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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /*
  19   * Comments management interface
  20   *
  21   * @package   core
  22   * @copyright 2010 Dongsheng Cai {@link http://dongsheng.org}
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  require_once('../config.php');
  26  require_once($CFG->libdir.'/adminlib.php');
  27  require_once($CFG->dirroot.'/comment/locallib.php');
  28  
  29  require_login();
  30  admin_externalpage_setup('comments', '', null, '', array('pagelayout'=>'report'));
  31  
  32  $context = context_system::instance();
  33  require_capability('moodle/comment:delete', $context);
  34  
  35  $PAGE->requires->js_init_call('M.core_comment.init_admin', null, true);
  36  
  37  $action     = optional_param('action', '', PARAM_ALPHA);
  38  $commentid  = optional_param('commentid', 0, PARAM_INT);
  39  $commentids = optional_param('commentids', '', PARAM_ALPHANUMEXT);
  40  $page       = optional_param('page', 0, PARAM_INT);
  41  $confirm    = optional_param('confirm', 0, PARAM_INT);
  42  
  43  $manager = new comment_manager();
  44  
  45  if ($action and !confirm_sesskey()) {
  46      // no action if sesskey not confirmed
  47      $action = '';
  48  }
  49  
  50  if ($action === 'delete') {
  51      // delete a single comment
  52      if (!empty($commentid)) {
  53          if (!$confirm) {
  54              echo $OUTPUT->header();
  55              $optionsyes = array('action'=>'delete', 'commentid'=>$commentid, 'confirm'=>1, 'sesskey'=>sesskey());
  56              $optionsno  = array('sesskey'=>sesskey());
  57              $buttoncontinue = new single_button(new moodle_url('/comment/index.php', $optionsyes), get_string('delete'));
  58              $buttoncancel = new single_button(new moodle_url('/comment/index.php', $optionsno), get_string('cancel'));
  59              echo $OUTPUT->confirm(get_string('confirmdeletecomments', 'admin'), $buttoncontinue, $buttoncancel);
  60              echo $OUTPUT->footer();
  61              die;
  62          } else {
  63              if ($manager->delete_comment($commentid)) {
  64                  redirect($CFG->httpswwwroot.'/comment/');
  65              } else {
  66                  $err = 'cannotdeletecomment';
  67              }
  68          }
  69      }
  70      // delete a list of comments
  71      if (!empty($commentids)) {
  72          if ($manager->delete_comments($commentids)) {
  73              die('yes');
  74          } else {
  75              die('no');
  76          }
  77      }
  78  }
  79  
  80  echo $OUTPUT->header();
  81  echo $OUTPUT->heading(get_string('comments'));
  82  echo $OUTPUT->box_start('generalbox commentsreport');
  83  if (!empty($err)) {
  84      print_error($err, 'error', $CFG->httpswwwroot.'/comment/');
  85  }
  86  if (empty($action)) {
  87      echo '<form method="post">';
  88      $return = $manager->print_comments($page);
  89      // if no comments available, $return will be false
  90      if ($return) {
  91          echo '<input type="submit" id="comments_delete" name="batchdelete" value="'.get_string('delete').'" />';
  92      }
  93      echo '</form>';
  94  }
  95  
  96  echo $OUTPUT->box_end();
  97  echo $OUTPUT->footer();