You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

225 lines
7.9 KiB

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Glossary entries search.
*
* @package mod_glossary
* @copyright 2015 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_glossary\search;
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/mod/glossary/lib.php');
/**
* Glossary entries search.
*
* @package mod_glossary
* @copyright 2015 David Monllao {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class entry extends \core_search\base_mod {
/**
* @var array Internal quick static cache.
*/
protected $entriesdata = array();
/**
* Returns recordset containing required data for indexing glossary entries.
*
* @param int $modifiedfrom timestamp
* @param \context|null $context Optional context to restrict scope of returned results
* @return moodle_recordset|null Recordset (or null if no results)
*/
public function get_document_recordset($modifiedfrom = 0, \context $context = null) {
global $DB;
list ($contextjoin, $contextparams) = $this->get_context_restriction_sql(
$context, 'glossary', 'g');
if ($contextjoin === null) {
return null;
}
$sql = "SELECT ge.*, g.course FROM {glossary_entries} ge
JOIN {glossary} g ON g.id = ge.glossaryid
$contextjoin
WHERE ge.timemodified >= ? ORDER BY ge.timemodified ASC";
return $DB->get_recordset_sql($sql, array_merge($contextparams, [$modifiedfrom]));
}
/**
* Returns the documents associated with this glossary entry id.
*
* @param stdClass $entry glossary entry.
* @param array $options
* @return \core_search\document
*/
public function get_document($entry, $options = array()) {
global $DB;
$keywords = array();
if ($aliases = $DB->get_records('glossary_alias', array('entryid' => $entry->id))) {
foreach ($aliases as $alias) {
$keywords[] = $alias->alias;
}
}
try {
$cm = $this->get_cm('glossary', $entry->glossaryid, $entry->course);
$context = \context_module::instance($cm->id);
} catch (\dml_missing_record_exception $ex) {
// Notify it as we run here as admin, we should see everything.
debugging('Error retrieving mod_glossary ' . $entry->id . ' document, not all required data is available: ' .
$ex->getMessage(), DEBUG_DEVELOPER);
return false;
} catch (\dml_exception $ex) {
// Notify it as we run here as admin, we should see everything.
debugging('Error retrieving mod_glossary' . $entry->id . ' document: ' . $ex->getMessage(), DEBUG_DEVELOPER);
return false;
}
// Prepare associative array with data from DB.
$doc = \core_search\document_factory::instance($entry->id, $this->componentname, $this->areaname);
$doc->set('title', content_to_text($entry->concept, false));
$doc->set('content', content_to_text($entry->definition, $entry->definitionformat));
$doc->set('contextid', $context->id);
$doc->set('courseid', $entry->course);
$doc->set('userid', $entry->userid);
$doc->set('owneruserid', \core_search\manager::NO_OWNER_ID);
$doc->set('modified', $entry->timemodified);
// Check if this document should be considered new.
if (isset($options['lastindexedtime']) && ($options['lastindexedtime'] < $entry->timecreated)) {
// If the document was created after the last index time, it must be new.
$doc->set_is_new(true);
}
// Adding keywords as extra info.
if ($keywords) {
// No need to pass through content_to_text here as this is just a list of keywords.
$doc->set('description1', implode(' ' , $keywords));
}
return $doc;
}
/**
* Whether the user can access the document or not.
*
* @throws \dml_missing_record_exception
* @throws \dml_exception
* @param int $id Glossary entry id
* @return bool
*/
public function check_access($id) {
global $USER;
try {
$entry = $this->get_entry($id);
$cminfo = $this->get_cm('glossary', $entry->glossaryid, $entry->course);
} catch (\dml_missing_record_exception $ex) {
return \core_search\manager::ACCESS_DELETED;
} catch (\dml_exception $ex) {
return \core_search\manager::ACCESS_DENIED;
}
if (!glossary_can_view_entry($entry, $cminfo)) {
return \core_search\manager::ACCESS_DENIED;
}
return \core_search\manager::ACCESS_GRANTED;
}
/**
* Link to glossary entry.
*
* @param \core_search\document $doc
* @return \moodle_url
*/
public function get_doc_url(\core_search\document $doc) {
global $USER;
// The post is already in static cache, we fetch it in self::search_access.
$entry = $this->get_entry($doc->get('itemid'));
$contextmodule = \context::instance_by_id($doc->get('contextid'));
if ($entry->approved == false && $entry->userid != $USER->id) {
// The URL should change when the entry is not approved and it was not created by the user.
$docparams = array('id' => $contextmodule->instanceid, 'mode' => 'approval');
} else {
$docparams = array('id' => $contextmodule->instanceid, 'mode' => 'entry', 'hook' => $doc->get('itemid'));
}
return new \moodle_url('/mod/glossary/view.php', $docparams);
}
/**
* Link to the glossary.
*
* @param \core_search\document $doc
* @return \moodle_url
*/
public function get_context_url(\core_search\document $doc) {
$contextmodule = \context::instance_by_id($doc->get('contextid'));
return new \moodle_url('/mod/glossary/view.php', array('id' => $contextmodule->instanceid));
}
/**
* Returns the specified glossary entry checking the internal cache.
*
* Store minimal information as this might grow.
*
* @throws \dml_exception
* @param int $entryid
* @return stdClass
*/
protected function get_entry($entryid) {
global $DB;
if (empty($this->entriesdata[$entryid])) {
$this->entriesdata[$entryid] = $DB->get_record_sql("SELECT ge.*, g.course, g.defaultapproval FROM {glossary_entries} ge
JOIN {glossary} g ON g.id = ge.glossaryid
WHERE ge.id = ?", array('id' => $entryid), MUST_EXIST);
}
return $this->entriesdata[$entryid];
}
/**
* Returns true if this area uses file indexing.
*
* @return bool
*/
public function uses_file_indexing() {
return true;
}
/**
* Return the context info required to index files for
* this search area.
*
* @return array
*/
public function get_search_fileareas() {
$fileareas = array('attachment', 'entry'); // Fileareas.
return $fileareas;
}
}