oont-contents/plugins/jetpack/json-endpoints/class.wpcom-json-api-list-comments-endpoint.php
2025-02-10 13:57:45 +01:00

380 lines
12 KiB
PHP

<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
* Comments Walker Class.
*/
class WPCOM_JSON_API_List_Comments_Walker extends Walker {
/**
* Tree type.
*
* @var string
*/
public $tree_type = 'comment';
/**
* Database fields.
*
* @var array
*/
public $db_fields = array(
'parent' => 'comment_parent',
'id' => 'comment_ID',
);
/**
* Start the element output.
*
* @param array $output - the output.
* @param object $object - the object.
* @param int $depth - depth.
* @param array $args - the arguments.
* @param int $current_object_id - the object ID.
*/
public function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
if ( ! is_array( $output ) ) {
$output = array();
}
$output[] = $object->comment_ID;
}
/**
* Taken from WordPress's Walker_Comment::display_element()
*
* This function is designed to enhance Walker::display_element() to
* display children of higher nesting levels than selected inline on
* the highest depth level displayed. This prevents them being orphaned
* at the end of the comment list.
*
* Example: max_depth = 2, with 5 levels of nested content.
* 1
* 1.1
* 1.1.1
* 1.1.1.1
* 1.1.1.1.1
* 1.1.2
* 1.1.2.1
* 2
* 2.2
*
* @see Walker_Comment::display_element()
* @see Walker::display_element()
* @see wp_list_comments()
*
* @param object $element — Data object.
* @param array $children_elements - List of elements to continue traversing (passed by reference).
* @param int $max_depth — Max depth to traverse.
* @param int $depth — Depth of current element.
* @param array $args — An array of arguments.
* @param string $output — Used to append additional content (passed by reference).
*/
public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
if ( ! $element ) {
return;
}
$id_field = $this->db_fields['id'];
$id = $element->$id_field;
parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
// If we're at the max depth, and the current element still has children, loop over those and display them at this level
// This is to prevent them being orphaned to the end of the list.
if ( $max_depth <= $depth + 1 && isset( $children_elements[ $id ] ) ) {
foreach ( $children_elements[ $id ] as $child ) {
$this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output );
}
unset( $children_elements[ $id ] );
}
}
}
new WPCOM_JSON_API_List_Comments_Endpoint(
array(
'description' => 'Get a list of recent comments.',
'group' => 'comments',
'stat' => 'comments',
'method' => 'GET',
'path' => '/sites/%s/comments/',
'path_labels' => array(
'$site' => '(int|string) Site ID or domain',
),
'allow_fallback_to_jetpack_blog_token' => true,
'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/comments/?number=2',
)
);
new WPCOM_JSON_API_List_Comments_Endpoint(
array(
'description' => 'Get a list of recent comments on a post.',
'group' => 'comments',
'stat' => 'posts:1:replies',
'method' => 'GET',
'path' => '/sites/%s/posts/%d/replies/',
'path_labels' => array(
'$site' => '(int|string) Site ID or domain',
'$post_ID' => '(int) The post ID',
),
'allow_fallback_to_jetpack_blog_token' => true,
'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/posts/7/replies/?number=2',
)
);
/**
* List comment endpoint.
*
* /sites/%s/comments/ -> $blog_id
* /sites/%s/posts/%d/replies/ -> $blog_id, $post_id
* /sites/%s/comments/%d/replies/ -> $blog_id, $comment_id
*
* @todo permissions
*/
class WPCOM_JSON_API_List_Comments_Endpoint extends WPCOM_JSON_API_Comment_Endpoint { // phpcs:ignore
/**
* The response format.
*
* @var array
*/
public $response_format = array(
'found' => '(int) The total number of comments found that match the request (ignoring limits, offsets, and pagination).',
'site_ID' => '(int) The site ID',
'comments' => '(array:comment) An array of comment objects.',
);
/**
* Constructor function.
*
* @param array $args - the arguments.
*/
public function __construct( $args ) {
parent::__construct( $args );
$this->query = array_merge(
$this->query,
array(
'number' => '(int=20) The number of comments to return. Limit: 100. When using hierarchical=1, number refers to the number of top-level comments returned.',
'offset' => '(int=0) 0-indexed offset. Not available if using hierarchical=1.',
'page' => '(int) Return the Nth 1-indexed page of comments. Takes precedence over the <code>offset</code> parameter. When using hierarchical=1, pagination is a bit different. See the note on the number parameter.',
'order' => array(
'DESC' => 'Return comments in descending order from newest to oldest.',
'ASC' => 'Return comments in ascending order from oldest to newest.',
),
'hierarchical' => array(
'false' => '',
'true' => '(BETA) Order the comment list hierarchically.',
),
'after' => '(ISO 8601 datetime) Return comments dated on or after the specified datetime. Not available if using hierarchical=1.',
'before' => '(ISO 8601 datetime) Return comments dated on or before the specified datetime. Not available if using hierarchical=1.',
'type' => array(
'any' => 'Return all comments regardless of type.',
'comment' => 'Return only regular comments.',
'trackback' => 'Return only trackbacks.',
'pingback' => 'Return only pingbacks.',
'pings' => 'Return both trackbacks and pingbacks.',
),
'status' => array(
'approved' => 'Return only approved comments.',
'unapproved' => 'Return only comments in the moderation queue.',
'spam' => 'Return only comments marked as spam.',
'trash' => 'Return only comments in the trash.',
'all' => 'Return comments of all statuses.',
),
'author_wpcom_data' => array(
'false' => 'Do not add wpcom_id and wpcom_login fields to comment author responses (default)',
'true' => 'Add wpcom_id and wpcom_login fields to comment author responses',
),
)
);
}
/**
* The callback.
*
* @param string $path - the path.
* @param int $blog_id - the blog ID.
* @param int $object_id - the object ID.
*/
public function callback( $path = '', $blog_id = 0, $object_id = 0 ) {
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
$args = $this->query_args();
if ( $args['number'] < 1 ) {
$args['number'] = 20;
} elseif ( 100 < $args['number'] ) {
return new WP_Error( 'invalid_number', 'The NUMBER parameter must be less than or equal to 100.', 400 );
}
if ( str_contains( $path, '/posts/' ) ) {
// We're looking for comments of a particular post.
$post_id = $object_id;
$comment_id = 0;
} else {
// We're looking for comments for the whole blog, or replies to a single comment.
$comment_id = $object_id;
$post_id = 0;
}
// We can't efficiently get the number of replies to a single comment.
$count = false;
$found = -1;
if ( ! $comment_id ) {
// We can get comment counts for the whole site or for a single post, but only for certain queries.
if ( 'any' === $args['type'] && ! isset( $args['after'] ) && ! isset( $args['before'] ) ) {
$count = $this->api->wp_count_comments( $post_id );
}
}
switch ( $args['status'] ) {
case 'approved':
$status = 'approve';
if ( $count ) {
$found = $count->approved;
}
break;
default:
if ( ! current_user_can( 'edit_posts' ) ) {
return new WP_Error( 'unauthorized', 'User cannot read non-approved comments', 403 );
}
if ( 'unapproved' === $args['status'] ) {
$status = 'hold';
$count_status = 'moderated';
} elseif ( 'all' === $args['status'] ) {
$status = 'all';
$count_status = 'total_comments';
} else {
$status = $args['status'];
$count_status = $args['status'];
}
if ( $count ) {
$found = $count->$count_status;
}
}
/** This filter is documented in class.json-api.php */
$exclude = apply_filters(
'jetpack_api_exclude_comment_types',
array( 'order_note', 'webhook_delivery', 'review', 'action_log' )
);
$query = array(
'order' => $args['order'],
'type' => 'any' === $args['type'] ? false : $args['type'],
'status' => $status,
'type__not_in' => $exclude,
);
if ( isset( $args['page'] ) ) {
if ( $args['page'] < 1 ) {
$args['page'] = 1;
}
} elseif ( $args['offset'] < 0 ) {
$args['offset'] = 0;
}
if ( ! $args['hierarchical'] ) {
$query['number'] = $args['number'];
if ( isset( $args['page'] ) ) {
$query['offset'] = ( $args['page'] - 1 ) * $args['number'];
} else {
$query['offset'] = $args['offset'];
}
$is_before = isset( $args['before_gmt'] );
$is_after = isset( $args['after_gmt'] );
if ( $is_before || $is_after ) {
$query['date_query'] = array(
'column' => 'comment_date_gmt',
'inclusive' => true,
);
if ( $is_before ) {
$query['date_query']['before'] = $args['before_gmt'];
}
if ( $is_after ) {
$query['date_query']['after'] = $args['after_gmt'];
}
}
}
if ( $args['hierarchical'] && $found > 5000 ) {
// Massive comment thread found; don't pre-load comment metadata to reduce memory used.
$query['update_comment_meta_cache'] = false;
}
if ( $post_id ) {
$post = get_post( $post_id );
if ( ! $post || is_wp_error( $post ) ) {
return new WP_Error( 'unknown_post', 'Unknown post', 404 );
}
$query['post_id'] = $post->ID;
if ( $this->api->ends_with( $this->path, '/replies' ) ) {
$query['parent'] = 0;
}
} elseif ( $comment_id ) {
$comment = get_comment( $comment_id );
if ( ! $comment || is_wp_error( $comment ) ) {
return new WP_Error( 'unknown_comment', 'Unknown comment', 404 );
}
$query['parent'] = $comment_id;
}
$comments = get_comments( $query );
if ( $args['hierarchical'] ) {
$walker = new WPCOM_JSON_API_List_Comments_Walker();
$comment_ids = $walker->paged_walk( $comments, get_option( 'thread_comments_depth', -1 ), isset( $args['page'] ) ? $args['page'] : 1, $args['number'] );
if ( ! empty( $comment_ids ) ) {
$comments = array_map( 'get_comment', $comment_ids );
}
}
$return = array();
foreach ( array_keys( $this->response_format ) as $key ) {
switch ( $key ) {
case 'found':
$return[ $key ] = (int) $found;
break;
case 'site_ID':
$return[ $key ] = (int) $blog_id;
break;
case 'comments':
$return_comments = array();
if ( ! empty( $comments ) ) {
foreach ( $comments as $comment ) {
$the_comment = $this->get_comment( $comment->comment_ID, $args['context'] );
if ( $the_comment && ! is_wp_error( $the_comment ) ) {
$return_comments[] = $the_comment;
}
}
}
if ( $return_comments ) {
/** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */
do_action( 'wpcom_json_api_objects', 'comments', count( $return_comments ) );
}
$return[ $key ] = $return_comments;
break;
}
}
return $return;
}
}