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locallib.php
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locallib.php
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<?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/>.
/**
* Library of interface functions and constants.
*
* @package mod_wikisearch
* @copyright 2020 LEARNING.BOG.GE <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Return if the plugin supports $feature.
*
* @param string $feature Constant representing the feature.
* @return true | null True if the feature is supported, null otherwise.
*/
function wikisearch_supports($feature) {
switch ($feature) {
case FEATURE_MOD_INTRO:
return true;
default:
return null;
}
}
/**
* Saves a new instance of the mod_wikisearch into the database.
*
* Given an object containing all the necessary data, (defined by the form
* in mod_form.php) this function will create a new instance and return the id
* number of the instance.
*
* @param object $moduleinstance An object from the form.
* @param mod_wikisearch_mod_form $mform The form.
* @return int The id of the newly inserted record.
*/
function wikisearch_add_instance($moduleinstance, $mform = null) {
global $DB;
$moduleinstance->timecreated = time();
$id = $DB->insert_record('wikisearch', $moduleinstance);
return $id;
}
/**
* Updates an instance of the mod_wikisearch in the database.
*
* Given an object containing all the necessary data (defined in mod_form.php),
* this function will update an existing instance with new data.
*
* @param object $moduleinstance An object from the form in mod_form.php.
* @param mod_wikisearch_mod_form $mform The form.
* @return bool True if successful, false otherwise.
*/
function wikisearch_update_instance($moduleinstance, $mform = null) {
global $DB;
$moduleinstance->timemodified = time();
$moduleinstance->id = $moduleinstance->instance;
return $DB->update_record('wikisearch', $moduleinstance);
}
/**
* Removes an instance of the mod_wikisearch from the database.
*
* @param int $id Id of the module instance.
* @return bool True if successful, false on failure.
*/
function wikisearch_delete_instance($id) {
global $DB;
$exists = $DB->get_record('wikisearch', array('id' => $id));
if (!$exists) {
return false;
}
$DB->delete_records('wikisearch', array('id' => $id));
return true;
}
function wikisearch_search_results($searchstring) {
global $DB;
$sql = "
SELECT
p.*
FROM {wiki_pages} p
WHERE
p.title LIKE '%" . $searchstring . "%'
OR p.cachedcontent LIKE '%" . $searchstring . "%'
";
return $DB->get_records_sql($sql);
}
function wikisearch_highlight_keywords($text, $keywords) {
$keywords = explode(' ', $keywords);
for ($i = 0; $i < count($keywords); $i++) {
$highlighted_text = '<span style="
background: yellow;
padding: 3px;
color: #ff5f5f;
font-weight: bold;
">' . $keywords[$i] . '</span>';
$text = str_ireplace($keywords[$i], $highlighted_text, $text);
}
return $text;
}