/
sessionmanager.lib.php
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/
sessionmanager.lib.php
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<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\Course;
use Chamilo\CoreBundle\Entity\ExtraField;
use Chamilo\CoreBundle\Entity\Repository\SequenceResourceRepository;
use Chamilo\CoreBundle\Entity\SequenceResource;
use Chamilo\CoreBundle\Entity\Session;
use Chamilo\CoreBundle\Entity\SessionRelCourse;
use Chamilo\CoreBundle\Entity\SessionRelCourseRelUser;
use Chamilo\CoreBundle\Entity\SessionRelUser;
use Chamilo\UserBundle\Entity\User;
use ExtraField as ExtraFieldModel;
use Monolog\Logger;
/**
* Class SessionManager.
*
* This is the session library for Chamilo
* (as in courses>session, not as in PHP session)
* All main sessions functions should be placed here.
* This class provides methods for sessions management.
* Include/require it in your code to use its features.
*/
class SessionManager
{
public const STATUS_PLANNED = 1;
public const STATUS_PROGRESS = 2;
public const STATUS_FINISHED = 3;
public const STATUS_CANCELLED = 4;
public static $_debug = false;
/**
* Constructor.
*/
public function __construct()
{
}
/**
* Fetches a session from the database.
*
* @param int $id Session Id
*
* @return array Session details
*/
public static function fetch($id)
{
$em = Database::getManager();
if (empty($id)) {
return [];
}
/** @var Session $session */
$session = $em->find('ChamiloCoreBundle:Session', $id);
if (!$session) {
return [];
}
$result = [
'id' => $session->getId(),
'id_coach' => $session->getGeneralCoach() ? $session->getGeneralCoach()->getId() : null,
'session_category_id' => $session->getCategory() ? $session->getCategory()->getId() : null,
'name' => $session->getName(),
'description' => $session->getDescription(),
'show_description' => $session->getShowDescription(),
'duration' => $session->getDuration(),
'nbr_courses' => $session->getNbrCourses(),
'nbr_users' => $session->getNbrUsers(),
'nbr_classes' => $session->getNbrClasses(),
'session_admin_id' => $session->getSessionAdminId(),
'visibility' => $session->getVisibility(),
'promotion_id' => $session->getPromotionId(),
'display_start_date' => $session->getDisplayStartDate()
? $session->getDisplayStartDate()->format('Y-m-d H:i:s')
: null,
'display_end_date' => $session->getDisplayEndDate()
? $session->getDisplayEndDate()->format('Y-m-d H:i:s')
: null,
'access_start_date' => $session->getAccessStartDate()
? $session->getAccessStartDate()->format('Y-m-d H:i:s')
: null,
'access_end_date' => $session->getAccessEndDate()
? $session->getAccessEndDate()->format('Y-m-d H:i:s')
: null,
'coach_access_start_date' => $session->getCoachAccessStartDate()
? $session->getCoachAccessStartDate()->format('Y-m-d H:i:s')
: null,
'coach_access_end_date' => $session->getCoachAccessEndDate()
? $session->getCoachAccessEndDate()->format('Y-m-d H:i:s')
: null,
'send_subscription_notification' => $session->getSendSubscriptionNotification(),
];
if (api_get_configuration_value('allow_session_status')) {
$table = Database::get_main_table(TABLE_MAIN_SESSION);
$sql = "SELECT status FROM $table WHERE id = $id";
$resultQuery = Database::query($sql);
$row = Database::fetch_array($resultQuery);
$result['status'] = $row['status'];
$result['status_label'] = self::getStatusLabel($row['status']);
}
// Converted to local values
$variables = [
'display_start_date',
'display_end_date',
'access_start_date',
'access_end_date',
'coach_access_start_date',
'coach_access_end_date',
];
foreach ($variables as $value) {
$result[$value.'_to_local_time'] = null;
if (!empty($result[$value])) {
$result[$value.'_to_local_time'] = api_get_local_time($result[$value]);
}
}
return $result;
}
/**
* Create a session.
*
* @author Carlos Vargas <carlos.vargas@beeznest.com>, from existing code
*
* @param string $name
* @param string $startDate (YYYY-MM-DD hh:mm:ss)
* @param string $endDate (YYYY-MM-DD hh:mm:ss)
* @param string $displayStartDate (YYYY-MM-DD hh:mm:ss)
* @param string $displayEndDate (YYYY-MM-DD hh:mm:ss)
* @param string $coachStartDate (YYYY-MM-DD hh:mm:ss)
* @param string $coachEndDate (YYYY-MM-DD hh:mm:ss)
* @param mixed $coachId If int, this is the session coach id,
* if string, the coach ID will be looked for from the user table
* @param int $sessionCategoryId ID of the session category in which this session is registered
* @param int $visibility Visibility after end date (0 = read-only, 1 = invisible, 2 =
* accessible)
* @param bool $fixSessionNameIfExists
* @param string $duration
* @param string $description Optional. The session description
* @param int $showDescription Optional. Whether show the session description
* @param array $extraFields
* @param int $sessionAdminId Optional. If this sessions was created by a session admin, assign it
* to him
* @param bool $sendSubscriptionNotification Optional.
* Whether send a mail notification to users being subscribed
* @param int $accessUrlId Optional.
* @param int $status
*
* @return mixed Session ID on success, error message otherwise
*
* @todo use an array to replace all this parameters or use the model.lib.php ...
*/
public static function create_session(
$name,
$startDate,
$endDate,
$displayStartDate,
$displayEndDate,
$coachStartDate,
$coachEndDate,
$coachId,
$sessionCategoryId,
$visibility = 1,
$fixSessionNameIfExists = false,
$duration = null,
$description = null,
$showDescription = 0,
$extraFields = [],
$sessionAdminId = 0,
$sendSubscriptionNotification = false,
$accessUrlId = 0,
$status = 0
) {
global $_configuration;
// Check portal limits
$accessUrlId = api_is_multiple_url_enabled()
? (empty($accessUrlId) ? api_get_current_access_url_id() : (int) $accessUrlId)
: 1;
if (isset($_configuration[$accessUrlId]) &&
is_array($_configuration[$accessUrlId]) &&
isset($_configuration[$accessUrlId]['hosting_limit_sessions']) &&
$_configuration[$accessUrlId]['hosting_limit_sessions'] > 0
) {
$num = self::count_sessions();
if ($num >= $_configuration[$accessUrlId]['hosting_limit_sessions']) {
api_warn_hosting_contact('hosting_limit_sessions');
return get_lang('PortalSessionsLimitReached');
}
}
$name = Database::escape_string(trim($name));
$sessionCategoryId = (int) $sessionCategoryId;
$visibility = (int) $visibility;
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$startDate = Database::escape_string($startDate);
$endDate = Database::escape_string($endDate);
if (empty($name)) {
$msg = get_lang('SessionNameIsRequired');
return $msg;
} elseif (!empty($startDate) && !api_is_valid_date($startDate, 'Y-m-d H:i') &&
!api_is_valid_date($startDate, 'Y-m-d H:i:s')
) {
$msg = get_lang('InvalidStartDate');
return $msg;
} elseif (!empty($endDate) && !api_is_valid_date($endDate, 'Y-m-d H:i') &&
!api_is_valid_date($endDate, 'Y-m-d H:i:s')
) {
$msg = get_lang('InvalidEndDate');
return $msg;
} elseif (!empty($startDate) && !empty($endDate) && $startDate >= $endDate) {
$msg = get_lang('StartDateShouldBeBeforeEndDate');
return $msg;
} else {
$ready_to_create = false;
if ($fixSessionNameIfExists) {
$name = self::generateNextSessionName($name);
if ($name) {
$ready_to_create = true;
} else {
$msg = get_lang('SessionNameAlreadyExists');
return $msg;
}
} else {
$rs = Database::query("SELECT 1 FROM $tbl_session WHERE name='".$name."'");
if (Database::num_rows($rs)) {
$msg = get_lang('SessionNameAlreadyExists');
return $msg;
}
$ready_to_create = true;
}
if ($ready_to_create) {
$sessionAdminId = !empty($sessionAdminId) ? $sessionAdminId : api_get_user_id();
$values = [
'name' => $name,
'id_coach' => $coachId,
'session_admin_id' => $sessionAdminId,
'visibility' => $visibility,
'description' => $description,
'show_description' => $showDescription,
'send_subscription_notification' => (int) $sendSubscriptionNotification,
];
if (!empty($startDate)) {
$values['access_start_date'] = api_get_utc_datetime($startDate);
}
if (!empty($endDate)) {
$values['access_end_date'] = api_get_utc_datetime($endDate);
}
if (!empty($displayStartDate)) {
$values['display_start_date'] = api_get_utc_datetime($displayStartDate);
}
if (!empty($displayEndDate)) {
$values['display_end_date'] = api_get_utc_datetime($displayEndDate);
}
if (!empty($coachStartDate)) {
$values['coach_access_start_date'] = api_get_utc_datetime($coachStartDate);
}
if (!empty($coachEndDate)) {
$values['coach_access_end_date'] = api_get_utc_datetime($coachEndDate);
}
if (!empty($sessionCategoryId)) {
$values['session_category_id'] = $sessionCategoryId;
}
if (api_get_configuration_value('allow_session_status')) {
$values['status'] = $status;
}
$session_id = Database::insert($tbl_session, $values);
$duration = (int) $duration;
if (!empty($duration)) {
$sql = "UPDATE $tbl_session SET
access_start_date = NULL,
access_end_date = NULL,
display_start_date = NULL,
display_end_date = NULL,
coach_access_start_date = NULL,
coach_access_end_date = NULL,
duration = $duration
WHERE id = $session_id";
Database::query($sql);
} else {
$sql = "UPDATE $tbl_session
SET duration = 0
WHERE id = $session_id";
Database::query($sql);
}
if (!empty($session_id)) {
$extraFields['item_id'] = $session_id;
$sessionFieldValue = new ExtraFieldValue('session');
$sessionFieldValue->saveFieldValues($extraFields);
// Adding to the correct URL
UrlManager::add_session_to_url($session_id, $accessUrlId);
// add event to system log
Event::addEvent(
LOG_SESSION_CREATE,
LOG_SESSION_ID,
$session_id,
api_get_utc_datetime(),
api_get_user_id()
);
}
return $session_id;
}
}
}
/**
* @param string $name
*
* @return bool
*/
public static function sessionNameExists($name)
{
$name = Database::escape_string($name);
$sql = "SELECT COUNT(*) as count FROM ".Database::get_main_table(TABLE_MAIN_SESSION)."
WHERE name = '$name'";
$result = Database::fetch_array(Database::query($sql));
return $result['count'] > 0;
}
/**
* @param string $where_condition
*
* @return mixed
*/
public static function get_count_admin($where_condition = '')
{
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
$tbl_session_category = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$table_access_url_rel_session = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$tbl_session_rel_user = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$where = 'WHERE 1=1 ';
$user_id = api_get_user_id();
$extraJoin = '';
if (api_is_session_admin() &&
api_get_setting('allow_session_admins_to_manage_all_sessions') == 'false'
) {
$where .= " AND (
s.session_admin_id = $user_id OR
sru.user_id = '$user_id' AND
sru.relation_type = '".SESSION_RELATION_TYPE_RRHH."'
)
";
$extraJoin = " INNER JOIN $tbl_session_rel_user sru
ON sru.session_id = s.id ";
}
$today = api_get_utc_datetime();
$today = api_strtotime($today, 'UTC');
$today = date('Y-m-d', $today);
if (!empty($where_condition)) {
$where_condition = str_replace("( session_active = ':' )", '1=1', $where_condition);
$where_condition = str_replace('category_name', 'sc.name', $where_condition);
$where_condition = str_replace(
["AND session_active = '1' )", " AND ( session_active = '1' )"],
[') GROUP BY s.name HAVING session_active = 1 ', " GROUP BY s.name HAVING session_active = 1 "],
$where_condition
);
$where_condition = str_replace(
["AND session_active = '0' )", " AND ( session_active = '0' )"],
[') GROUP BY s.name HAVING session_active = 0 ', " GROUP BY s.name HAVING session_active = '0' "],
$where_condition
);
} else {
$where_condition = " AND 1 = 1";
}
$courseCondition = null;
if (strpos($where_condition, 'c.id')) {
$table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
$tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);
$courseCondition = " INNER JOIN $table course_rel_session
ON (s.id = course_rel_session.session_id)
INNER JOIN $tableCourse c
ON (course_rel_session.c_id = c.id)
";
}
$sql = "SELECT COUNT(id) as total_rows FROM (
SELECT DISTINCT
IF (
(s.access_start_date <= '$today' AND '$today' <= s.access_end_date) OR
(s.access_start_date IS NULL AND s.access_end_date IS NULL ) OR
(s.access_start_date <= '$today' AND s.access_end_date IS NULL) OR
('$today' <= s.access_end_date AND s.access_start_date IS NULL)
, 1, 0) as session_active,
s.id
FROM $tbl_session s
LEFT JOIN $tbl_session_category sc
ON s.session_category_id = sc.id
INNER JOIN $tbl_user u
ON s.id_coach = u.id
$courseCondition
$extraJoin
$where $where_condition ) as session_table";
if (api_is_multiple_url_enabled()) {
$access_url_id = api_get_current_access_url_id();
if ($access_url_id != -1) {
$where .= " AND ar.access_url_id = $access_url_id ";
$sql = "SELECT count(id) as total_rows FROM (
SELECT DISTINCT
IF (
(s.access_start_date <= '$today' AND '$today' <= s.access_end_date) OR
(s.access_start_date IS NULL AND s.access_end_date IS NULL) OR
(s.access_start_date <= '$today' AND s.access_end_date IS NULL) OR
('$today' <= s.access_end_date AND s.access_start_date IS NULL)
, 1, 0)
as session_active,
s.id
FROM $tbl_session s
LEFT JOIN $tbl_session_category sc
ON s.session_category_id = sc.id
INNER JOIN $tbl_user u ON s.id_coach = u.user_id
INNER JOIN $table_access_url_rel_session ar
ON ar.session_id = s.id
$courseCondition
$extraJoin
$where $where_condition) as session_table";
}
}
$result_rows = Database::query($sql);
$row = Database::fetch_array($result_rows);
$num = $row['total_rows'];
return $num;
}
/**
* Get session list for a session admin or platform admin.
*
* @param int $userId User Id for the session admin.
* @param array $options Order and limit keys.
* @param bool $getCount Whether to get all the results or only the count.
* @param array $columns Columns from jqGrid.
* @param string $listType
*
* @return array
*/
public static function getSessionsForAdmin(
$userId,
$options = [],
$getCount = false,
$columns = [],
$listType = 'all'
) {
$tblSession = Database::get_main_table(TABLE_MAIN_SESSION);
$sessionCategoryTable = Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY);
$where = 'WHERE 1 = 1 ';
$userId = (int) $userId;
if (!api_is_platform_admin() && !api_is_session_admin() && !api_is_teacher()) {
api_not_allowed(true);
}
if (!api_is_platform_admin()) {
if (api_is_session_admin() &&
'false' === api_get_setting('allow_session_admins_to_manage_all_sessions')
) {
$where .= " AND s.session_admin_id = $userId ";
}
}
if (!api_is_platform_admin() &&
api_is_teacher() &&
'true' === api_get_setting('allow_teachers_to_create_sessions')
) {
$where .= " AND s.id_coach = $userId ";
}
$extraFieldModel = new ExtraFieldModel('session');
$conditions = $extraFieldModel->parseConditions($options);
$sqlInjectJoins = $conditions['inject_joins'];
$where .= $conditions['where'];
$sqlInjectWhere = $conditions['inject_where'];
$injectExtraFields = $conditions['inject_extra_fields'];
$order = $conditions['order'];
$limit = $conditions['limit'];
$isMakingOrder = false;
$showCountUsers = false;
if (true === $getCount) {
$select = ' SELECT count(DISTINCT s.id) as total_rows ';
} else {
if (!empty($columns['column_model'])) {
foreach ($columns['column_model'] as $column) {
if ('users' == $column['name']) {
$showCountUsers = true;
}
}
}
$select =
"SELECT DISTINCT
s.name,
s.display_start_date,
s.display_end_date,
access_start_date,
access_end_date,
s.visibility,
s.session_category_id,
$injectExtraFields
s.id
";
if ($showCountUsers) {
$select .= ', count(su.user_id) users';
}
if (api_get_configuration_value('allow_session_status')) {
$select .= ', status';
}
if (isset($options['order'])) {
$isMakingOrder = 0 === strpos($options['order'], 'category_name');
}
}
$isFilteringSessionCategory = strpos($where, 'category_name') !== false;
$isFilteringSessionCategoryWithName = strpos($where, 'sc.name') !== false;
if ($isMakingOrder || $isFilteringSessionCategory || $isFilteringSessionCategoryWithName) {
$sqlInjectJoins .= " LEFT JOIN $sessionCategoryTable sc ON s.session_category_id = sc.id ";
if ($isFilteringSessionCategory) {
$where = str_replace('category_name', 'sc.name', $where);
}
if ($isMakingOrder) {
$order = str_replace('category_name', 'sc.name', $order);
}
}
if ($showCountUsers) {
$tblSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);
$sqlInjectJoins .= " LEFT JOIN $tblSessionRelUser su ON (su.session_id = s.id)";
}
$query = "$select FROM $tblSession s $sqlInjectJoins $where $sqlInjectWhere";
if (api_is_multiple_url_enabled()) {
$tblAccessUrlRelSession = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);
$accessUrlId = api_get_current_access_url_id();
if ($accessUrlId != -1) {
$where .= " AND ar.access_url_id = $accessUrlId ";
$query = "$select
FROM $tblSession s $sqlInjectJoins
INNER JOIN $tblAccessUrlRelSession ar
ON (ar.session_id = s.id) $where";
}
}
$date = api_get_utc_datetime();
switch ($listType) {
case 'all':
break;
case 'active':
$query .= "AND (
(s.access_end_date IS NULL)
OR
(
s.access_start_date IS NOT NULL AND
s.access_end_date IS NOT NULL AND
s.access_start_date <= '$date' AND s.access_end_date >= '$date')
OR
(
s.access_start_date IS NULL AND
s.access_end_date IS NOT NULL AND
s.access_end_date >= '$date'
)
)";
break;
case 'close':
$query .= "AND (
(
s.access_start_date IS NOT NULL AND
s.access_end_date IS NOT NULL AND
s.access_start_date <= '$date' AND s.access_end_date <= '$date')
OR
(
s.access_start_date IS NULL AND
s.access_end_date IS NOT NULL AND
s.access_end_date <= '$date'
)
)";
break;
}
if ($showCountUsers) {
$query .= ' GROUP by s.id';
}
$allowOrder = api_get_configuration_value('session_list_order');
if ($allowOrder) {
$order = ' ORDER BY position ASC';
}
$query .= $order;
$query .= $limit;
$result = Database::query($query);
$sessions = Database::store_result($result, 'ASSOC');
if ('all' === $listType) {
if ($getCount) {
return $sessions[0]['total_rows'];
}
return $sessions;
}
return $sessions;
}
/**
* Gets the admin session list callback of the session/session_list.php page.
*
* @param array $options order and limit keys
* @param bool $getCount Whether to get all the results or only the count
* @param array $columns
* @param array $extraFieldsToLoad
* @param string $listType
*
* @return mixed Integer for number of rows, or array of results
* @assert ([],true) !== false
*/
public static function formatSessionsAdminForGrid(
$options = [],
$getCount = false,
$columns = [],
$extraFieldsToLoad = [],
$listType = 'all'
) {
$showCountUsers = false;
if (!$getCount && !empty($columns['column_model'])) {
foreach ($columns['column_model'] as $column) {
if ('users' === $column['name']) {
$showCountUsers = true;
}
}
}
$userId = api_get_user_id();
$sessions = self::getSessionsForAdmin($userId, $options, $getCount, $columns, $listType);
if ($getCount) {
return (int) $sessions;
}
$formattedSessions = [];
$categories = self::get_all_session_category();
$orderedCategories = [];
if (!empty($categories)) {
foreach ($categories as $category) {
$orderedCategories[$category['id']] = $category['name'];
}
}
$activeIcon = Display::return_icon('accept.png', get_lang('Active'));
$inactiveIcon = Display::return_icon('error.png', get_lang('Inactive'));
$webPath = api_get_path(WEB_PATH);
foreach ($sessions as $session) {
if ($showCountUsers) {
$session['users'] = self::get_users_by_session($session['id'], 0, true);
}
$url = $webPath.'main/session/resume_session.php?id_session='.$session['id'];
if ($extraFieldsToLoad || api_is_drh()) {
$url = $webPath.'session/'.$session['id'].'/about/';
}
$session['name'] = Display::url($session['name'], $url);
if (!empty($extraFieldsToLoad)) {
foreach ($extraFieldsToLoad as $field) {
$extraFieldValue = new ExtraFieldValue('session');
$fieldData = $extraFieldValue->getAllValuesByItemAndField(
$session['id'],
$field['id']
);
$fieldDataArray = [];
$fieldDataToString = '';
if (!empty($fieldData)) {
foreach ($fieldData as $data) {
$fieldDataArray[] = $data['value'];
}
$fieldDataToString = implode(', ', $fieldDataArray);
}
$session[$field['variable']] = $fieldDataToString;
}
}
if (isset($session['session_active']) && $session['session_active'] == 1) {
$session['session_active'] = $activeIcon;
} else {
$session['session_active'] = $inactiveIcon;
}
$session = self::convert_dates_to_local($session, true);
switch ($session['visibility']) {
case SESSION_VISIBLE_READ_ONLY: //1
$session['visibility'] = get_lang('ReadOnly');
break;
case SESSION_VISIBLE: //2
case SESSION_AVAILABLE: //4
$session['visibility'] = get_lang('Visible');
break;
case SESSION_INVISIBLE: //3
$session['visibility'] = api_ucfirst(get_lang('Invisible'));
break;
}
// Cleaning double selects.
foreach ($session as $key => &$value) {
if (isset($optionsByDouble[$key]) || isset($optionsByDouble[$key.'_second'])) {
$options = explode('::', $value);
}
$original_key = $key;
if (strpos($key, '_second') !== false) {
$key = str_replace('_second', '', $key);
}
if (isset($optionsByDouble[$key]) &&
isset($options[0]) &&
isset($optionsByDouble[$key][$options[0]])
) {
if (strpos($original_key, '_second') === false) {
$value = $optionsByDouble[$key][$options[0]]['option_display_text'];
} else {
$value = $optionsByDouble[$key][$options[1]]['option_display_text'];
}
}
}
$categoryName = isset($orderedCategories[$session['session_category_id']]) ? $orderedCategories[$session['session_category_id']] : '';
$session['category_name'] = $categoryName;
if (isset($session['status'])) {
$session['status'] = self::getStatusLabel($session['status']);
}
$formattedSessions[] = $session;
}
return $formattedSessions;
}
/**
* Gets the progress of learning paths in the given session.
*
* @param int $sessionId
* @param int $courseId
* @param string $date_from
* @param string $date_to
* @param array options order and limit keys
*
* @return array table with user name, lp name, progress
*/
public static function get_session_lp_progress(
$sessionId,
$courseId,
$date_from,
$date_to,
$options
) {
//escaping vars
$sessionId = $sessionId === 'T' ? 'T' : intval($sessionId);
$courseId = intval($courseId);
//tables
$session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$user = Database::get_main_table(TABLE_MAIN_USER);
$tbl_course_lp_view = Database::get_course_table(TABLE_LP_VIEW);
$course = api_get_course_info_by_id($courseId);
$sessionCond = 'and session_id = %s';
if ($sessionId === 'T') {
$sessionCond = '';
}
$where = " WHERE c_id = '%s' AND s.status <> 2 $sessionCond";
$limit = null;
if (!empty($options['limit'])) {
$limit = " LIMIT ".$options['limit'];
}
if (!empty($options['where'])) {
$where .= ' '.$options['where'];
}
$order = null;
if (!empty($options['order'])) {
$order = " ORDER BY ".$options['order']." ";
}
$sql = "SELECT u.id as user_id, u.lastname, u.firstname, u.username, u.email, s.c_id
FROM $session_course_user s
INNER JOIN $user u ON u.id = s.user_id
$where
$order
$limit";
$sql_query = sprintf($sql, Database::escape_string($course['real_id']), $sessionId);
$rs = Database::query($sql_query);
while ($user = Database::fetch_array($rs)) {
$users[$user['user_id']] = $user;
}
// Get lessons
$lessons = LearnpathList::get_course_lessons($course['code'], $sessionId);
$table = [];
foreach ($users as $user) {
$data = [
'lastname' => $user[1],
'firstname' => $user[2],
'username' => $user[3],
];
$sessionCond = 'AND v.session_id = %d';
if ($sessionId == 'T') {
$sessionCond = "";
}
//Get lessons progress by user
$sql = "SELECT v.lp_id as id, v.progress
FROM $tbl_course_lp_view v
WHERE v.c_id = %d
AND v.user_id = %d
$sessionCond";
$sql_query = sprintf(
$sql,
intval($courseId),
intval($user['user_id']),
$sessionId
);
$result = Database::query($sql_query);
$user_lessons = [];
while ($row = Database::fetch_array($result)) {
$user_lessons[$row['id']] = $row;
}
//Match course lessons with user progress
$progress = 0;
$count = 0;
foreach ($lessons as $lesson) {
$data[$lesson['id']] = (!empty($user_lessons[$lesson['id']]['progress'])) ? $user_lessons[$lesson['id']]['progress'] : 0;
$progress += $data[$lesson['id']];
$data[$lesson['id']] = $data[$lesson['id']].'%';
$count++;
}
if ($count == 0) {
$data['total'] = 0;
} else {
$data['total'] = round($progress / $count, 2).'%';
}
$table[] = $data;
}
return $table;
}
/**
* Gets the survey answers.
*
* @param int $sessionId
* @param int $courseId
* @param int $surveyId
* @param array options order and limit keys
*
* @todo fix the query
*
* @return array table with user name, lp name, progress
*/
public static function get_survey_overview(
$sessionId,
$courseId,
$surveyId,
$date_from,
$date_to,
$options
) {
//escaping vars
$sessionId = intval($sessionId);
$courseId = intval($courseId);
$surveyId = intval($surveyId);
//tables
$session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$user = Database::get_main_table(TABLE_MAIN_USER);
$c_survey = Database::get_course_table(TABLE_SURVEY);
$c_survey_answer = Database::get_course_table(TABLE_SURVEY_ANSWER);
$c_survey_question = Database::get_course_table(TABLE_SURVEY_QUESTION);
$c_survey_question_option = Database::get_course_table(TABLE_SURVEY_QUESTION_OPTION);
$course = api_get_course_info_by_id($courseId);
$where = " WHERE c_id = '%s' AND s.status <> 2 AND session_id = %s";
$limit = null;
if (!empty($options['limit'])) {
$limit = " LIMIT ".$options['limit'];
}
if (!empty($options['where'])) {
$where .= ' '.$options['where'];
}
$order = null;
if (!empty($options['order'])) {
$order = " ORDER BY ".$options['order'];
}
$sql = "SELECT u.user_id, u.lastname, u.firstname, u.username, u.email, s.c_id
FROM $session_course_user s
INNER JOIN $user u ON u.user_id = s.user_id
$where $order $limit";
$sql_query = sprintf($sql, intval($course['real_id']), $sessionId);
$rs = Database::query($sql_query);
while ($user = Database::fetch_array($rs)) {
$users[$user['user_id']] = $user;
}
//Get survey questions
$questions = SurveyManager::get_questions($surveyId, $courseId);
//Survey is anonymous?
$result = Database::query(sprintf("SELECT anonymous FROM $c_survey WHERE survey_id = %d", $surveyId));
$row = Database::fetch_array($result);
$anonymous = ($row['anonymous'] == 1) ? true : false;
$table = [];
foreach ($users as $user) {
$data = [
'lastname' => ($anonymous ? '***' : $user[1]),
'firstname' => ($anonymous ? '***' : $user[2]),
'username' => ($anonymous ? '***' : $user[3]),
];
//Get questions by user
$sql = "SELECT sa.question_id, sa.option_id, sqo.option_text, sq.type
FROM $c_survey_answer sa
INNER JOIN $c_survey_question sq
ON sq.question_id = sa.question_id
LEFT JOIN $c_survey_question_option sqo
ON
sqo.c_id = sa.c_id AND
sqo.question_id = sq.question_id AND
sqo.question_option_id = sa.option_id AND