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Fix comment_order for single page comment threads.

Browse Source 
The old comment pagination logic had a separate block for comment threads that
appeared on a single page. After the refactoring in [34561], all comment
pagination logic is unified.

This change ensures that 'comment_order' is respected in all scenarios.

Fixes #8071.

git-svn-id: https://develop.svn.wordpress.org/trunk@34669 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2015-09-28 19:29:22 +00:00
parent ac85963ad4
commit f261d3ac8a
2 changed files with 327 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

81
src/wp-includes/comment-template.php
View File

@@ -1233,57 +1233,54 @@ function comments_template( $file = '/comments.php', $separate_comments = false
$per_page = (int) get_option( 'comments_per_page' );
}
$flip_comment_order = $trim_comments_on_page = false;
if ( $post->comment_count > $per_page ) {
$comment_args['number'] = $per_page;
/*
* For legacy reasons, higher page numbers always mean more recent comments, regardless of sort order.
* Since we don't have full pagination info until after the query, we use some tricks to get the
* right comments for the current page.
*
* Abandon all hope, ye who enter here!
*/
$page = (int) get_query_var( 'cpage' );
if ( 'newest' === get_option( 'default_comments_page' ) ) {
if ( $page ) {
$comment_args['order'] = 'ASC';
/*
* We don't have enough data (namely, the total number of comments) to calculate an
* exact offset. We'll fetch too many comments, and trim them as needed
* after the query.
*/
$offset = ( $page - 2 ) * $per_page;
if ( 0 > $offset ) {
// `WP_Comment_Query` doesn't support negative offsets.
$comment_args['offset'] = 0;
} else {
$comment_args['offset'] = $offset;
}
// Fetch double the number of comments we need.
$comment_args['number'] += $per_page;
$trim_comments_on_page = true;
} else {
$comment_args['order'] = 'DESC';
$comment_args['offset'] = 0;
$flip_comment_order = true;
}
} else {
/*
* For legacy reasons, higher page numbers always mean more recent comments, regardless of sort order.
* Since we don't have full pagination info until after the query, we use some tricks to get the
* right comments for the current page.
*
* Abandon all hope, ye who enter here!
*/
$flip_comment_order = $trim_comments_on_page= false;
$comment_args['number'] = $per_page;
$page = (int) get_query_var( 'cpage' );
if ( 'newest' === get_option( 'default_comments_page' ) ) {
if ( $page ) {
$comment_args['order'] = 'ASC';
if ( $page ) {
$comment_args['offset'] = ( $page - 1 ) * $per_page;
} else {
/*
* We don't have enough data (namely, the total number of comments) to calculate an
* exact offset. We'll fetch too many comments, and trim them as needed
* after the query.
*/
$offset = ( $page - 2 ) * $per_page;
if ( 0 > $offset ) {
// `WP_Comment_Query` doesn't support negative offsets.
$comment_args['offset'] = 0;
} else {
$comment_args['offset'] = $offset;
}
// Fetch double the number of comments we need.
$comment_args['number'] += $per_page;
$trim_comments_on_page = true;
} else {
$comment_args['order'] = 'DESC';
$comment_args['offset'] = 0;
$flip_comment_order = true;
}
} else {
$comment_args['order'] = 'ASC';
if ( $page ) {
$comment_args['offset'] = ( $page - 1 ) * $per_page;
} else {
$comment_args['offset'] = 0;
}
}
$comment_query = new WP_Comment_Query( $comment_args );
$_comments = $comment_query->comments;
// Delightful pagination quirk #1: first page of results sometimes needs reordering.
// Delightful pagination quirk #1: `wp_list_comments()` expects the order to be wrong, so we make it wrong.
if ( $flip_comment_order ) {
$_comments = array_reverse( $_comments );
}