statusimg.php

<?php

define('NO_DEBUG_DISPLAY', true);

require(dirname(__FILE__).'/../../config.php');
require_once($CFG->dirroot.'/completion/completion_completion.php');

$shortname = required_param('shortname', PARAM_TEXT);


// Default to incomplete state for anonymous users
if (!isloggedin()) {
   print_icon('incomplete');
   return;
}



// If the course can't be identified return an image saying so
$courseid = $DB->get_field('course', 'id', array('shortname' => $shortname));

if (empty($courseid)) {
    print_unknowncourse();
    return;
}


// Check completion status and print complete/incomplete itcon
$completion = $DB->get_record('course_completions', array('course' => $courseid, 'userid' => $USER->id));

if (empty($completion)) {
    print_icon('incompleteicon');
    return;
}

if ($completion->status == COMPLETION_STATUS_INPROGRESS) {
    print_icon('inprogressicon');
    return;
}

if ($completion->status != COMPLETION_STATUS_COMPLETE && $completion->status != COMPLETION_STATUS_COMPLETEVIARPL) {
    print_icon('incompleteicon');
    return;
}

print_icon('completeicon');
return;




function print_unknowncourse() {
    header("HTTP/1.1 303 See Other");
    header("Location: $CFG->wwwroot/filter/coursecompletion/pix/unknown.png");
}


function print_icon($name) {
    $config = get_config('filter_coursecompletion');
    $url = moodle_url::make_pluginfile_url(context_system::instance()->id, 'filter_coursecompletion', $name, 0, '', $config->$name);

    header("HTTP/1.1 303 See Other");
    header("Location: $url");
}