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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/>.
/**
* This file contains the forms to create and edit an instance of this module
*
* @package mod_reengagement
* @author Peter Bulmer <peter.bulmer@catlayst.net.nz>
* @copyright 2016 Catalyst IT {@link http://www.catalyst.net.nz}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/course/moodleform_mod.php');
/**
* Moodleform class.
*
* @package mod_reengagement
* @author Peter Bulmer <peter.bulmer@catlayst.net.nz>
* @copyright 2016 Catalyst IT {@link http://www.catalyst.net.nz}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_reengagement_mod_form extends moodleform_mod {
/**
* Called to define this moodle form
*
* @return void
*/
public function definition() {
global $COURSE, $CFG;
$mform =& $this->_form;
// Make sure completion and restriction is enabled.
if (empty($CFG->enablecompletion) || empty($CFG->enableavailability)) {
throw new moodle_exception('mustenablecompletionavailability', 'mod_reengagement');
}
// Adding the "general" fieldset, where all the common settings are shown.
$mform->addElement('header', 'general', get_string('general', 'form'));
if (!$COURSE->enablecompletion) {
$coursecontext = context_course::instance($COURSE->id);
if (has_capability('moodle/course:update', $coursecontext)) {
$mform->addElement('static', 'completionwillturnon', get_string('completion', 'reengagement'),
get_string('completionwillturnon', 'reengagement'));
}
}
$istotara = false;
if (file_exists($CFG->dirroot.'/totara')) {
$istotara = true;
}
// Adding the standard "name" field.
$mform->addElement('text', 'name', get_string('reengagementname', 'reengagement'), array('size' => '64'));
$mform->setType('name', PARAM_TEXT);
$mform->addRule('name', null, 'required', null, 'client');
$mform->addRule('name', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
// Adding the rest of reengagement settings, spreeading all them into this fieldset
// or adding more fieldsets ('header' elements) if needed for better logic.
$mform->addElement('header', 'reengagementfieldset', get_string('reengagementfieldset', 'reengagement'));
$mform->setExpanded('reengagementfieldset', true);
// Adding email detail fields.
$emailuseroptions = array(); // The sorts of emailing this module might do.
$emailuseroptions[REENGAGEMENT_EMAILUSER_NEVER] = get_string('never', 'reengagement');
$emailuseroptions[REENGAGEMENT_EMAILUSER_COMPLETION] = get_string('oncompletion', 'reengagement');
$emailuseroptions[REENGAGEMENT_EMAILUSER_TIME] = get_string('afterdelay', 'reengagement');
$mform->addElement('select', 'emailuser', get_string('emailuser', 'reengagement'), $emailuseroptions);
$mform->addHelpButton('emailuser', 'emailuser', 'reengagement');
if ($istotara) {
// Add options to control who any notifications should go to.
$emailrecipientoptions = array(); // The message recipient options.
$emailrecipientoptions[REENGAGEMENT_RECIPIENT_USER] = get_string('user');
$emailrecipientoptions[REENGAGEMENT_RECIPIENT_MANAGER] = get_string('manager', 'role');
$emailrecipientoptions[REENGAGEMENT_RECIPIENT_BOTH] = get_string('userandmanager', 'reengagement');
$mform->addElement('select', 'emailrecipient', get_string('emailrecipient', 'reengagement'), $emailrecipientoptions);
$mform->addHelpButton('emailrecipient', 'emailrecipient', 'reengagement');
} else {
$mform->addElement('hidden', 'emailrecipient', REENGAGEMENT_RECIPIENT_USER);
$mform->setType('emailrecipient', PARAM_INT);
}
$mform->addElement('text', 'thirdpartyemails', get_string('thirdpartyemails', 'reengagement'), array('size' => '80'));
$mform->addHelpButton('thirdpartyemails', 'thirdpartyemails', 'reengagement');
$mform->setType('thirdpartyemails', PARAM_TEXT);
// Add a group of controls to specify after how long an email should be sent.
$emaildelay = array();
$periods = array();
$periods[60] = get_string('minutes', 'reengagement');
$periods[3600] = get_string('hours', 'reengagement');
$periods[86400] = get_string('days', 'reengagement');
$periods[604800] = get_string('weeks', 'reengagement');
$emaildelay[] = $mform->createElement('text', 'emailperiodcount', '', array('class="emailperiodcount"'));
$emaildelay[] = $mform->createElement('select', 'emailperiod', '', $periods);
$mform->addGroup($emaildelay, 'emaildelay', get_string('emaildelay', 'reengagement'), array(' '), false);
$mform->addHelpButton('emaildelay', 'emaildelay', 'reengagement');
$mform->setType('emailperiodcount', PARAM_INT);
$mform->setDefault('emailperiodcount', '1');
$mform->setDefault('emailperiod', '604800');
$mform->hideif('emaildelay', 'emailuser', 'neq', REENGAGEMENT_EMAILUSER_TIME);
// Add frequency of e-mails.
$mform->addElement('text', 'remindercount', get_string('remindercount', 'reengagement'), array('maxlength' => '2'));
$mform->setType('remindercount', PARAM_INT);
$mform->setDefault('remindercount', '1');
$mform->addRule('remindercount', get_string('err_numeric', 'form'), 'numeric', '', 'client');
$mform->addHelpButton('remindercount', 'remindercount', 'reengagement');
$mform->hideif('remindercount', 'emailuser', 'neq', REENGAGEMENT_EMAILUSER_TIME);
$mform->addElement('text', 'emailsubject', get_string('emailsubject', 'reengagement'), array('size' => '64'));
$mform->setType('emailsubject', PARAM_TEXT);
$mform->addRule('emailsubject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->hideif('emailsubject', 'emailuser', 'eq', REENGAGEMENT_EMAILUSER_NEVER);
$mform->addHelpButton('emailsubject', 'emailsubject', 'reengagement');
$mform->addElement('editor', 'emailcontent', get_string('emailcontent', 'reengagement'), null, null);
$mform->setDefault('emailcontent', get_string('emailcontentdefaultvalue', 'reengagement'));
$mform->setType('emailcontent', PARAM_RAW);
$mform->hideif('emailcontent', 'emailuser', 'eq', REENGAGEMENT_EMAILUSER_NEVER);
if ($istotara) {
$mform->addElement('text', 'emailsubjectmanager', get_string('emailsubjectmanager', 'reengagement'),
array('size' => '64'));
$mform->setType('emailsubjectmanager', PARAM_TEXT);
$mform->addRule('emailsubjectmanager', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->hideif('emailsubjectmanager', 'emailuser', 'eq', REENGAGEMENT_EMAILUSER_NEVER);
$mform->addHelpButton('emailsubjectmanager', 'emailsubjectmanager', 'reengagement');
$mform->addElement('editor', 'emailcontentmanager', get_string('emailcontentmanager', 'reengagement'), null, null);
$mform->setDefault('emailcontentmanager', get_string('emailcontentmanagerdefaultvalue', 'reengagement'));
$mform->setType('emailcontentmanager', PARAM_RAW);
$mform->addHelpButton('emailcontentmanager', 'emailcontentmanager', 'reengagement');
} else {
$mform->addElement('hidden', 'emailsubjectmanager');
$mform->setType('emailsubjectmanager', PARAM_ALPHA);
$mform->addElement('hidden', 'emailcontentmanager');
$mform->setType('emailcontentmanager', PARAM_ALPHA);
}
$mform->addElement('text', 'emailsubjectthirdparty',
get_string('emailsubjectthirdparty', 'reengagement'), array('size' => '64'));
$mform->setType('emailsubjectthirdparty', PARAM_TEXT);
$mform->addRule('emailsubjectthirdparty', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');
$mform->addHelpButton('emailsubjectthirdparty', 'emailsubjectthirdparty', 'reengagement');
$mform->addElement('editor', 'emailcontentthirdparty', get_string('emailcontentthirdparty', 'reengagement'), null, null);
$mform->setDefault('emailcontentthirdparty', get_string('emailcontentthirdpartydefaultvalue', 'reengagement'));
$mform->setType('emailcontentthirdparty', PARAM_CLEANHTML);
$mform->addHelpButton('emailcontentthirdparty', 'emailcontentthirdparty', 'reengagement');
$mform->addElement('advcheckbox', 'suppressemail', get_string('suppressemail', 'reengagement'));
$mform->hideif('suppressemail', 'emailuser', 'eq', REENGAGEMENT_EMAILUSER_NEVER);
$mform->addHelpbutton('suppressemail', 'suppressemail', 'reengagement');
$truemods = get_fast_modinfo($COURSE->id);
$mods = array();
$mods[0] = get_string('nosuppresstarget', 'reengagement');
foreach ($truemods->cms as $mod) {
$mods[$mod->id] = $mod->name;
}
$mform->addElement('select', 'suppresstarget', get_string('suppresstarget', 'reengagement'), $mods);
$mform->hideif('suppresstarget', 'emailuser', 'eq', REENGAGEMENT_EMAILUSER_NEVER);
$mform->hideif('suppresstarget', 'suppressemail', 'notchecked');
$mform->addHelpbutton('suppresstarget', 'suppresstarget', 'reengagement');
// Add standard elements, common to all modules.
$this->standard_coursemodule_elements();
if ($mform->elementExists('completion')) {
$mform->setDefault('completion', COMPLETION_TRACKING_AUTOMATIC);
$mform->freeze('completion');
}
// Hide some elements not relevant to this activity (student visibility).
if ($mform->elementExists('visible')) {
$mform->removeElement('visible');
$mform->addElement('hidden', 'visible', 0);
$mform->setType('visible', PARAM_INT);
if ($mform->elementExists('visibleoncoursepage')) {
$mform->removeElement('visibleoncoursepage');
}
$mform->addElement('hidden', 'visibleoncoursepage', 1);
$mform->setType('visibleoncoursepage', PARAM_INT);
}
// Add standard buttons, common to all modules.
$this->add_action_buttons();
}
/**
* Load in existing data as form defaults
*
* @param stdClass|array $toform object or array of default values
*/
public function set_data($toform) {
global $CFG;
$istotara = false;
if (file_exists($CFG->dirroot.'/totara')) {
$istotara = true;
}
// Form expects durations as a number of periods eg 5 minutes.
// Process dbtime (seconds) into form-appropraite times.
if (!empty($toform->duration)) {
list ($periodcount, $period) = reengagement_get_readable_duration($toform->duration);
$toform->period = $period;
$toform->periodcount = $periodcount;
unset($toform->duration);
}
if (!empty($toform->emaildelay)) {
list ($periodcount, $period) = reengagement_get_readable_duration($toform->emaildelay);
$toform->emailperiod = $period;
$toform->emailperiodcount = $periodcount;
unset($toform->emaildelay);
}
if (!isset($toform->emailcontent)) {
$toform->emailcontent = get_string('emailcontentdefaultvalue', 'reengagement');
}
if (!isset($toform->emailcontentformat)) {
$toform->emailcontentformat = 1;
}
$toform->emailcontent = array('text' => $toform->emailcontent, 'format' => $toform->emailcontentformat);
if ($istotara) {
if (!isset($toform->emailcontentmanager)) {
$toform->emailcontentmanager = get_string('emailcontentmanagerdefaultvalue', 'reengagement');
}
if (!isset($toform->emailcontentmanagerformat)) {
$toform->emailcontentmanagerformat = 1;
}
$toform->emailcontentmanager = array('text' => $toform->emailcontentmanager,
'format' => $toform->emailcontentmanagerformat);
}
if (!isset($toform->emailcontentthirdparty)) {
$toform->emailcontentthirdparty = get_string('emailcontentthirdpartydefaultvalue', 'reengagement');
}
if (!isset($toform->emailcontentthirdpartyformat)) {
$toform->emailcontentthirdpartyformat = 1;
}
$toform->emailcontentthirdparty = array('text' => $toform->emailcontentthirdparty,
'format' => $toform->emailcontentthirdpartyformat);
if (empty($toform->suppresstarget)) {
// There is no target activity specified.
// Configure the box to have this dropdown disabled by default.
$toform->suppressemail = 0;
} else {
// There is a target activity specified, enable the target selector so that the user can change it if desired.
$toform->suppressemail = 1;
}
// Force completion tracking to automatic.
$toform->completion = COMPLETION_TRACKING_AUTOMATIC;
// Force activity to hidden.
$toform->visible = 0;
$result = parent::set_data($toform);
return $result;
}
/**
* Return the data that will be used upon saving.
*
* @return null|array
*/
public function get_data() {
global $CFG;
$istotara = false;
if (file_exists($CFG->dirroot.'/totara')) {
$istotara = true;
}
$fromform = parent::get_data();
if (!empty($fromform)) {
// Force completion tracking to automatic.
$fromform->completion = COMPLETION_TRACKING_AUTOMATIC;
// Force activity to hidden.
$fromform->visible = 0;
if (!empty($fromform->completionunlocked)) {
// Format, regulate module duration.
if (isset($fromform->period) && isset($fromform->periodcount)) {
$fromform->duration = $fromform->period * $fromform->periodcount;
}
if (empty($fromform->duration)) {
$fromform->duration = 300;
}
if ($fromform->duration < 0) {
$fromform->duration = 0;
}
unset($fromform->period);
unset($fromform->periodcount);
}
// Format, regulate email notification delay.
if (isset($fromform->emailperiod) && isset($fromform->emailperiodcount)) {
$fromform->emaildelay = $fromform->emailperiod * $fromform->emailperiodcount;
}
if (empty($fromform->emaildelay)) {
$fromform->emaildelay = 300;
}
if ($fromform->emaildelay < 0) {
$fromform->emaildelay = 0;
}
unset($fromform->emailperiod);
unset($fromform->emailperiodcount);
// Some special handling for the wysiwyg editor field.
$fromform->emailcontentformat = $fromform->emailcontent['format'];
$fromform->emailcontent = $fromform->emailcontent['text'];
if ($istotara) {
$fromform->emailcontentmanagerformat = $fromform->emailcontentmanager['format'];
$fromform->emailcontentmanager = $fromform->emailcontentmanager['text'];
}
$fromform->emailcontentthirdpartyformat = $fromform->emailcontentthirdparty['format'];
$fromform->emailcontentthirdparty = $fromform->emailcontentthirdparty['text'];
}
return $fromform;
}
/**
* Add custom completion rules for reengagement.
*
* @return array Array of string IDs of added items, empty array if none
*/
public function add_completion_rules() {
$mform =& $this->_form;
$periods = array();
$periods[1] = get_string('seconds', 'reengagement');
$periods[MINSECS] = get_string('minutes', 'reengagement');
$periods[HOURSECS] = get_string('hours', 'reengagement');
$periods[DAYSECS] = get_string('days', 'reengagement');
$periods[WEEKSECS] = get_string('weeks', 'reengagement');
$duration[] = &$mform->createElement('text', 'periodcount', '', array('class="periodcount"'));
$mform->setType('periodcount', PARAM_INT);
$duration[] = &$mform->createElement('select', 'period', '', $periods);
$mform->addGroup($duration, 'duration', get_string('reengagementduration', 'reengagement'), array(' '), false);
$mform->addHelpButton('duration', 'duration', 'reengagement');
$mform->setDefault('periodcount', '1');
$mform->setDefault('period', '604800');
return array('duration');
}
/**
* A custom completion rule is enabled by reengagement.
*
* @param array $data Input data (not yet validated)
* @return bool True if one or more rules is enabled, false if none are;
* default returns false
*/
public function completion_rule_enabled($data) {
return true;
}
/**
* Perform validation on the settings form
* @param array $data
* @param array $files
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
if (!empty($data['emailperiod'])) {
$duration = $data['emailperiod'] * $data['emailperiodcount'];
if ($duration < (DAYSECS) && $data['remindercount'] > 2) {
// If less than 24hrs, make sure only 2 e-mails can be sent.
$errors['remindercount'] = get_string('frequencytoohigh', 'reengagement', 2);
} else if ($duration < (5 * DAYSECS) && $data['remindercount'] > 10) {
// If less than 5 days, make sure only 10 e-mails can be sent.
$errors['remindercount'] = get_string('frequencytoohigh', 'reengagement', 10);
} else if ($duration < (15 * DAYSECS) && $data['remindercount'] > 26) {
// If less than 15 days, make sure only 26 e-mails can be sent.
$errors['remindercount'] = get_string('frequencytoohigh', 'reengagement', 26);
} else if ($data['remindercount'] > 40) {
// Maximum number of reminders is set to 40 - we don't want to be emailing users for several years.
$errors['remindercount'] = get_string('frequencytoohigh', 'reengagement', 40);
}
}
if ($data['emailperiod'] * $data['emailperiodcount'] < 300) {
$errors['emaildelay'] = get_string('periodtoolow', 'reengagement');
}
return $errors;
}
}