Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/exercice/stats.php

235 lines
9.9 KiB

<?php
/* See license terms in /license.txt */
require_once 'exercise.class.php';
require_once 'question.class.php';
require_once 'answer.class.php';
$language_file = array('exercice', 'tracking');
require_once '../inc/global.inc.php';
require_once 'exercise.lib.php';
$this_section = SECTION_COURSES;
$exercise_id = (isset($_GET['exerciseId']) && !empty($_GET['exerciseId'])) ? intval($_GET['exerciseId']) : 0;
$objExercise = new Exercise();
$result = $objExercise->read($exercise_id);
if (!$result) {
api_not_allowed(true);
}
$session_id = api_get_session_id();
if (empty($session_id)) {
$students = CourseManager :: get_student_list_from_course_code(api_get_course_id(), false);
} else {
$students = CourseManager :: get_student_list_from_course_code(api_get_course_id(), true, $session_id);
}
$count_students = count($students);
$question_list = $objExercise->get_validated_question_list();
$data = array();
//Question title # of students who tool it Lowest score Average Highest score Maximum score
$headers = array(
get_lang('Question'),
get_lang('QuestionType'),
//get_lang('NumberOfStudentsWhoTryTheExercise'),
get_lang('NumberStudentWhoSelectedIt'),
get_lang('LowestScore'),
get_lang('AverageScore'),
get_lang('HighestScore'),
get_lang('Weighting')
);
if (!empty($question_list)) {
foreach ($question_list as $question_id) {
$question_obj = Question::read($question_id);
$exercise_stats = get_student_stats_by_question($question_id, $exercise_id, api_get_course_id(), api_get_session_id());
$count_users = get_number_students_question_with_answer_count($question_id, $exercise_id, api_get_course_id(), api_get_session_id());
$data[$question_id]['name'] = cut($question_obj->question, 100);
$data[$question_id]['type'] = $question_obj->get_question_type_name();
//$data[$question_id]['students_who_try_exercise'] = $exercise_stats['users'];
$percentange = $count_users/$count_students*100;
$data[$question_id]['students_who_try_exercise'] = Display::bar_progress($percentange, false, $count_users .' / '.$count_students);
$data[$question_id]['lowest_score'] = round($exercise_stats['min'], 2);
$data[$question_id]['average_score'] = round($exercise_stats['average'], 2);
$data[$question_id]['highest_score'] = round($exercise_stats['max'], 2);
$data[$question_id]['max_score'] = round($question_obj->weighting, 2);
}
}
//Format A table
$table = new HTML_Table(array('class' => 'data_table'));
$row = 0;
$column = 0;
foreach ($headers as $header) {
$table->setHeaderContents($row, $column, $header);
$column++;
}
$row++;
foreach ($data as $row_table) {
$column = 0;
foreach ($row_table as $cell) {
$table->setCellContents($row, $column, $cell);
$table->updateCellAttributes($row, $column, 'align="center"');
$column++;
}
$table->updateRowAttributes($row, $row % 2 ? 'class="row_even"' : 'class="row_odd"', true);
$row++;
}
$content = $table->toHtml();
//Format B
$headers = array(
get_lang('Question'),
get_lang('Answer'),
get_lang('Correct'),
get_lang('NumberStudentWhoSelectedIt')
);
$data = array();
if (!empty($question_list)) {
$id = 0;
foreach ($question_list as $question_id) {
$question_obj = Question::read($question_id);
$exercise_stats = get_student_stats_by_question($question_id, $exercise_id, api_get_course_id(), api_get_session_id());
$answer = new Answer($question_id);
$answer_count = $answer->selectNbrAnswers();
for ($answer_id = 1; $answer_id <= $answer_count; $answer_id++) {
$answer_info = $answer->selectAnswer($answer_id);
$is_correct = $answer->isCorrect($answer_id);
$correct_answer = $is_correct == 1 ? get_lang('Yes') : get_lang('No');
$real_answer_id = $answer->selectAutoId($answer_id);
//$data[$id]['name'] .=$answer_count;
//Overwriting values depending of the question
switch ($question_obj->type) {
case FILL_IN_BLANKS :
$answer_info_db = $answer_info;
$answer_info = substr($answer_info, 0, strpos($answer_info, '::'));
$correct_answer = $is_correct;
$answers = $objExercise->fill_in_blank_answer_to_array($answer_info);
$counter = 0;
foreach ($answers as $answer_item) {
if ($counter == 0) {
$data[$id]['name'] = cut($question_obj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_item;
$answer_item = api_substr($answer_item, 1);
$answer_item = api_substr($answer_item, 0, api_strlen($answer_item) -1);
$data[$id]['correct'] = '-';
$count = get_number_students_answer_count($real_answer_id, $question_id, $exercise_id, api_get_course_id(), api_get_session_id(), FILL_IN_BLANKS, $answer_info_db, $answer_item);
$percentange = $count/$count_students*100;
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count .' / '.$count_students);
$id++;
$counter++;
}
break;
case MATCHING:
if ($is_correct == 0) {
if ($answer_id == 1) {
$data[$id]['name'] = cut($question_obj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$correct = '';
for ($i = 1; $i <= $answer_count; $i++) {
$is_correct_i = $answer->isCorrect($i);
if ($is_correct_i != 0 && $is_correct_i == $answer_id) {
$correct = $answer->selectAnswer($i);
break;
}
}
$data[$id]['answer'] = $correct;
$data[$id]['correct'] = $answer_info;
$count = get_number_students_answer_count($answer_id, $question_id, $exercise_id, api_get_course_id(), api_get_session_id(), MATCHING);
$percentange = $count/$count_students*100;
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count .' / '.$count_students);
}
break;
case HOT_SPOT:
if ($answer_id == 1) {
$data[$id]['name'] = cut($question_obj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_info;
$data[$id]['correct'] = '-';
$count = get_number_students_answer_hotspot_count($answer_id, $question_id, $exercise_id, api_get_course_id(), api_get_session_id());
$percentange = $count/$count_students*100;
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count .' / '.$count_students);
break;
default:
if ($answer_id == 1) {
$data[$id]['name'] = cut($question_obj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_info;
$data[$id]['correct'] = $correct_answer;
$count = get_number_students_answer_count($real_answer_id, $question_id, $exercise_id, api_get_course_id(), api_get_session_id());
$percentange = $count/$count_students*100;
$data[$id]['attempts'] = Display::bar_progress($percentange, false, $count .' / '.$count_students);
}
$id++;
}
}
}
//Format A table
$table = new HTML_Table(array('class' => 'data_table'));
$row = 0;
$column = 0;
foreach ($headers as $header) {
$table->setHeaderContents($row, $column, $header);
$column++;
}
$row++;
foreach ($data as $row_table) {
$column = 0;
foreach ($row_table as $cell) {
$table->setCellContents($row, $column, $cell);
$table->updateCellAttributes($row, $column, 'align="center"');
$column++;
}
$table->updateRowAttributes($row, $row % 2 ? 'class="row_even"' : 'class="row_odd"', true);
$row++;
}
$content .= $table->toHtml();
$interbreadcrumb[] = array ("url" => "exercice.php?gradebook=$gradebook", "name" => get_lang('Exercices'));
$interbreadcrumb[] = array ("url" => "admin.php?exerciseId=$exercise_id","name" => $objExercise->name);
$tpl = new Template(get_lang('ReportByQuestion'));
//$actions = array();
//$actions[]= array(get_lang('Back'), Display::return_icon('back.png', get_lang('Back'), 'exercise_report.php?'.$exercise_id));
//$tpl->set_actions($actions);
$actions = '<a href="exercise_report.php?exerciseId='.intval($_GET['exerciseId']).'">' . Display :: return_icon('back.png', get_lang('GoBackToQuestionList'),'',ICON_SIZE_MEDIUM).'</a>';
$actions = Display::div($actions, array('class'=> 'actions'));
$content = $actions.$content;
$tpl->assign('content', $content);
$tpl->display_one_col_template();