/**
* Function to be run periodically according to the moodle cron
*
* Finds all assignment notifications that have yet to be mailed out, and mails them
*/
function assignment_cron () {
global $CFG, $USER, $DB;
/// first execute all crons in plugins
if ($plugins = get_plugin_list('assignment')) {
foreach ($plugins as $plugin=>$dir) {
require_once("$dir/assignment.class.php");
$assignmentclass = "assignment_$plugin";
$ass = new $assignmentclass();
$ass->cron();
}
}
/// Notices older than 1 day will not be mailed. This is to avoid the problem where
/// cron has not been running for a long time, and then suddenly people are flooded
/// with mail from the past few weeks or months
$timenow = time();
$endtime = $timenow - $CFG->maxeditingtime;
$starttime = $endtime - 24 * 3600; /// One day earlier
if ($submissions = assignment_get_unmailed_submissions($starttime, $endtime)) {
$realuser = clone($USER);
foreach ($submissions as $key => $submission) {
$DB->set_field("assignment_submissions", "mailed", "1", array("id"=>$submission->id));
}
$timenow = time();
foreach ($submissions as $submission) {
echo "Processing assignment submission $submission->id\n";
if (! $user = $DB->get_record("user", array("id"=>$submission->userid))) {
echo "Could not find user $user->id\n";
continue;
}
if (! $course = $DB->get_record("course", array("id"=>$submission->course))) {
echo "Could not find course $submission->course\n";
continue;
}
/// Override the language and timezone of the "current" user, so that
/// mail is customised for the receiver.
cron_setup_user($user, $course);
if (!is_enrolled(get_context_instance(CONTEXT_COURSE, $submission->course), $user->id)) {
echo fullname($user)." not an active participant in " . format_string($course->shortname) . "\n";
continue;
}
if (! $teacher = $DB->get_record("user", array("id"=>$submission->teacher))) {
echo "Could not find teacher $submission->teacher\n";
continue;
}
if (! $mod = get_coursemodule_from_instance("assignment", $submission->assignment, $course->id)) {
echo "Could not find course module for assignment id $submission->assignment\n";
continue;
}
if (! $mod->visible) { /// Hold mail notification for hidden assignments until later
continue;
}
$strassignments = get_string("modulenameplural", "assignment");
$strassignment = get_string("modulename", "assignment");
$assignmentinfo = new stdClass();
$assignmentinfo->teacher = fullname($teacher);
$assignmentinfo->assignment = format_string($submission->name,true);
$assignmentinfo->url = "$CFG->wwwroot/mod/assignment/view.php?id=$mod->id";
$postsubject = "$course->shortname: $strassignments: ".format_string($submission->name,true);
$posttext = "$course->shortname -> $strassignments -> ".format_string($submission->name,true)."\n";
$posttext .= "---------------------------------------------------------------------\n";
$posttext .= get_string("assignmentmail", "assignment", $assignmentinfo)."\n";
$posttext .= "---------------------------------------------------------------------\n";
if ($user->mailformat == 1) { // HTML
$posthtml = "<p><font face=\"sans-serif\">".
"<a href=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</a> ->".
"<a href=\"$CFG->wwwroot/mod/assignment/index.php?id=$course->id\">$strassignments</a> ->".
"<a href=\"$CFG->wwwroot/mod/assignment/view.php?id=$mod->id\">".format_string($submission->name,true)."</a></font></p>";
$posthtml .= "<hr /><font face=\"sans-serif\">";
$posthtml .= "<p>".get_string("assignmentmailhtml", "assignment", $assignmentinfo)."</p>";
$posthtml .= "</font><hr />";
} else {
$posthtml = "";
}
$eventdata = new stdClass();
$eventdata->modulename = 'assignment';
$eventdata->userfrom = $teacher;
$eventdata->userto = $user;
$eventdata->subject = $postsubject;
$eventdata->fullmessage = $posttext;
$eventdata->fullmessageformat = FORMAT_PLAIN;
$eventdata->fullmessagehtml = $posthtml;
$eventdata->smallmessage = '';
$eventdata->name = 'assignment_updates';
$eventdata->component = 'mod_assignment';
$eventdata->notification = 1;
message_send($eventdata);
}
cron_setup_user();
}
return true;
}
/**
* Function to be run periodically according to the moodle cron
*
* Finds all assignment notifications that have yet to be mailed out, and mails them
*/
function assignment_cron()
{
global $CFG, $USER;
/// first execute all crons in plugins
if ($plugins = get_list_of_plugins('mod/assignment/type')) {
foreach ($plugins as $plugin) {
require_once "{$CFG->dirroot}/mod/assignment/type/{$plugin}/assignment.class.php";
$assignmentclass = "assignment_{$plugin}";
$ass = new $assignmentclass();
$ass->cron();
}
}
/// Notices older than 1 day will not be mailed. This is to avoid the problem where
/// cron has not been running for a long time, and then suddenly people are flooded
/// with mail from the past few weeks or months
$timenow = time();
$endtime = $timenow - $CFG->maxeditingtime;
$starttime = $endtime - 24 * 3600;
/// One day earlier
if ($submissions = assignment_get_unmailed_submissions($starttime, $endtime)) {
$CFG->enablerecordcache = true;
// We want all the caching we can get
$realuser = clone $USER;
foreach ($submissions as $key => $submission) {
if (!set_field("assignment_submissions", "mailed", "1", "id", "{$submission->id}")) {
echo "Could not update the mailed field for id {$submission->id}. Not mailed.\n";
unset($submissions[$key]);
}
}
$timenow = time();
foreach ($submissions as $submission) {
echo "Processing assignment submission {$submission->id}\n";
if (!($user = get_record("user", "id", "{$submission->userid}"))) {
echo "Could not find user {$post->userid}\n";
continue;
}
if (!($course = get_record("course", "id", "{$submission->course}"))) {
echo "Could not find course {$submission->course}\n";
continue;
}
/// Override the language and timezone of the "current" user, so that
/// mail is customised for the receiver.
$USER = $user;
course_setup($course);
if (!has_capability('moodle/course:view', get_context_instance(CONTEXT_COURSE, $submission->course), $user->id)) {
echo fullname($user) . " not an active participant in " . format_string($course->shortname) . "\n";
continue;
}
if (!($teacher = get_record("user", "id", "{$submission->teacher}"))) {
echo "Could not find teacher {$submission->teacher}\n";
continue;
}
if (!($mod = get_coursemodule_from_instance("assignment", $submission->assignment, $course->id))) {
echo "Could not find course module for assignment id {$submission->assignment}\n";
continue;
}
if (!$mod->visible) {
/// Hold mail notification for hidden assignments until later
continue;
}
$strassignments = get_string("modulenameplural", "assignment");
$strassignment = get_string("modulename", "assignment");
$assignmentinfo = new object();
$assignmentinfo->teacher = fullname($teacher);
$assignmentinfo->assignment = format_string($submission->name, true);
$assignmentinfo->url = "{$CFG->wwwroot}/mod/assignment/view.php?id={$mod->id}";
$postsubject = "{$course->shortname}: {$strassignments}: " . format_string($submission->name, true);
$posttext = "{$course->shortname} -> {$strassignments} -> " . format_string($submission->name, true) . "\n";
$posttext .= "---------------------------------------------------------------------\n";
$posttext .= get_string("assignmentmail", "assignment", $assignmentinfo) . "\n";
$posttext .= "---------------------------------------------------------------------\n";
if ($user->mailformat == 1) {
// HTML
$posthtml = "<p><font face=\"sans-serif\">" . "<a href=\"{$CFG->wwwroot}/course/view.php?id={$course->id}\">{$course->shortname}</a> ->" . "<a href=\"{$CFG->wwwroot}/mod/assignment/index.php?id={$course->id}\">{$strassignments}</a> ->" . "<a href=\"{$CFG->wwwroot}/mod/assignment/view.php?id={$mod->id}\">" . format_string($submission->name, true) . "</a></font></p>";
$posthtml .= "<hr /><font face=\"sans-serif\">";
$posthtml .= "<p>" . get_string("assignmentmailhtml", "assignment", $assignmentinfo) . "</p>";
$posthtml .= "</font><hr />";
} else {
$posthtml = "";
}
if (!email_to_user($user, $teacher, $postsubject, $posttext, $posthtml)) {
echo "Error: assignment cron: Could not send out mail for id {$submission->id} to user {$user->id} ({$user->email})\n";
}
}
$USER = $realuser;
course_setup(SITEID);
// reset cron user language, theme and timezone settings
}
return true;
}
