needed.
) {
return $classes;
}
$current_post_id = intval( $_GET['post'] ); // @codingStandardsIgnoreLine No nonce needed.
$original_blog_id = get_post_meta( $current_post_id, 'dt_original_blog_id', true );
$original_source_id = get_post_meta( $current_post_id, 'dt_original_source_id', true );
$original_post_id = get_post_meta( $current_post_id, 'dt_original_post_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return $classes;
}
$unlinked = (bool) get_post_meta( $current_post_id, 'dt_unlinked', true );
$original_deleted = (bool) get_post_meta( $post->ID, 'dt_original_post_deleted', true );
if ( $unlinked || $original_deleted ) {
return $classes;
}
return $classes . ' dt-linked-post';
}
/**
* Output syndicated on date
*
* @param \WP_Post $post Post object
* @since 0.8
*/
function syndication_date( $post ) {
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return;
}
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
if ( $unlinked ) {
return;
}
$syndicate_time = get_post_meta( $post->ID, 'dt_syndicate_time', true );
?>
<div class="misc-pub-section curtime misc-pub-curtime">
<span id="syndicate-time">
<?php
printf(
/* translators: 1: Syndication date and time. */
esc_html__( 'Distributed on: %1$s', 'distributor' ),
'<strong>' . esc_html( gmdate( 'M j, Y @ h:i', ( $syndicate_time + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) ) ) . '</strong>'
);
?>
</span>
</div>
<?php
}
/**
* Remove old revisions meta box
*
* @since 1.0
*/
function add_revisions_meta_box() {
global $post;
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return;
}
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
if ( $unlinked ) {
return;
}
add_meta_box( 'revisionsdiv2', esc_html__( 'Revisions', 'distributor' ), __NAMESPACE__ . '\new_revisions_meta_box', $post->post_type );
}
/**
* New revisions meta box
*
* @param int $post_id Post ID
* @since 1.2
*/
function new_revisions_meta_box( $post_id ) {
$post_type = get_post_type_object( get_post_type( $post_id ) );
?>
<p>
<?php
/* translators: %s the post type name */
printf( esc_html__( 'Distributed %s do not support revisions unless unlinked.', 'distributor' ), esc_html( strtolower( $post_type->labels->name ) ) );
?>
</p>
<?php
}
/**
* Remove old revisions meta box
*
* @param string $post_type Post type
* @param string $context Meta box context
* @param \WP_Post $post Post object
*
* @since 1.0
*/
function replace_revisions_meta_box( $post_type, $context, $post ) {
if ( empty( $post ) ) {
return;
}
if ( Utils\is_using_gutenberg( $post ) ) {
return;
}
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return;
}
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
if ( $unlinked ) {
return;
}
remove_meta_box( 'revisionsdiv', $post_type, $context );
}
/**
* Unlink post
*
* @since 0.8
*/
function unlink() {
if ( empty( $_GET['action'] ) || 'unlink' !== $_GET['action'] || empty( $_GET['post'] ) ) { // @codingStandardsIgnoreLine Nonce isn't needed here.
return;
}
$post_id = intval( $_GET['post'] );
if ( empty( $_GET['_wpnonce'] ) ||
! wp_verify_nonce( $_GET['_wpnonce'], 'unlink-post_' . $post_id ) ||
/**
* Filters whether the post can be unlinked.
*
* @since 1.0
* @hook dt_allow_post_unlink
*
* @param {bool} true Whether the post is allowed to be unlinked. Default true.
* @param {int} $post_id The ID of the post attempting to be unlinked.
*
* @return {bool} Whether the post is allowed to be unlinked.
*/
! apply_filters( 'dt_allow_post_unlink', true, $post_id ) ) {
return;
}
update_post_meta( $post_id, 'dt_unlinked', true );
/**
* Todo: Do we delete subscriptions for external posts?
*/
/**
* Fires when a post is unlinked.
*
* @since 1.0
* @hook dt_unlink_post
*
* @param {int} $post_id ID of the post being unlinked.
*/
do_action( 'dt_unlink_post', $post_id );
wp_safe_redirect( admin_url( 'post.php?action=edit&post=' . intval( $_GET['post'] ) ) );
exit;
}
/**
* Restore post link
*
* @since 0.8
*/
function link() {
if ( empty( $_GET['action'] ) || 'link' !== $_GET['action'] || empty( $_GET['post'] ) ) { // @codingStandardsIgnoreLine Nonce isn't needed here.
return;
}
$post_id = intval( $_GET['post'] );
if ( empty( $_GET['_wpnonce'] ) || ! wp_verify_nonce( $_GET['_wpnonce'], 'link-post_' . $post_id ) ) {
return;
}
update_post_meta( $post_id, 'dt_unlinked', false );
$original_source_id = get_post_meta( $post_id, 'dt_original_source_id', true );
/**
* For external connections we use a saved update since we might not have access to sync from original
*/
if ( empty( $original_source_id ) && is_multisite() ) {
$original_post_id = get_post_meta( $post_id, 'dt_original_post_id', true );
$original_blog_id = get_post_meta( $post_id, 'dt_original_blog_id', true );
$blog_id = get_current_blog_id();
switch_to_blog( $original_blog_id );
$connection = new \Distributor\InternalConnections\NetworkSiteConnection( get_site( $blog_id ) );
$connection->push( $original_post_id, array( 'remote_post_id' => $post_id ) );
restore_current_blog();
} else {
$update = get_post_meta( $post_id, 'dt_subscription_update', true );
if ( ! empty( $update ) ) {
wp_update_post(
[
'ID' => $post_id,
'post_title' => $update['post_title'],
'post_content' => $update['post_content'],
'post_excerpt' => $update['post_excerpt'],
]
);
if ( null !== $update['meta'] ) {
\Distributor\Utils\set_meta( $post_id, $update['meta'] );
}
if ( null !== $update['terms'] ) {
\Distributor\Utils\set_taxonomy_terms( $post_id, $update['terms'] );
}
if ( null !== $update['media'] ) {
\Distributor\Utils\set_media( $post_id, $update['media'] );
}
}
}
/**
* Fires when a post is linked.
*
* @since 1.0
* @hook dt_link_post
*
* @param {int} $post_id ID of the post being linked.
*/
do_action( 'dt_link_post', $post_id );
wp_safe_redirect( admin_url( 'post.php?action=edit&post=' . $post_id ) );
exit;
}
/**
* Show syndicated post message
*
* @param \WP_Post $post Post object.
* @since 0.8
*/
function syndicated_message( $post ) {
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return;
}
$original_deleted = (bool) get_post_meta( $post->ID, 'dt_original_post_deleted', true );
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
$post_type_object = get_post_type_object( $post->post_type );
$original_post_url = get_post_meta( $post->ID, 'dt_original_post_url', true );
$original_site_name = get_post_meta( $post->ID, 'dt_original_site_name', true );
if ( ! empty( $original_blog_id ) && is_multisite() ) {
switch_to_blog( $original_blog_id );
$original_location_name = get_bloginfo( 'name' );
restore_current_blog();
if ( empty( $original_location_name ) ) {
/* translators: %d: The site ID */
$original_location_name = sprintf( esc_html__( 'Blog #%d', 'distributor' ), $original_blog_id );
}
} else {
$original_location_name = $original_site_name;
}
$post_type_singular = $post_type_object->labels->singular_name;
?>
<div class="updated syndicate-status">
<?php if ( $original_deleted ) : ?>
<p>
<?php
printf(
/* translators: 1) Distributor post type singular name, 2) Source of content. */
esc_html__( 'This %1$s was distributed from %2$s. However, the origin %1$s has been deleted.', 'distributor' ),
esc_html( strtolower( $post_type_singular ) ),
esc_html( $original_location_name )
);
?>
</p>
<?php elseif ( ! $unlinked ) : ?>
<p>
<?php
printf(
/* translators: 1) Source of content, 2) Distributor post type singular name. */
esc_html__( 'Distributed from %1$s. This %2$s is linked to the origin %2$s. Edits to the origin %2$s will update this remote version.', 'distributor' ),
esc_html( $original_location_name ),
esc_html( strtolower( $post_type_singular ) )
);
?>
<?php
// Filter documented above.
if ( apply_filters( 'dt_allow_post_unlink', true, $post->ID ) ) :
$unlink_url = wp_nonce_url( add_query_arg( 'action', 'unlink', admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ), "unlink-post_{$post->ID}" );
?>
</p>
<p>
<span><a href="<?php echo esc_url( $unlink_url ); ?>">
<?php
printf(
/* translators: 1) Distributor post type singular name. */
esc_html__( 'Unlink from the origin %1$s.', 'distributor' ),
esc_html( strtolower( $post_type_singular ) )
);
// phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentAfterEnd, avoids layout issues.
?></a></span>
<span><a href="<?php echo esc_url( $original_post_url ); ?>">
<?php
printf(
/* translators: 1) Distributor post type singular name. */
esc_html__( 'View the origin %1$s.', 'distributor' ),
esc_html( strtolower( $post_type_singular ) )
);
?>
</a></span>
<?php endif; ?>
</p>
<?php else : ?>
<p>
<?php
printf(
/* translators: 1) Source of content, 2) Distributor post type singular name. */
esc_html__(
'Originally distributed from %1$s. This %2$s has been unlinked from the origin %2$s. Edits to the origin %2$s will not update this remote version.',
'distributor'
),
esc_html( $original_location_name ),
esc_html( strtolower( $post_type_singular ) )
);
$relink_url = wp_nonce_url( add_query_arg( 'action', 'link', admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ), "link-post_{$post->ID}" );
?>
</p>
<p>
<span><a href="<?php echo esc_url( $relink_url ); ?>">
<?php
printf(
/* translators: 1) Distributor post type singular name. */
esc_html__( 'Relink to the origin %1$s.', 'distributor' ),
esc_html( strtolower( $post_type_singular ) )
);
// phpcs:ignore Squiz.PHP.EmbeddedPhp.ContentAfterEnd, avoids layout issues.
?></a></span>
<span><a href="<?php echo esc_url( $original_post_url ); ?>">
<?php
printf(
/* translators: 1) Distributor post type singular name. */
esc_html__( 'View the origin %1$s.', 'distributor' ),
esc_html( strtolower( $post_type_singular ) )
);
?>
</a></span>
</p>
<?php endif; ?>
</div>
<?php
}
/**
* Enqueue admin scripts/styles for post.php
*
* @param string $hook WP hook.
* @since 0.8
*/
function enqueue_post_scripts( $hook ) {
if ( 'post-new.php' !== $hook && 'post.php' !== $hook ) {
return;
}
global $post;
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
if ( empty( $original_post_id ) || ( empty( $original_blog_id ) && empty( $original_source_id ) ) ) {
return;
}
if ( \Distributor\Utils\is_using_gutenberg( $post ) ) {
$asset_file = DT_PLUGIN_PATH . '/dist/js/gutenberg-syndicated-post-css.min.asset.php';
// Fallback asset data.
$asset_data = array(
'version' => DT_VERSION,
'dependencies' => array(),
);
if ( file_exists( $asset_file ) ) {
$asset_data = require $asset_file;
}
wp_enqueue_style( 'dt-gutenberg-syndicated-post', plugins_url( '/dist/css/gutenberg-syndicated-post.min.css', __DIR__ ), array(), $asset_data['version'] );
} else {
$asset_file = DT_PLUGIN_PATH . '/dist/js/admin-syndicated-post-css.min.asset.php';
// Fallback asset data.
$asset_data = array(
'version' => DT_VERSION,
'dependencies' => array(),
);
if ( file_exists( $asset_file ) ) {
$asset_data = require $asset_file;
}
wp_enqueue_style( 'dt-admin-syndicated-post', plugins_url( '/dist/css/admin-syndicated-post.min.css', __DIR__ ), array(), $asset_data['version'] );
}
$unlinked = (bool) get_post_meta( $post->ID, 'dt_unlinked', true );
if ( ! $unlinked ) {
wp_dequeue_script( 'autosave' );
}
}
/**
* Output gutenberg JS
*
* @since 1.2
*/
function enqueue_gutenberg_edit_scripts() {
global $post;
if ( empty( $post ) ) {
return;
}
$original_blog_id = get_post_meta( $post->ID, 'dt_original_blog_id', true );
$original_post_id = get_post_meta( $post->ID, 'dt_original_post_id', true );
$original_source_id = get_post_meta( $post->ID, 'dt_original_source_id', true );
$original_deleted = get_post_meta( $post->ID, 'dt_original_post_deleted', true );
$unlinked = get_post_meta( $post->ID, 'dt_unlinked', true );
$post_type_object = get_post_type_object( $post->post_type );
$post_url = get_post_meta( $post->ID, 'dt_original_post_url', true );
$original_site_name = get_post_meta( $post->ID, 'dt_original_site_name', true );
$syndication_time = get_post_meta( $post->ID, 'dt_syndicate_time', true );
$connection_map = get_post_meta( $post->ID, 'dt_connection_map', true );
if ( empty( $connection_map ) ) {
$total_connections = 0;
} else {
$total_connections = count( $connection_map['internal'] ) + count( $connection_map['external'] );
}
if ( ! empty( $original_blog_id ) && is_multisite() ) {
switch_to_blog( $original_blog_id );
$original_location_name = get_bloginfo( 'name' );
restore_current_blog();
if ( empty( $original_location_name ) ) {
/* translators: %d: The site ID */
$original_location_name = sprintf( esc_html__( 'Blog #%d', 'distributor' ), $original_blog_id );
}
} else {
$original_location_name = $original_site_name;
}
$post_type_singular = $post_type_object->labels->singular_name;
$gutenberg_syndicated_post_script = new EnqueueScript(
'dt-gutenberg-syndicated-post',
'gutenberg-syndicated-post.min'
);
$localize_data = [
'originalBlogId' => (int) $original_blog_id,
'originalPostId' => (int) $original_post_id,
'originalSourceId' => (int) $original_source_id,
'originalDelete' => (int) $original_deleted,
'unlinked' => (int) $unlinked,
'postTypeSingular' => sanitize_text_field( $post_type_singular ),
'postUrl' => sanitize_text_field( $post_url ),
'originalSiteName' => sanitize_text_field( $original_site_name ),
'syndicationTime' => ( ! empty( $syndication_time ) ) ? esc_html( gmdate( 'M j, Y @ h:i', ( $syndication_time + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) ) ) : 0,
'syndicationCount' => $total_connections,
'originalLocationName' => sanitize_text_field( $original_location_name ),
'unlinkNonceUrl' => wp_nonce_url( add_query_arg( 'action', 'unlink', admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ), "unlink-post_{$post->ID}" ),
'linkNonceUrl' => wp_nonce_url( add_query_arg( 'action', 'link', admin_url( sprintf( $post_type_object->_edit_link, $post->ID ) ) ), "link-post_{$post->ID}" ),
'supportedPostTypes' => \Distributor\Utils\distributable_post_types(),
'supportedPostStati' => \Distributor\Utils\distributable_post_statuses(),
// Filter documented in includes/push-ui.php.
'noPermissions' => ! is_user_logged_in() || ! current_user_can( apply_filters( 'dt_syndicatable_capabilities', 'edit_posts' ) ),
];
$gutenberg_syndicated_post_script
->load_in_footer()
->register_translations()
->register_localize_data( 'dtGutenberg', $localize_data )
->enqueue();
$gutenberg_plugin_script = new EnqueueScript(
'dt-gutenberg-plugin',
'gutenberg-plugin.min'
);
$gutenberg_plugin_script
->load_in_footer()
->dependencies( array( 'dt-push' ) )
->register_translations()
->enqueue();
}
/**
* Enqueue admin scripts/styles for edit.php
*
* @param string $hook WP hook.
* @since 0.8
*/
function enqueue_edit_scripts( $hook ) {
if ( 'edit.php' !== $hook ) {
return;
}
$asset_file = DT_PLUGIN_PATH . '/dist/js/gadmin-edit-table-css.min.asset.php';
// Fallback asset data.
$asset_data = array(
'version' => DT_VERSION,
'dependencies' => array(),
);
if ( file_exists( $asset_file ) ) {
$asset_data = require $asset_file;
}
wp_enqueue_style( 'dt-admin-syndicated-post', plugins_url( '/dist/css/admin-edit-table.min.css', __DIR__ ), array(), $asset_data['version'] );
}