142 lines
4.7 KiB
PHP
142 lines
4.7 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* User page callbacks for the comment module.
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*/
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/**
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* Form builder; generate a comment editing form.
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*
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* @param $cid
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* ID of the comment to be edited.
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* @ingroup forms
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*/
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function comment_edit($cid) {
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global $user;
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$comment = db_query('SELECT c.*, u.uid, u.name AS registered_name, u.data FROM {comment} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = :cid', array(':cid'=>$cid) )->fetchObject();
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$comment = drupal_unpack($comment);
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$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
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if (comment_access('edit', $comment)) {
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return comment_form_box((array)$comment);
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}
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else {
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drupal_access_denied();
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}
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}
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/**
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* This function is responsible for generating a comment reply form.
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* There are several cases that have to be handled, including:
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* - replies to comments
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* - replies to nodes
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* - attempts to reply to nodes that can no longer accept comments
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* - respecting access permissions ('access comments', 'post comments', etc.)
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*
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* The node or comment that is being replied to must appear above the comment
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* form to provide the user context while authoring the comment.
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*
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* @param $node
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* Every comment belongs to a node. This is that node.
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*
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* @param $pid
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* Some comments are replies to other comments. In those cases, $pid is the parent
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* comment's cid.
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*
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* @return
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* The rendered parent node or comment plus the new comment form.
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*/
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function comment_reply($node, $pid = NULL) {
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// Set the breadcrumb trail.
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drupal_set_breadcrumb(array(l(t('Home'), NULL), l($node->title, 'node/' . $node->nid)));
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$op = isset($_POST['op']) ? $_POST['op'] : '';
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$output = '';
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if (user_access('access comments')) {
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// The user is previewing a comment prior to submitting it.
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if ($op == t('Preview')) {
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if (user_access('post comments')) {
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$output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), NULL);
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}
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else {
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drupal_set_message(t('You are not authorized to post comments.'), 'error');
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drupal_goto("node/$node->nid");
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}
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}
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else {
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// $pid indicates that this is a reply to a comment.
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if ($pid) {
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// Load the comment whose cid = $pid
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$comment = db_query('SELECT c.*, u.uid, u.name AS registered_name, u.signature, u.picture, u.data FROM {comment} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = :cid AND c.status = :status', array(
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':cid'=>$pid,
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':status'=>COMMENT_PUBLISHED))->fetchObject();
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if ( $comment ) {
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// If that comment exists, make sure that the current comment and the
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// parent comment both belong to the same parent node.
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if ($comment->nid != $node->nid) {
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// Attempting to reply to a comment not belonging to the current nid.
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drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
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drupal_goto("node/$node->nid");
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}
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// Display the parent comment
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$comment = drupal_unpack($comment);
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$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
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$output .= theme('comment_view', $comment, $node);
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}
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else {
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drupal_set_message(t('The comment you are replying to does not exist.'), 'error');
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drupal_goto("node/$node->nid");
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}
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}
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// This is the case where the comment is in response to a node. Display the node.
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elseif (user_access('access content')) {
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$output .= node_view($node);
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}
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// Should we show the reply box?
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if (node_comment_mode($node->nid) != COMMENT_NODE_READ_WRITE) {
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drupal_set_message(t("This discussion is closed: you can't post new comments."), 'error');
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drupal_goto("node/$node->nid");
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}
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elseif (user_access('post comments')) {
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$output .= comment_form_box(array('pid' => $pid, 'nid' => $node->nid), t('Reply'));
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}
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else {
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drupal_set_message(t('You are not authorized to post comments.'), 'error');
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drupal_goto("node/$node->nid");
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}
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}
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}
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else {
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drupal_set_message(t('You are not authorized to view comments.'), 'error');
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drupal_goto("node/$node->nid");
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}
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return $output;
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}
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/**
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* Publish specified comment.
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*
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* @param $cid ID of comment to be published.
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*/
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function comment_approve($cid) {
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// Load the comment whose cid = $cid
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if ($comment = comment_load($cid)) {
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$operations = comment_operations('publish');
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$query = $operations['publish'][1];
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$query
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->condition('cid', $cid )
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->execute();
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drupal_set_message(t('Comment approved.'));
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drupal_goto("node/$comment->nid");
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}
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else {
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drupal_set_message(t('The comment you are approving does not exist.'), 'error');
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drupal_goto();
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}
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}
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