function watupro_my_exams($passed_cat_ids = "", $orderby = "tE.ID")
{
global $wpdb, $user_ID;
// admin can see this for every student
if (!empty($_GET['user_id']) and current_user_can(WATUPRO_MANAGE_CAPS)) {
$user_id = $_GET['user_id'];
} else {
$user_id = $user_ID;
}
$user = $wpdb->get_row($wpdb->prepare("SELECT * FROM {$wpdb->users} WHERE ID=%d", $user_id));
// select what categories I have access to
get_currentuserinfo();
$cat_ids = WTPCategory::user_cats($user_id);
if (!empty($passed_cat_ids)) {
$passed_cat_ids = explode(",", $passed_cat_ids);
$cat_ids = array_intersect($cat_ids, $passed_cat_ids);
}
$cat_id_sql = implode(",", $cat_ids);
list($my_exams, $takings, $num_taken) = WTPExam::my_exams($user_id, $cat_id_sql, $orderby);
// intelligence dependencies
if (watupro_intel()) {
require_once WATUPRO_PATH . "/i/models/dependency.php";
$my_exams = WatuPRODependency::mark($my_exams, $takings);
}
$num_to_take = sizeof($my_exams) - $num_taken;
$dateformat = get_option('date_format');
wp_enqueue_script('thickbox', null, array('jquery'));
wp_enqueue_style('thickbox.css', '/' . WPINC . '/js/thickbox/thickbox.css', null, '1.0');
wp_enqueue_style('style.css', plugins_url() . '/watupro/style.css', null, '1.0');
if (@file_exists(get_stylesheet_directory() . '/watupro/my_exams.php')) {
require get_stylesheet_directory() . '/watupro/my_exams.php';
} else {
require WATUPRO_PATH . "/views/my_exams.php";
}
}
static function skills($report_user_id, $has_tabs = true)
{
global $wpdb;
// select exam categories that I can access
$cat_ids = WTPCategory::user_cats($report_user_id);
$cat_id_sql = implode(",", $cat_ids);
$exam_cats = $wpdb->get_results("SELECT * FROM " . WATUPRO_CATS . " WHERE ID IN ({$cat_id_sql}) ORDER BY name");
// question categories
$q_cats = $wpdb->get_results("SELECT * FROM " . WATUPRO_QCATS . " ORDER BY name");
// add uncategorized
$q_cats[] = (object) array("ID" => 0, "name" => __('Uncategorized', 'watupro'));
// exam category filter?
$exam_cat_sql = @$_POST['cat'] < 0 ? $cat_id_sql : @$_POST['cat'];
// now select all exams I have access to
list($my_exams) = WTPExam::my_exams($report_user_id, $exam_cat_sql);
$skill_filter = empty($_POST['skill_filter']) ? "all" : $_POST['skill_filter'];
// practiced only?
if ($skill_filter == 'practiced') {
$final_exams = array();
foreach ($my_exams as $exam) {
if (!empty($exam->taking->ID)) {
$final_exams[] = $exam;
}
}
$my_exams = $final_exams;
}
// proficiency filter selected? If yes, we'll need to limit exams
// to those that are taken with at least $_POST['proficiency_goal'] % correct answers
if ($skill_filter == 'proficient') {
$final_exams = array();
foreach ($my_exams as $exam) {
if (!empty($exam->taking->ID) and $exam->taking->percent_correct >= $_POST['proficiency_goal']) {
$final_exams[] = $exam;
}
}
// end exams loop
$my_exams = $final_exams;
}
// for each exam select match answers and fill % correct info by category
$taking_ids = array(0);
foreach ($my_exams as $my_exam) {
if (!empty($my_exam->taking->ID)) {
$taking_ids[] = $my_exam->taking->ID;
}
}
$user_answers = $wpdb->get_results("SELECT tA.is_correct as is_correct, tA.taking_id as taking_id, tQ.cat_id as cat_id \n\t\t\tFROM " . WATUPRO_STUDENT_ANSWERS . " tA JOIN " . WATUPRO_QUESTIONS . " tQ ON tQ.ID = tA.question_id\n\t\t\tWHERE tA.taking_id IN (" . implode(',', $taking_ids) . ") ORDER BY tA.ID");
foreach ($my_exams as $cnt => $my_exam) {
if (empty($my_exam->taking->ID)) {
continue;
}
$cats = array();
foreach ($user_answers as $answer) {
if ($answer->taking_id != $my_exam->taking->ID) {
continue;
}
$correct_key = $answer->is_correct ? 'num_correct' : 'num_incorrect';
if (isset($cats[$answer->cat_id][$correct_key])) {
$cats[$answer->cat_id][$correct_key]++;
} else {
$cats[$answer->cat_id][$correct_key] = 1;
}
}
// now foreach cat calculate the correctness
foreach ($cats as $cat_id => $cat) {
$num_correct = isset($cat['num_correct']) ? $cat['num_correct'] : 0;
$num_incorrect = isset($cat['num_incorrect']) ? $cat['num_incorrect'] : 0;
$total = $num_correct + $num_incorrect;
$percentage = $total ? round(100 * $num_correct / $total) : 0;
$cats[$cat_id]['percentage'] = $percentage;
}
// finally add cats to exam
$my_exams[$cnt]->cats = $cats;
}
// group exams by question category
$skills = array();
// skills equal question categories
$num_proficient = 0;
foreach ($q_cats as $q_cat) {
// skill filter (question category) selected in the drop-down?
if (@$_POST['q_cat'] > -1 and $q_cat->ID != @$_POST['q_cat']) {
continue;
}
// now construct array of this category along with the exams in it
// then add in $skills. $skills is the final array that we'll use in the view
$exams = array();
foreach ($my_exams as $exam) {
$has_questions = $wpdb->get_var($wpdb->prepare("SELECT ID FROM " . WATUPRO_QUESTIONS . " \n\t\t\t\t \tWHERE exam_id=%d AND cat_id=%d AND is_inactive=0 AND is_survey=0", $exam->ID, $q_cat->ID));
if (!$has_questions) {
continue;
}
$exams[] = $exam;
}
$skills[] = array("category" => $q_cat, "exams" => $exams, "id" => $q_cat->ID);
if (sizeof($exams)) {
$num_proficient++;
}
// proficient in X skills
}
// by default $skills is ordered by category (name). Do we have to reorder?
// NOT SURE THIS MAKES SENSE, SO FOR NOW NYI
if (!empty($_POST['sort_skills']) and $_POST['sort_skills'] == 'proficiency') {
// Sort by sum of proficiency of latest taking of the exams in this category
// let's create an array that'll contain only cat ID and cumulative proficiency
// for easier sorting
$cat_ids = array();
foreach ($skills as $skill) {
// NYI
}
}
if (@file_exists(get_stylesheet_directory() . '/watupro/reports/skills.php')) {
require get_stylesheet_directory() . '/watupro/reports/skills.php';
} else {
require WATUPRO_PATH . "/modules/reports/views/skills.php";
}
}