/**
* The UI for doing a quiz.
*
* @return tempcode The result of execution.
*/
function do_quiz()
{
$id = get_param_integer('id');
$quizzes = $GLOBALS['SITE_DB']->query_select('quizzes', array('*'), array('id' => $id), '', 1);
if (!array_key_exists(0, $quizzes)) {
warn_exit(do_lang_tempcode('MISSING_RESOURCE'));
}
$quiz = $quizzes[0];
$this->enforcement_checks($quiz);
if (addon_installed('awards')) {
require_code('awards');
$awards = find_awards_for('quiz', strval($id));
} else {
$awards = array();
}
$quiz_name = get_translated_text($quiz['q_name']);
$title_to_use = do_lang_tempcode('THIS_WITH', do_lang_tempcode($quiz['q_type']), make_string_tempcode(escape_html($quiz_name)));
$title_to_use_2 = do_lang('THIS_WITH_SIMPLE', do_lang($quiz['q_type']), $quiz_name);
$title = get_page_title($title_to_use, false, NULL, NULL, $awards);
seo_meta_load_for('quiz', strval($id), $title_to_use_2);
$last_visit_time = $GLOBALS['SITE_DB']->query_value_null_ok('quiz_member_last_visit', 'v_time', array('v_quiz_id' => $id, 'v_member_id' => get_member()), 'ORDER BY v_time DESC');
if (!is_null($last_visit_time)) {
$timer_offset = time() - $last_visit_time;
if (is_null($quiz['q_timeout']) || $timer_offset >= $quiz['q_timeout'] * 60) {
$GLOBALS['SITE_DB']->query_delete('quiz_member_last_visit', array('v_member_id' => get_member(), 'v_quiz_id' => $id));
$GLOBALS['SITE_DB']->query_insert('quiz_member_last_visit', array('v_quiz_id' => $id, 'v_time' => time(), 'v_member_id' => get_member()));
$timer_offset = 0;
}
} else {
$GLOBALS['SITE_DB']->query_insert('quiz_member_last_visit', array('v_quiz_id' => $id, 'v_time' => time(), 'v_member_id' => get_member()));
$timer_offset = 0;
}
$questions = $GLOBALS['SITE_DB']->query_select('quiz_questions', array('*'), array('q_quiz' => $id), 'ORDER BY q_order');
// If a test/quiz, randomly order questions
// if ($quiz['q_type']!='SURVEY') shuffle($questions); No, could cause problems
foreach ($questions as $i => $question) {
$answers = $GLOBALS['SITE_DB']->query_select('quiz_question_answers', array('*'), array('q_question' => $question['id']), 'ORDER BY q_order');
// If a test/quiz, randomly order answers
if ($quiz['q_type'] != 'SURVEY') {
shuffle($answers);
}
$questions[$i]['answers'] = $answers;
}
require_code('quiz');
$fields = render_quiz($questions);
breadcrumb_set_self(make_string_tempcode(escape_html(get_translated_text($quiz['q_name']))));
// Validation
if ($quiz['q_validated'] == 0) {
if (!has_specific_permission(get_member(), 'jump_to_unvalidated')) {
access_denied('SPECIFIC_PERMISSION', 'jump_to_unvalidated');
}
$warning_details = do_template('WARNING_TABLE', array('WARNING' => do_lang_tempcode(get_param_integer('redirected', 0) == 1 ? 'UNVALIDATED_TEXT_NON_DIRECT' : 'UNVALIDATED_TEXT')));
} else {
$warning_details = new ocp_tempcode();
}
$type = 'Quiz';
switch ($quiz['q_type']) {
case 'COMPETITION':
$type = 'Competition';
break;
case 'SURVEY':
$type = 'Survey';
break;
case 'TEST':
$type = 'Test';
break;
}
$GLOBALS['META_DATA'] += array('created' => date('Y-m-d', $quiz['q_add_date']), 'creator' => $GLOBALS['FORUM_DRIVER']->get_username($quiz['q_submitter']), 'publisher' => '', 'modified' => '', 'type' => $type, 'title' => get_translated_text($quiz['q_name']), 'identifier' => '_SEARCH:quiz:do:' . strval($id), 'description' => get_translated_text($quiz['q_start_text']), 'image' => find_theme_image('bigicons/quiz'));
$edit_url = new ocp_tempcode();
if (has_actual_page_access(NULL, 'cms_quiz', NULL, NULL) && has_edit_permission('mid', get_member(), $quiz['q_submitter'], 'cms_quiz', array('quiz', $id))) {
$edit_url = build_url(array('page' => 'cms_quiz', 'type' => '_ed', 'id' => $id), get_module_zone('cms_quiz'));
}
// Display UI: start text, questions. Including timeout
$start_text = get_translated_tempcode($quiz['q_start_text']);
$post_url = build_url(array('page' => '_SELF', 'type' => '_do', 'id' => $id), '_SELF');
return do_template('QUIZ_SCREEN', array('_GUID' => 'f390877672938ba62f79f9528bef742f', 'EDIT_URL' => $edit_url, 'TAGS' => get_loaded_tags('quiz'), 'ID' => strval($id), 'WARNING_DETAILS' => $warning_details, 'URL' => $post_url, 'TITLE' => $title, 'START_TEXT' => $start_text, 'FIELDS' => $fields, 'TIMEOUT' => is_null($quiz['q_timeout']) ? '' : strval($quiz['q_timeout'] * 60 - $timer_offset)));
}
/**
* Standard modular run function for preview hooks.
*
* @return array A pair: The preview, the updated post Comcode
*/
function run()
{
require_code('quiz');
$questions = array();
$text = post_param('text');
$type = post_param('type');
$_qs = explode(chr(10) . chr(10), $text);
$qs = array();
foreach ($_qs as $q) {
$q = trim($q);
if ($q != '') {
$qs[] = $q;
}
}
$num_q = 0;
$qs2 = array();
foreach ($qs as $i => $q) {
$_as = explode(chr(10), $q);
$as = array();
foreach ($_as as $a) {
if ($a != '') {
$as[] = $a;
}
}
$q = array_shift($as);
$matches = array();
//if (preg_match('#^(\d+)\)?(.*)#',$q,$matches)===false) continue;
if (preg_match('#^(.*)#', $q, $matches) === false) {
continue;
}
if (count($matches) == 0) {
continue;
}
$implicit_question_number = $i;
//$matches[1];
$qs2[$implicit_question_number] = $q . chr(10) . implode(chr(10), $as);
}
ksort($qs2);
foreach (array_values($qs2) as $i => $q) {
$_as = explode(chr(10), $q);
$as = array();
foreach ($_as as $a) {
if ($a != '') {
$as[] = $a;
}
}
$q = array_shift($as);
$matches = array();
//if (preg_match('#^(\d+)\)?(.*)#',$q,$matches)===false) continue;
if (preg_match('#^(.*)#', $q, $matches) === false) {
continue;
}
if (count($matches) == 0) {
continue;
}
$question = trim($matches[count($matches) - 1]);
$long_input_field = strpos($question, ' [LONG]') !== false ? 1 : 0;
$question = str_replace(' [LONG]', '', $question);
$num_choosable_answers = strpos($question, ' [*]') !== false ? count($as) : (count($as) > 0 ? 1 : 0);
$question = str_replace(' [*]', '', $question);
$required = strpos($question, ' [REQUIRED]') !== false ? 1 : 0;
$question = str_replace(' [REQUIRED]', '', $question);
// Now we add the answers
$answers = array();
foreach ($as as $x => $a) {
$is_correct = $x == 0 && strpos($qs2[$i], ' [*]') === false && $type != 'SURVEY' || strpos($a, ' [*]') !== false ? 1 : 0;
$a = str_replace(' [*]', '', $a);
if (substr($a, 0, 1) == ':') {
continue;
}
$answers[] = array('id' => $x, 'q_answer_text' => $a, 'q_is_correct' => $is_correct);
}
$questions[] = array('id' => $i, 'q_long_input_field' => $long_input_field, 'q_num_choosable_answers' => $num_choosable_answers, 'q_question_text' => $question, 'answers' => $answers, 'q_required' => $required);
$num_q++;
}
$preview = render_quiz($questions);
return array(do_template('FORM', array('SUBMIT_NAME' => '', 'TEXT' => '', 'URL' => '', 'HIDDEN' => '', 'FIELDS' => $preview)), NULL);
}
