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   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   * Enrol config manipulation script.
  19   *
  20   * @package    core
  21   * @subpackage enrol
  22   * @copyright  2010 Petr Skoda {@link http://skodak.org}
  23   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26  define('NO_OUTPUT_BUFFERING', true);
  27  
  28  require_once('../config.php');
  29  require_once($CFG->libdir.'/adminlib.php');
  30  
  31  $action  = required_param('action', PARAM_ALPHANUMEXT);
  32  $enrol   = required_param('enrol', PARAM_PLUGIN);
  33  $confirm = optional_param('confirm', 0, PARAM_BOOL);
  34  
  35  $PAGE->set_url('/admin/enrol.php');
  36  $PAGE->set_context(context_system::instance());
  37  
  38  require_login();
  39  require_capability('moodle/site:config', context_system::instance());
  40  require_sesskey();
  41  
  42  $enabled = enrol_get_plugins(true);
  43  $all     = enrol_get_plugins(false);
  44  
  45  $return = new moodle_url('/admin/settings.php', array('section'=>'manageenrols'));
  46  
  47  $syscontext = context_system::instance();
  48  
  49  switch ($action) {
  50      case 'disable':
  51          unset($enabled[$enrol]);
  52          set_config('enrol_plugins_enabled', implode(',', array_keys($enabled)));
  53          core_plugin_manager::reset_caches();
  54          $syscontext->mark_dirty(); // resets all enrol caches
  55          break;
  56  
  57      case 'enable':
  58          if (!isset($all[$enrol])) {
  59              break;
  60          }
  61          $enabled = array_keys($enabled);
  62          $enabled[] = $enrol;
  63          set_config('enrol_plugins_enabled', implode(',', $enabled));
  64          core_plugin_manager::reset_caches();
  65          $syscontext->mark_dirty(); // resets all enrol caches
  66          break;
  67  
  68      case 'up':
  69          if (!isset($enabled[$enrol])) {
  70              break;
  71          }
  72          $enabled = array_keys($enabled);
  73          $enabled = array_flip($enabled);
  74          $current = $enabled[$enrol];
  75          if ($current == 0) {
  76              break; //already at the top
  77          }
  78          $enabled = array_flip($enabled);
  79          $enabled[$current] = $enabled[$current - 1];
  80          $enabled[$current - 1] = $enrol;
  81          set_config('enrol_plugins_enabled', implode(',', $enabled));
  82          break;
  83  
  84      case 'down':
  85          if (!isset($enabled[$enrol])) {
  86              break;
  87          }
  88          $enabled = array_keys($enabled);
  89          $enabled = array_flip($enabled);
  90          $current = $enabled[$enrol];
  91          if ($current == count($enabled) - 1) {
  92              break; //already at the end
  93          }
  94          $enabled = array_flip($enabled);
  95          $enabled[$current] = $enabled[$current + 1];
  96          $enabled[$current + 1] = $enrol;
  97          set_config('enrol_plugins_enabled', implode(',', $enabled));
  98          break;
  99  
 100      case 'migrate':
 101          if (get_string_manager()->string_exists('pluginname', 'enrol_'.$enrol)) {
 102              $strplugin = get_string('pluginname', 'enrol_'.$enrol);
 103          } else {
 104              $strplugin = $enrol;
 105          }
 106  
 107          $PAGE->set_title($strplugin);
 108          echo $OUTPUT->header();
 109  
 110          // This may take a long time.
 111          core_php_time_limit::raise();
 112  
 113          // Disable plugin to prevent concurrent cron execution.
 114          unset($enabled[$enrol]);
 115          set_config('enrol_plugins_enabled', implode(',', array_keys($enabled)));
 116  
 117          echo $OUTPUT->heading(get_string('uninstallmigrating', 'enrol', 'enrol_'.$enrol));
 118  
 119          require_once("$CFG->dirroot/enrol/manual/locallib.php");
 120          enrol_manual_migrate_plugin_enrolments($enrol);
 121  
 122          echo $OUTPUT->notification(get_string('success'), 'notifysuccess');
 123  
 124          if (!$return = core_plugin_manager::instance()->get_uninstall_url('enrol_'.$enrol, 'manage')) {
 125              $return = new moodle_url('/admin/plugins.php');
 126          }
 127          echo $OUTPUT->continue_button($return);
 128          echo $OUTPUT->footer();
 129          exit;
 130  }
 131  
 132  
 133  redirect($return);