2 // This file is part of Moodle - http://moodle.org/
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.
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.
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/>.
18 * This file contains the core_userfeedback class
21 * @copyright 2020 Shamim Rezaie <shamim@moodle.com>
22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
25 defined('MOODLE_INTERNAL') || die();
28 * This Class contains helper functions for user feedback functionality.
30 * @copyright 2020 Shamim Rezaie <shamim@moodle.com>
31 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
33 class core_userfeedback {
35 * @var int Ask user to give feedback a few days after each major upgrade.
37 public const REMIND_AFTER_UPGRADE = 1;
40 * @var int Ask user to give feedback periodically.
42 public const REMIND_PERIODICALLY = 2;
45 * @var int Do not ask user to give feedback.
47 public const REMIND_NEVER = 3;
50 * Displays the feedback reminder block.
52 public static function print_reminder_block(): void {
55 static $jscalled = false;
59 'title' => get_string('calltofeedback_give'),
60 'url' => static::make_link()->out(false),
68 'title' => get_string('calltofeedback_remind'),
78 'pix' => 'i/bullhorn',
82 \core\notification::add_call_to_action($icon, get_string('calltofeedback'), $actions, 'core/userfeedback');
86 // Calling the following more than once will register event listeners twice.
87 $PAGE->requires->js_call_amd('core/userfeedback', 'registerEventListeners');
92 * Indicates whether the feedback reminder block should be shown or not.
96 public static function should_display_reminder(): bool {
99 if (static::can_give_feedback()) {
100 $give = get_user_preferences('core_userfeedback_give');
101 $remind = get_user_preferences('core_userfeedback_remind');
103 $lastactiontime = max($give ?: 0, $remind ?: 0);
105 switch ($CFG->userfeedback_nextreminder) {
106 case static::REMIND_AFTER_UPGRADE:
107 $lastupgrade = static::last_major_upgrade_time();
108 if ($lastupgrade >= $lastactiontime) {
109 return $lastupgrade + ($CFG->userfeedback_remindafter * DAYSECS) < time();
112 case static::REMIND_PERIODICALLY:
113 return $lastactiontime + ($CFG->userfeedback_remindafter * DAYSECS) < time();
121 * Prepare and return the URL of the feedback site
125 public static function make_link(): moodle_url {
128 $baseurl = $CFG->userfeedback_url ?? 'https://feedback.moodle.org/lms';
129 $lang = clean_param(current_language(), PARAM_LANG); // Avoid breaking WS because of incorrect package langs.
130 $moodleurl = $CFG->wwwroot;
131 $moodleversion = $CFG->release;
132 $theme = $PAGE->theme->name;
133 $themeversion = get_config('theme_'.$theme, 'version');
135 $url = new moodle_url($baseurl, [
137 'moodle_url' => $moodleurl,
138 'moodle_version' => $moodleversion,
140 'theme_version' => $themeversion,
141 'newtest' => 'Y', // Respondents might be using the same device/browser to fill out the survey.
142 // The newtest param resets the session.
149 * Whether the current can give feedback.
153 public static function can_give_feedback(): bool {
156 return $CFG->enableuserfeedback && isloggedin() && !isguestuser();
160 * Returns the last major upgrade time
164 private static function last_major_upgrade_time(): int {
167 $targetversioncast = $DB->sql_cast_char2real('targetversion');
168 $versioncast = $DB->sql_cast_char2real('version');
170 // A time difference more than 3 months has to be a core upgrade.
171 // Also, passing IGNORE_MULTIPLE because we are only interested in the first field and LIMIT is not cross-DB.
172 $time = $DB->get_field_sql("SELECT timemodified
174 WHERE plugin = 'core' AND $targetversioncast - $versioncast > 30000
175 ORDER BY timemodified DESC", null, IGNORE_MULTIPLE);