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<?php
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/**
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* @file
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* Admin page callbacks for the comment module.
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*/
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/**
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* Menu callback; present an administrative comment listing.
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*/
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function comment_admin($type = 'new') {
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$edit = $_POST;
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if (isset($edit['operation']) && ($edit['operation'] == 'delete') && isset($edit['comments']) && $edit['comments']) {
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return drupal_get_form('comment_multiple_delete_confirm');
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}
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else {
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return drupal_get_form('comment_admin_overview', $type);
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}
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}
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/**
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* Form builder for the comment overview administration form.
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*
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* @param $arg
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* Current path's fourth component: the type of overview form ('approval' or
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* 'new').
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*
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* @ingroup forms
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* @see comment_admin_overview_validate()
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* @see comment_admin_overview_submit()
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* @see theme_comment_admin_overview()
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*/
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function comment_admin_overview($form, &$form_state, $arg) {
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// Build an 'Update options' form.
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$form['options'] = array(
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'#type' => 'fieldset',
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'#title' => t('Update options'),
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'#attributes' => array('class' => array('container-inline')),
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);
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if ($arg == 'approval') {
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$options['publish'] = t('Publish the selected comments');
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}
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else {
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$options['unpublish'] = t('Unpublish the selected comments');
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}
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$options['delete'] = t('Delete the selected comments');
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$form['options']['operation'] = array(
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'#type' => 'select',
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'#title' => t('Operation'),
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'#title_display' => 'invisible',
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'#options' => $options,
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'#default_value' => 'publish',
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);
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$form['options']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Update'),
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);
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// Load the comments that need to be displayed.
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$status = ($arg == 'approval') ? COMMENT_NOT_PUBLISHED : COMMENT_PUBLISHED;
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$header = array(
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'subject' => array('data' => t('Subject'), 'field' => 'subject'),
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'author' => array('data' => t('Author'), 'field' => 'name'),
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'posted_in' => array('data' => t('Posted in'), 'field' => 'node_title'),
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'changed' => array('data' => t('Updated'), 'field' => 'c.changed', 'sort' => 'desc'),
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'operations' => array('data' => t('Operations')),
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);
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$query = db_select('comment', 'c')->extend('PagerDefault')->extend('TableSort');
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$query->join('node', 'n', 'n.nid = c.nid');
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$query->addField('n', 'title', 'node_title');
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$query->addTag('node_access');
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$result = $query
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->fields('c', array('cid', 'subject', 'name', 'changed'))
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->condition('c.status', $status)
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->limit(50)
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->orderByHeader($header)
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->execute();
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$cids = array();
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// We collect a sorted list of node_titles during the query to attach to the
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// comments later.
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foreach ($result as $row) {
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$cids[] = $row->cid;
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$node_titles[] = $row->node_title;
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}
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$comments = comment_load_multiple($cids);
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// Build a table listing the appropriate comments.
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$options = array();
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$destination = drupal_get_destination();
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foreach ($comments as $comment) {
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// Remove the first node title from the node_titles array and attach to
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// the comment.
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$comment->node_title = array_shift($node_titles);
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$comment_body = field_get_items('comment', $comment, 'comment_body');
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$options[$comment->cid] = array(
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'subject' => array(
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'data' => array(
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'#type' => 'link',
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'#title' => $comment->subject,
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'#href' => 'comment/' . $comment->cid,
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'#options' => array('attributes' => array('title' => truncate_utf8($comment_body[0]['value'], 128)), 'fragment' => 'comment-' . $comment->cid),
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),
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),
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'author' => theme('username', array('account' => $comment)),
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'posted_in' => array(
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'data' => array(
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'#type' => 'link',
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'#title' => $comment->node_title,
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'#href' => 'node/' . $comment->nid,
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),
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),
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'changed' => format_date($comment->changed, 'short'),
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'operations' => array(
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'data' => array(
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'#type' => 'link',
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'#title' => t('edit'),
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'#href' => 'comment/' . $comment->cid . '/edit',
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'#options' => array('query' => $destination),
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),
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),
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);
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}
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$form['comments'] = array(
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'#type' => 'tableselect',
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'#header' => $header,
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'#options' => $options,
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'#empty' => t('No comments available.'),
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);
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$form['pager'] = array('#theme' => 'pager');
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return $form;
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}
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/**
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* Validate comment_admin_overview form submissions.
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*/
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function comment_admin_overview_validate($form, &$form_state) {
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$form_state['values']['comments'] = array_diff($form_state['values']['comments'], array(0));
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// We can't execute any 'Update options' if no comments were selected.
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if (count($form_state['values']['comments']) == 0) {
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form_set_error('', t('Select one or more comments to perform the update on.'));
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}
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}
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/**
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* Process comment_admin_overview form submissions.
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*
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* Execute the chosen 'Update option' on the selected comments, such as
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* publishing, unpublishing or deleting.
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*/
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function comment_admin_overview_submit($form, &$form_state) {
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$operation = $form_state['values']['operation'];
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$cids = $form_state['values']['comments'];
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if ($operation == 'delete') {
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comment_delete_multiple($cids);
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}
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else {
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foreach ($cids as $cid => $value) {
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$comment = comment_load($value);
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if ($operation == 'unpublish') {
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$comment->status = COMMENT_NOT_PUBLISHED;
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}
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elseif ($operation == 'publish') {
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$comment->status = COMMENT_PUBLISHED;
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}
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comment_save($comment);
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}
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}
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drupal_set_message(t('The update has been performed.'));
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$form_state['redirect'] = 'admin/content/comment';
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cache_clear_all();
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}
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/**
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* List the selected comments and verify that the admin wants to delete them.
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*
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* @param $form_state
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* An associative array containing the current state of the form.
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* @return
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* TRUE if the comments should be deleted, FALSE otherwise.
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* @ingroup forms
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* @see comment_multiple_delete_confirm_submit()
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*/
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function comment_multiple_delete_confirm($form, &$form_state) {
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$edit = $form_state['input'];
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$form['comments'] = array(
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'#prefix' => '<ul>',
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'#suffix' => '</ul>',
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'#tree' => TRUE,
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);
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// array_filter() returns only elements with actual values.
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$comment_counter = 0;
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foreach (array_filter($edit['comments']) as $cid => $value) {
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$comment = comment_load($cid);
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if (is_object($comment) && is_numeric($comment->cid)) {
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$subject = db_query('SELECT subject FROM {comment} WHERE cid = :cid', array(':cid' => $cid))->fetchField();
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$form['comments'][$cid] = array('#type' => 'hidden', '#value' => $cid, '#prefix' => '<li>', '#suffix' => check_plain($subject) . '</li>');
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$comment_counter++;
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}
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}
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$form['operation'] = array('#type' => 'hidden', '#value' => 'delete');
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if (!$comment_counter) {
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drupal_set_message(t('There do not appear to be any comments to delete, or your selected comment was deleted by another administrator.'));
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drupal_goto('admin/content/comment');
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}
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else {
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return confirm_form($form,
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t('Are you sure you want to delete these comments and all their children?'),
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'admin/content/comment', t('This action cannot be undone.'),
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t('Delete comments'), t('Cancel'));
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}
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}
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/**
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* Process comment_multiple_delete_confirm form submissions.
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*/
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function comment_multiple_delete_confirm_submit($form, &$form_state) {
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if ($form_state['values']['confirm']) {
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comment_delete_multiple(array_keys($form_state['values']['comments']));
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cache_clear_all();
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$count = count($form_state['values']['comments']);
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watchdog('content', 'Deleted @count comments.', array('@count' => $count));
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drupal_set_message(format_plural($count, 'Deleted 1 comment.', 'Deleted @count comments.'));
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}
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$form_state['redirect'] = 'admin/content/comment';
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}
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/**
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* Page callback for comment deletions.
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*/
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function comment_confirm_delete_page($cid) {
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if ($comment = comment_load($cid)) {
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return drupal_get_form('comment_confirm_delete', $comment);
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}
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return MENU_NOT_FOUND;
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}
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/**
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* Form builder; Builds the confirmation form for deleting a single comment.
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*
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* @ingroup forms
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* @see comment_confirm_delete_submit()
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*/
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function comment_confirm_delete($form, &$form_state, $comment) {
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$form['#comment'] = $comment;
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// Always provide entity id in the same form key as in the entity edit form.
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$form['cid'] = array('#type' => 'value', '#value' => $comment->cid);
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return confirm_form(
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$form,
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t('Are you sure you want to delete the comment %title?', array('%title' => $comment->subject)),
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'node/' . $comment->nid,
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t('Any replies to this comment will be lost. This action cannot be undone.'),
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t('Delete'),
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t('Cancel'),
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'comment_confirm_delete');
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}
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/**
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* Process comment_confirm_delete form submissions.
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*/
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function comment_confirm_delete_submit($form, &$form_state) {
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$comment = $form['#comment'];
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// Delete the comment and its replies.
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comment_delete($comment->cid);
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drupal_set_message(t('The comment and all its replies have been deleted.'));
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watchdog('content', 'Deleted comment @cid and its replies.', array('@cid' => $comment->cid));
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// Clear the cache so an anonymous user sees that his comment was deleted.
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cache_clear_all();
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$form_state['redirect'] = "node/$comment->nid";
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}
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