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Developer Documentation


Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
  •    1  <?php
       2  // This file is part of Moodle - http://moodle.org/
       3  //
       4  // Moodle is free software: you can redistribute it and/or modify
       5  // it under the terms of the GNU General Public License as published by
       6  // the Free Software Foundation, either version 3 of the License, or
       7  // (at your option) any later version.
       8  //
       9  // Moodle is distributed in the hope that it will be useful,
      10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
      11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12  // GNU General Public License for more details.
      13  //
      14  // You should have received a copy of the GNU General Public License
      15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
      16  
      17  
      18  /**
      19   * Form page for an external blog link.
      20   *
      21   * @package    moodlecore
      22   * @subpackage blog
      23   * @copyright  2009 Nicolas Connault
      24   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
      25   */
      26  
      27  require_once('../config.php');
      28  require_once ('lib.php');
      29  require_once ('external_blog_edit_form.php');
      30  require_once($CFG->libdir . '/simplepie/moodle_simplepie.php');
      31  
      32  require_login();
      33  $context = context_system::instance();
      34  require_capability('moodle/blog:manageexternal', $context);
      35  
      36  // TODO redirect if $CFG->useexternalblogs is off,
      37  //                  $CFG->maxexternalblogsperuser == 0,
      38  //                  or if user doesn't have caps to manage external blogs.
      39  
      40  $id = optional_param('id', null, PARAM_INT);
      41  $url = new moodle_url('/blog/external_blog_edit.php');
      42  if ($id !== null) {
      43      $url->param('id', $id);
      44  }
      45  $PAGE->set_url($url);
      46  $PAGE->set_context(context_user::instance($USER->id));
      47  $PAGE->set_pagelayout('admin');
      48  
      49  $returnurl = new moodle_url('/blog/external_blogs.php');
      50  
      51  $action = (empty($id)) ? 'add' : 'edit';
      52  
      53  $external = new stdClass();
      54  
      55  // Retrieve the external blog record.
      56  if (!empty($id)) {
      57      if (!$external = $DB->get_record('blog_external', array('id' => $id, 'userid' => $USER->id))) {
      58          print_error('wrongexternalid', 'blog');
      59      }
      60      $external->autotags = core_tag_tag::get_item_tags_array('core', 'blog_external', $id);
      61  }
      62  
      63  $strformheading = ($action == 'edit') ? get_string('editexternalblog', 'blog') : get_string('addnewexternalblog', 'blog');
      64  $strexternalblogs = get_string('externalblogs', 'blog');
      65  $strblogs = get_string('blogs', 'blog');
      66  
      67  $externalblogform = new blog_edit_external_form();
      68  
      69  if ($externalblogform->is_cancelled()) {
      70      redirect($returnurl);
      71  
      72  } else if ($data = $externalblogform->get_data()) {
      73      // Save stuff in db.
      74      switch ($action) {
      75          case 'add':
      76              $rss = new moodle_simplepie($data->url);
      77  
      78              $newexternal = new stdClass();
      79              $newexternal->name = (empty($data->name)) ? $rss->get_title() : $data->name;
      80              $newexternal->description = (empty($data->description)) ? $rss->get_description() : $data->description;
      81              $newexternal->userid = $USER->id;
      82              $newexternal->url = $data->url;
      83              $newexternal->filtertags = (!empty($data->filtertags)) ? $data->filtertags : null;
      84              $newexternal->timemodified = time();
      85  
      86              $newexternal->id = $DB->insert_record('blog_external', $newexternal);
      87              core_tag_tag::set_item_tags('core', 'blog_external', $newexternal->id,
      88                      context_user::instance($newexternal->userid), $data->autotags);
      89              blog_sync_external_entries($newexternal);
      90  
      91              // Log this action.
      92              $eventparms = array('context' => $context,
      93                  'objectid' => $newexternal->id,
      94                  'other' => array('url' => $newexternal->url));
      95              $event = \core\event\blog_external_added::create($eventparms);
      96              $event->trigger();
      97  
      98              break;
      99  
     100          case 'edit':
     101              if ($data->id && $DB->record_exists('blog_external', array('id' => $data->id))) {
     102  
     103                  $rss = new moodle_simplepie($data->url);
     104  
     105                  $external->id = $data->id;
     106                  $external->name = (empty($data->name)) ? $rss->get_title() : $data->name;
     107                  $external->description = (empty($data->description)) ? $rss->get_description() : $data->description;
     108                  $external->userid = $USER->id;
     109                  $external->url = $data->url;
     110                  $external->filtertags = (!empty($data->filtertags)) ? $data->filtertags : null;
     111                  $external->timemodified = time();
     112  
     113                  $DB->update_record('blog_external', $external);
     114  
     115                  // Log this action.
     116                  $eventparms = array('context' => $context,
     117                      'objectid' => $external->id,
     118                      'other' => array('url' => $external->url));
     119                  $event = \core\event\blog_external_updated::create($eventparms);
     120                  $event->trigger();
     121  
     122                  core_tag_tag::set_item_tags('core', 'blog_external', $external->id,
     123                          context_user::instance($external->userid), $data->autotags);
     124              } else {
     125                  print_error('wrongexternalid', 'blog');
     126              }
     127  
     128              break;
     129  
     130          default :
     131              print_error('invalidaction');
     132      }
     133  
     134      redirect($returnurl);
     135  }
     136  
     137  navigation_node::override_active_url(new moodle_url('/blog/external_blogs.php'));
     138  $PAGE->navbar->add(get_string('addnewexternalblog', 'blog'));
     139  
     140  $PAGE->set_heading(fullname($USER));
     141  $PAGE->set_title("$SITE->shortname: $strblogs: $strexternalblogs");
     142  
     143  echo $OUTPUT->header();
     144  echo $OUTPUT->heading($strformheading, 2);
     145  
     146  $externalblogform->set_data($external);
     147  $externalblogform->display();
     148  
     149  echo $OUTPUT->footer();
    

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