This repository has been archived on 2022-08-01. You can view files and clone it, but cannot push or open issues or pull requests.
Oldphaloskepsis/plugins/jetpack/json-endpoints/class.wpcom-json-api-list-comments-endpoint.php

267 lines
8.3 KiB
PHP
Raw Normal View History

2017-01-12 23:10:07 +00:00
<?php
class WPCOM_JSON_API_List_Comments_Walker extends Walker {
public $tree_type = 'comment';
public $db_fields = array(
'parent' => 'comment_parent',
'id' => 'comment_ID'
);
public function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) {
$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()
*/
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 ] );
}
}
}
// @todo permissions
class WPCOM_JSON_API_List_Comments_Endpoint extends WPCOM_JSON_API_Comment_Endpoint {
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.',
);
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.',
),
) );
}
// /sites/%s/comments/ -> $blog_id
// /sites/%s/posts/%d/replies/ -> $blog_id, $post_id
// /sites/%s/comments/%d/replies/ -> $blog_id, $comment_id
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 ( false !== strpos( $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 = wp_count_comments( $post_id );
}
}
switch ( $args['status'] ) {
case 'approved' :
$status = 'approve';
if ( $count ) {
$found = $count->approved;
}
break;
default :
if ( !current_user_can( 'moderate_comments' ) ) {
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 = $count_status = $args['status'];
}
if ( $count ) {
$found = $count->$count_status;
}
}
$query = array(
'order' => $args['order'],
'type' => 'any' === $args['type'] ? false : $args['type'],
'status' => $status,
);
if ( isset( $args['page'] ) ) {
if ( $args['page'] < 1 ) {
$args['page'] = 1;
}
} else {
if ( $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 ( $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 );
update_comment_cache( $comments );
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'] );
$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();
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;
}
}