admin/searchareas.php

   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  * Manage global search areas.
  19  *
  20  * @package   core_search
  21  * @copyright 2016 Dan Poltawski <dan@moodle.com>
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24 require_once(__DIR__ . '/../config.php');
  25 require_once($CFG->libdir . '/adminlib.php');
  26
  27 admin_externalpage_setup('searchareas');
  28
  29 $areaid = optional_param('areaid', null, PARAM_ALPHAEXT);
  30 $action = optional_param('action', null, PARAM_ALPHA);
  31 $indexingenabled = \core_search\manager::is_indexing_enabled(); // This restricts many of the actions on this page.
  32
  33 // Get a search manager instance, which we'll need for display and to handle some actions.
  34 try {
  35     $searchmanager = \core_search\manager::instance();
  36 } catch (core_search\engine_exception $searchmanagererror) {
  37     // In action cases, we'll throw this exception below. In non-action cases, we produce a lang string error.
  38 }
  39
  40 // Handle all the actions.
  41 if ($action) {
  42     // If dealing with an areaid, we need to check that the area exists.
  43     if ($areaid) {
  44         $area = \core_search\manager::get_search_area($areaid);
  45         if ($area === false) {
  46             throw new moodle_exception('invalidrequest');
  47         }
  48     }
  49
  50     // All the indexing actions.
  51     if (in_array($action, ['delete', 'indexall', 'reindexall', 'deleteall'])) {
  52
  53         // All of these actions require that indexing is enabled.
  54         if ($indexingenabled) {
  55
  56             // For all of these actions, we strictly need a manager instance.
  57             if (isset($searchmanagererror)) {
  58                 throw $searchmanagererror;
  59             }
  60
  61             // Show confirm prompt for all these actions as they may be inadvisable, or may cause
  62             // an interruption in search functionality, on production systems.
  63             if (!optional_param('confirm', 0, PARAM_INT)) {
  64                 // Display confirmation prompt.
  65                 $a = null;
  66                 if ($areaid) {
  67                     $a = html_writer::tag('strong', $area->get_visible_name());
  68                 }
  69
  70                 $actionparams = ['sesskey' => sesskey(), 'action' => $action, 'confirm' => 1];
  71                 if ($areaid) {
  72                     $actionparams['areaid'] = $areaid;
  73                 }
  74                 $actionurl = new moodle_url('/admin/searchareas.php', $actionparams);
  75                 $cancelurl = new moodle_url('/admin/searchareas.php');
  76                 echo $OUTPUT->header();
  77                 echo $OUTPUT->confirm(get_string('confirm_' . $action, 'search', $a),
  78                     new single_button($actionurl, get_string('continue'), 'post', true),
  79                     new single_button($cancelurl, get_string('cancel'), 'get'));
  80                 echo $OUTPUT->footer();
  81                 exit;
  82             } else {
  83                 // Confirmed, so run the required action.
  84                 require_sesskey();
  85
  86                 switch ($action) {
  87                     case 'delete':
  88                         $searchmanager->delete_index($areaid);
  89                         \core\notification::success(get_string('searchindexdeleted', 'admin'));
  90                         break;
  91                     case 'indexall':
  92                         $searchmanager->index();
  93                         \core\notification::success(get_string('searchindexupdated', 'admin'));
  94                         break;
  95                     case 'reindexall':
  96                         $searchmanager->index(true);
  97                         \core\notification::success(get_string('searchreindexed', 'admin'));
  98                         break;
  99                     case 'deleteall':
 100                         $searchmanager->delete_index();
 101                         \core\notification::success(get_string('searchalldeleted', 'admin'));
 102                         break;
 103                     default:
 104                         break;
 105                 }
 106
 107                 // Redirect back to the main page after taking action.
 108                 redirect(new moodle_url('/admin/searchareas.php'));
 109             }
 110         }
 111     } else if (in_array($action, ['enable', 'disable'])) {
 112         // Toggling search areas requires no confirmation.
 113         require_sesskey();
 114
 115         switch ($action) {
 116             case 'enable':
 117                 $area->set_enabled(true);
 118                 \core\notification::success(get_string('searchareaenabled', 'admin'));
 119                 break;
 120             case 'disable':
 121                 $area->set_enabled(false);
 122                 core\notification::success(get_string('searchareadisabled', 'admin'));
 123                 break;
 124             default:
 125                 break;
 126         }
 127
 128         redirect(new moodle_url('/admin/searchareas.php'));
 129     } else {
 130         // Invalid action.
 131         throw new moodle_exception('invalidaction');
 132     }
 133 }
 134
 135
 136 // Display.
 137 if (isset($searchmanager) && $indexingenabled) {
 138     \core\notification::info(get_string('indexinginfo', 'admin'));
 139 } else if (isset($searchmanager)) {
 140     $params = (object) [
 141         'url' => (new moodle_url("/admin/settings.php?section=manageglobalsearch#admin-searchindexwhendisabled"))->out(false)
 142     ];
 143     \core\notification::error(get_string('indexwhendisabledfullnotice', 'search', $params));
 144 } else {
 145     // In non-action cases, init errors are translated and displayed to the user as error notifications.
 146     $errorstr = get_string($searchmanagererror->errorcode, $searchmanagererror->module, $searchmanagererror->a);
 147     \core\notification::error($errorstr);
 148 }
 149
 150 echo $OUTPUT->header();
 151
 152 $table = new html_table();
 153 $table->id = 'core-search-areas';
 154 $table->head = [
 155     get_string('searcharea', 'search'),
 156     get_string('enable'),
 157     get_string('newestdocindexed', 'admin'),
 158     get_string('searchlastrun', 'admin'),
 159     get_string('searchindexactions', 'admin')
 160 ];
 161
 162 $searchareas = \core_search\manager::get_search_areas_list();
 163 $areasconfig = isset($searchmanager) ? $searchmanager->get_areas_config($searchareas) : false;
 164 foreach ($searchareas as $area) {
 165     $areaid = $area->get_area_id();
 166     $columns = array(new html_table_cell($area->get_visible_name()));
 167
 168     if ($area->is_enabled()) {
 169         $columns[] = $OUTPUT->action_icon(admin_searcharea_action_url('disable', $areaid),
 170             new pix_icon('t/hide', get_string('disable'), 'moodle', array('title' => '', 'class' => 'iconsmall')),
 171             null, array('title' => get_string('disable')));
 172
 173         if ($areasconfig && $indexingenabled) {
 174             $columns[] = $areasconfig[$areaid]->lastindexrun;
 175
 176             if ($areasconfig[$areaid]->indexingstart) {
 177                 $timediff = $areasconfig[$areaid]->indexingend - $areasconfig[$areaid]->indexingstart;
 178                 $laststatus = $timediff . ' , ' .
 179                     $areasconfig[$areaid]->docsprocessed . ' , ' .
 180                     $areasconfig[$areaid]->recordsprocessed . ' , ' .
 181                     $areasconfig[$areaid]->docsignored;
 182                 if ($areasconfig[$areaid]->partial) {
 183                     $laststatus .= ' ' . get_string('searchpartial', 'admin');
 184                 }
 185             } else {
 186                 $laststatus = '';
 187             }
 188             $columns[] = $laststatus;
 189             $accesshide = html_writer::span($area->get_visible_name(), 'accesshide');
 190             $actions = [];
 191             $actions[] = $OUTPUT->pix_icon('t/delete', '') .
 192                     html_writer::link(admin_searcharea_action_url('delete', $areaid),
 193                     get_string('deleteindex', 'search', $accesshide));
 194             if ($area->supports_get_document_recordset()) {
 195                 $actions[] = $OUTPUT->pix_icon('i/reload', '') . html_writer::link(
 196                         new moodle_url('searchreindex.php', ['areaid' => $areaid]),
 197                         get_string('gradualreindex', 'search', $accesshide));
 198             }
 199             $columns[] = html_writer::alist($actions, ['class' => 'unstyled list-unstyled']);
 200
 201         } else {
 202             if (!$areasconfig) {
 203                 $blankrow = new html_table_cell(get_string('searchnotavailable', 'admin'));
 204             } else {
 205                 $blankrow = new html_table_cell(get_string('indexwhendisabledshortnotice', 'search'));
 206             }
 207             $blankrow->colspan = 3;
 208             $columns[] = $blankrow;
 209         }
 210
 211     } else {
 212         $columns[] = $OUTPUT->action_icon(admin_searcharea_action_url('enable', $areaid),
 213             new pix_icon('t/show', get_string('enable'), 'moodle', array('title' => '', 'class' => 'iconsmall')),
 214                 null, array('title' => get_string('enable')));
 215
 216         $blankrow = new html_table_cell(get_string('searchareadisabled', 'admin'));
 217         $blankrow->colspan = 3;
 218         $columns[] = $blankrow;
 219     }
 220     $row = new html_table_row($columns);
 221     $table->data[] = $row;
 222 }
 223
 224 // Cross-search area tasks.
 225 $options = (isset($searchmanager) && $indexingenabled) ? [] : ['disabled' => true];
 226 echo $OUTPUT->box_start('search-areas-actions');
 227 echo $OUTPUT->single_button(admin_searcharea_action_url('indexall'), get_string('searchupdateindex', 'admin'), 'get', $options);
 228 echo $OUTPUT->single_button(admin_searcharea_action_url('reindexall'), get_string('searchreindexindex', 'admin'), 'get', $options);
 229 echo $OUTPUT->single_button(admin_searcharea_action_url('deleteall'), get_string('searchdeleteindex', 'admin'), 'get', $options);
 230 echo $OUTPUT->box_end();
 231
 232 echo html_writer::table($table);
 233
 234 if (isset($searchmanager)) {
 235     // Show information about queued index requests for specific contexts.
 236     $searchrenderer = $PAGE->get_renderer('core_search');
 237     echo $searchrenderer->render_index_requests_info($searchmanager->get_index_requests_info());
 238 }
 239
 240 echo $OUTPUT->footer();
 241
 242 /**
 243  * Helper for generating url for management actions.
 244  *
 245  * @param string $action
 246  * @param string $areaid
 247  * @return moodle_url
 248  */
 249 function admin_searcharea_action_url($action, $areaid = false) {
 250     $params = array('action' => $action);
 251     if ($areaid) {
 252         $params['areaid'] = $areaid;
 253     }
 254     if ($action === 'disable' || $action === 'enable') {
 255         $params['sesskey'] = sesskey();
 256     }
 257     return new moodle_url('/admin/searchareas.php', $params);
 258 }