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Commit e916edc7 authored by Angie Byron's avatar Angie Byron
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#502538 by catch: Add the ability to load multiple comments at once.

parent ffc8cab8
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......@@ -33,6 +33,19 @@ function hook_comment_update($comment) {
search_touch_node($comment->nid);
}
/**
* Comments are being loaded from the database.
*
* @param $comments
* An array of comment objects indexed by cid.
*/
function hook_comment_load($comments) {
$result = db_query('SELECT cid, foo FROM {mytable} WHERE cid IN (:cids)', array(':cids' => array_keys($comments)));
foreach ($result as $record) {
$comments[$record->cid]->foo = $record->foo;
}
}
/**
* The comment is being viewed. This hook can be used to add additional data to the comment before theming.
*
......
......@@ -1122,22 +1122,9 @@ function comment_render($node, $cid = 0) {
$comments_per_page = _comment_get_display_setting('comments_per_page', $node);
if ($cid && is_numeric($cid)) {
$comment = current(comment_load_multiple(array('cid' => $cid, 'status' => COMMENT_PUBLISHED)));
// Single comment view.
$query = db_select('comment', 'c');
$query->addField('u', 'name', 'registered_name');
$query->innerJoin('users', 'u', 'c.uid = u.uid');
$query
->fields('c', array('cid', 'nid', 'pid', 'comment', 'subject', 'format', 'timestamp', 'name', 'mail', 'homepage', 'status'))
->fields('u', array( 'uid', 'signature', 'picture', 'data', 'status'))
->condition('c.cid', $cid);
if (!user_access('administer comments')) {
$query->condition('c.status', COMMENT_PUBLISHED);
}
$result = $query->execute();
if ($comment = $result->fetchObject()) {
if ($comment) {
$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
$links = module_invoke_all('link', 'comment', $comment, 1);
drupal_alter('link', $links, $node);
......@@ -1152,11 +1139,8 @@ function comment_render($node, $cid = 0) {
// Multiple comment view.
$query = db_select('comment', 'c')->extend('PagerDefault');
$query->join('users', 'u', 'c.uid = u.uid');
$query->addField('u', 'name', 'registered_name');
$query->addField('c', 'cid');
$query
->fields('c', array('cid', 'pid', 'nid', 'subject', 'comment', 'format', 'timestamp', 'name', 'mail', 'homepage', 'thread', 'status'))
->fields('u', array('uid', 'signature', 'picture', 'data'))
->condition('c.nid', $nid)
->addTag('node_access')
->limit($comments_per_page);
......@@ -1182,13 +1166,14 @@ function comment_render($node, $cid = 0) {
}
$query->setCountQuery($count_query);
$result = $query->execute();
$cids = $query->execute()->fetchCol();
$divs = 0;
$num_rows = FALSE;
$comments = '';
$render = '';
$comments = comment_load_multiple($cids);
drupal_add_css(drupal_get_path('module', 'comment') . '/comment.css');
foreach ($result as $comment) {
foreach ($comments as $comment) {
$comment = drupal_unpack($comment);
$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
$comment->depth = count(explode('.', $comment->thread)) - 1;
......@@ -1196,28 +1181,28 @@ function comment_render($node, $cid = 0) {
if ($mode == COMMENT_MODE_THREADED) {
if ($comment->depth > $divs) {
$divs++;
$comments .= '<div class="indented">';
$render .= '<div class="indented">';
}
else {
while ($comment->depth < $divs) {
$divs--;
$comments .= '</div>';
$render .= '</div>';
}
}
}
if ($mode == COMMENT_MODE_FLAT) {
$comments .= theme('comment_flat_expanded', $comment, $node);
$render .= theme('comment_flat_expanded', $comment, $node);
}
elseif ($mode == COMMENT_MODE_THREADED) {
$comments .= theme('comment_thread_expanded', $comment, $node);
$render .= theme('comment_thread_expanded', $comment, $node);
}
$num_rows = TRUE;
}
while ($divs-- > 0) {
$comments .= '</div>';
$render .= '</div>';
}
$output .= $comments;
$output .= $render;
$output .= theme('pager', NULL);
}
......@@ -1268,8 +1253,46 @@ function comment_operations($action = NULL) {
}
/**
* Begin the misc functions: helpers, privates, history.
* Load comments from the database.
*
* @param $cids
* An array of comment IDs.
* @param $conditions
* An array of conditions to match against the {comments} table. These
* should be supplied in the form array('field_name' => 'field_value').
* @return
* An array of comment objects, indexed by comment ID.
*/
function comment_load_multiple($cids = array(), $conditions = array()) {
$comments = array();
if ($cids || $conditions) {
$query = db_select('comment', 'c');
$query->innerJoin('users', 'u', 'c.uid = u.uid');
$query->addField('u', 'name', 'registered_name');
$query
->fields('c', array('cid', 'nid', 'pid', 'comment', 'subject', 'format', 'timestamp', 'name', 'mail', 'homepage', 'status', 'thread'))
->fields('u', array( 'uid', 'signature', 'picture', 'data', 'status'));
// If the $cids array is populated, add those to the query.
if ($cids) {
$query->condition('c.cid', $cids, 'IN');
}
// If the conditions array is populated, add those to the query.
if ($conditions) {
foreach ($conditions as $field => $value) {
$query->condition('c.' . $field, $value);
}
}
$comments = $query->execute()->fetchAllAssoc('cid');
}
// Invoke hook_comment_load().
if (!empty($comments)) {
module_invoke_all('comment_load', $comments);
}
return $comments;
}
/**
* Load the entire comment by cid.
......@@ -1280,7 +1303,7 @@ function comment_operations($action = NULL) {
* The comment object.
*/
function comment_load($cid) {
return db_query('SELECT * FROM {comment} WHERE cid = :cid', array(':cid' => $cid))->fetchObject();
return current(comment_load_multiple(array($cid)));
}
/**
......
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