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1 efrain 1
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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namespace mod_bigbluebuttonbn\task;
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use core_user;
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use html_writer;
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/**
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 * This adhoc task will send emails to guest users with the meeting's details
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 *
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 * @package   mod_bigbluebuttonbn
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 * @copyright  2022 onwards, Blindside Networks Inc
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 * @author     Laurent David  (laurent [at] call-learning [dt] fr)
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 */
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class send_guest_emails extends base_send_notification {
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    /**
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     * Get the notification type.
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     *
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     * @return string
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     */
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    protected function get_notification_type(): string {
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        return 'guest_invited';
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    }
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    /**
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     * Send all the emails
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     */
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    protected function send_all_notifications(): void {
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        $customdata = $this->get_custom_data();
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        if (!empty($customdata->emails)) {
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            foreach ($customdata->emails as $email) {
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                $user = core_user::get_noreply_user();
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                $user->email = $email;
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                $user->mailformat = 1; // HTML format.
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                email_to_user(
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                        $user,
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                        core_user::get_noreply_user(),
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                        $this->get_subject(),
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                        $this->get_small_message(),
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                        $this->get_html_message()
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                );
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            }
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        }
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    }
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    /**
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     * Get the subject of the notification.
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     *
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     * @return string
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     */
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    protected function get_subject(): string {
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        return get_string('guest_invitation_subject', 'mod_bigbluebuttonbn', $this->get_string_vars());
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    }
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    /**
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     * Get variables to make available to strings.
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     *
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     * @return array
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     */
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    protected function get_string_vars(): array {
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        $customdata = $this->get_custom_data();
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        $sender = core_user::get_user($customdata->useridfrom);
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        return [
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                'course_fullname' => $this->get_instance()->get_course()->fullname,
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                'course_shortname' => $this->get_instance()->get_course()->shortname,
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                'name' => $this->get_instance()->get_cm()->name,
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                'guestjoinurl' => $this->get_instance()->get_guest_access_url()->out(false),
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                'guestpassword' => $this->get_instance()->get_guest_access_password(),
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                'sender' => fullname($sender)
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        ];
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    }
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    /**
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     * Get the short summary message.
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     *
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     * @return string
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     */
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    protected function get_small_message(): string {
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        return get_string('guest_invitation_small_message', 'mod_bigbluebuttonbn', $this->get_string_vars());
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    }
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    /**
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     * Get the HTML message content.
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     *
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     * @return string
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     */
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    protected function get_html_message(): string {
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        return html_writer::tag(
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                'p',
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                get_string('guest_invitation_full_message', 'mod_bigbluebuttonbn', $this->get_string_vars())
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        );
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    }
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}