Chamilo is a learning management system focused on ease of use and accessibility
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
chamilo-lms/main/exercise/stats.php

325 lines
11 KiB

<?php
/* See license terms in /license.txt */
require_once __DIR__.'/../inc/global.inc.php';
$this_section = SECTION_COURSES;
api_protect_course_script(true, false, true);
$showPage = false;
if (api_is_platform_admin() || api_is_course_admin() ||
api_is_course_tutor() || api_is_session_general_coach() || api_is_allowed_to_edit(null, true)
) {
$showPage = true;
}
if (!$showPage) {
api_not_allowed(true);
}
$exerciseId = isset($_GET['exerciseId']) && !empty($_GET['exerciseId']) ? (int) $_GET['exerciseId'] : 0;
$objExercise = new Exercise();
$result = $objExercise->read($exerciseId);
if (!$result) {
api_not_allowed(true);
}
$sessionId = api_get_session_id();
$courseCode = api_get_course_id();
if (empty($sessionId)) {
$students = CourseManager:: get_student_list_from_course_code(
$courseCode,
false
);
} else {
$students = CourseManager:: get_student_list_from_course_code(
$courseCode,
true,
$sessionId
);
}
$count_students = count($students);
$question_list = $objExercise->get_validated_question_list();
$data = [];
// Question title # of students who tool it Lowest score Average Highest score Maximum score
$headers = array(
get_lang('Question'),
get_lang('QuestionType'),
get_lang('NumberStudentWhoSelectedIt'),
get_lang('LowestScore'),
get_lang('AverageScore'),
get_lang('HighestScore'),
get_lang('Weighting'),
);
if (!empty($question_list)) {
foreach ($question_list as $question_id) {
$questionObj = Question::read($question_id);
$exercise_stats = ExerciseLib::get_student_stats_by_question(
$question_id,
$exerciseId,
$courseCode,
$sessionId
);
$count_users = ExerciseLib::get_number_students_question_with_answer_count(
$question_id,
$exerciseId,
$courseCode,
$sessionId,
$questionObj->type
);
$data[$question_id]['name'] = cut($questionObj->question, 100);
$data[$question_id]['type'] = $questionObj->get_question_type_name();
$percentage = 0;
if ($count_students) {
$percentage = $count_users / $count_students * 100;
}
$data[$question_id]['students_who_try_exercise'] = Display::bar_progress(
$percentage,
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($questionObj->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) {
$questionObj = Question::read($question_id);
$exercise_stats = ExerciseLib::get_student_stats_by_question(
$question_id,
$exerciseId,
$courseCode,
$sessionId
);
$answer = new Answer($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);
// Overwriting values depending of the question
switch ($questionObj->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($questionObj->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]['answer'] = $answer_item;
$data[$id]['correct'] = '-';
$count = ExerciseLib::getNumberStudentsFillBlanksAnswerCount($question_id, $exerciseId);
$count = isset($count[$counter]) ? $count[$counter] : 0;
$percentage = 0;
if (!empty($count_students)) {
$percentage = $count / $count_students * 100;
}
$data[$id]['attempts'] = Display::bar_progress(
$percentage,
false,
$count.' / '.$count_students
);
$id++;
$counter++;
}
break;
case MATCHING:
//no break
case MATCHING_DRAGGABLE:
if ($is_correct == 0) {
if ($answer_id == 1) {
$data[$id]['name'] = cut($questionObj->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 = ExerciseLib::get_number_students_answer_count(
$answer_id,
$question_id,
$exerciseId,
$courseCode,
$sessionId,
MATCHING
);
$percentage = 0;
if (!empty($count_students)) {
$percentage = $count / $count_students * 100;
}
$data[$id]['attempts'] = Display::bar_progress(
$percentage,
false,
$count.' / '.$count_students
);
}
break;
case HOT_SPOT:
if ($answer_id == 1) {
$data[$id]['name'] = cut($questionObj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_info;
$data[$id]['correct'] = '-';
$count = ExerciseLib::get_number_students_answer_hotspot_count(
$answer_id,
$question_id,
$exerciseId,
$courseCode,
$sessionId
);
$percentage = 0;
if (!empty($count_students)) {
$percentage = $count / $count_students * 100;
}
$data[$id]['attempts'] = Display::bar_progress(
$percentage,
false,
$count.' / '.$count_students
);
break;
default:
if ($answer_id == 1) {
$data[$id]['name'] = cut($questionObj->question, 100);
} else {
$data[$id]['name'] = '-';
}
$data[$id]['answer'] = $answer_info;
$data[$id]['correct'] = $correct_answer;
$count = ExerciseLib::get_number_students_answer_count(
$real_answer_id,
$question_id,
$exerciseId,
$courseCode,
$sessionId
);
$percentage = 0;
if (!empty($count_students)) {
$percentage = $count / $count_students * 100;
}
$data[$id]['attempts'] = Display::bar_progress(
$percentage,
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" => "exercise.php?".api_get_cidreq(),
"name" => get_lang('Exercises'),
);
$interbreadcrumb[] = array(
"url" => "admin.php?exerciseId=$exerciseId&".api_get_cidreq(),
"name" => $objExercise->selectTitle(true),
);
$tpl = new Template(get_lang('ReportByQuestion'));
$actions = '<a href="exercise_report.php?exerciseId='.$exerciseId.'&'.api_get_cidreq().'">'.
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();