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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Exercise library
- * @todo convert this lib into a static class
- *
- * shows a question and its answers
- * @package chamilo.exercise
- * @author Olivier Brouckaert <oli.brouckaert@skynet.be>
- * @version $Id: exercise.lib.php 22247 2009-07-20 15:57:25Z ivantcholakov $
- * Modified by Hubert Borderiou 2011-10-21 Question Category
- */
- /**
- * Code
- */
- function get_exercise_track_exercise_info($exe_id) {
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $TBL_COURSE = Database::get_main_table(TABLE_MAIN_COURSE);
- $exe_id = intval($exe_id);
- $result = array();
- if (!empty($exe_id)) {
- $sql_fb_type = "SELECT q.*, tee.*
- FROM $TBL_EXERCICES as q
- INNER JOIN $TBL_TRACK_EXERCICES as tee
- ON q.id=tee.exe_exo_id
- INNER JOIN $TBL_COURSE c
- ON c.code = tee.exe_cours_id
- WHERE tee.exe_id=$exe_id
- AND q.c_id=c.id";
- $res_fb_type = Database::query($sql_fb_type);
- $result = Database::fetch_array($res_fb_type, 'ASSOC');
- }
- return $result;
- }
- /**
- * Validates the time control key
- */
- function exercise_time_control_is_valid($exercise_id, $lp_id = 0 , $lp_item_id = 0) {
- $course_id = api_get_course_int_id();
- $exercise_id = intval($exercise_id);
- $TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
- $sql = "SELECT expired_time FROM $TBL_EXERCICES WHERE c_id = $course_id AND id = $exercise_id";
- $result = Database::query($sql);
- $row = Database::fetch_array($result, 'ASSOC');
- if (!empty($row['expired_time']) ) {
- $current_expired_time_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id);
- if (isset($_SESSION['expired_time'][$current_expired_time_key])) {
- $current_time = time();
- $expired_time = api_strtotime($_SESSION['expired_time'][$current_expired_time_key], 'UTC');
- $total_time_allowed = $expired_time + 30;
- //error_log('expired time converted + 30: '.$total_time_allowed);
- //error_log('$current_time: '.$current_time);
- if ($total_time_allowed < $current_time) {
- return false;
- }
- return true;
- } else {
- return false;
- }
- } else {
- return true;
- }
- }
- /**
- Deletes the time control token
- */
- function exercise_time_control_delete($exercise_id, $lp_id = 0 , $lp_item_id = 0) {
- $current_expired_time_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id);
- unset($_SESSION['expired_time'][$current_expired_time_key]);
- }
- /**
- Generates the time control key
- */
- function get_time_control_key($exercise_id, $lp_id = 0, $lp_item_id = 0) {
- $exercise_id = intval($exercise_id);
- $lp_id = intval($lp_id);
- $lp_item_id = intval($lp_item_id);
- return api_get_course_int_id().'_'.api_get_session_id().'_'.$exercise_id.'_'.api_get_user_id().'_'.$lp_id.'_'.$lp_item_id;
- }
- /**
- * Get session time control
- */
- function get_session_time_control_key($exercise_id, $lp_id = 0, $lp_item_id = 0) {
- $return_value = 0;
- $time_control_key = get_time_control_key($exercise_id, $lp_id, $lp_item_id);
- if (isset($_SESSION['expired_time']) && isset($_SESSION['expired_time'][$time_control_key])) {
- $return_value = $_SESSION['expired_time'][$time_control_key];
- }
- return $return_value;
- }
- /**
- * Gets count of exam results
- * @todo this function should be moved in a library + no global calls
- */
- function get_count_exam_results($exercise_id, $extra_where_conditions) {
- $count = get_exam_results_data(null, null, null, null, $exercise_id, $extra_where_conditions, true);
- return $count;
- }
- function get_count_exam_hotpotatoes_results($in_hotpot_path) {
- return get_exam_results_hotpotatoes_data(0, 0, '', '', $in_hotpot_path, true, '');
- }
- //function get_exam_results_hotpotatoes_data($from, $number_of_items, $column, $direction, $exercise_id, $extra_where_conditions = null, $get_count = false) {
- function get_exam_results_hotpotatoes_data($in_from, $in_number_of_items, $in_column, $in_direction, $in_hotpot_path, $in_get_count = false, $where_condition = null) {
- $tab_res = array();
- $course_code = api_get_course_id();
- // by default in_column = 1 If parameters given, it is the name of the column witch is the bdd field name
- if ($in_column == 1) {
- $in_column = 'firstname';
- }
- $TBL_TRACK_HOTPOTATOES = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
- $TBL_GROUP_REL_USER = Database :: get_course_table(TABLE_GROUP_USER);
- $TBL_GROUP = Database :: get_course_table(TABLE_GROUP);
- $TBL_USER = Database :: get_main_table(TABLE_MAIN_USER);
- $sql .= "SELECT * FROM $TBL_TRACK_HOTPOTATOES thp JOIN $TBL_USER u ON thp.exe_user_id = u.user_id WHERE thp.exe_cours_id = '$course_code' AND exe_name LIKE '$in_hotpot_path%'";
- // just count how many answers
- if ($in_get_count) {
- $res = Database::query($sql);
- return Database::num_rows($res);
- }
- // get a number of sorted results
- $sql .= " $where_condition ORDER BY $in_column $in_direction LIMIT $in_from, $in_number_of_items";
- $res = Database::query($sql);
- while ($data = Database::fetch_array($res)) {
- $tab_one_res = array();
- $tab_one_res['firstname'] = $data['firstname'];
- $tab_one_res['lastname'] = $data['lastname'];
- $tab_one_res['username'] = $data['username'];
- $tab_one_res['group_name'] = implode("<br/>",GroupManager::get_user_group_name($data['user_id']));
- $tab_one_res['exe_date'] = $data['exe_date'];
- $tab_one_res['score'] = $data['exe_result'].'/'.$data['exe_weighting'];
- $tab_one_res['actions'] = "";
- $tab_res[] = $tab_one_res;
- }
- return $tab_res;
- }
- /**
- * Gets the exam'data results
- * @todo this function should be moved in a library + no global calls
- */
- function get_exam_results_data($from, $number_of_items, $column, $direction, $exercise_id, $extra_where_conditions = null, $get_count = false) {
- //@todo replace all this globals
- global $documentPath, $filter;
- if (empty($extra_where_conditions)) {
- $extra_where_conditions = "1 = 1 ";
- }
- $course_id = api_get_course_int_id();
- $course_code = api_get_course_id();
- $is_allowedToEdit = api_is_allowed_to_edit(null,true) || api_is_allowed_to_edit(true) || api_is_drh();
- $TBL_USER = Database :: get_main_table(TABLE_MAIN_USER);
- $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST);
- $TBL_GROUP_REL_USER = Database :: get_course_table(TABLE_GROUP_USER);
- $TBL_GROUP = Database :: get_course_table(TABLE_GROUP);
- $TBL_TRACK_EXERCICES = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $TBL_TRACK_HOTPOTATOES = Database :: get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
- $TBL_TRACK_ATTEMPT_RECORDING= Database :: get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT_RECORDING);
- $session_id_and = ' AND te.session_id = '.api_get_session_id().' ';
- $exercise_id = intval($exercise_id);
- $exercise_where = '';
- if (!empty($exercise_id)) {
- $exercise_where .= ' AND te.exe_exo_id = '.$exercise_id.' ';
- }
- $hotpotatoe_where = '';
- if (!empty($_GET['path'])) {
- $hotpotatoe_path = Database::escape_string($_GET['path']);
- $hotpotatoe_where .= ' AND exe_name = "'.$hotpotatoe_path.'" ';
- }
- // sql for chamilo-type tests for teacher / tutor view
- $sql_inner_join_tbl_track_exercices = " (
- SELECT DISTINCT ttte.*, if(tr.exe_id,1, 0) as revised
- FROM $TBL_TRACK_EXERCICES ttte LEFT JOIN $TBL_TRACK_ATTEMPT_RECORDING tr
- ON (ttte.exe_id = tr.exe_id)
- WHERE exe_cours_id = '$course_code' AND
- exe_exo_id = $exercise_id AND
- ttte.session_id = ".api_get_session_id()."
- )";
- if ($is_allowedToEdit) {
- //Teacher view
- if (isset($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
- //$exercise_where_query = ' te.exe_exo_id = ce.id AND ';
- }
- $sqlFromOption = "";
- $sqlWhereOption = ""; // for hpsql
- //@todo fix to work with COURSE_RELATION_TYPE_RRHH in both queries
- //Hack in order to filter groups
- $sql_inner_join_tbl_user = '';
- if (strpos($extra_where_conditions, 'group_id')) {
- $sql_inner_join_tbl_user = "
- (
- SELECT u.user_id, firstname, lastname, email, username, g.name as group_name, g.id as group_id
- FROM $TBL_USER u
- INNER JOIN $TBL_GROUP_REL_USER gru ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id.")
- INNER JOIN $TBL_GROUP g ON (gru.group_id = g.id AND g.c_id=".$course_id.")
- )";
- }
- if (strpos($extra_where_conditions, 'group_all')) {
- $extra_where_conditions = str_replace("AND ( group_id = 'group_all' )", '', $extra_where_conditions);
- $extra_where_conditions = str_replace("AND group_id = 'group_all'", '', $extra_where_conditions);
- $extra_where_conditions = str_replace("group_id = 'group_all' AND", '', $extra_where_conditions);
- $sql_inner_join_tbl_user = "
- (
- SELECT u.user_id, firstname, lastname, email, username, '' as group_name, '' as group_id
- FROM $TBL_USER u
- )";
- $sql_inner_join_tbl_user = null;
- }
- if (strpos($extra_where_conditions, 'group_none')) {
- $extra_where_conditions = str_replace("AND ( group_id = 'group_none' )", "AND ( group_id is null )", $extra_where_conditions);
- $extra_where_conditions = str_replace("AND group_id = 'group_none'", "AND ( group_id is null )", $extra_where_conditions);
- $sql_inner_join_tbl_user = "
- (
- SELECT u.user_id, firstname, lastname, email, username, g.name as group_name, g.id as group_id
- FROM $TBL_USER u
- LEFT OUTER JOIN $TBL_GROUP_REL_USER gru ON ( gru.user_id = u.user_id AND gru.c_id=".$course_id." )
- LEFT OUTER JOIN $TBL_GROUP g ON (gru.group_id = g.id AND g.c_id = ".$course_id.")
- )";
- }
- //All
- $is_empty_sql_inner_join_tbl_user = false;
- if (empty($sql_inner_join_tbl_user)) {
- $is_empty_sql_inner_join_tbl_user = true;
- $sql_inner_join_tbl_user = "
- (
- SELECT u.user_id, firstname, lastname, email, username, ' ' as group_name, '' as group_id
- FROM $TBL_USER u
- )";
- }
- $sqlFromOption = " , $TBL_GROUP_REL_USER AS gru ";
- $sqlWhereOption = " AND gru.c_id = ".api_get_course_int_id()." AND gru.user_id = user.user_id ";
- $first_and_last_name = api_is_western_name_order() ? "firstname, lastname" : "lastname, firstname";
- if ($get_count) {
- $sql_select = "SELECT count(te.exe_id) ";
- } else {
- $sql_select = "SELECT DISTINCT
- user_id,
- $first_and_last_name,
- ce.title,
- username,
- te.exe_result,
- te.exe_weighting,
- te.exe_date,
- te.exe_id,
- email as exemail,
- te.start_date,
- steps_counter,
- exe_user_id,
- te.exe_duration,
- propagate_neg,
- revised,
- group_name,
- group_id,
- orig_lp_id";
- }
- $sql = " $sql_select
- FROM $TBL_EXERCICES AS ce
- INNER JOIN $sql_inner_join_tbl_track_exercices AS te ON (te.exe_exo_id = ce.id)
- INNER JOIN $sql_inner_join_tbl_user AS user ON (user.user_id = exe_user_id)
- WHERE $extra_where_conditions AND
- te.status != 'incomplete'
- AND te.exe_cours_id='" . api_get_course_id() . "' $session_id_and
- AND ce.active <>-1
- AND ce.c_id=".api_get_course_int_id()."
- $exercise_where ";
- // sql for hotpotatoes tests for teacher / tutor view
- if ($get_count) {
- $hpsql_select = "SELECT count(username)";
- } else {
- $hpsql_select = "SELECT
- $first_and_last_name ,
- username,
- tth.exe_name,
- tth.exe_result ,
- tth.exe_weighting,
- tth.exe_date";
- }
- $hpsql = " $hpsql_select
- FROM
- $TBL_TRACK_HOTPOTATOES tth,
- $TBL_USER user
- $sqlFromOption
- WHERE
- user.user_id=tth.exe_user_id
- AND tth.exe_cours_id = '" . api_get_course_id()."'
- $hotpotatoe_where
- $sqlWhereOption
- AND $where_condition
- ORDER BY
- tth.exe_cours_id ASC,
- tth.exe_date DESC";
- }
- if ($get_count) {
- $resx = Database::query($sql);
- $rowx = Database::fetch_row($resx,'ASSOC');
- return $rowx[0];
- }
- $teacher_list = CourseManager::get_teacher_list_from_course_code(api_get_course_id());
- $teacher_id_list = array();
- foreach ($teacher_list as $teacher) {
- $teacher_id_list[] = $teacher['user_id'];
- }
- //Simple exercises
- if (empty($hotpotatoe_where)) {
- $column = !empty($column) ? Database::escape_string($column) : null;
- $from = intval($from);
- $number_of_items = intval($number_of_items);
- if (!empty($column)) {
- $sql .= " ORDER BY $column $direction ";
- }
- $sql .= " LIMIT $from, $number_of_items";
- $results = array();
- $resx = Database::query($sql);
- while ($rowx = Database::fetch_array($resx,'ASSOC')) {
- $results[] = $rowx;
- }
- $list_info = array();
- $group_list = GroupManager::get_group_list();
- $clean_group_list = array();
- if (!empty($group_list)) {
- foreach ($group_list as $group) {
- $clean_group_list[$group['id']] = $group['name'];
- }
- }
- $lp_list_obj = new learnpathList(api_get_user_id());
- $lp_list = $lp_list_obj->get_flat_list();
- if (is_array($results)) {
- $users_array_id = array();
- if ($_GET['gradebook'] == 'view') {
- $from_gradebook = true;
- }
- $sizeof = count($results);
- $user_list_id = array ();
- $locked = api_resource_is_locked_by_gradebook($exercise_id, LINK_EXERCISE);
- //Looping results
- for ($i = 0; $i < $sizeof; $i++) {
- $revised = $results[$i]['revised'];
- if ($from_gradebook && ($is_allowedToEdit)) {
- if (in_array($results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'], $users_array_id)) {
- continue;
- }
- $users_array_id[] = $results[$i]['username'] . $results[$i]['firstname'] . $results[$i]['lastname'];
- }
- $lp_obj = isset($results[$i]['orig_lp_id']) && isset($lp_list[$results[$i]['orig_lp_id']]) ? $lp_list[$results[$i]['orig_lp_id']] : null;
- $lp_name = null;
- if ($lp_obj) {
- $url = api_get_path(WEB_CODE_PATH).'newscorm/lp_controller.php?'.api_get_cidreq().'&action=view&lp_id='.$results[$i]['orig_lp_id'];
- $lp_name = Display::url($lp_obj['lp_name'], $url, array('target' => '_blank'));
- }
- //Add all groups by user
- $group_name_list = null;
- if ($is_empty_sql_inner_join_tbl_user) {
- $group_list = GroupManager::get_group_ids(api_get_course_int_id(), $results[$i]['user_id']);
- foreach ($group_list as $id) {
- $group_name_list .= $clean_group_list[$id].'<br/>';
- }
- $results[$i]['group_name'] = $group_name_list;
- }
- $results[$i]['exe_duration'] = !empty($results[$i]['exe_duration']) ? round($results[$i]['exe_duration'] / 60) : 0;
- $user_list_id[] = $results[$i]['exe_user_id'];
- $id = $results[$i]['exe_id'];
- $dt = api_convert_and_format_date($results[$i]['exe_weighting']);
- // we filter the results if we have the permission to
- if (isset($results[$i]['results_disabled'])) {
- $result_disabled = intval($results[$i]['results_disabled']);
- } else {
- $result_disabled = 0;
- }
- if ($result_disabled == 0) {
- $my_res = $results[$i]['exe_result'];
- $my_total = $results[$i]['exe_weighting'];
- $results[$i]['start_date'] = api_get_local_time($results[$i]['start_date']);
- $results[$i]['exe_date'] = api_get_local_time($results[$i]['exe_date']);
- if (!$results[$i]['propagate_neg'] && $my_res < 0) {
- $my_res = 0;
- }
- $score = show_score($my_res, $my_total);
- $actions = '';
- if ($is_allowedToEdit) {
- if (isset($teacher_id_list)) {
- if (in_array($results[$i]['exe_user_id'], $teacher_id_list)) {
- $actions .= Display::return_icon('teachers.gif', get_lang('Teacher'));
- }
- }
- if ($revised) {
- $actions .= "<a href='exercise_show.php?".api_get_cidreq()."&action=edit&id=$id'>".Display :: return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL);
- $actions .= ' ';
- } else {
- $actions .="<a href='exercise_show.php?".api_get_cidreq()."&action=qualify&id=$id'>".Display :: return_icon('quiz.gif', get_lang('Qualify'));
- $actions .=' ';
- }
- $actions .="</a>";
- if ($filter == 2) {
- $actions .=' <a href="exercise_history.php?'.api_get_cidreq().'&exe_id=' . $id . '">' .Display :: return_icon('history.gif', get_lang('ViewHistoryChange')).'</a>';
- }
- //Admin can always delete the attempt
- if ($locked == false || api_is_platform_admin()) {
- $ip = TrackingUserLog::get_ip_from_user_event($results[$i]['exe_user_id'], $results[$i]['exe_date'], false);
- $actions .= '<a href="http://www.whatsmyip.org/ip-geo-location/?ip='.$ip.'" target="_blank">
- '.Display::return_icon('info.png', $ip).'</a>';
- $delete_link = '<a href="exercise_report.php?'.api_get_cidreq().'&filter_by_user='.intval($_GET['filter_by_user']).'&filter=' . $filter . '&exerciseId='.$exercise_id.'&delete=delete&did=' . $id . '"
- onclick="javascript:if(!confirm(\'' . sprintf(get_lang('DeleteAttempt'), $results[$i]['username'], $dt) . '\')) return false;">'.Display :: return_icon('delete.png', get_lang('Delete')).'</a>';
- $delete_link = utf8_encode($delete_link);
- $actions .= $delete_link.' ';
- }
- } else {
- $attempt_url = api_get_path(WEB_CODE_PATH).'exercice/result.php?'.api_get_cidreq().'&id='.$results[$i]['exe_id'].'&id_session='.api_get_session_id().'&height=500&width=750';
- $attempt_link = Display::url(get_lang('Show'), $attempt_url, array('class'=>'ajax btn'));
- $actions .= $attempt_link;
- }
- if ($revised) {
- $revised = Display::label(get_lang('Validated'), 'success');
- } else {
- $revised = Display::label(get_lang('NotValidated'), 'info');
- }
- if ($is_allowedToEdit) {
- $results[$i]['status'] = $revised;
- $results[$i]['score'] = $score;
- $results[$i]['lp'] = $lp_name;
- $results[$i]['actions'] = $actions;
- $list_info[] = $results[$i];
- } else {
- $results[$i]['status'] = $revised;
- $results[$i]['score'] = $score;
- $results[$i]['actions'] = $actions;
- $list_info[] = $results[$i];
- }
- }
- }
- }
- } else {
- //echo $hpsql; var_dump($hpsql);
- $hpresults = getManyResultsXCol($hpsql, 6);
- // Print HotPotatoes test results.
- if (is_array($hpresults)) {
- for ($i = 0; $i < sizeof($hpresults); $i++) {
- $hp_title = GetQuizName($hpresults[$i][3], $documentPath);
- if ($hp_title == '') {
- $hp_title = basename($hpresults[$i][3]);
- }
- //var_dump($hpresults[$i]);
- $hp_date = api_get_local_time($hpresults[$i][6], null, date_default_timezone_get());
- $hp_result = round(($hpresults[$i][4] / ($hpresults[$i][5] != 0 ? $hpresults[$i][5] : 1)) * 100, 2).'% ('.$hpresults[$i][4].' / '.$hpresults[$i][5].')';
- if ($is_allowedToEdit) {
- $list_info[] = array($hpresults[$i][0], $hpresults[$i][1], $hpresults[$i][2], '', $hp_title, '-', $hp_date , $hp_result , '-');
- } else {
- $list_info[] = array($hp_title, '-', $hp_date , $hp_result , '-');
- }
- }
- }
- }
- return $list_info;
- }
- /**
- * Converts the score with the exercise_max_note and exercise_min_score the platform settings + formats the results using the float_format function
- *
- * @param float score
- * @param float weight
- * @param bool show porcentage or not
- * @param bool use or not the platform settings
- * @return string an html with the score modified
- */
- function show_score($score, $weight, $show_percentage = true, $use_platform_settings = true, $show_only_percentage = false) {
- if (is_null($score) && is_null($weight)) {
- return '-';
- }
- $max_note = api_get_setting('exercise_max_score');
- $min_note = api_get_setting('exercise_min_score');
- if ($use_platform_settings) {
- if ($max_note != '' && $min_note != '') {
- if (!empty($weight) && intval($weight) != 0) {
- $score = $min_note + ($max_note - $min_note) * $score / $weight;
- } else {
- $score = $min_note;
- }
- $weight = $max_note;
- }
- }
- $percentage = (100 * $score)/ ($weight != 0 ? $weight : 1);
- //Formats values
- $percentage = float_format($percentage, 1);
- $score = float_format($score, 1);
- $weight = float_format($weight, 1);
- $html = null;
- if ($show_percentage) {
- $parent = '(' . $score . ' / ' . $weight . ')';
- $html = $percentage."% $parent";
- if ($show_only_percentage) {
- $html = $percentage."% ";
- }
- } else {
- $html = $score . ' / ' . $weight;
- }
- $html = Display::span($html, array('class' => 'score_exercise'));
- return $html;
- }
- function is_success_exercise_result($score, $weight, $pass_percentage) {
- $percentage = float_format(($score / ($weight != 0 ? $weight : 1)) * 100, 1);
- if (isset($pass_percentage) && !empty($pass_percentage)) {
- if ($percentage >= $pass_percentage) {
- return true;
- }
- }
- return false;
- }
- function show_success_message($score, $weight, $pass_percentage) {
- $res = "";
- if (is_pass_pourcentage_enabled($pass_percentage)) {
- $is_success = is_success_exercise_result($score, $weight, $pass_percentage);
- if ($is_success) {
- $html = get_lang('CongratulationsYouPassedTheTest');
- $icon = Display::return_icon('completed.png', get_lang('Correct'), array(), ICON_SIZE_MEDIUM);
- } else {
- //$html .= Display::return_message(get_lang('YouDidNotReachTheMinimumScore'), 'warning');
- $html = get_lang('YouDidNotReachTheMinimumScore');
- $icon = Display::return_icon('warning.png', get_lang('Wrong'), array(), ICON_SIZE_MEDIUM);
- }
- $html = Display::tag('h4', $html);
- $html .= Display::tag('h5', $icon, array('style' => 'width:40px; padding:2px 10px 0px 0px'));
- $res = $html;
- }
- return $res;
- }
- /**
- * Return true if pass_pourcentage activated (we use the pass pourcentage feature
- * return false if pass_percentage = 0 (we don't use the pass pourcentage feature
- * @param $in_pass_pourcentage
- * @return boolean
- * In this version, pass_percentage and show_success_message are disabled if
- * pass_percentage is set to 0
- */
- function is_pass_pourcentage_enabled($in_pass_pourcentage) {
- return $in_pass_pourcentage > 0;
- }
- /**
- * Converts a numeric value in a percentage example 0.66666 to 66.67 %
- * @param $value
- * @return float Converted number
- */
- function convert_to_percentage($value) {
- $return = '-';
- if ($value != '') {
- $return = float_format($value * 100, 1).' %';
- }
- return $return;
- }
- /**
- * Converts a score/weight values to the platform scale
- * @param float score
- * @param float weight
- * @return float the score rounded converted to the new range
- */
- function convert_score($score, $weight) {
- $max_note = api_get_setting('exercise_max_score');
- $min_note = api_get_setting('exercise_min_score');
- if ($score != '' && $weight != '') {
- if ($max_note != '' && $min_note != '') {
- if (!empty($weight)) {
- $score = $min_note + ($max_note - $min_note) * $score / $weight;
- } else {
- $score = $min_note;
- }
- }
- }
- $score_rounded = float_format($score, 1);
- return $score_rounded;
- }
- /**
- * Getting all active exercises from a course from a session (if a session_id is provided we will show all the exercises in the course + all exercises in the session)
- * @param array course data
- * @param int session id
- * @return array array with exercise data
- */
- function get_all_exercises($course_info = null, $session_id = 0, $check_publication_dates = false) {
- $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST);
- $course_id = api_get_course_int_id();
- if (!empty($course_info) && !empty($course_info['real_id'])) {
- $course_id = $course_info['real_id'];
- }
- if ($session_id == -1) {
- $session_id = 0;
- }
- $now = api_get_utc_datetime();
- $time_conditions = '';
- if ($check_publication_dates) {
- $time_conditions = " AND ((start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now' ) OR "; //start and end are set
- $time_conditions .= " (start_time <> '0000-00-00 00:00:00' AND start_time < '$now' AND end_time = '0000-00-00 00:00:00') OR "; // only start is set
- $time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time <> '0000-00-00 00:00:00' AND end_time > '$now') OR "; // only end is set
- $time_conditions .= " (start_time = '0000-00-00 00:00:00' AND end_time = '0000-00-00 00:00:00')) "; // nothing is set
- }
- if ($session_id == 0) {
- $conditions = array('where'=>array('active = ? AND session_id = ? AND c_id = ? '.$time_conditions => array('1', $session_id, $course_id)), 'order'=>'title');
- } else {
- //All exercises
- $conditions = array('where'=>array('active = ? AND (session_id = 0 OR session_id = ? ) AND c_id = ? '.$time_conditions => array('1', $session_id, $course_id)), 'order'=>'title');
- }
- return Database::select('*',$TBL_EXERCICES, $conditions);
- }
- /**
- * Getting all active exercises from a course from a session (if a session_id is provided we will show all the exercises in the course + all exercises in the session)
- * @param array course data
- * @param int session id
- * @param int course c_id
- * @return array array with exercise data
- * modified by Hubert Borderiou
- */
- function get_all_exercises_for_course_id($course_info = null, $session_id = 0, $course_id=0) {
- $TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST);
- if ($session_id == -1) {
- $session_id = 0;
- }
- if ($session_id == 0) {
- $conditions = array('where'=>array('active = ? AND session_id = ? AND c_id = ?'=>array('1', $session_id, $course_id)), 'order'=>'title');
- } else {
- //All exercises
- $conditions = array('where'=>array('active = ? AND (session_id = 0 OR session_id = ? ) AND c_id=?' =>array('1', $session_id, $course_id)), 'order'=>'title');
- }
- return Database::select('*',$TBL_EXERCICES, $conditions);
- }
- /**
- * Gets the position of the score based in a given score (result/weight) and the exe_id based in the user list
- * (NO Exercises in LPs )
- * @param float user score to be compared *attention* $my_score = score/weight and not just the score
- * @param int exe id of the exercise (this is necesary because if 2 students have the same score the one with the minor exe_id will have a best position, just to be fair and FIFO)
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return int the position of the user between his friends in a course (or course within a session)
- */
- function get_exercise_result_ranking($my_score, $my_exe_id, $exercise_id, $course_code, $session_id = 0, $user_list = array(), $return_string = true) {
- //No score given we return
- if (is_null($my_score)) {
- return '-';
- }
- if (empty($user_list)) {
- return '-';
- }
- $best_attempts = array();
- foreach ($user_list as $user_data) {
- $user_id = $user_data['user_id'];
- $best_attempts[$user_id]= get_best_attempt_by_user($user_id, $exercise_id, $course_code, $session_id);
- }
- if (empty($best_attempts)) {
- return 1;
- } else {
- $position = 1;
- $my_ranking = array();
- foreach($best_attempts as $user_id => $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $my_ranking[$user_id] = $result['exe_result']/$result['exe_weighting'];
- } else {
- $my_ranking[$user_id] = 0;
- }
- }
- //if (!empty($my_ranking)) {
- asort($my_ranking);
- $position = count($my_ranking);
- if (!empty($my_ranking)) {
- foreach ($my_ranking as $user_id => $ranking) {
- if ($my_score >= $ranking) {
- if ($my_score == $ranking) {
- $exe_id = $best_attempts[$user_id]['exe_id'];
- if ($my_exe_id < $exe_id) {
- $position--;
- }
- } else {
- $position--;
- }
- }
- }
- }
- //}
- $return_value = array('position'=>$position, 'count'=>count($my_ranking));
- //var_dump($my_score, $my_ranking);
- if ($return_string) {
- if (!empty($position) && !empty($my_ranking)) {
- $return_value = $position.'/'.count($my_ranking);
- } else {
- $return_value = '-';
- }
- }
- return $return_value;
- }
- }
- /**
- * Gets the position of the score based in a given score (result/weight) and the exe_id based in all attempts
- * (NO Exercises in LPs ) old funcionality by attempt
- * @param float user score to be compared attention => score/weight
- * @param int exe id of the exercise (this is necesary because if 2 students have the same score the one with the minor exe_id will have a best position, just to be fair and FIFO)
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return int the position of the user between his friends in a course (or course within a session)
- */
- function get_exercise_result_ranking_by_attempt($my_score, $my_exe_id, $exercise_id, $course_code, $session_id = 0, $return_string = true) {
- if (empty($session_id)) {
- $session_id = 0;
- }
- if (is_null($my_score)) {
- return '-';
- }
- $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false);
- $position_data = array();
- if (empty($user_results)) {
- return 1;
- } else {
- $position = 1;
- $my_ranking = array();
- foreach($user_results as $result) {
- //print_r($result);
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $my_ranking[$result['exe_id']] = $result['exe_result']/$result['exe_weighting'];
- } else {
- $my_ranking[$result['exe_id']] = 0;
- }
- }
- asort($my_ranking);
- $position = count($my_ranking);
- if (!empty($my_ranking)) {
- foreach($my_ranking as $exe_id=>$ranking) {
- if ($my_score >= $ranking) {
- if ($my_score == $ranking) {
- if ($my_exe_id < $exe_id) {
- $position--;
- }
- } else {
- $position--;
- }
- }
- }
- }
- $return_value = array('position'=>$position, 'count'=>count($my_ranking));
- //var_dump($my_score, $my_ranking);
- if ($return_string) {
- if (!empty($position) && !empty($my_ranking)) {
- return $position.'/'.count($my_ranking);
- }
- }
- return $return_value;
- }
- }
- /*
- * Get the best attempt in a exercise (NO Exercises in LPs )
- */
- function get_best_attempt_in_course($exercise_id, $course_code, $session_id) {
- $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false);
- $best_score_data = array();
- $best_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- if ($score >= $best_score) {
- $best_score = $score;
- $best_score_data = $result;
- }
- }
- }
- }
- return $best_score_data;
- }
- /*
- * Get the best score in a exercise (NO Exercises in LPs )
- */
- function get_best_attempt_by_user($user_id, $exercise_id, $course_code, $session_id) {
- $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id, false, $user_id);
- $best_score_data = array();
- $best_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- if ($score >= $best_score) {
- $best_score = $score;
- $best_score_data = $result;
- }
- }
- }
- }
- return $best_score_data;
- }
- /**
- * Get average score (NO Exercises in LPs )
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return float Average score
- */
- function get_average_score($exercise_id, $course_code, $session_id) {
- $user_results = get_all_exercise_results($exercise_id, $course_code, $session_id);
- $avg_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- $avg_score +=$score;
- }
- }
- $avg_score = float_format($avg_score / count($user_results), 1);
- }
- return $avg_score;
- }
- /**
- * Get average score by score (NO Exercises in LPs )
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return float Average score
- */
- function get_average_score_by_course($course_code, $session_id) {
- $user_results = get_all_exercise_results_by_course($course_code, $session_id, false);
- //echo $course_code.' - '.$session_id.'<br />';
- $avg_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- //var_dump($score);
- $avg_score +=$score;
- }
- }
- //We asume that all exe_weighting
- //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']);
- $avg_score = ($avg_score / count($user_results));
- }
- //var_dump($avg_score);
- return $avg_score;
- }
- function get_average_score_by_course_by_user($user_id, $course_code, $session_id) {
- $user_results = get_all_exercise_results_by_user($user_id, $course_code, $session_id);
- $avg_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- $avg_score +=$score;
- }
- }
- //We asume that all exe_weighting
- //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']);
- $avg_score = ($avg_score / count($user_results));
- }
- return $avg_score;
- }
- /**
- * Get average score by score (NO Exercises in LPs )
- * @param int exercise id
- * @param string course code
- * @param int session id
- * @return float Best average score
- */
- function get_best_average_score_by_exercise($exercise_id, $course_code, $session_id, $user_count) {
- $user_results = get_best_exercise_results_by_user($exercise_id, $course_code, $session_id);
- $avg_score = 0;
- if (!empty($user_results)) {
- foreach($user_results as $result) {
- if (!empty($result['exe_weighting']) && intval($result['exe_weighting']) != 0) {
- $score = $result['exe_result']/$result['exe_weighting'];
- $avg_score +=$score;
- }
- }
- //We asume that all exe_weighting
- //$avg_score = show_score( $avg_score / count($user_results) , $result['exe_weighting']);
- //$avg_score = ($avg_score / count($user_results));
- if(!empty($user_count)) {
- $avg_score = float_format($avg_score / $user_count, 1) * 100;
- } else {
- $avg_score = 0;
- }
- }
- return $avg_score;
- }
- function get_exercises_to_be_taken($course_code, $session_id) {
- $course_info = api_get_course_info($course_code);
- $exercises = get_all_exercises($course_info, $session_id);
- $result = array();
- $now = time() + 15*24*60*60;
- foreach($exercises as $exercise_item) {
- if (isset($exercise_item['end_time']) && !empty($exercise_item['end_time']) && $exercise_item['end_time'] != '0000-00-00 00:00:00' && api_strtotime($exercise_item['end_time'], 'UTC') < $now) {
- $result[] = $exercise_item;
- }
- }
- return $result;
- }
- /**
- * Get student results (only in completed exercises) stats by question
- * @param int question id
- * @param int exercise id
- * @param string course code
- * @param int session id
- *
- * */
- function get_student_stats_by_question($question_id, $exercise_id, $course_code, $session_id) {
- $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $question_id = intval($question_id);
- $exercise_id = intval($exercise_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $sql = "SELECT MAX(marks) as max , MIN(marks) as min, AVG(marks) as average
- FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id)
- WHERE exe_exo_id = $exercise_id AND
- course_code = '$course_code' AND
- e.session_id = $session_id AND
- question_id = $question_id AND status = '' LIMIT 1";
- $result = Database::query($sql);
- $return = array();
- if ($result) {
- $return = Database::fetch_array($result, 'ASSOC');
- }
- return $return;
- }
- function get_number_students_question_with_answer_count($question_id, $exercise_id, $course_code, $session_id) {
- $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $question_id = intval($question_id);
- $exercise_id = intval($exercise_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $sql = "SELECT DISTINCT exe_user_id
- FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) INNER JOIN $course_user cu
- ON cu.course_code = a.course_code AND cu.user_id = exe_user_id
- WHERE exe_exo_id = $exercise_id AND
- a.course_code = '$course_code' AND
- e.session_id = $session_id AND
- question_id = $question_id AND
- answer <> '0' AND
- cu.status = ".STUDENT." AND
- relation_type <> 2 AND
- e.status = ''";
- $result = Database::query($sql);
- $return = 0;
- if ($result) {
- $return = Database::num_rows($result);
- }
- return $return;
- }
- function get_number_students_answer_hotspot_count($answer_id, $question_id, $exercise_id, $course_code, $session_id) {
- $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $track_hotspot = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTSPOT);
- $course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $question_id = intval($question_id);
- $answer_id = intval($answer_id);
- $exercise_id = intval($exercise_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $sql = "SELECT DISTINCT exe_user_id
- FROM $track_exercises e INNER JOIN $track_hotspot a ON (a.hotspot_exe_id = e.exe_id) INNER JOIN $course_user cu
- ON cu.course_code = a.hotspot_course_code AND cu.user_id = exe_user_id
- WHERE exe_exo_id = $exercise_id AND
- a.hotspot_course_code = '$course_code' AND
- e.session_id = $session_id AND
- hotspot_answer_id = $answer_id AND
- hotspot_question_id = $question_id AND
- cu.status = ".STUDENT." AND
- hotspot_correct = 1 AND
- relation_type <> 2 AND
- e.status = ''";
- $result = Database::query($sql);
- $return = 0;
- if ($result) {
- $return = Database::num_rows($result);
- }
- return $return;
- }
- function get_number_students_answer_count($answer_id, $question_id, $exercise_id, $course_code, $session_id, $question_type = null, $correct_answer = null, $current_answer = null) {
- $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $question_id = intval($question_id);
- $answer_id = intval($answer_id);
- $exercise_id = intval($exercise_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- switch ($question_type) {
- case FILL_IN_BLANKS:
- $answer_condition = "";
- $select_condition = " e.exe_id, answer ";
- break;
- case MATCHING:
- default:
- $answer_condition = " answer = $answer_id AND ";
- $select_condition = " DISTINCT exe_user_id ";
- }
- $sql = "SELECT $select_condition
- FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id) INNER JOIN $course_user cu
- ON cu.course_code = a.course_code AND cu.user_id = exe_user_id
- WHERE exe_exo_id = $exercise_id AND
- a.course_code = '$course_code' AND
- e.session_id = $session_id AND
- $answer_condition
- question_id = $question_id AND
- cu.status = ".STUDENT." AND
- relation_type <> 2 AND
- e.status = ''";
- //var_dump($sql);
- $result = Database::query($sql);
- $return = 0;
- if ($result) {
- $good_answers = 0;
- switch ($question_type) {
- case FILL_IN_BLANKS:
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $fill_blank = check_fill_in_blanks($correct_answer, $row['answer']);
- if (isset($fill_blank[$current_answer]) && $fill_blank[$current_answer] == 1 ) {
- $good_answers++;
- }
- }
- return $good_answers;
- break;
- case MATCHING:
- default:
- $return = Database::num_rows($result);
- }
- }
- return $return;
- }
- function check_fill_in_blanks($answer, $user_answer) {
- // the question is encoded like this
- // [A] B [C] D [E] F::10,10,10@1
- // number 1 before the "@" means that is a switchable fill in blank question
- // [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
- // means that is a normal fill blank question
- // first we explode the "::"
- $pre_array = explode('::', $answer);
- // is switchable fill blank or not
- $last = count($pre_array) - 1;
- $is_set_switchable = explode('@', $pre_array[$last]);
- $switchable_answer_set = false;
- if (isset ($is_set_switchable[1]) && $is_set_switchable[1] == 1) {
- $switchable_answer_set = true;
- }
- $answer = '';
- for ($k = 0; $k < $last; $k++) {
- $answer .= $pre_array[$k];
- }
- // splits weightings that are joined with a comma
- $answerWeighting = explode(',', $is_set_switchable[0]);
- // we save the answer because it will be modified
- //$temp = $answer;
- $temp = $answer;
- $answer = '';
- $j = 0;
- //initialise answer tags
- $user_tags = $correct_tags = $real_text = array ();
- // the loop will stop at the end of the text
- while (1) {
- // quits the loop if there are no more blanks (detect '[')
- if (($pos = api_strpos($temp, '[')) === false) {
- // adds the end of the text
- $answer = $temp;
- /* // Deprecated code
- // TeX parsing - replacement of texcode tags
- $texstring = api_parse_tex($texstring);
- $answer = str_replace("{texcode}", $texstring, $answer);
- */
- $real_text[] = $answer;
- break; //no more "blanks", quit the loop
- }
- // adds the piece of text that is before the blank
- //and ends with '[' into a general storage array
- $real_text[] = api_substr($temp, 0, $pos +1);
- $answer .= api_substr($temp, 0, $pos +1);
- //take the string remaining (after the last "[" we found)
- $temp = api_substr($temp, $pos +1);
- // quit the loop if there are no more blanks, and update $pos to the position of next ']'
- if (($pos = api_strpos($temp, ']')) === false) {
- // adds the end of the text
- $answer .= $temp;
- break;
- }
- $str = $user_answer;
- preg_match_all('#\[([^[]*)\]#', $str, $arr);
- $str = str_replace('\r\n', '', $str);
- $choice = $arr[1];
- $tmp = api_strrpos($choice[$j],' / ');
- $choice[$j] = api_substr($choice[$j],0,$tmp);
- $choice[$j] = trim($choice[$j]);
- //Needed to let characters ' and " to work as part of an answer
- $choice[$j] = stripslashes($choice[$j]);
- $user_tags[] = api_strtolower($choice[$j]);
- //put the contents of the [] answer tag into correct_tags[]
- $correct_tags[] = api_strtolower(api_substr($temp, 0, $pos));
- $j++;
- $temp = api_substr($temp, $pos +1);
- }
- $answer = '';
- $real_correct_tags = $correct_tags;
- $chosen_list = array();
- $good_answer = array();
- for ($i = 0; $i < count($real_correct_tags); $i++) {
- if (!$switchable_answer_set) {
- //needed to parse ' and " characters
- $user_tags[$i] = stripslashes($user_tags[$i]);
- if ($correct_tags[$i] == $user_tags[$i]) {
- $good_answer[$correct_tags[$i]] = 1;
- } elseif (!empty ($user_tags[$i])) {
- $good_answer[$correct_tags[$i]] = 0;
- } else {
- $good_answer[$correct_tags[$i]] = 0;
- }
- } else {
- // switchable fill in the blanks
- if (in_array($user_tags[$i], $correct_tags)) {
- $correct_tags = array_diff($correct_tags, $chosen_list);
- $good_answer[$correct_tags[$i]] = 1;
- } elseif (!empty ($user_tags[$i])) {
- $good_answer[$correct_tags[$i]] = 0;
- } else {
- $good_answer[$correct_tags[$i]] = 0;
- }
- }
- // adds the correct word, followed by ] to close the blank
- $answer .= ' / <font color="green"><b>' . $real_correct_tags[$i] . '</b></font>]';
- if (isset ($real_text[$i +1])) {
- $answer .= $real_text[$i +1];
- }
- }
- return $good_answer;
- }
- function get_number_students_finish_exercise($exercise_id, $course_code, $session_id) {
- $track_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $exercise_id = intval($exercise_id);
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- $sql = "SELECT DISTINCT exe_user_id
- FROM $track_exercises e INNER JOIN $track_attempt a ON (a.exe_id = e.exe_id)
- WHERE exe_exo_id = $exercise_id AND
- course_code = '$course_code' AND
- e.session_id = $session_id AND
- status = ''";
- $result = Database::query($sql);
- $return = 0;
- if ($result) {
- $return = Database::num_rows($result);
- }
- return $return;
- }
- /**
- // return the HTML code for a menu with students group
- // @input : $in_name : is the name and the id of the <select>
- // $in_default : default value for option
- // @return : the html code of the <select>
- */
- function displayGroupMenu($in_name, $in_default, $in_onchange="") {
- // check the default value of option
- $tabSelected = array($in_default => " selected='selected' ");
- $res = "";
- $res .= "<select name='$in_name' id='$in_name' onchange='".$in_onchange."' >";
- $res .= "<option value='-1'".$tabSelected["-1"].">-- ".get_lang('AllGroups')." --</option>";
- $res .= "<option value='0'".$tabSelected["0"].">- ".get_lang('NotInAGroup')." -</option>";
- $tabGroups = GroupManager::get_group_list();
- $currentCatId = 0;
- for ($i=0; $i < count($tabGroups); $i++) {
- $tabCategory = GroupManager::get_category_from_group($tabGroups[$i]["id"]);
- if ($tabCategory["id"] != $currentCatId) {
- $res .= "<option value='-1' disabled='disabled'>".$tabCategory["title"]."</option>";
- $currentCatId = $tabCategory["id"];
- }
- $res .= "<option ".$tabSelected[$tabGroups[$i]["id"]]."style='margin-left:40px' value='".$tabGroups[$i]["id"]."'>".$tabGroups[$i]["name"]."</option>";
- }
- $res .= "</select>";
- return $res;
- }
- /**
- * Return a list of group for user with user_id=in_userid separated with in_separator
- * @deprecated ?
- */
- function displayGroupsForUser($in_separator, $in_userid) {
- $res = implode($in_separator, GroupManager::get_user_group_name($in_userid));
- if ($res == "") {
- $res = "<div style='text-align:center'>-</div>";
- }
- return $res;
- }
- function create_chat_exercise_session($exe_id) {
- if (!isset($_SESSION['current_exercises'])) {
- $_SESSION['current_exercises'] = array();
- }
- $_SESSION['current_exercises'][$exe_id] = true;
- }
- function delete_chat_exercise_session($exe_id) {
- if (isset($_SESSION['current_exercises'])) {
- $_SESSION['current_exercises'][$exe_id] = false;
- }
- }
- /**
- * Display the exercise results
- * @param obj exercise obj
- * @param int attempt id (exe_id)
- * @param bool save users results (true) or just show the results (false)
- */
- function display_question_list_by_attempt($objExercise, $exe_id, $save_user_result = false) {
- global $origin, $debug;
- //Getting attempt info
- $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
- //Getting question list
- $question_list = array();
- if (!empty($exercise_stat_info['data_tracking'])) {
- $question_list = explode(',', $exercise_stat_info['data_tracking']);
- } else {
- //Try getting the question list only if save result is off
- if ($save_user_result == false) {
- $question_list = $objExercise->get_validated_question_list();
- }
- error_log("Data tracking is empty! exe_id: $exe_id");
- }
- $counter = 1;
- $total_score = $total_weight = 0;
- $exercise_content = null;
- //Hide results
- $show_results = false;
- $show_only_score = false;
- if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS) {
- $show_results = true;
- }
- if (in_array($objExercise->results_disabled, array(RESULT_DISABLE_SHOW_SCORE_ONLY, RESULT_DISABLE_SHOW_FINAL_SCORE_ONLY_WITH_CATEGORIES))) {
- $show_only_score = true;
- }
- // Not display expected answer, but score, and feedback
- $show_all_but_expected_answer = false;
- if ($objExercise->results_disabled == RESULT_DISABLE_SHOW_SCORE_ONLY && $objExercise->feedback_type == EXERCISE_FEEDBACK_TYPE_END) {
- $show_all_but_expected_answer = true;
- $show_results = true;
- $show_only_score = false;
- }
- if ($show_results || $show_only_score) {
- $user_info = api_get_user_info($exercise_stat_info['exe_user_id']);
- //Shows exercise header
- echo $objExercise->show_exercise_result_header($user_info['complete_name'], api_convert_and_format_date($exercise_stat_info['start_date'], DATE_TIME_FORMAT_LONG), $exercise_stat_info['duration']);
- }
- // Display text when test is finished #4074 and for LP #4227
- $end_of_message = $objExercise->selectTextWhenFinished();
- if (!empty($end_of_message)) {
- Display::display_normal_message($end_of_message, false);
- echo "<div class='clear'> </div>";
- }
- $question_list_answers = array();
- $media_list = array();
- $category_list = array();
- // Loop over all question to show results for each of them, one by one
- if (!empty($question_list)) {
- if ($debug) { error_log('Looping question_list '.print_r($question_list,1));}
- foreach ($question_list as $questionId) {
- // creates a temporary Question object
- $objQuestionTmp = Question::read($questionId);
- //this variable commes from exercise_submit_modal.php
- ob_start();
- // We're inside *one* question. Go through each possible answer for this question
- $result = $objExercise->manage_answer($exercise_stat_info['exe_id'], $questionId, null, 'exercise_result', array(), $save_user_result, true, $show_results, $objExercise->selectPropagateNeg(), $hotspot_delineation_result);
- if (empty($result)) {
- continue;
- }
- $total_score += $result['score'];
- $total_weight += $result['weight'];
- $question_list_answers[] = array(
- 'question' => $result['open_question'],
- 'answer' => $result['open_answer'],
- 'answer_type' => $result['answer_type']
- );
- $my_total_score = $result['score'];
- $my_total_weight = $result['weight'];
- //Category report
- $category_was_added_for_this_test = false;
- if (isset($objQuestionTmp->category) && !empty($objQuestionTmp->category)) {
- $category_list[$objQuestionTmp->category]['score'] += $my_total_score;
- $category_list[$objQuestionTmp->category]['total'] += $my_total_weight;
- $category_was_added_for_this_test = true;
- }
- if (isset($objQuestionTmp->category_list) && !empty($objQuestionTmp->category_list)) {
- foreach($objQuestionTmp->category_list as $category_id) {
- $category_list[$category_id]['score'] += $my_total_score;
- $category_list[$category_id]['total'] += $my_total_weight;
- $category_was_added_for_this_test = true;
- }
- }
- //No category for this question!
- if ($category_was_added_for_this_test == false) {
- $category_list['none']['score'] += $my_total_score;
- $category_list['none']['total'] += $my_total_weight;
- }
- if ($objExercise->selectPropagateNeg() == 0 && $my_total_score < 0) {
- $my_total_score = 0;
- }
- $comnt = null;
- if ($show_results) {
- $comnt = get_comments($exe_id, $questionId);
- if (!empty($comnt)) {
- echo '<b>'.get_lang('Feedback').'</b>';
- echo '<div id="question_feedback">'.$comnt.'</div>';
- }
- }
- $score = array();
- if ($show_results) {
- $score['result'] = get_lang('Score')." : ".show_score($my_total_score, $my_total_weight, false, true);
- $score['pass'] = $my_total_score >= $my_total_weight ? true : false;
- $score['score'] = $my_total_score;
- $score['weight'] = $my_total_weight;
- $score['comments'] = $comnt;
- }
- $contents = ob_get_clean();
- $question_content = '<div class="question_row">';
- if ($show_results) {
- $show_media = false;
- /*if ($objQuestionTmp->parent_id != 0 && !in_array($objQuestionTmp->parent_id, $media_list)) {
- $show_media = true;
- $media_list[] = $objQuestionTmp->parent_id;
- }*/
- //Shows question title an description
- $question_content .= $objQuestionTmp->return_header(null, $counter, $score);
- }
- $counter++;
- $question_content .= $contents;
- $question_content .= '</div>';
- $exercise_content .= $question_content;
- } // end foreach() block that loops over all questions
- }
- $total_score_text = null;
- if ($origin != 'learnpath') {
- if ($show_results || $show_only_score) {
- $total_score_text .= $objExercise->get_question_ribbon($total_score, $total_weight, true);
- }
- }
- if (!empty($category_list) && ($show_results || $show_only_score) ) {
- //Adding total
- $category_list['total'] = array('score' => $total_score, 'total' => $total_weight);
- echo Testcategory::get_stats_table_by_attempt($objExercise->id, $category_list);
- }
- if ($show_all_but_expected_answer) {
- $exercise_content .= "<div class='normal-message'>".get_lang("ExerciseWithFeedbackWithoutCorrectionComment")."</div>";
- }
- echo $total_score_text;
- echo $exercise_content;
- if (!$show_only_score) {
- echo $total_score_text;
- }
- if ($save_user_result) {
- // Tracking of results
- $learnpath_id = $exercise_stat_info['orig_lp_id'];
- $learnpath_item_id = $exercise_stat_info['orig_lp_item_id'];
- $learnpath_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
- if (api_is_allowed_to_session_edit()) {
- update_event_exercice($exercise_stat_info['exe_id'], $objExercise->selectId(), $total_score, $total_weight, api_get_session_id(), $learnpath_id, $learnpath_item_id, $learnpath_item_view_id, $exercise_stat_info['exe_duration'], $question_list, '', array(), $end_date);
- }
- // Send notification ..
- if (!api_is_allowed_to_edit(null,true)) {
- $objExercise->send_notification_for_open_questions($question_list_answers, $origin, $exe_id);
- $objExercise->send_notification_for_oral_questions($question_list_answers, $origin, $exe_id);
- }
- }
- }
- function detectInputAppropriateClass($countLetter)
- {
- $limits = array(
- 0 => 'input-mini',
- 10 => 'input-mini',
- 15 => 'input-medium',
- 20 => 'input-xlarge',
- 40 => 'input-xlarge',
- 60 => 'input-xxlarge',
- 100 => 'input-xxlarge',
- 200 => 'input-xxlarge',
- );
- foreach ($limits as $size => $item) {
- if ($countLetter <= $size) {
- return $item;
- }
- }
- return $limits[0];
- }
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