/**
* This will scan all the content pages that wordpress outputs for our special code. If the code is found, it will replace the requested quiz.
*/
function watupro_shortcode($attr)
{
global $wpdb, $post;
$exam_id = $attr[0];
$contents = '';
if (!is_numeric($exam_id)) {
return $contents;
}
watupro_vc_scripts();
ob_start();
// select exam
$exam = $wpdb->get_row($wpdb->prepare("SELECT * FROM " . WATUPRO_EXAMS . " WHERE id=%d", $exam_id));
if (watupro_intel()) {
WatuPROIntelligence::conditional_scripts($exam_id);
}
watupro_conditional_scripts($exam);
// passed question ids?
if (!empty($attr['question_ids'])) {
$passed_question_ids = $attr['question_ids'];
}
// submitting without ajax?
if (!empty($_POST['no_ajax']) and !empty($exam->no_ajax)) {
require WATUPRO_PATH . "/show_exam.php";
$contents = ob_get_clean();
$contents = apply_filters('watupro_content', $contents);
return $contents;
}
// other cases, show here
if (empty($_GET['waturl']) or !$exam->shareable_final_screen) {
// showing the exam
if ($exam->mode == 'practice' and watupro_intel()) {
WatuPracticeController::show($exam);
} else {
include WATUPRO_PATH . '/show_exam.php';
}
$contents = ob_get_contents();
} else {
// showing taking results
$url = @base64_decode($_GET['waturl']);
list($exam_id, $tid) = explode("|", $url);
if (!is_numeric($exam_id) or !is_numeric($tid)) {
return $contents;
}
// must check if public URL is allowed
$taking = $wpdb->get_row($wpdb->prepare("SELECT * FROM " . WATUPRO_TAKEN_EXAMS . " WHERE ID=%d", $tid));
$contents = WatuPRO::cleanup($taking->details, 'web');
$post->ID = 0;
$post->comment_status = 'closed';
}
ob_end_clean();
$contents = apply_filters('watupro_content', $contents);
return $contents;
}
function display_unresolved($output)
{
$output = WatuPRO::cleanup($output, 'web');
// now remove correct-answer style
$output = str_replace('correct-answer', '', $output);
$output = str_replace('user-answer-unrevealed', 'user-answer', $output);
// do it back & forth to avoid nasty bug
$output = str_replace('user-answer', 'user-answer-unrevealed', $output);
// remove hardcoded correct/incorrect images if any
// (for example we may have these in fill the gaps questions)
$output = str_replace('<img src="' . WATUPRO_URL . '/correct.png" hspace="5">', '', $output);
$output = str_replace('<img src="' . WATUPRO_URL . '/wrong.png" hspace="5">', '', $output);
return $output;
}
?>
</a></p>
<?php
}
// end if not $advanced_settings['show_only_snapshot']
}
// end if not export
?>
<?php
if (empty($_GET['export'])) {
?>
<div id="detailsText" style="background:#EEE;padding:5px;">
<p><?php
echo WatuPRO::cleanup($taking->details, 'web');
?>
</p>
</div>
<?php
}
?>
<?php
if (empty($advanced_settings['show_only_snapshot'])) {
if (empty($_GET['export'])) {
?>
<div id="detailsTable" style="display:none;"> <?php
}
?>
$output .= str_replace($replace_these, $with_these, wpautop(stripslashes($exam->final_screen), false));
$output = watupro_parse_answerto($output, $taking_id);
$email_output = str_replace($replace_these, $with_these, wpautop(stripslashes($exam->email_output), false));
$email_output = watupro_parse_answerto($email_output, $taking_id);
// store this taking
$_watu->update_taking($taking_id, $achieved, $grade, $output, $percent, $grade_obj, $catgrades);
// send API call
do_action('watupro_completed_exam', $taking_id);
if (watupro_intel() and !empty($exam->fee) and !empty($exam->pay_always)) {
do_action('watupro_completed_paid_exam', $taking_id, $exam);
}
$output = apply_filters('watupro_content', $output);
$email_output = apply_filters('watupro_content', $email_output);
// show output on the screen
if (empty($do_redirect)) {
print WatuPRO::cleanup($output, 'web');
} else {
echo "WATUPRO_REDIRECT:::" . $do_redirect;
}
// update taking output with the filters
$wpdb->query($wpdb->prepare("UPDATE " . WATUPRO_TAKEN_EXAMS . " SET details=%s WHERE ID=%d", $output, $taking_id));
if (!empty($exam->email_output)) {
$output = $email_output;
}
// here maybe replace output with email output
// clear any timer related info for this exam
delete_user_meta($user_ID, "start_exam_" . $exam->ID);
// email details if required
$_watu->email_results($exam, $output, @$grade_obj->ID);
if (empty($exam->no_ajax)) {
exit;
function email_results($exam, $output, $grade_id = null)
{
global $user_ID, $user_email;
$headers = 'MIME-Version: 1.0' . "\r\n";
$headers .= 'Content-type: text/html; charset=utf-8' . "\r\n";
$headers .= 'From: ' . watupro_admin_email() . "\r\n";
$admin_output = $output = WatuPRO::cleanup($output);
if (strstr($output, "{{{split}}}")) {
$parts = explode("{{{split}}}", $output);
$output = trim($parts[0]);
$admin_output = trim($parts[1]);
}
$admin_subject = __('User results on %%QUIZ_NAME%%', 'watupro');
$user_subject = __('Your results on %%QUIZ_NAME%%', 'watupro');
if (!empty($exam->email_subject)) {
$email_subject = stripslashes($exam->email_subject);
if (strstr($email_subject, '{{{split}}}')) {
list($user_subject, $admin_subject) = explode('{{{split}}}', $email_subject);
} else {
$user_subject = $admin_subject = $email_subject;
}
}
$output = '<html><head><title>' . __('Your results on ', 'watupro') . $exam->name . '</title>
</head>
<html><body>' . $output . '</body></html>';
// echo $output;
if (!is_user_logged_in() or !empty($_POST['taker_email'])) {
$user_email = @$_POST['taker_email'];
}
// user setting may override the var
if ($exam->email_taker and is_user_logged_in() and get_user_meta($user_ID, 'watupro_no_quiz_mails', true)) {
$exam->email_taker = false;
}
// now email user
if ($exam->email_taker and $user_email) {
// check for grade-related restrictions
$advanced_settings = unserialize(stripslashes($exam->advanced_settings));
if (!empty($advanced_settings['email_grades']) and is_array($advanced_settings['email_grades']) and !in_array($grade_id, $advanced_settings['email_grades'])) {
$dont_email_taker = true;
}
$user_subject = str_replace('%%QUIZ_NAME%%', stripslashes($exam->name), $user_subject);
if (empty($dont_email_taker)) {
wp_mail($user_email, $user_subject, $output, $headers);
}
}
if ($exam->email_admin) {
// if user is logged in, let admin know who is taking the test
$output = $admin_output;
// echo($output);
$user_data = $user_email;
if (!empty($_POST['taker_name'])) {
$user_data .= " ({$_POST['taker_name']})";
}
if (!empty($user_email)) {
$output = "Details of {$user_data}:<br><br>" . $output;
}
$admin_email = empty($exam->admin_email) ? get_option('admin_email') : $exam->admin_email;
$admin_subject = str_replace('%%QUIZ_NAME%%', stripslashes($exam->name), $admin_subject);
wp_mail($admin_email, $admin_subject, $output, $headers);
}
}
