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

1498 lines
54 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Class GradebookUtils
*/
class GradebookUtils
{
/**
* Adds a resource to the unique gradebook of a given course
* @param int
* @param string Course code
* @param int Resource type (use constants defined in linkfactory.class.php)
* @param int Resource ID in the corresponding tool
* @param string Resource name to show in the gradebook
* @param int Resource weight to set in the gradebook
* @param int Resource max
* @param string Resource description
* @param int Visibility (0 hidden, 1 shown)
* @param int Session ID (optional or 0 if not defined)
* @param int
* @param integer $resource_type
* @return boolean True on success, false on failure
*/
public static function add_resource_to_course_gradebook(
$category_id,
$course_code,
$resource_type,
$resource_id,
$resource_name = '',
$weight = 0,
$max = 0,
$resource_description = '',
$visible = 0,
$session_id = 0,
$link_id = null
) {
$link = LinkFactory::create($resource_type);
$link->set_user_id(api_get_user_id());
$link->set_course_code($course_code);
if (empty($category_id)) {
return false;
}
$link->set_category_id($category_id);
if ($link->needs_name_and_description()) {
$link->set_name($resource_name);
} else {
$link->set_ref_id($resource_id);
}
$link->set_weight($weight);
if ($link->needs_max()) {
$link->set_max($max);
}
if ($link->needs_name_and_description()) {
$link->set_description($resource_description);
}
$link->set_visible(empty($visible) ? 0 : 1);
if (!empty($session_id)) {
$link->set_session_id($session_id);
}
$link->add();
return true;
}
/**
* Update a resource weight
* @param int Link/Resource ID
* @param string
* @param float
* @return bool false on error, true on success
*/
public static function update_resource_from_course_gradebook($link_id, $course_code, $weight)
{
$course_code = Database::escape_string($course_code);
if (!empty($link_id)) {
$link_id = intval($link_id);
$sql = 'UPDATE '.Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK).'
SET weight = ' . "'".api_float_val($weight)."'".'
WHERE course_code = "' . $course_code.'" AND id = '.$link_id;
Database::query($sql);
}
return true;
}
/**
* Remove a resource from the unique gradebook of a given course
* @param int Link/Resource ID
* @return bool false on error, true on success
*/
public static function remove_resource_from_course_gradebook($link_id)
{
if (empty($link_id)) {
return false;
}
// TODO find the corresponding category (the first one for this course, ordered by ID)
$l = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$sql = "DELETE FROM $l WHERE id = ".(int) $link_id;
Database::query($sql);
return true;
}
/**
* Block students
*/
public static function block_students()
{
if (!api_is_allowed_to_edit()) {
api_not_allowed();
}
}
/**
* Builds an img tag for a gradebook item
*/
public static function build_type_icon_tag($kind, $attributes = array())
{
return Display::return_icon(
self::get_icon_file_name($kind),
' ',
$attributes,
ICON_SIZE_SMALL
);
}
/**
* Returns the icon filename for a gradebook item
* @param string $type value returned by a gradebookitem's get_icon_name()
* @return string
*/
public static function get_icon_file_name($type)
{
switch ($type) {
case 'cat':
$icon = 'gradebook.png';
break;
case 'evalempty':
$icon = 'empty_evaluation.png';
break;
case 'evalnotempty':
$icon = 'no_empty_evaluation.png';
break;
case 'exercise':
case LINK_EXERCISE:
$icon = 'quiz.png';
break;
case 'learnpath':
case LINK_LEARNPATH:
$icon = 'learnpath.png';
break;
case 'studentpublication':
case LINK_STUDENTPUBLICATION:
$icon = 'works.gif';
break;
case 'link':
$icon = 'link.gif';
break;
case 'forum':
case LINK_FORUM_THREAD:
$icon = 'forum.gif';
break;
case 'attendance':
case LINK_ATTENDANCE:
$icon = 'attendance.gif';
break;
case 'survey':
case LINK_SURVEY:
$icon = 'survey.gif';
break;
case 'dropbox':
case LINK_DROPBOX:
$icon = 'dropbox.gif';
break;
default:
$icon = 'link.gif';
break;
}
return $icon;
}
/**
* Builds the course or platform admin icons to edit a category
* @param Category $cat category
* @param Category $selectcat id of selected category
* @return string
*/
public static function build_edit_icons_cat($cat, $selectcat)
{
$show_message = $cat->show_message_resource_delete($cat->get_course_code());
$grade_model_id = $selectcat->get_grade_model_id();
$selectcat = $selectcat->get_id();
$modify_icons = null;
if ($show_message === false) {
$visibility_icon = ($cat->is_visible() == 0) ? 'invisible' : 'visible';
$visibility_command = ($cat->is_visible() == 0) ? 'set_visible' : 'set_invisible';
$modify_icons .= '<a class="view_children" data-cat-id="'.$cat->get_id().'" href="javascript:void(0);">'.
Display::return_icon('view_more_stats.gif', get_lang('Show'), '', ICON_SIZE_SMALL).'</a>';
if (!api_is_allowed_to_edit(null, true)) {
$modify_icons .= Display::url(
Display::return_icon(
'stats.png',
get_lang('FlatView'),
'',
ICON_SIZE_SMALL
),
'personal_stats.php?'.http_build_query([
'selectcat' => $cat->get_id()
]).'&'.api_get_cidreq(),
[
'class' => 'ajax',
'data-title' => get_lang('FlatView')
]
);
}
$courseParams = api_get_cidreq_params($cat->get_course_code(), $cat->get_session_id());
if (api_is_allowed_to_edit(null, true)) {
// Locking button
if (api_get_setting('gradebook_locking_enabled') == 'true') {
if ($cat->is_locked()) {
if (api_is_platform_admin()) {
$modify_icons .= '&nbsp;<a onclick="javascript:if (!confirm(\''.addslashes(get_lang('ConfirmToUnlockElement')).'\')) return false;" href="'.api_get_self().'?'.api_get_cidreq().'&category_id='.$cat->get_id().'&action=unlock">'.
Display::return_icon('lock.png', get_lang('UnLockEvaluation'), '', ICON_SIZE_SMALL).'</a>';
} else {
$modify_icons .= '&nbsp;<a href="#">'.Display::return_icon('lock_na.png', get_lang('GradebookLockedAlert'), '', ICON_SIZE_SMALL).'</a>';
}
$modify_icons .= '&nbsp;<a href="gradebook_flatview.php?export_pdf=category&selectcat='.$cat->get_id().'" >'.Display::return_icon('pdf.png', get_lang('ExportToPDF'), '', ICON_SIZE_SMALL).'</a>';
} else {
$modify_icons .= '&nbsp;<a onclick="javascript:if (!confirm(\''.addslashes(get_lang('ConfirmToLockElement')).'\')) return false;" href="'.api_get_self().'?'.api_get_cidreq().'&category_id='.$cat->get_id().'&action=lock">'.
Display::return_icon('unlock.png', get_lang('LockEvaluation'), '', ICON_SIZE_SMALL).'</a>';
$modify_icons .= '&nbsp;<a href="#" >'.Display::return_icon('pdf_na.png', get_lang('ExportToPDF'), '', ICON_SIZE_SMALL).'</a>';
}
}
if (empty($grade_model_id) || $grade_model_id == -1) {
if ($cat->is_locked() && !api_is_platform_admin()) {
$modify_icons .= Display::return_icon('edit_na.png', get_lang('Modify'), '', ICON_SIZE_SMALL);
} else {
$modify_icons .= '<a href="gradebook_edit_cat.php?editcat='.$cat->get_id().'&'.$courseParams.'">'.
Display::return_icon(
'edit.png',
get_lang('Modify'),
'',
ICON_SIZE_SMALL
).'</a>';
}
}
$modify_icons .= '<a href="gradebook_edit_all.php?selectcat='.$cat->get_id().'&'.$courseParams.'">'.
Display::return_icon(
'percentage.png',
get_lang('EditAllWeights'),
'',
ICON_SIZE_SMALL
).'</a>';
$modify_icons .= '<a href="gradebook_flatview.php?selectcat='.$cat->get_id().'&'.$courseParams.'">'.
Display::return_icon(
'stats.png',
get_lang('FlatView'),
'',
ICON_SIZE_SMALL
).'</a>';
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?visiblecat='.$cat->get_id().'&'.$visibility_command.'=&selectcat='.$selectcat.'&'.$courseParams.'">'.
Display::return_icon(
$visibility_icon.'.png',
get_lang('Visible'),
'',
ICON_SIZE_SMALL
).'</a>';
if ($cat->is_locked() && !api_is_platform_admin()) {
$modify_icons .= Display::return_icon('delete_na.png', get_lang('DeleteAll'), '', ICON_SIZE_SMALL);
} else {
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?deletecat='.$cat->get_id().'&selectcat='.$selectcat.'&'.$courseParams.'" onclick="return confirmation();">'.
Display::return_icon('delete.png', get_lang('DeleteAll'), '', ICON_SIZE_SMALL).'</a>';
}
}
return $modify_icons;
}
}
/**
* Builds the course or platform admin icons to edit an evaluation
* @param Evaluation $eval evaluation object
* @param int $selectcat id of selected category
* @return string
*/
public static function build_edit_icons_eval($eval, $selectcat)
{
$is_locked = $eval->is_locked();
$eval->get_course_code();
$cat = new Category();
$message_eval = $cat->show_message_resource_delete($eval->get_course_code());
$courseParams = api_get_cidreq_params($eval->get_course_code(), $eval->getSessionId());
if ($message_eval === false && api_is_allowed_to_edit(null, true)) {
$visibility_icon = ($eval->is_visible() == 0) ? 'invisible' : 'visible';
$visibility_command = ($eval->is_visible() == 0) ? 'set_visible' : 'set_invisible';
if ($is_locked && !api_is_platform_admin()) {
$modify_icons = Display::return_icon(
'edit_na.png',
get_lang('Modify'),
'',
ICON_SIZE_SMALL
);
} else {
$modify_icons = '<a href="gradebook_edit_eval.php?editeval='.$eval->get_id().'&'.$courseParams.'">'.
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL).'</a>';
}
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?visibleeval='.$eval->get_id().'&'.$visibility_command.'=&selectcat='.$selectcat.'&'.$courseParams.' ">'.
Display::return_icon($visibility_icon.'.png', get_lang('Visible'), '', ICON_SIZE_SMALL).'</a>';
if (api_is_allowed_to_edit(null, true)) {
$modify_icons .= '&nbsp;<a href="gradebook_showlog_eval.php?visiblelog='.$eval->get_id().'&selectcat='.$selectcat.' &'.$courseParams.'">'.
Display::return_icon('history.png', get_lang('GradebookQualifyLog'), '', ICON_SIZE_SMALL).'</a>';
}
if ($is_locked && !api_is_platform_admin()) {
$modify_icons .= '&nbsp;'.Display::return_icon('delete_na.png', get_lang('Delete'), '', ICON_SIZE_SMALL);
} else {
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?deleteeval='.$eval->get_id().'&selectcat='.$selectcat.' &'.$courseParams.'" onclick="return confirmation();">'.
Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).'</a>';
}
return $modify_icons;
}
}
/**
* Builds the course or platform admin icons to edit a link
* @param AbstractLink $link
* @param int $selectcat id of selected category
*
* @return string
*/
public static function build_edit_icons_link($link, $selectcat)
{
$cat = new Category();
$message_link = $cat->show_message_resource_delete($link->get_course_code());
$is_locked = $link->is_locked();
$modify_icons = null;
if (!api_is_allowed_to_edit(null, true)) {
return null;
}
$courseParams = api_get_cidreq_params($link->get_course_code(), $link->get_session_id());
if ($message_link === false) {
$visibility_icon = ($link->is_visible() == 0) ? 'invisible' : 'visible';
$visibility_command = ($link->is_visible() == 0) ? 'set_visible' : 'set_invisible';
if ($is_locked && !api_is_platform_admin()) {
$modify_icons = Display::return_icon(
'edit_na.png',
get_lang('Modify'),
'',
ICON_SIZE_SMALL
);
} else {
$modify_icons = '<a href="gradebook_edit_link.php?editlink='.$link->get_id().'&'.$courseParams.'">'.
Display::return_icon('edit.png', get_lang('Modify'), '', ICON_SIZE_SMALL).'</a>';
}
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?visiblelink='.$link->get_id().'&'.$visibility_command.'=&selectcat='.$selectcat.'&'.$courseParams.' ">'.
Display::return_icon($visibility_icon.'.png', get_lang('Visible'), '', ICON_SIZE_SMALL).'</a>';
$modify_icons .= '&nbsp;<a href="gradebook_showlog_link.php?visiblelink='.$link->get_id().'&selectcat='.$selectcat.'&'.$courseParams.'">'.
Display::return_icon('history.png', get_lang('GradebookQualifyLog'), '', ICON_SIZE_SMALL).'</a>';
//If a work is added in a gradebook you can only delete the link in the work tool
if ($is_locked && !api_is_platform_admin()) {
$modify_icons .= '&nbsp;'.Display::return_icon('delete_na.png', get_lang('Delete'), '', ICON_SIZE_SMALL);
} else {
$modify_icons .= '&nbsp;<a href="'.api_get_self().'?deletelink='.$link->get_id().'&selectcat='.$selectcat.' &'.$courseParams.'" onclick="return confirmation();">'.
Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).'</a>';
}
return $modify_icons;
}
}
/**
* Checks if a resource is in the unique gradebook of a given course
* @param string $course_code Course code
* @param int $resource_type Resource type (use constants defined in linkfactory.class.php)
* @param int $resource_id Resource ID in the corresponding tool
* @param int $session_id Session ID (optional - 0 if not defined)
*
* @return array false on error or array of resource
*/
public static function isResourceInCourseGradebook(
$course_code,
$resource_type,
$resource_id,
$session_id = 0
) {
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$course_code = Database::escape_string($course_code);
$sql = "SELECT * FROM $table l
WHERE
course_code = '$course_code' AND
type = ".(int) $resource_type." AND
ref_id = " . (int) $resource_id;
$res = Database::query($sql);
if (Database::num_rows($res) < 1) {
return false;
}
$row = Database::fetch_array($res, 'ASSOC');
return $row;
}
/**
* Remove a resource from the unique gradebook of a given course
* @param int Link/Resource ID
* @return bool false on error, true on success
*/
public static function get_resource_from_course_gradebook($link_id)
{
if (empty($link_id)) {
return false;
}
// TODO find the corresponding category (the first one for this course, ordered by ID)
$l = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$sql = "SELECT * FROM $l WHERE id = ".(int) $link_id;
$res = Database::query($sql);
$row = array();
if (Database::num_rows($res) > 0) {
$row = Database::fetch_array($res, 'ASSOC');
}
return $row;
}
/**
* Return the course id
* @param int
* @return String
*/
public static function get_course_id_by_link_id($id_link)
{
$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
$tbl_grade_links = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$sql = 'SELECT c.id FROM '.$course_table.' c
INNER JOIN ' . $tbl_grade_links.' l
ON c.code = l.course_code
WHERE l.id=' . intval($id_link).' OR l.category_id='.intval($id_link);
$res = Database::query($sql);
$array = Database::fetch_array($res, 'ASSOC');
return $array['id'];
}
/**
* @param $type
* @return string
*/
public static function get_table_type_course($type)
{
global $table_evaluated;
return Database::get_course_table($table_evaluated[$type][0]);
}
/**
* @param Category $cat
* @param $users
* @param $alleval
* @param $alllinks
* @param $params
* @param null $mainCourseCategory
* @return array
*/
public static function get_printable_data($cat, $users, $alleval, $alllinks, $params, $mainCourseCategory = null)
{
$datagen = new FlatViewDataGenerator(
$users,
$alleval,
$alllinks,
$params,
$mainCourseCategory
);
$offset = isset($_GET['offset']) ? $_GET['offset'] : '0';
$offset = intval($offset);
// step 2: generate rows: students
$datagen->category = $cat;
$count = (($offset + 10) > $datagen->get_total_items_count()) ? ($datagen->get_total_items_count() - $offset) : GRADEBOOK_ITEM_LIMIT;
$header_names = $datagen->get_header_names($offset, $count, true);
$data_array = $datagen->get_data(
FlatViewDataGenerator::FVDG_SORT_LASTNAME,
0,
null,
$offset,
$count,
true,
true
);
$result = array();
foreach ($data_array as $data) {
$result[] = array_slice($data, 1);
}
$return = array($header_names, $result);
return $return;
}
/**
* XML-parser: handle character data
*/
public static function character_data($parser, $data)
{
global $current_value;
$current_value = $data;
}
/**
* XML-parser: handle end of element
*/
public static function element_end($parser, $data)
{
global $user;
global $users;
global $current_value;
switch ($data) {
case 'Result':
$users[] = $user;
break;
default:
$user[$data] = $current_value;
break;
}
}
/**
* XML-parser: handle start of element
*/
public static function element_start($parser, $data)
{
global $user;
global $current_tag;
switch ($data) {
case 'Result':
$user = array();
break;
default:
$current_tag = $data;
}
}
public static function overwritescore($resid, $importscore, $eval_max)
{
$result = Result::load($resid);
if ($importscore > $eval_max) {
header('Location: gradebook_view_result.php?selecteval='.Security::remove_XSS($_GET['selecteval']).'&overwritemax=');
exit;
}
$result[0]->set_score($importscore);
$result[0]->save();
unset($result);
}
/**
* Read the XML-file
* @param string $file Path to the XML-file
* @return array All user information read from the file
*/
public static function parse_xml_data($file)
{
global $current_tag;
global $current_value;
global $user;
global $users;
$users = array();
$parser = xml_parser_create();
xml_set_element_handler($parser, 'element_start', 'element_end');
xml_set_character_data_handler($parser, "character_data");
xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, false);
xml_parse($parser, file_get_contents($file));
xml_parser_free($parser);
return $users;
}
/**
* register user info about certificate
* @param int $cat_id The category id
* @param int $user_id The user id
* @param float $score_certificate The score obtained for certified
* @param string $date_certificate The date when you obtained the certificate
*
* @return void
*/
public static function registerUserInfoAboutCertificate(
$cat_id,
$user_id,
$score_certificate,
$date_certificate
) {
$table = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
$sql = 'SELECT COUNT(id) as count
FROM ' . $table.' gc
WHERE gc.cat_id="' . intval($cat_id).'" AND user_id="'.intval($user_id).'" ';
$rs_exist = Database::query($sql);
$row = Database::fetch_array($rs_exist);
if ($row['count'] == 0) {
$params = [
'cat_id' => $cat_id,
'user_id' => $user_id,
'score_certificate' => $score_certificate,
'created_at' => $date_certificate
];
Database::insert($table, $params);
}
}
/**
* Get date of user certificate
* @param int $cat_id The category id
* @param int $user_id The user id
* @return Datetime The date when you obtained the certificate
*/
public static function get_certificate_by_user_id($cat_id, $user_id)
{
$table_certificate = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
$sql = 'SELECT * FROM '.$table_certificate.'
WHERE cat_id="' . intval($cat_id).'" AND user_id="'.intval($user_id).'"';
$result = Database::query($sql);
$row = Database::fetch_array($result, 'ASSOC');
return $row;
}
/**
* Get list of users certificates
* @param int $cat_id The category id
* @param array $userList Only users in this list
* @return array
*/
public static function get_list_users_certificates($cat_id = null, $userList = array())
{
$table_certificate = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sql = 'SELECT DISTINCT u.user_id, u.lastname, u.firstname, u.username
FROM ' . $table_user.' u
INNER JOIN ' . $table_certificate.' gc
ON u.user_id=gc.user_id ';
if (!is_null($cat_id) && $cat_id > 0) {
$sql .= ' WHERE cat_id='.intval($cat_id);
}
if (!empty($userList)) {
$userList = array_map('intval', $userList);
$userListCondition = implode("','", $userList);
$sql .= " AND u.user_id IN ('$userListCondition')";
}
$sql .= ' ORDER BY u.firstname';
$rs = Database::query($sql);
$list_users = array();
while ($row = Database::fetch_array($rs)) {
$list_users[] = $row;
}
return $list_users;
}
/**
* Gets the certificate list by user id
* @param int $user_id The user id
* @param int $cat_id The category id
* @return array
*/
public static function get_list_gradebook_certificates_by_user_id($user_id, $cat_id = null)
{
$table_certificate = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
$sql = 'SELECT
gc.score_certificate,
gc.created_at,
gc.path_certificate,
gc.cat_id,
gc.user_id,
gc.id
FROM '.$table_certificate.' gc
WHERE gc.user_id="' . intval($user_id).'" ';
if (!is_null($cat_id) && $cat_id > 0) {
$sql .= ' AND cat_id='.intval($cat_id);
}
$rs = Database::query($sql);
$list_certificate = array();
while ($row = Database::fetch_array($rs)) {
$list_certificate[] = $row;
}
return $list_certificate;
}
/**
* @param int $user_id
* @param string $course_code
* @param int $sessionId
* @param bool $is_preview
* @param bool $hide_print_button
*
* @return array
*/
public static function get_user_certificate_content(
$user_id,
$course_code,
$sessionId,
$is_preview = false,
$hide_print_button = false
) {
// Generate document HTML
$content_html = DocumentManager::replace_user_info_into_html(
$user_id,
$course_code,
$sessionId,
$is_preview
);
$new_content_html = isset($content_html['content']) ? $content_html['content'] : null;
$variables = isset($content_html['variables']) ? $content_html['variables'] : null;
$path_image = api_get_path(WEB_COURSE_PATH).api_get_course_path($course_code).'/document/images/gallery';
$new_content_html = str_replace('../images/gallery', $path_image, $new_content_html);
$path_image_in_default_course = api_get_path(WEB_CODE_PATH).'default_course_document';
$new_content_html = str_replace('/main/default_course_document', $path_image_in_default_course, $new_content_html);
$new_content_html = str_replace(SYS_CODE_PATH.'img/', api_get_path(WEB_IMG_PATH), $new_content_html);
//add print header
if (!$hide_print_button) {
$print = '<style>#print_div {
padding:4px;border: 0 none;position: absolute;top: 0px;right: 0px;
}
@media print {
#print_div {
display: none !important;
}
}
</style>';
$print .= Display::div(
Display::url(
Display::return_icon('printmgr.gif', get_lang('Print')),
'javascript:void()',
['onclick' => 'window.print();']
),
['id' => 'print_div']
);
$print .= '</html>';
$new_content_html = str_replace('</html>', $print, $new_content_html);
}
return [
'content' => $new_content_html,
'variables' => $variables
];
}
/**
* @param null $course_code
* @param int $gradebook_model_id
* @return mixed
*/
public static function create_default_course_gradebook($course_code = null, $gradebook_model_id = 0)
{
if (api_is_allowed_to_edit(true, true)) {
if (!isset($course_code) || empty($course_code)) {
$course_code = api_get_course_id();
}
$session_id = api_get_session_id();
$t = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
$sql = "SELECT * FROM $t WHERE course_code = '".Database::escape_string($course_code)."' ";
if (!empty($session_id)) {
$sql .= " AND session_id = ".(int) $session_id;
} else {
$sql .= " AND (session_id IS NULL OR session_id = 0) ";
}
$sql .= " ORDER BY id";
$res = Database::query($sql);
if (Database::num_rows($res) < 1) {
//there is no unique category for this course+session combination,
$cat = new Category();
if (!empty($session_id)) {
$my_session_id = api_get_session_id();
$s_name = api_get_session_name($my_session_id);
$cat->set_name($course_code.' - '.get_lang('Session').' '.$s_name);
$cat->set_session_id($session_id);
} else {
$cat->set_name($course_code);
}
$cat->set_course_code($course_code);
$cat->set_description(null);
$cat->set_user_id(api_get_user_id());
$cat->set_parent_id(0);
$default_weight_setting = api_get_setting('gradebook_default_weight');
$default_weight = isset($default_weight_setting) && !empty($default_weight_setting) ? $default_weight_setting : 100;
$cat->set_weight($default_weight);
$cat->set_grade_model_id($gradebook_model_id);
$cat->set_certificate_min_score(75);
$cat->set_visible(0);
$cat->add();
$category_id = $cat->get_id();
unset($cat);
} else {
$row = Database::fetch_array($res);
$category_id = $row['id'];
}
return $category_id;
}
return false;
}
/**
* @param FormValidator $form
*/
public static function load_gradebook_select_in_tool($form)
{
$course_code = api_get_course_id();
$session_id = api_get_session_id();
self::create_default_course_gradebook();
// Cat list
$all_categories = Category::load(null, null, $course_code, null, null, $session_id, false);
$select_gradebook = $form->addElement('select', 'category_id', get_lang('SelectGradebook'));
if (!empty($all_categories)) {
foreach ($all_categories as $my_cat) {
if ($my_cat->get_course_code() == api_get_course_id()) {
$grade_model_id = $my_cat->get_grade_model_id();
if (empty($grade_model_id)) {
if ($my_cat->get_parent_id() == 0) {
//$default_weight = $my_cat->get_weight();
$select_gradebook->addoption(get_lang('Default'), $my_cat->get_id());
$cats_added[] = $my_cat->get_id();
} else {
$select_gradebook->addoption($my_cat->get_name(), $my_cat->get_id());
$cats_added[] = $my_cat->get_id();
}
} else {
$select_gradebook->addoption(get_lang('Select'), 0);
}
}
}
}
}
/**
* @param FlatViewTable $flatviewtable
* @param Category $cat
* @param $users
* @param $alleval
* @param $alllinks
* @param array $params
* @param null $mainCourseCategory
*/
public static function export_pdf_flatview(
$flatviewtable,
$cat,
$users,
$alleval,
$alllinks,
$params = array(),
$mainCourseCategory = null
) {
// Getting data
$printable_data = self::get_printable_data(
$cat[0],
$users,
$alleval,
$alllinks,
$params,
$mainCourseCategory
);
// HTML report creation first
$course_code = trim($cat[0]->get_course_code());
$displayscore = ScoreDisplay::instance();
$customDisplays = $displayscore->get_custom_score_display_settings();
$total = array();
if (is_array($customDisplays) && count(($customDisplays))) {
foreach ($customDisplays as $custom) {
$total[$custom['display']] = 0;
}
$user_results = $flatviewtable->datagen->get_data_to_graph2(false);
foreach ($user_results as $user_result) {
$item = $user_result[count($user_result) - 1];
$customTag = isset($item[1]) ? strip_tags($item[1]) : '';
$total[$customTag]++;
}
}
$parent_id = $cat[0]->get_parent_id();
if (isset($cat[0]) && isset($parent_id)) {
if ($parent_id == 0) {
$grade_model_id = $cat[0]->get_grade_model_id();
} else {
$parent_cat = Category::load($parent_id);
$grade_model_id = $parent_cat[0]->get_grade_model_id();
}
}
$use_grade_model = true;
if (empty($grade_model_id) || $grade_model_id == -1) {
$use_grade_model = false;
}
if ($use_grade_model) {
if ($parent_id == 0) {
$title = api_strtoupper(get_lang('Average')).'<br />'.get_lang('Detailed');
} else {
$title = api_strtoupper(get_lang('Average')).'<br />'.$cat[0]->get_description().' - ('.$cat[0]->get_name().')';
}
} else {
if ($parent_id == 0) {
$title = api_strtoupper(get_lang('Average')).'<br />'.get_lang('Detailed');
} else {
$title = api_strtoupper(get_lang('Average'));
}
}
$columns = count($printable_data[0]);
$has_data = is_array($printable_data[1]) && count($printable_data[1]) > 0;
$table = new HTML_Table(array('class' => 'data_table'));
$row = 0;
$column = 0;
$table->setHeaderContents($row, $column, get_lang('NumberAbbreviation'));
$column++;
foreach ($printable_data[0] as $printable_data_cell) {
if (!is_array($printable_data_cell)) {
$printable_data_cell = strip_tags($printable_data_cell);
}
$table->setHeaderContents($row, $column, $printable_data_cell);
$column++;
}
$row++;
if ($has_data) {
$counter = 1;
foreach ($printable_data[1] as &$printable_data_row) {
$column = 0;
$table->setCellContents($row, $column, $counter);
$table->updateCellAttributes($row, $column, 'align="center"');
$column++;
$counter++;
foreach ($printable_data_row as $key => &$printable_data_cell) {
$attributes = array();
$attributes['align'] = 'center';
$attributes['style'] = null;
if ($key === 'name') {
$attributes['align'] = 'left';
}
if ($key === 'total') {
$attributes['style'] = 'font-weight:bold';
}
$table->setCellContents($row, $column, $printable_data_cell);
$table->updateCellAttributes($row, $column, $attributes);
$column++;
}
$table->updateRowAttributes($row, $row % 2 ? 'class="row_even"' : 'class="row_odd"', true);
$row++;
}
} else {
$column = 0;
$table->setCellContents($row, $column, get_lang('NoResults'));
$table->updateCellAttributes($row, $column, 'colspan="'.$columns.'" align="center" class="row_odd"');
}
$pdfParams = array(
'filename' => get_lang('FlatView').'_'.api_get_utc_datetime(),
'pdf_title' => $title,
'course_code' => $course_code,
'add_signatures' => ['Drh', 'Teacher', 'Date']
);
$page_format = $params['orientation'] == 'landscape' ? 'A4-L' : 'A4';
ob_start();
$pdf = new PDF($page_format, $page_format, $pdfParams);
$pdf->html_to_pdf_with_template($flatviewtable->return_table());
$content = ob_get_contents();
ob_end_clean();
echo $content;
exit;
}
/**
* @param string[] $list_values
* @return string
*/
public static function score_badges($list_values)
{
$counter = 1;
$badges = array();
foreach ($list_values as $value) {
$class = 'warning';
if ($counter == 1) {
$class = 'success';
}
$counter++;
$badges[] = Display::badge($value, $class);
}
return Display::badge_group($badges);
}
/**
* returns users within a course given by param
* @param string $courseCode
* @return array
*/
public static function get_users_in_course($courseCode)
{
$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname ASC' : ' ORDER BY lastname, firstname ASC';
$current_session = api_get_session_id();
$courseCode = Database::escape_string($courseCode);
$courseInfo = api_get_course_info($courseCode);
$courseId = $courseInfo['real_id'];
if (!empty($current_session)) {
$sql = "SELECT user.user_id, user.username, lastname, firstname, official_code
FROM $tbl_session_course_user as scru, $tbl_user as user
WHERE
scru.user_id = user.user_id AND
scru.status=0 AND
scru.c_id='$courseId' AND
session_id ='$current_session'
$order_clause
";
} else {
$sql = 'SELECT user.user_id, user.username, lastname, firstname, official_code
FROM '.$tbl_course_user.' as course_rel_user, '.$tbl_user.' as user
WHERE
course_rel_user.user_id=user.user_id AND
course_rel_user.status='.STUDENT.' AND
course_rel_user.c_id = "'.$courseId.'" '.
$order_clause;
}
$result = Database::query($sql);
return self::get_user_array_from_sql_result($result);
}
/**
* @param Doctrine\DBAL\Driver\Statement|null $result
* @return array
*/
public static function get_user_array_from_sql_result($result)
{
$a_students = array();
while ($user = Database::fetch_array($result)) {
if (!array_key_exists($user['user_id'], $a_students)) {
$a_current_student = array();
$a_current_student[] = $user['user_id'];
$a_current_student[] = $user['username'];
$a_current_student[] = $user['lastname'];
$a_current_student[] = $user['firstname'];
$a_current_student[] = $user['official_code'];
$a_students['STUD'.$user['user_id']] = $a_current_student;
}
}
return $a_students;
}
/**
* @param array $evals
* @param array $links
* @return array
*/
public static function get_all_users($evals = array(), $links = array())
{
$coursecodes = array();
// By default add all user in course
$coursecodes[api_get_course_id()] = '1';
$users = self::get_users_in_course(api_get_course_id());
foreach ($evals as $eval) {
$coursecode = $eval->get_course_code();
// evaluation in course
if (isset($coursecode) && !empty($coursecode)) {
if (!array_key_exists($coursecode, $coursecodes)) {
$coursecodes[$coursecode] = '1';
$users = array_merge($users, self::get_users_in_course($coursecode));
}
} else {
// course independent evaluation
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_res = Database::get_main_table(TABLE_MAIN_GRADEBOOK_RESULT);
$sql = 'SELECT user.user_id, lastname, firstname, user.official_code
FROM '.$tbl_res.' as res, '.$tbl_user.' as user
WHERE
res.evaluation_id = '.intval($eval->get_id()).' AND
res.user_id = user.user_id
';
$sql .= ' ORDER BY lastname, firstname';
if (api_is_western_name_order()) {
$sql .= ' ORDER BY firstname, lastname';
}
$result = Database::query($sql);
$users = array_merge($users, self::get_user_array_from_sql_result($result));
}
}
foreach ($links as $link) {
// links are always in a course
$coursecode = $link->get_course_code();
if (!array_key_exists($coursecode, $coursecodes)) {
$coursecodes[$coursecode] = '1';
$users = array_merge($users, self::get_users_in_course($coursecode));
}
}
return $users;
}
/**
* Search students matching a given last name and/or first name
* @author Bert Steppé
*/
public static function find_students($mask = '')
{
// students shouldn't be here // don't search if mask empty
if (!api_is_allowed_to_edit() || empty ($mask)) {
return null;
}
$mask = Database::escape_string($mask);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_cru = Database::get_main_table(TABLE_MAIN_COURSE_USER);
$sql = 'SELECT DISTINCT user.user_id, user.lastname, user.firstname, user.email, user.official_code
FROM ' . $tbl_user.' user';
if (!api_is_platform_admin()) {
$sql .= ', '.$tbl_cru.' cru';
}
$sql .= ' WHERE user.status = '.STUDENT;
$sql .= ' AND (user.lastname LIKE '."'%".$mask."%'";
$sql .= ' OR user.firstname LIKE '."'%".$mask."%')";
if (!api_is_platform_admin()) {
$sql .= ' AND user.user_id = cru.user_id AND
cru.relation_type <> '.COURSE_RELATION_TYPE_RRHH.' AND
cru.c_id in (
SELECT c_id FROM '.$tbl_cru.'
WHERE
user_id = ' . api_get_user_id().' AND
status = ' . COURSEMANAGER.'
)
';
}
$sql .= ' ORDER BY lastname, firstname';
if (api_is_western_name_order()) {
$sql .= ' ORDER BY firstname, lastname';
}
$result = Database::query($sql);
$users = Database::store_result($result);
return $users;
}
/**
* @param int $linkId
* @param float $weight
*/
public static function updateLinkWeight($linkId, $name, $weight)
{
$linkId = intval($linkId);
$weight = api_float_val($weight);
$course_id = api_get_course_int_id();
AbstractLink::add_link_log($linkId, $name);
$table_link = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$em = Database::getManager();
$tbl_forum_thread = Database::get_course_table(TABLE_FORUM_THREAD);
$tbl_attendance = Database::get_course_table(TABLE_ATTENDANCE);
$sql = 'UPDATE '.$table_link.' SET weight = '."'".Database::escape_string($weight)."'".'
WHERE id = '.$linkId;
Database::query($sql);
// Update weight for attendance
$sql = 'SELECT ref_id FROM '.$table_link.'
WHERE id = '.$linkId.' AND type='.LINK_ATTENDANCE;
$rs_attendance = Database::query($sql);
if (Database::num_rows($rs_attendance) > 0) {
$row_attendance = Database::fetch_array($rs_attendance);
$sql = 'UPDATE '.$tbl_attendance.' SET
attendance_weight ='.api_float_val($weight).'
WHERE c_id = '.$course_id.' AND id = '.intval($row_attendance['ref_id']);
Database::query($sql);
}
// Update weight into forum thread
$sql = 'UPDATE '.$tbl_forum_thread.' SET
thread_weight = '.api_float_val($weight).'
WHERE
c_id = '.$course_id.' AND
thread_id = (
SELECT ref_id FROM '.$table_link.'
WHERE id='.$linkId.' AND type='.LINK_FORUM_THREAD.'
)
';
Database::query($sql);
//Update weight into student publication(work)
$em
->createQuery('
UPDATE ChamiloCourseBundle:CStudentPublication w
SET w.weight = :final_weight
WHERE w.cId = :course
AND w.id = (
SELECT l.refId FROM ChamiloCoreBundle:GradebookLink l
WHERE l.id = :link AND l.type = :type
)
')
->execute([
'final_weight' => $weight,
'course' => $course_id,
'link' => $linkId,
'type' => LINK_STUDENTPUBLICATION
]);
}
/**
* @param int $id
* @param float $weight
*/
public static function updateEvaluationWeight($id, $weight)
{
$table_evaluation = Database::get_main_table(TABLE_MAIN_GRADEBOOK_EVALUATION);
$id = intval($id);
$evaluation = new Evaluation();
$evaluation->add_evaluation_log($id);
$sql = 'UPDATE '.$table_evaluation.'
SET weight = '."'".Database::escape_string($weight)."'".'
WHERE id = '.$id;
Database::query($sql);
}
/**
*
* Get the achieved certificates for a user in courses
* @param int $userId The user id
* @param bool $includeNonPublicCertificates Whether include the non-plublic certificates
* @return array
*/
public static function getUserCertificatesInCourses($userId, $includeNonPublicCertificates = true)
{
$userId = intval($userId);
$courseList = [];
$courses = CourseManager::get_courses_list_by_user_id($userId);
foreach ($courses as $course) {
if (!$includeNonPublicCertificates) {
$allowPublicCertificates = api_get_course_setting('allow_public_certificates', $course['code']);
if (empty($allowPublicCertificates)) {
continue;
}
}
$courseGradebookCategory = Category::load(null, null, $course['code']);
if (empty($courseGradebookCategory)) {
continue;
}
$courseGradebookId = $courseGradebookCategory[0]->get_id();
$certificateInfo = self::get_certificate_by_user_id($courseGradebookId, $userId);
if (empty($certificateInfo)) {
continue;
}
$courseInfo = api_get_course_info_by_id($course['real_id']);
$courseList[] = [
'course' => $courseInfo['title'],
'score' => $certificateInfo['score_certificate'],
'date' => api_format_date($certificateInfo['created_at'], DATE_FORMAT_SHORT),
'link' => api_get_path(WEB_PATH)."certificates/index.php?id={$certificateInfo['id']}"
];
}
return $courseList;
}
/**
* Get the achieved certificates for a user in course sessions
* @param int $userId The user id
* @param bool $includeNonPublicCertificates Whether include the non-public certificates
* @return array
*/
public static function getUserCertificatesInSessions($userId, $includeNonPublicCertificates = true)
{
$userId = intval($userId);
$sessionList = [];
$sessions = SessionManager::get_sessions_by_user($userId, true, true);
foreach ($sessions as $session) {
if (empty($session['courses'])) {
continue;
}
$sessionCourses = SessionManager::get_course_list_by_session_id($session['session_id']);
foreach ($sessionCourses as $course) {
if (!$includeNonPublicCertificates) {
$allowPublicCertificates = api_get_course_setting('allow_public_certificates', $course['code']);
if (empty($allowPublicCertificates)) {
continue;
}
}
$courseGradebookCategory = Category::load(
null,
null,
$course['code'],
null,
null,
$session['session_id']
);
if (empty($courseGradebookCategory)) {
continue;
}
$courseGradebookId = $courseGradebookCategory[0]->get_id();
$certificateInfo = self::get_certificate_by_user_id(
$courseGradebookId,
$userId
);
if (empty($certificateInfo)) {
continue;
}
$sessionList[] = [
'session' => $session['session_name'],
'course' => $course['title'],
'score' => $certificateInfo['score_certificate'],
'date' => api_format_date($certificateInfo['created_at'], DATE_FORMAT_SHORT),
'link' => api_get_path(WEB_PATH)."certificates/index.php?id={$certificateInfo['id']}"
];
}
}
return $sessionList;
}
/**
* @param int $userId
* @param array $cats
* @param bool $saveToFile
* @param bool $saveToHtmlFile
* @param array $studentList
* @param PDF $pdf
*
* @return string
*/
public static function generateTable(
$userId,
$cats,
$saveToFile = false,
$saveToHtmlFile = false,
$studentList = array(),
$pdf = null
) {
$courseInfo = api_get_course_info();
$userInfo = api_get_user_info($userId);
$cat = $cats[0];
$allcat = $cats[0]->get_subcategories(
$userId,
api_get_course_id(),
api_get_session_id()
);
$alleval = $cats[0]->get_evaluations($userId);
$alllink = $cats[0]->get_links($userId);
$gradebooktable = new GradebookTable(
$cat,
$allcat,
$alleval,
$alllink,
null, // params
true, // $exportToPdf
false, // showteacher
$userId,
$studentList
);
$gradebooktable->userId = $userId;
if (api_is_allowed_to_edit()) {
$gradebooktable->td_attributes = [
4 => 'class=centered'
];
} else {
$gradebooktable->td_attributes = [
3 => 'class=centered',
4 => 'class=centered',
5 => 'class=centered',
6 => 'class=centered',
7 => 'class=centered'
];
}
$table = $gradebooktable->return_table();
$graph = $gradebooktable->getGraph();
$sessionName = api_get_session_name(api_get_session_id());
$sessionName = !empty($sessionName) ? " - $sessionName" : '';
$params = array(
'pdf_title' => sprintf(get_lang('GradeFromX'), $courseInfo['name']),
'session_info' => '',
'course_info' => '',
'pdf_date' => '',
'course_code' => api_get_course_id(),
'student_info' => $userInfo,
'show_grade_generated_date' => true,
'show_real_course_teachers' => false,
'show_teacher_as_myself' => false,
'orientation' => 'P'
);
if (empty($pdf)) {
$pdf = new PDF('A4', $params['orientation'], $params);
}
$pdf->params['student_info'] = $userInfo;
$file = api_get_path(SYS_ARCHIVE_PATH).uniqid().'.html';
$content =
$table.
$graph.
'<br />'.get_lang('Feedback').'<br />
<textarea rows="5" cols="100" ></textarea>';
$address = api_get_setting('institution_address');
$phone = api_get_setting('administratorTelephone');
$address = str_replace('\n', '<br />', $address);
$pdf->custom_header = array('html' => "<h5 align='right'>$address <br />$phone</h5>");
$result = $pdf->html_to_pdf_with_template(
$content,
$saveToFile,
$saveToHtmlFile
);
if ($saveToHtmlFile) {
file_put_contents($file, $result);
return $file;
}
return $file;
}
}