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<?php
// $Id: comment.pages.inc,v 1.2.2.1 2008/02/07 18:53:38 goba Exp $
/**
* @file
* User page callbacks for the comment module.
*/
/**
* Form builder; generate a comment editing form.
*
* @param $cid
* ID of the comment to be edited.
* @ingroup forms
*/
function comment_edit($cid) {
global $user;
$comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, u.data FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d', $cid));
$comment = drupal_unpack($comment);
$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
if (comment_access('edit', $comment)) {
return comment_form_box((array)$comment);
}
else {
drupal_access_denied();
}
}
/**
* This function is responsible for generating a comment reply form.
* There are several cases that have to be handled, including:
* - replies to comments
* - replies to nodes
* - attempts to reply to nodes that can no longer accept comments
* - respecting access permissions ('access comments', 'post comments', etc.)
*
* The node or comment that is being replied to must appear above the comment
* form to provide the user context while authoring the comment.
*
* @param $node
* Every comment belongs to a node. This is that node.
*
* @param $pid
* Some comments are replies to other comments. In those cases, $pid is the parent
* comment's cid.
*
* @return
* The rendered parent node or comment plus the new comment form.
*/
function comment_reply($node, $pid = NULL) {
// Set the breadcrumb trail.
drupal_set_breadcrumb(array(l(t('Home'), NULL), l($node->title, 'node/'. $node->nid)));
$op = isset($_POST['op']) ? $_POST['op'] : '';
$output = '';
if (user_access('access comments')) {
// The user is previewing a comment prior to submitting it.
if ($op == t('Preview')) {
if (user_access('post comments')) {
$output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), NULL);
}
else {
drupal_set_message(t('You are not authorized to post comments.'), 'error');
drupal_goto("node/$node->nid");
}
}
else {
// $pid indicates that this is a reply to a comment.
if ($pid) {
// load the comment whose cid = $pid
if ($comment = db_fetch_object(db_query('SELECT c.*, u.uid, u.name AS registered_name, u.signature, u.picture, u.data FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d AND c.status = %d', $pid, COMMENT_PUBLISHED))) {
// If that comment exists, make sure that the current comment and the parent comment both
// belong to the same parent node.
if ($comment->nid != $node->nid) {
// Attempting to reply to a comment not belonging to the current nid.
drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
drupal_goto("node/$node->nid");
}
// Display the parent comment
$comment = drupal_unpack($comment);
$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
$output .= theme('comment_view', $comment, $node);
}
else {
drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
drupal_goto("node/$node->nid");
}
}
// This is the case where the comment is in response to a node. Display the node.
else if (user_access('access content')) {
$output .= node_view($node);
}
// Should we show the reply box?
if (node_comment_mode($node->nid) != COMMENT_NODE_READ_WRITE) {
drupal_set_message(t("This discussion is closed: you can't post new comments."), 'error');
drupal_goto("node/$node->nid");
}
else if (user_access('post comments')) {
$output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), t('Reply'));
}
else {
drupal_set_message(t('You are not authorized to post comments.'), 'error');
drupal_goto("node/$node->nid");
}
}
}
else {
drupal_set_message(t('You are not authorized to view comments.'), 'error');
drupal_goto("node/$node->nid");
}
return $output;
}
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