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<?php
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// $Id: notindb.admin.inc,v 1.1 2007/12/05 22:33:19 stuartgreenfield Exp $
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/**
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* @file
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* Callback and functions to generate unreferenced files report
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*/
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/**
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* Menu callback: audit files not in the database.
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*/
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function auditfiles_unreferenced() {
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return drupal_get_form('auditfiles_unreferenced_form');
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}
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/**
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* Form definition for audit files not in database
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*/
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function auditfiles_unreferenced_form(&$form_state) {
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if (isset($form_state['storage']['confirm'])) {
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return auditfiles_unreferenced_form_confirm($form_state);
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}
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// Get the list of files that aren't in the database
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$filesunreferenced = _auditfiles_filesunreferenced();
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// Output count of files not in the database
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if ($filesunreferenced) {
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$form['count'] = array(
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'#value' => format_plural(count($filesunreferenced), '1 file found.', '@count files found.'),
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);
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}
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else {
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$form['count'] = array(
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'#value' => t('No files found.'),
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);
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}
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// Action button
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$form['options'] = array(
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'#type' => 'fieldset',
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'#title' => t('Action'),
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'#prefix' => '<div class="container-inline">',
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'#suffix' => '</div>',
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);
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$options = array(
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'donothing' => t('Do nothing'),
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'delete' => t('Delete checked files'),
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);
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$form['options']['operation'] = array(
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => 'donothing',
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);
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$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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// Process each result in turn and build check box list
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$files_dir = file_directory_path();
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$pathlen = strlen($files_dir)+1;
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$files=array();
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foreach ($filesunreferenced as $file) {
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$files[$file] = '';
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$filepath = substr($file, $pathlen);
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// Can't use file_create_url as the links fail if the site uses private transfers
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// Force a public url instead
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$basename = basename($file);
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$form['basename'][$file] = array('#value' => l($basename, 'admin/reports/auditfiles/unreferenced/'.$basename));
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$form['file'][$file] = array('#value' => l($filepath, $GLOBALS['base_url'] .'/'. str_replace('\\', '/', $file)));
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}
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// Add list of files to checkboxes
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$form['files'] = array('#type' => 'checkboxes', '#options' => $files);
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// Return form
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return $form;
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}
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/**
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* Theme auditfiles_unreferenced_form
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*/
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function theme_auditfiles_unreferenced_form($form) {
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// Render count
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$output = drupal_render($form['count']);
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// If there are files found
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if (isset($form['file']) && is_array($form['file'])) {
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// Render actions
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$output .= drupal_render($form['options']);
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// Construct table of files
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$header = array(
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t('Select'),
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t('Basename'),
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t('Path'),
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);
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foreach (element_children($form['file']) as $key) {
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$row = array();
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$row[] = drupal_render($form['files'][$key]);
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$row[] = drupal_render($form['basename'][$key]);
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$row[] = drupal_render($form['file'][$key]);
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$rows[] = $row;
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}
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// Render themed table
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$output .= theme('table', $header, $rows);
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}
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$output .= drupal_render($form);
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// Return output
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return $output;
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}
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function auditfiles_unreferenced_form_submit($form, &$form_state) {
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// drupal_set_message("submit form_state: ".dpr($form_state, TRUE));
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if ($form_state['clicked_button']['#id'] == 'edit-submit' &&
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$form_state['values']['options']['operation'] <> 'donothing') {
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$form_state['storage']['confirm'] = TRUE;
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$form_state['storage']['values'] = $form_state['values'];
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}
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}
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function auditfiles_unreferenced_form_confirm(&$form_state) {
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$values = $form_state['storage']['values'];
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drupal_set_message("form_confirm: values: ".dpr($values, TRUE));
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$form['changelist'] = array('#prefix' => '<ul>', '#suffix' => '</ul>', '#tree' => TRUE);
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// Note we iterate over fidvals, since no operation makes sense without a valid file
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$count = 0;
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foreach ($values['files'] as $key => $file) {
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if ($file) {
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$count++;
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// Limit what's displayed (also helps avoid max_allowed_packet errors)
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if ($count == 50) {
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$message = '...and many more...';
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} elseif ($count < 50) {
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$message = "Deleting file <strong>$file</strong>";
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}
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if ($message) {
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$form['changelist'][$key] = array('#type' => 'hidden', '#value' => $message,
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'#prefix' => '<li>', '#suffix' => $message ."</li>\n");
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unset($message);
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}
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}
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}
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$form['operation'] = array('#type' => 'hidden', '#value' => 'delete');
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$form['#submit'][] = 'auditfiles_unreferenced_form_confirm_submit';
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return confirm_form(
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$form,
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t('Are you sure you want to delete these files?'),
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'admin/reports/auditfiles/unreferenced',
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'<strong>'. t('This action cannot be undone.') .'</strong>',
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t('Process all'),
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t('Cancel')
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);
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}
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function auditfiles_unreferenced_form_confirm_submit($form, &$form_state) {
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// drupal_set_message('confirm_submit, form: '.dpr($form, TRUE));
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// drupal_set_message('confirm_submit, form_state: '.dpr($form_state, TRUE));
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if ($form_state['values']['confirm']) {
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$values = $form_state['storage']['values'];
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drupal_set_message("in confirm_submit, values: ".dpr($values,TRUE));
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foreach ($values['files'] as $filename) {
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if ($filename) {
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db_query("DELETE FROM {files}
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WHERE filepath='%s'",
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$filename);
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if (file_delete(file_create_path($filename))) {
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watchdog('audit', '%file was deleted', array('%file' => $filename));
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}
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else {
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drupal_set_message(t('Failed to delete %file', array('%file' => $filename)));
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}
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}
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}
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// Clear so our return to the primary form doesn't think we're going to the confirmation form
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unset($form_state['storage']['confirm']);
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}
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}
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/**
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* Helper function - retrieve sorted list of files that are in {files}
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* but not in {upload}
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*/
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function _auditfiles_filesunreferenced() {
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// Prepare array to hold results
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$filesunreferenced = array();
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// Get all the files out the {files} table and store as qualified path
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$result = db_query('SELECT f.filepath
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FROM {files} f
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LEFT JOIN {upload} u ON f.fid = u.fid
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WHERE u.fid IS NULL
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ORDER BY filepath ASC');
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while ($file = db_fetch_object($result)) {
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$filesunreferenced[] = file_create_path($file->filepath);
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}
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return $filesunreferenced;
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}
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function auditfiles_node_references_form($form_state, $basename) {
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$form['description'] = array(
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'#prefix' => '<div>',
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'#value' => t("The nodes listed below reference the filename <strong>$basename</strong>,
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but there is no record of the reference in the Drupal database. Review these nodes to
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determine how they're referencing the file.
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"),
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'#suffix' => '</div>',
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);
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$result = db_query("SELECT nr.nid,nr.title
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FROM {node_revisions} nr
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WHERE nr.body LIKE '%%%s%%'",
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$basename);
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while ($node = db_fetch_object($result)) {
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drupal_set_message("nid=$node->nid, title=$node->title");
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$form['node'][$file] = array('#value' => l($node->title, 'node/'.$node->nid));
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}
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return $form;
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}
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/**
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* Theme auditfiles_unreferenced_form
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*/
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function theme_auditfiles_node_references_form($form) {
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// Render count
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$output = drupal_render($form['description']);
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// If there are files found
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if (isset($form['node']) && is_array($form['node'])) {
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// Construct table of files
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$header = array(
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t('Matching nodes'),
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);
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foreach (element_children($form['node']) as $key) {
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$row = array();
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$row[] = drupal_render($form['node'][$key]);
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$rows[] = $row;
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}
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// Render themed table
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$output .= theme('table', $header, $rows);
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}
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$output .= drupal_render($form);
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// Return output
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return $output;
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}
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