function course_unit_details($atts)
{
global $post_id, $wp, $coursepress;
extract(shortcode_atts(apply_filters('shortcode_atts_course_unit_details', array('unit_id' => 0, 'field' => 'post_title', 'format' => 'true', 'additional' => '2', 'style' => 'flat', 'class' => 'course-name-content', 'tooltip_alt' => __('Percent of the unit completion', 'cp'), 'knob_fg_color' => '#24bde6', 'knob_bg_color' => '#e0e6eb', 'knob_data_thickness' => '.35', 'knob_data_width' => '70', 'knob_data_height' => '70', 'unit_title' => '', 'unit_page_title_tag' => 'h3', 'unit_page_title_tag_class' => '', 'last_visited' => 'false', 'parent_course_preceding_content' => __('Course: ', 'cp'), 'student_id' => get_current_user_ID(), 'decimal_places' => '0')), $atts));
$unit_id = (int) $unit_id;
$field = sanitize_html_class($field);
$format = sanitize_text_field($format);
$format = 'true' == $format ? true : false;
$additional = sanitize_text_field($additional);
$style = sanitize_html_class($style);
$tooltip_alt = sanitize_text_field($tooltip_alt);
$knob_fg_color = sanitize_text_field($knob_fg_color);
$knob_bg_color = sanitize_text_field($knob_bg_color);
$knob_data_thickness = sanitize_text_field($knob_data_thickness);
$knob_data_width = (int) $knob_data_width;
$knob_data_height = (int) $knob_data_height;
$unit_title = sanitize_text_field($unit_title);
$unit_page_title_tag = sanitize_html_class($unit_page_title_tag);
$unit_page_title_tag_class = sanitize_html_class($unit_page_title_tag_class);
$parent_course_preceding_content = sanitize_text_field($parent_course_preceding_content);
$student_id = (int) $student_id;
$last_visited = sanitize_text_field($last_visited);
$last_visited = 'true' == $last_visited ? true : false;
$class = sanitize_html_class($class);
$decimal_places = sanitize_text_field($decimal_places);
if ($unit_id == 0) {
$unit_id = get_the_ID();
}
$unit = new Unit($unit_id);
if (!isset($unit->details)) {
$unit->details = new stdClass();
}
$student = new Student(get_current_user_id());
$class = sanitize_html_class($class);
if ($field == 'is_unit_available') {
$unit->details->{$field} = Unit::is_unit_available($unit_id);
}
if ($field == 'unit_page_title') {
$paged = isset($wp->query_vars['paged']) ? absint($wp->query_vars['paged']) : 1;
$page_name = $unit->get_unit_page_name($paged);
if ($unit_title !== '') {
$page_title_prepend = $unit_title . ': ';
} else {
$page_title_prepend = '';
}
$show_title_array = get_post_meta($unit_id, 'show_page_title', true);
$show_title = false;
if (isset($show_title_array[$paged - 1]) && 'yes' == $show_title_array[$paged - 1]) {
$show_title = true;
}
if (!empty($page_name) && $show_title) {
$unit->details->{$field} = '<' . $unit_page_title_tag . '' . ($unit_page_title_tag_class !== '' ? ' class="' . $unit_page_title_tag_class . '"' : '') . '>' . $page_title_prepend . $unit->get_unit_page_name($paged) . '</' . $unit_page_title_tag . '>';
} else {
$unit->details->{$field} = '';
}
}
if ($field == 'parent_course') {
$course = new Course($unit->course_id);
$unit->details->{$field} = $parent_course_preceding_content . '<a href="' . $course->get_permalink() . '" class="' . $class . '">' . $course->details->post_title . '</a>';
}
/* ------------ */
$front_save_count = 0;
$modules = Unit_Module::get_modules($unit_id);
$mandatory_answers = 0;
$mandatory = 'no';
foreach ($modules as $mod) {
$mandatory = get_post_meta($mod->ID, 'mandatory_answer', true);
if ($mandatory == 'yes') {
$mandatory_answers++;
}
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
$front_save_count++;
}
}
}
$input_modules_count = $front_save_count;
/* ------------ */
//$input_modules_count = do_shortcode( '[course_unit_details field="input_modules_count" unit_id="' . $unit_id . '"]' );
$responses_count = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $module) {
if (Unit_Module::did_student_respond($module->ID, $student_id)) {
$responses_count++;
}
}
$student_modules_responses_count = $responses_count;
//$student_modules_responses_count = do_shortcode( '[course_unit_details field="student_module_responses" unit_id="' . $unit_id . '"]' );
if ($student_modules_responses_count > 0) {
$percent_value = $mandatory_answers > 0 ? round(100 / $mandatory_answers * $student_modules_responses_count, 0) : 0;
$percent_value = $percent_value > 100 ? 100 : $percent_value;
//in case that student gave answers on all mandatory plus optional questions
} else {
$percent_value = 0;
}
if ($input_modules_count == 0) {
$grade = 0;
$front_save_count = 0;
$assessable_answers = 0;
$responses = 0;
$graded = 0;
//$input_modules_count = do_shortcode( '[course_unit_details field="input_modules_count" unit_id="' . get_the_ID() . '"]' );
$modules = Unit_Module::get_modules($unit_id);
if ($input_modules_count > 0) {
foreach ($modules as $mod) {
$class_name = $mod->module_type;
$assessable = get_post_meta($mod->ID, 'gradable_answer', true);
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
if ($assessable == 'yes') {
$assessable_answers++;
}
$front_save_count++;
$response = call_user_func($class_name . '::get_response', $student_id, $mod->ID);
if (isset($response->ID)) {
$grade_data = Unit_Module::get_response_grade($response->ID);
$grade = $grade + $grade_data['grade'];
if (get_post_meta($response->ID, 'response_grade')) {
$graded++;
}
$responses++;
}
} else {
//read only module
}
}
}
$percent_value = $format == true ? ($responses == $graded && $responses == $front_save_count ? '<span class="grade-active">' : '<span class="grade-inactive">') . ($grade > 0 ? round($grade / $assessable_answers, 0) : 0) . '</span>' : ($grade > 0 ? round($grade / $assessable_answers, 0) : 0);
} else {
$student = new Student($student_id);
if ($student->is_unit_visited($unit_id, $student_id)) {
$grade = 100;
$percent_value = $format == true ? '<span class="grade-active">' . $grade . '</span>' : $grade;
} else {
$grade = 0;
$percent_value = $format == true ? '<span class="grade-inactive">' . $grade . '</span>' : $grade;
}
}
//$percent_value = do_shortcode( '[course_unit_details field="student_unit_grade" unit_id="' . get_the_ID() . '"]' );
}
//redirect to the parent course page if not enrolled
if (!current_user_can('manage_options')) {
if (!$coursepress->check_access($unit->course_id, $unit_id)) {
// if( defined('DOING_AJAX') && DOING_AJAX ) { cp_write_log('doing ajax'); }
//ob_start();
wp_redirect(get_permalink($unit->course_id));
exit;
}
}
if ($field == 'percent') {
// $completion = new Course_Completion( $unit->course_id );
// $completion->init_student_status();
// $percent_value = $completion->unit_progress( $unit_id );
$percent_value = number_format_i18n(Student_Completion::calculate_unit_completion($student_id, $unit->course_id, $unit_id), $decimal_places);
$assessable_input_modules_count = do_shortcode('[course_unit_details field="assessable_input_modules_count"]');
if ($style == 'flat') {
$unit->details->{$field} = '<span class="percentage">' . ($format == true ? $percent_value . '%' : $percent_value) . '</span>';
} elseif ($style == 'none') {
$unit->details->{$field} = $percent_value;
} else {
$unit->details->{$field} = '<a class="tooltip" alt="' . $tooltip_alt . '"><input class="knob" data-fgColor="' . $knob_fg_color . '" data-bgColor="' . $knob_bg_color . '" data-thickness="' . $knob_data_thickness . '" data-width="' . $knob_data_width . '" data-height="' . $knob_data_height . '" data-readOnly=true value="' . $percent_value . '"></a>';
}
}
if ($field == 'permalink') {
if ($last_visited) {
$last_visited_page = cp_get_last_visited_unit_page($unit_id);
$unit->details->{$field} = Unit::get_permalink($unit_id, $unit->course_id) . 'page/' . trailingslashit($last_visited_page);
} else {
$unit->details->{$field} = Unit::get_permalink($unit_id, $unit->course_id);
}
}
if ($field == 'input_modules_count') {
$front_save_count = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $mod) {
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
$front_save_count++;
}
}
}
$unit->details->{$field} = $front_save_count;
}
if ($field == 'mandatory_input_modules_count') {
$front_save_count = 0;
$mandatory_answers = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $mod) {
$mandatory_answer = get_post_meta($mod->ID, 'mandatory_answer', true);
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
if ($mandatory_answer == 'yes') {
$mandatory_answers++;
}
//$front_save_count++;
}
}
}
$unit->details->{$field} = $mandatory_answers;
}
if ($field == 'assessable_input_modules_count') {
$front_save_count = 0;
$assessable_answers = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $mod) {
$assessable = get_post_meta($mod->ID, 'gradable_answer', true);
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
if ($assessable == 'yes') {
$assessable_answers++;
}
//$front_save_count++;
}
}
}
if (isset($unit->details->{$field})) {
$unit->details->{$field} = $assessable_answers;
}
}
if ($field == 'student_module_responses') {
$responses_count = 0;
$mandatory_answers = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $module) {
$mandatory = get_post_meta($module->ID, 'mandatory_answer', true);
if ($mandatory == 'yes') {
$mandatory_answers++;
}
if (Unit_Module::did_student_respond($module->ID, $student_id)) {
$responses_count++;
}
}
if ($additional == 'mandatory') {
if ($responses_count > $mandatory_answers) {
$unit->details->{$field} = $mandatory_answers;
} else {
$unit->details->{$field} = $responses_count;
}
//so we won't have 7 of 6 mandatory answered but mandatory number as a max number
} else {
$unit->details->{$field} = $responses_count;
}
}
if ($field == 'student_unit_grade') {
$grade = 0;
$front_save_count = 0;
$responses = 0;
$graded = 0;
$input_modules_count = do_shortcode('[course_unit_details field="input_modules_count" unit_id="' . get_the_ID() . '"]');
$modules = Unit_Module::get_modules($unit_id);
$mandatory_answers = 0;
$assessable_answers = 0;
if ($input_modules_count > 0) {
foreach ($modules as $mod) {
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
$front_save_count++;
$response = call_user_func($class_name . '::get_response', $student_id, $mod->ID);
$assessable = get_post_meta($mod->ID, 'gradable_answer', true);
$mandatory = get_post_meta($mod->ID, 'mandatory_answer', true);
if ($assessable == 'yes') {
$assessable_answers++;
}
if (isset($response->ID)) {
if ($assessable == 'yes') {
$grade_data = Unit_Module::get_response_grade($response->ID);
$grade = $grade + $grade_data['grade'];
if (get_post_meta($response->ID, 'response_grade')) {
$graded++;
}
$responses++;
}
}
} else {
//read only module
}
}
}
$unit->details->{$field} = $format == true ? ($responses == $graded && $responses == $front_save_count ? '<span class="grade-active">' : '<span class="grade-inactive">') . ($grade > 0 ? round($grade / $assessable_answers, 0) : 0) . '%</span>' : ($grade > 0 ? round($grade / $assessable_answers, 0) : 0);
} else {
$student = new Student($student_id);
if ($student->is_unit_visited($unit_id, $student_id)) {
$grade = 100;
$unit->details->{$field} = $format == true ? '<span class="grade-active">' . $grade . '%</span>' : $grade;
} else {
$grade = 0;
$unit->details->{$field} = $format == true ? '<span class="grade-inactive">' . $grade . '%</span>' : $grade;
}
}
}
if ($field == 'student_unit_modules_graded') {
$grade = 0;
$front_save_count = 0;
$responses = 0;
$graded = 0;
$modules = Unit_Module::get_modules($unit_id);
foreach ($modules as $mod) {
$class_name = $mod->module_type;
if (class_exists($class_name)) {
if (constant($class_name . '::FRONT_SAVE')) {
$front_save_count++;
$response = call_user_func($class_name . '::get_response', $student_id, $mod->ID);
if (isset($response->ID)) {
$grade_data = Unit_Module::get_response_grade($response->ID);
$grade = $grade + $grade_data['grade'];
if (get_post_meta($response->ID, 'response_grade')) {
$graded++;
}
$responses++;
}
} else {
//read only module
}
}
}
$unit->details->{$field} = $graded;
}
if (isset($unit->details->{$field})) {
return $unit->details->{$field};
}
}