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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/>.
/**
* Contains the definiton of the email message processors (sends messages to users via email)
*
* @package message_email
* @copyright 2008 Luis Rodrigues and Martin Dougiamas
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->dirroot.'/message/output/lib.php');
/**
* The email message processor
*
* @package message_email
* @copyright 2008 Luis Rodrigues and Martin Dougiamas
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class message_output_email extends message_output {
/**
* Processes the message (sends by email).
* @param object $eventdata the event data submitted by the message sender plus $eventdata->savedmessageid
*/
function send_message($eventdata) {
global $CFG, $DB;
// skip any messaging suspended and deleted users
if ($eventdata->userto->auth === 'nologin' or $eventdata->userto->suspended or $eventdata->userto->deleted) {
return true;
}
//the user the email is going to
$recipient = null;
//check if the recipient has a different email address specified in their messaging preferences Vs their user profile
$emailmessagingpreference = get_user_preferences('message_processor_email_email', null, $eventdata->userto);
$emailmessagingpreference = clean_param($emailmessagingpreference, PARAM_EMAIL);
// If the recipient has set an email address in their preferences use that instead of the one in their profile
// but only if overriding the notification email address is allowed
if (!empty($emailmessagingpreference) && !empty($CFG->messagingallowemailoverride)) {
//clone to avoid altering the actual user object
$recipient = clone($eventdata->userto);
$recipient->email = $emailmessagingpreference;
} else {
$recipient = $eventdata->userto;
}
// Check if we have attachments to send.
$attachment = '';
$attachname = '';
if (!empty($CFG->allowattachments) && !empty($eventdata->attachment)) {
if (empty($eventdata->attachname)) {
// Attachment needs a file name.
debugging('Attachments should have a file name. No attachments have been sent.', DEBUG_DEVELOPER);
} else if (!($eventdata->attachment instanceof stored_file)) {
// Attachment should be of a type stored_file.
debugging('Attachments should be of type stored_file. No attachments have been sent.', DEBUG_DEVELOPER);
} else {
// Copy attachment file to a temporary directory and get the file path.
$attachment = $eventdata->attachment->copy_content_to_temp();
// Get attachment file name.
$attachname = clean_filename($eventdata->attachname);
}
}
// Configure mail replies - this is used for incoming mail replies.
$replyto = '';
$replytoname = '';
if (isset($eventdata->replyto)) {
$replyto = $eventdata->replyto;
if (isset($eventdata->replytoname)) {
$replytoname = $eventdata->replytoname;
}
}
// We email messages from private conversations straight away, but for group we add them to a table to be sent later.
$emailuser = true;
if (!$eventdata->notification) {
if ($eventdata->conversationtype == \core_message\api::MESSAGE_CONVERSATION_TYPE_GROUP) {
$emailuser = false;
}
}
if ($emailuser) {
$result = email_to_user($recipient, $eventdata->userfrom, $eventdata->subject, $eventdata->fullmessage,
$eventdata->fullmessagehtml, $attachment, $attachname, true, $replyto, $replytoname);
} else {
$messagetosend = new stdClass();
$messagetosend->useridfrom = $eventdata->userfrom->id;
$messagetosend->useridto = $recipient->id;
$messagetosend->conversationid = $eventdata->convid;
$messagetosend->messageid = $eventdata->savedmessageid;
$result = $DB->insert_record('message_email_messages', $messagetosend, false);
}
// Remove an attachment file if any.
if (!empty($attachment) && file_exists($attachment)) {
unlink($attachment);
}
return $result;
}
/**
* Creates necessary fields in the messaging config form.
*
* @param array $preferences An array of user preferences
*/
function config_form($preferences){
global $USER, $OUTPUT, $CFG;
$string = '';
$choices = array();
$choices['0'] = get_string('textformat');
$choices['1'] = get_string('htmlformat');
$current = $preferences->mailformat;
$string .= $OUTPUT->container(html_writer::label(get_string('emailformat'), 'mailformat'));
$string .= $OUTPUT->container(html_writer::select($choices, 'mailformat', $current, false, array('id' => 'mailformat')));
$string .= html_writer::empty_tag('input', array('type' => 'hidden', 'name' => 'userid', 'value' => $USER->id));
if (!empty($CFG->allowusermailcharset)) {
$choices = array();
$charsets = get_list_of_charsets();
if (!empty($CFG->sitemailcharset)) {
$choices['0'] = get_string('site').' ('.$CFG->sitemailcharset.')';
} else {
$choices['0'] = get_string('site').' (UTF-8)';
}
$choices = array_merge($choices, $charsets);
$current = $preferences->mailcharset;
$string .= $OUTPUT->container(html_writer::label(get_string('emailcharset'), 'mailcharset'));
$string .= $OUTPUT->container(
html_writer::select($choices, 'preference_mailcharset', $current, false, array('id' => 'mailcharset'))
);
}
if (!empty($CFG->messagingallowemailoverride)) {
$inputattributes = array('size' => '30', 'name' => 'email_email', 'value' => $preferences->email_email,
'id' => 'email_email');
$string .= html_writer::label(get_string('email', 'message_email'), 'email_email');
$string .= $OUTPUT->container(html_writer::empty_tag('input', $inputattributes));
if (empty($preferences->email_email) && !empty($preferences->userdefaultemail)) {
$string .= $OUTPUT->container(get_string('ifemailleftempty', 'message_email', $preferences->userdefaultemail));
}
if (!empty($preferences->email_email) && !validate_email($preferences->email_email)) {
$string .= $OUTPUT->container(get_string('invalidemail'), 'error');
}
$string .= '<br/>';
}
return $string;
}
/**
* Parses the submitted form data and saves it into preferences array.
*
* @param stdClass $form preferences form class
* @param array $preferences preferences array
*/
function process_form($form, &$preferences){
global $CFG;
if (isset($form->email_email)) {
$preferences['message_processor_email_email'] = clean_param($form->email_email, PARAM_EMAIL);
}
if (isset($form->preference_mailcharset)) {
$preferences['mailcharset'] = $form->preference_mailcharset;
if (!array_key_exists($preferences['mailcharset'], get_list_of_charsets())) {
$preferences['mailcharset'] = '0';
}
}
if (isset($form->mailformat) && isset($form->userid)) {
require_once($CFG->dirroot.'/user/lib.php');
$user = core_user::get_user($form->userid, '*', MUST_EXIST);
$user->mailformat = clean_param($form->mailformat, PARAM_INT);
user_update_user($user, false, false);
}
}
/**
* Returns the default message output settings for this output
*
* @return int The default settings
*/
public function get_default_messaging_settings() {
return MESSAGE_PERMITTED + MESSAGE_DEFAULT_LOGGEDIN + MESSAGE_DEFAULT_LOGGEDOFF;
}
/**
* Loads the config data from database to put on the form during initial form display
*
* @param array $preferences preferences array
* @param int $userid the user id
*/
function load_data(&$preferences, $userid){
$preferences->email_email = get_user_preferences( 'message_processor_email_email', '', $userid);
}
/**
* Returns true as message can be sent to internal support user.
*
* @return bool
*/
public function can_send_to_any_users() {
return true;
}
}