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Comment feeds everywhere. Props mdawaffe and rob1n. fixes #2485

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git-svn-id: https://develop.svn.wordpress.org/trunk@4934 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
2007-02-24 07:33:29 +00:00
parent 6b2b9f27d1
commit 2f191b4b56
6 changed files with 168 additions and 117 deletions
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wp-includes/query.php
+111
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@@ -10,6 +10,12 @@ function get_query_var($var) {
return $wp_query->get($var);
}
function set_query_var($var, $value) {
global $wp_query;
return $wp_query->set($var, $value);
}
function &query_posts($query) {
unset($GLOBALS['wp_query']);
$GLOBALS['wp_query'] =& new WP_Query();
@@ -249,6 +255,20 @@ function the_post() {
$wp_query->the_post();
}
/*
* Comments loop.
*/
function have_comments() {
global $wp_query;
return $wp_query->have_comments();
}
function the_comment() {
global $wp_query;
return $wp_query->the_comment();
}
/*
* WP_Query
*/
@@ -265,6 +285,11 @@ class WP_Query {
var $current_post = -1;
var $in_the_loop = false;
var $post;
var $comments;
var $comment_count = 0;
var $current_comment = -1;
var $comment;
var $found_posts = 0;
var $max_num_pages = 0;
@@ -282,6 +307,7 @@ class WP_Query {
var $is_category = false;
var $is_search = false;
var $is_feed = false;
var $is_comment_feed = false;
var $is_trackback = false;
var $is_home = false;
var $is_404 = false;
@@ -305,6 +331,7 @@ class WP_Query {
$this->is_category = false;
$this->is_search = false;
$this->is_feed = false;
$this->is_comment_feed = false;
$this->is_trackback = false;
$this->is_home = false;
$this->is_404 = false;
@@ -537,6 +564,14 @@ class WP_Query {
if ( $this->is_single || $this->is_page || $this->is_attachment )
$this->is_singular = true;
if ( false !== strpos($qv['feed'], 'comments-') ) {
$this->query_vars['feed'] = $qv['feed'] = str_replace('comments-', '', $qv['feed']);
$qv['withcomments'] = 1;
}
if ( $this->is_feed && (!empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
$this->is_comment_feed = true;
if ( ! ($this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_comments_popup)) {
$this->is_home = true;
}
@@ -966,6 +1001,38 @@ class WP_Query {
$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
}
}
// Comments feeds
if ( $this->is_comment_feed && ( $this->is_archive || $this->is_search || !$this->is_singular ) ) {
if ( $this->is_archive || $this->is_search ) {
$cjoin = "LEFT JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join ";
$cwhere = "WHERE comment_approved = '1' $where";
$cgroupby = "GROUP BY $wpdb->comments.comment_id";
} else { // Other non singular e.g. front
$cjoin = "LEFT JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
$cwhere = "WHERE post_status = 'publish' AND comment_approved = '1'";
$cgroupby = '';
}
$cjoin = apply_filters('comment_feed_join', $cjoin);
$cwhere = apply_filters('comment_feed_where', $cwhere);
$cgroupby = apply_filters('comment_feed_groupby', $cgroupby);
$this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby ORDER BY comment_date_gmt DESC LIMIT " . get_settings('posts_per_rss'));
$this->comment_count = count($this->comments);
$post_ids = array();
foreach ($this->comments as $comment)
$post_ids[] = (int) $comment->comment_post_ID;
$post_ids = join(',', $post_ids);
$join = '';
if ( $post_ids )
$where = "AND $wpdb->posts.ID IN ($post_ids) ";
else
$where = "AND 0";
}
// Apply post-paging filters on where and join. Only plugins that
// manipulate paging queries should use these hooks.
@@ -986,12 +1053,22 @@ class WP_Query {
$this->request = apply_filters('posts_request', $request);
$this->posts = $wpdb->get_results($this->request);
if ( $this->is_comment_feed && $this->is_singular ) {
$cjoin = apply_filters('comment_feed_join', '');
$cwhere = apply_filters('comment_feed_where', "WHERE comment_post_ID = {$this->posts[0]->ID} AND comment_approved = '1'");
$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere ORDER BY comment_date_gmt DESC LIMIT " . get_settings('posts_per_rss');
$this->comments = $wpdb->get_results($comments_request);
$this->comment_count = count($this->comments);
}
if ( !empty($limits) ) {
$found_posts_query = apply_filters( 'found_posts_query', 'SELECT FOUND_ROWS()' );
$this->found_posts = $wpdb->get_var( $found_posts_query );
$this->found_posts = apply_filters( 'found_posts', $this->found_posts );
$this->max_num_pages = ceil($this->found_posts / $q['posts_per_page']);
}
// Check post status to determine if post should be displayed.
if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
$status = get_post_status($this->posts[0]);
@@ -1071,6 +1148,40 @@ class WP_Query {
$this->post = $this->posts[0];
}
}
function next_comment() {
$this->current_comment++;
$this->comment = $this->comments[$this->current_comment];
return $this->comment;
}
function the_comment() {
global $comment;
$comment = $this->next_comment();
if ($this->current_comment == 0) {
do_action('comment_loop_start');
}
}
function have_comments() {
if ($this->current_comment + 1 < $this->comment_count) {
return true;
} elseif ($this->current_comment + 1 == $this->comment_count) {
$this->rewind_comments();
}
return false;
}
function rewind_comments() {
$this->current_comment = -1;
if ($this->comment_count > 0) {
$this->comment = $this->comments[0];
}
}
function &query($query) {
$this->parse_query($query);