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

2873 lines
94 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Class UserGroup.
*
* This class provides methods for the UserGroup management.
* Include/require it in your code to use its features.
*
* @package chamilo.library
*/
class UserGroup extends Model
{
const SOCIAL_CLASS = 1;
const NORMAL_CLASS = 0;
public $columns = [
'id',
'name',
'description',
'group_type',
'picture',
'url',
'allow_members_leave_group',
'visibility',
'updated_at',
'created_at',
];
public $useMultipleUrl = false;
public $groupType = 0;
public $showGroupTypeSetting = false;
public $usergroup_rel_user_table;
public $usergroup_rel_course_table;
public $usergroup_rel_session_table;
public $access_url_rel_usergroup;
public $access_url_rel_user;
public $table_course;
public $table_user;
/**
* Set ups DB tables.
*/
public function __construct()
{
parent::__construct();
$this->table = Database::get_main_table(TABLE_USERGROUP);
$this->usergroup_rel_user_table = Database::get_main_table(TABLE_USERGROUP_REL_USER);
$this->usergroup_rel_course_table = Database::get_main_table(TABLE_USERGROUP_REL_COURSE);
$this->usergroup_rel_session_table = Database::get_main_table(TABLE_USERGROUP_REL_SESSION);
$this->access_url_rel_usergroup = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USERGROUP);
$this->access_url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$this->table_course = Database::get_main_table(TABLE_MAIN_COURSE);
$this->table_user = Database::get_main_table(TABLE_MAIN_USER);
$this->useMultipleUrl = api_get_configuration_value('multiple_access_urls');
if ($this->allowTeachers()) {
$this->columns[] = 'author_id';
}
}
/**
* @return bool
*/
public function getUseMultipleUrl()
{
return $this->useMultipleUrl;
}
/**
* @return int
*/
public function getTotalCount()
{
$options = [];
$from = $this->table;
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$options = [
'where' => [
'access_url_id = ?' => [
$urlId,
],
],
];
$from = " $this->table u
INNER JOIN $this->access_url_rel_usergroup a
ON (u.id = a.usergroup_id) ";
}
$row = Database::select('count(*) as count', $from, $options, 'first');
return $row['count'];
}
/**
* @param int $id user group id
* @param bool $getCount
*
* @return array|int
*/
public function getUserGroupUsers($id, $getCount = false)
{
$id = (int) $id;
$select = ' u.* ';
if ($getCount) {
$select = 'COUNT(u.id) count ';
}
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql = "SELECT $select
FROM $this->usergroup_rel_user_table u
INNER JOIN $this->access_url_rel_user a
ON (u.user_id = a.user_id)
WHERE u.usergroup_id = $id AND access_url_id = $urlId ";
} else {
$sql = "SELECT $select
FROM $this->usergroup_rel_user_table u
WHERE u.usergroup_id = $id";
}
$result = Database::query($sql);
if ($getCount) {
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['count'];
}
return 0;
} else {
$list = [];
$showCalendar = api_get_plugin_setting('learning_calendar', 'enabled') === 'true';
$calendarPlugin = null;
if ($showCalendar) {
$calendarPlugin = LearningCalendarPlugin::create();
}
$url = api_get_path(WEB_PLUGIN_PATH).'learning_calendar/calendar.php?';
while ($data = Database::fetch_array($result)) {
$userId = $data['user_id'];
$userInfo = api_get_user_info($userId);
$data['name'] = $userInfo['complete_name_with_username'];
if ($showCalendar) {
$calendar = $calendarPlugin->getUserCalendar($userId);
$data['calendar_id'] = 0;
$data['calendar'] = '';
if (!empty($calendar)) {
$calendarInfo = $calendarPlugin->getCalendar($calendar['calendar_id']);
if ($calendarInfo) {
$data['calendar_id'] = $calendar['calendar_id'];
$data['calendar'] = Display::url(
$calendarInfo['title'],
$url.'&id='.$calendar['calendar_id']
);
}
}
$courseAndSessionList = Tracking::show_user_progress(
$userId,
0,
'',
true,
true,
true
);
$stats = $calendarPlugin->getUserStats($userId, $courseAndSessionList);
$evaluations = $calendarPlugin->getGradebookEvaluationListToString($userId, $courseAndSessionList);
$data['gradebook_items'] = $evaluations;
$totalTime = 0;
foreach ($courseAndSessionList as $sessionId => $course) {
foreach ($course as $courseId) {
$totalTime += Tracking::get_time_spent_on_the_course($userId, $courseId, $sessionId);
}
}
$data['time_spent'] = api_time_to_hms($totalTime);
$data['lp_day_completed'] = $stats['completed'];
$data['days_diff'] = $stats['completed'] - $stats['user_event_count'];
}
$data['id'] = $data['user_id'];
$list[] = $data;
}
return $list;
}
}
/**
* @param int $type
*
* @return int
*/
public function get_count()
{
$authorCondition = '';
if ($this->allowTeachers()) {
if (!api_is_platform_admin()) {
$userId = api_get_user_id();
$authorCondition = " AND author_id = $userId";
}
}
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql = "SELECT count(u.id) as count
FROM $this->table u
INNER JOIN $this->access_url_rel_usergroup a
ON (u.id = a.usergroup_id)
WHERE access_url_id = $urlId $authorCondition
";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['count'];
}
} else {
$sql = "SELECT count(a.id) as count
FROM {$this->table} a
WHERE 1 = 1
$authorCondition
";
$result = Database::query($sql);
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['count'];
}
}
return 0;
}
/**
* @param string $name
*
* @return mixed
*/
public function getIdByName($name)
{
$row = Database::select(
'id',
$this->table,
['where' => ['name = ?' => $name]],
'first'
);
return $row['id'];
}
/**
* Displays the title + grid.
*/
public function returnGrid()
{
// action links
$html = '<div class="actions">';
if (api_is_platform_admin()) {
$html .= '<a href="../admin/index.php">'.
Display::return_icon(
'back.png',
get_lang('Back to').' '.get_lang('Administration'),
'',
ICON_SIZE_MEDIUM
).
'</a>';
}
$html .= '<a href="'.api_get_self().'?action=add">'.
Display::return_icon('new_class.png', get_lang('Add classes'), '', ICON_SIZE_MEDIUM).
'</a>';
$html .= Display::url(
Display::return_icon('import_csv.png', get_lang('Import'), [], ICON_SIZE_MEDIUM),
'usergroup_import.php'
);
$html .= Display::url(
Display::return_icon('export_csv.png', get_lang('Export'), [], ICON_SIZE_MEDIUM),
'usergroup_export.php'
);
$html .= '</div>';
$html .= Display::grid_html('usergroups');
return $html;
}
/**
* Displays the title + grid.
*/
public function displayToolBarUserGroupUsers()
{
// action links
echo '<div class="actions">';
$courseInfo = api_get_course_info();
if (empty($courseInfo)) {
echo '<a href="../admin/usergroups.php">'.
Display::return_icon('back.png', get_lang('Back to').' '.get_lang('Administration'), '', '32').
'</a>';
} else {
echo Display::url(
Display::return_icon('back.png', get_lang('Back to').' '.get_lang('Administration'), '', '32'),
api_get_path(WEB_CODE_PATH).'user/class.php?'.api_get_cidreq()
);
}
echo '</div>';
echo Display::grid_html('usergroups');
}
/**
* Get HTML grid.
*/
public function display_teacher_view()
{
echo Display::grid_html('usergroups');
}
/**
* Gets a list of course ids by user group.
*
* @param int $id user group id
* @param bool $loadCourseData
*
* @return array
*/
public function get_courses_by_usergroup($id, $loadCourseData = false)
{
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$from = $this->usergroup_rel_course_table." c
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id = c.usergroup_id) ";
$whereConditionSql = 'a.usergroup_id = ? AND access_url_id = ? ';
$whereConditionValues = [$id, $urlId];
} else {
$whereConditionSql = 'usergroup_id = ?';
$whereConditionValues = [$id];
$from = $this->usergroup_rel_course_table.' c ';
}
if ($loadCourseData) {
$from .= " INNER JOIN {$this->table_course} as course ON c.course_id = course.id";
}
$where = ['where' => [$whereConditionSql => $whereConditionValues]];
$select = 'course_id';
if ($loadCourseData) {
$select = 'course.*';
}
$results = Database::select(
$select,
$from,
$where
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
if ($loadCourseData) {
$array[$row['id']] = $row;
} else {
$array[] = $row['course_id'];
}
}
}
return $array;
}
/**
* @param array $options
* @param int $type
*
* @return array
*/
public function getUserGroupInCourse($options = [], $type = -1, $getCount = false)
{
$select = 'DISTINCT u.*';
if ($getCount) {
$select = 'count(u.id) as count';
}
if ($this->getUseMultipleURL()) {
$sql = "SELECT $select
FROM {$this->usergroup_rel_course_table} usergroup
INNER JOIN {$this->table} u
ON (u.id = usergroup.usergroup_id)
INNER JOIN {$this->table_course} c
ON (usergroup.course_id = c.id)
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id = u.id)
";
} else {
$sql = "SELECT $select
FROM {$this->usergroup_rel_course_table} usergroup
INNER JOIN {$this->table} u
ON (u.id = usergroup.usergroup_id)
INNER JOIN {$this->table_course} c
ON (usergroup.course_id = c.id)
";
}
if ($type != -1) {
$type = (int) $type;
$options['where']['AND group_type = ? '] = $type;
}
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$options['where']['AND access_url_id = ? '] = $urlId;
}
$conditions = Database::parse_conditions($options);
$sql .= $conditions;
$result = Database::query($sql);
if ($getCount) {
if (Database::num_rows($result)) {
$row = Database::fetch_array($result);
return $row['count'];
}
}
$array = Database::store_result($result, 'ASSOC');
return $array;
}
/**
* @param array $options
* @param int $type
* @param bool $getCount
*
* @return array|bool
*/
public function getUserGroupNotInCourse($options = [], $type = -1, $getCount = false)
{
$course_id = null;
if (isset($options['course_id'])) {
$course_id = (int) $options['course_id'];
unset($options['course_id']);
}
if (empty($course_id)) {
return false;
}
$select = 'DISTINCT u.*';
if ($getCount) {
$select = 'count(u.id) as count';
}
if ($this->getUseMultipleUrl()) {
$sql = "SELECT $select
FROM {$this->table} u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id = u.id)
LEFT OUTER JOIN {$this->usergroup_rel_course_table} urc
ON (u.id = urc.usergroup_id AND course_id = $course_id)
";
} else {
$sql = "SELECT $select
FROM {$this->table} u
LEFT OUTER JOIN {$this->usergroup_rel_course_table} urc
ON (u.id = urc.usergroup_id AND course_id = $course_id)
";
}
if ($type != -1) {
$type = (int) $type;
$options['where']['AND group_type = ? '] = $type;
}
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$options['where']['AND access_url_id = ? '] = $urlId;
}
/*if ($this->allowTeachers()) {
if (!api_is_platform_admin()) {
$userId = api_get_user_id();
$options['where']['AND author_id = ? '] = $userId;
}
}*/
$conditions = Database::parse_conditions($options);
$sql .= $conditions;
if ($getCount) {
$result = Database::query($sql);
$array = Database::fetch_array($result, 'ASSOC');
return $array['count'];
}
$result = Database::query($sql);
$array = Database::store_result($result, 'ASSOC');
return $array;
}
/**
* @param int $course_id
*
* @deprecated ?
*
* @return array
*/
public function get_usergroup_by_course($course_id)
{
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$options = [
'where' => [
'c.course_id = ? AND access_url_id = ?' => [
$course_id,
$urlId,
],
],
];
$from = " $this->usergroup_rel_course_table as c
INNER JOIN $this->access_url_rel_usergroup a
ON c.usergroup_id = a.usergroup_id ";
} else {
$options = ['where' => ['c.course_id = ?' => $course_id]];
$from = $this->usergroup_rel_course_table." c";
}
$results = Database::select('c.usergroup_id', $from, $options);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row['usergroup_id'];
}
}
return $array;
}
/**
* @param int $usergroup_id
* @param int $course_id
*
* @return bool
*/
public function usergroup_was_added_in_course($usergroup_id, $course_id)
{
$results = Database::select(
'usergroup_id',
$this->usergroup_rel_course_table,
['where' => ['course_id = ? AND usergroup_id = ?' => [$course_id, $usergroup_id]]]
);
if (empty($results)) {
return false;
}
return true;
}
/**
* Gets a list of session ids by user group.
*
* @param int $id group id
*
* @return array
*/
public function get_sessions_by_usergroup($id)
{
$results = Database::select(
'session_id',
$this->usergroup_rel_session_table,
['where' => ['usergroup_id = ?' => $id]]
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row['session_id'];
}
}
return $array;
}
/**
* Gets a list of user ids by user group.
*
* @param int $id user group id
* @param array $roles
*
* @return array with a list of user ids
*/
public function get_users_by_usergroup($id = null, $roles = [])
{
$relationCondition = '';
if (!empty($roles)) {
$relationConditionArray = [];
foreach ($roles as $relation) {
$relation = (int) $relation;
if (empty($relation)) {
$relationConditionArray[] = " (relation_type = 0 OR relation_type IS NULL OR relation_type = '') ";
} else {
$relationConditionArray[] = " relation_type = $relation ";
}
}
$relationCondition = ' AND ( ';
$relationCondition .= implode('OR', $relationConditionArray);
$relationCondition .= ' ) ';
}
if (empty($id)) {
$conditions = [];
} else {
$conditions = ['where' => ["usergroup_id = ? $relationCondition " => $id]];
}
$results = Database::select(
'user_id',
$this->usergroup_rel_user_table,
$conditions
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row['user_id'];
}
}
return $array;
}
/**
* Gets a list of user ids by user group.
*
* @param int $id user group id
* @param int $relation
*
* @return array with a list of user ids
*/
public function getUsersByUsergroupAndRelation($id, $relation = 0)
{
$relation = (int) $relation;
if (empty($relation)) {
$conditions = ['where' => ['usergroup_id = ? AND (relation_type = 0 OR relation_type IS NULL OR relation_type = "") ' => [$id]]];
} else {
$conditions = ['where' => ['usergroup_id = ? AND relation_type = ?' => [$id, $relation]]];
}
$results = Database::select(
'user_id',
$this->usergroup_rel_user_table,
$conditions
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row['user_id'];
}
}
return $array;
}
/**
* Get the group list for a user.
*
* @param int $userId The user ID
* @param int $filterByType Optional. The type of group
*
* @return array
*/
public function getUserGroupListByUser($userId, $filterByType = null)
{
$userId = (int) $userId;
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$from = $this->usergroup_rel_user_table." u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id AND u.usergroup_id)
INNER JOIN {$this->table} g
ON (u.usergroup_id = g.id)
";
$where = ['where' => ['user_id = ? AND access_url_id = ? ' => [$userId, $urlId]]];
} else {
$from = $this->usergroup_rel_user_table." u
INNER JOIN {$this->table} g
ON (u.usergroup_id = g.id)
";
$where = ['where' => ['user_id = ?' => $userId]];
}
if ($filterByType !== null) {
$where['where'][' AND g.group_type = ?'] = (int) $filterByType;
}
$results = Database::select(
'g.*',
$from,
$where
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row;
}
}
return $array;
}
/**
* Gets the usergroup id list by user id.
*
* @param int $userId user id
*
* @return array
*/
public function get_usergroup_by_user($userId)
{
$userId = (int) $userId;
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$from = $this->usergroup_rel_user_table." u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id = u.usergroup_id) ";
$where = ['where' => ['user_id = ? AND access_url_id = ? ' => [$userId, $urlId]]];
} else {
$from = $this->usergroup_rel_user_table.' u ';
$where = ['where' => ['user_id = ?' => $userId]];
}
$results = Database::select(
'u.usergroup_id',
$from,
$where
);
$array = [];
if (!empty($results)) {
foreach ($results as $row) {
$array[] = $row['usergroup_id'];
}
}
return $array;
}
/**
* Subscribes sessions to a group (also adding the members of the group in the session and course).
*
* @param int $usergroup_id usergroup id
* @param array $list list of session ids
* @param bool $deleteCurrentSessions Optional. Empty the session list for the usergroup (class)
*/
public function subscribe_sessions_to_usergroup($usergroup_id, $list, $deleteCurrentSessions = true)
{
$current_list = $this->get_sessions_by_usergroup($usergroup_id);
$user_list = $this->get_users_by_usergroup($usergroup_id);
$delete_items = $new_items = [];
if (!empty($list)) {
foreach ($list as $session_id) {
if (!in_array($session_id, $current_list)) {
$new_items[] = $session_id;
}
}
}
if ($deleteCurrentSessions) {
if (!empty($current_list)) {
foreach ($current_list as $session_id) {
if (!in_array($session_id, $list)) {
$delete_items[] = $session_id;
}
}
}
// Deleting items
if (!empty($delete_items)) {
foreach ($delete_items as $session_id) {
if (!empty($user_list)) {
foreach ($user_list as $user_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
}
}
Database::delete(
$this->usergroup_rel_session_table,
['usergroup_id = ? AND session_id = ?' => [$usergroup_id, $session_id]]
);
}
}
}
// Adding new relationships.
if (!empty($new_items)) {
foreach ($new_items as $session_id) {
$params = ['session_id' => $session_id, 'usergroup_id' => $usergroup_id];
Database::insert($this->usergroup_rel_session_table, $params);
if (!empty($user_list)) {
SessionManager::subscribeUsersToSession(
$session_id,
$user_list,
null,
false
);
}
}
}
}
/**
* Subscribes courses to a group (also adding the members of the group in the course).
*
* @param int $usergroup_id usergroup id
* @param array $list list of course ids (integers)
* @param bool $delete_groups
*/
public function subscribe_courses_to_usergroup($usergroup_id, $list, $delete_groups = true)
{
$current_list = $this->get_courses_by_usergroup($usergroup_id);
$user_list = $this->get_users_by_usergroup($usergroup_id);
$delete_items = $new_items = [];
if (!empty($list)) {
foreach ($list as $id) {
if (!in_array($id, $current_list)) {
$new_items[] = $id;
}
}
}
if (!empty($current_list)) {
foreach ($current_list as $id) {
if (!in_array($id, $list)) {
$delete_items[] = $id;
}
}
}
if ($delete_groups) {
$this->unsubscribe_courses_from_usergroup($usergroup_id, $delete_items);
}
// Adding new relationships
if (!empty($new_items)) {
foreach ($new_items as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
if ($course_info) {
if (!empty($user_list)) {
foreach ($user_list as $user_id) {
CourseManager::subscribeUser(
$user_id,
$course_info['code']
);
}
}
$params = [
'course_id' => $course_id,
'usergroup_id' => $usergroup_id,
];
Database::insert(
$this->usergroup_rel_course_table,
$params
);
}
}
}
}
/**
* @param int $usergroup_id
* @param array $delete_items
*/
public function unsubscribe_courses_from_usergroup($usergroup_id, $delete_items)
{
// Deleting items.
if (!empty($delete_items)) {
$user_list = $this->get_users_by_usergroup($usergroup_id);
foreach ($delete_items as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
if ($course_info) {
if (!empty($user_list)) {
foreach ($user_list as $user_id) {
CourseManager::unsubscribe_user(
$user_id,
$course_info['code']
);
}
}
Database::delete(
$this->usergroup_rel_course_table,
[
'usergroup_id = ? AND course_id = ?' => [
$usergroup_id,
$course_id,
],
]
);
}
}
}
}
/**
* Subscribe users to a group.
*
* @param int $usergroup_id usergroup id
* @param array $list list of user ids
* @param bool $delete_users_not_present_in_list
* @param int $relationType
*/
public function subscribe_users_to_usergroup(
$usergroup_id,
$list,
$delete_users_not_present_in_list = true,
$relationType = 0
) {
$current_list = $this->get_users_by_usergroup($usergroup_id);
$course_list = $this->get_courses_by_usergroup($usergroup_id);
$session_list = $this->get_sessions_by_usergroup($usergroup_id);
$session_list = array_filter($session_list);
$relationType = (int) $relationType;
$delete_items = [];
$new_items = [];
if (!empty($list)) {
foreach ($list as $user_id) {
if (!in_array($user_id, $current_list)) {
$new_items[] = $user_id;
}
}
}
if (!empty($current_list)) {
foreach ($current_list as $user_id) {
if (!in_array($user_id, $list)) {
$delete_items[] = $user_id;
}
}
}
// Deleting items
if (!empty($delete_items) && $delete_users_not_present_in_list) {
foreach ($delete_items as $user_id) {
// Removing courses
if (!empty($course_list)) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::unsubscribe_user($user_id, $course_info['code']);
}
}
// Removing sessions
if (!empty($session_list)) {
foreach ($session_list as $session_id) {
SessionManager::unsubscribe_user_from_session($session_id, $user_id);
}
}
if (empty($relationType)) {
Database::delete(
$this->usergroup_rel_user_table,
[
'usergroup_id = ? AND user_id = ? AND (relation_type = "0" OR relation_type IS NULL OR relation_type = "")' => [
$usergroup_id,
$user_id,
],
]
);
} else {
Database::delete(
$this->usergroup_rel_user_table,
[
'usergroup_id = ? AND user_id = ? AND relation_type = ?' => [
$usergroup_id,
$user_id,
$relationType,
],
]
);
}
}
}
// Adding new relationships
if (!empty($new_items)) {
// Adding sessions
if (!empty($session_list)) {
foreach ($session_list as $session_id) {
SessionManager::subscribeUsersToSession($session_id, $new_items, null, false);
}
}
foreach ($new_items as $user_id) {
// Adding courses
if (!empty($course_list)) {
foreach ($course_list as $course_id) {
$course_info = api_get_course_info_by_id($course_id);
CourseManager::subscribeUser($user_id, $course_info['code']);
}
}
$params = [
'user_id' => $user_id,
'usergroup_id' => $usergroup_id,
'relation_type' => $relationType,
];
Database::insert($this->usergroup_rel_user_table, $params);
}
}
}
/**
* @param string $name
*
* @return bool
*/
public function usergroup_exists($name)
{
$name = Database::escape_string($name);
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql = "SELECT * FROM $this->table u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (a.usergroup_id = u.id)
WHERE name = '".$name."' AND access_url_id = $urlId";
} else {
$sql = "SELECT * FROM $this->table WHERE name = '".$name."'";
}
$res = Database::query($sql);
return Database::num_rows($res) != 0;
}
/**
* @return bool
*/
public function allowTeachers()
{
return api_get_configuration_value('allow_teachers_to_classes') === true;
}
/**
* @param int $sidx
* @param int $sord
* @param int $start
* @param int $limit
*
* @return array
*/
public function getUsergroupsPagination($sidx, $sord, $start, $limit)
{
$sord = in_array(strtolower($sord), ['asc', 'desc']) ? $sord : 'desc';
$start = (int) $start;
$limit = (int) $limit;
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$from = $this->table." u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (u.id = a.usergroup_id)";
$where = [' access_url_id = ?' => $urlId];
} else {
$from = $this->table.' u ';
$where = [];
}
if ($this->allowTeachers()) {
if (!api_is_platform_admin()) {
$userId = api_get_user_id();
$where = [' author_id = ?' => $userId];
}
}
$result = Database::select(
'u.*',
$from,
[
'where' => $where,
'order' => "name $sord",
'LIMIT' => "$start , $limit",
]
);
$new_result = [];
if (!empty($result)) {
foreach ($result as $group) {
$group['sessions'] = count($this->get_sessions_by_usergroup($group['id']));
$group['courses'] = count($this->get_courses_by_usergroup($group['id']));
$roles = [];
switch ($group['group_type']) {
case 0:
$group['group_type'] = Display::label(get_lang('Class'), 'info');
$roles = [0];
break;
case 1:
$group['group_type'] = Display::label(get_lang('Social'), 'success');
$roles = [
GROUP_USER_PERMISSION_ADMIN,
GROUP_USER_PERMISSION_READER,
GROUP_USER_PERMISSION_MODERATOR,
GROUP_USER_PERMISSION_HRM,
];
break;
}
$group['users'] = Display::url(
count($this->get_users_by_usergroup($group['id'], $roles)),
api_get_path(WEB_CODE_PATH).'admin/usergroup_users.php?id='.$group['id']
);
$new_result[] = $group;
}
$result = $new_result;
}
$columns = ['name', 'users', 'courses', 'sessions', 'group_type'];
if (!in_array($sidx, $columns)) {
$sidx = 'name';
}
// Multidimensional sort
$result = msort($result, $sidx, $sord);
return $result;
}
/**
* @param array $options
*
* @return array
*/
public function getDataToExport($options = [])
{
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$from = $this->table." u
INNER JOIN {$this->access_url_rel_usergroup} a
ON (u.id = a.usergroup_id)";
$options = ['where' => ['access_url_id = ? ' => $urlId]];
if ($this->allowTeachers()) {
$options['where'] = [' author_id = ? ' => api_get_user_id()];
}
$classes = Database::select('a.id, name, description', $from, $options);
} else {
if ($this->allowTeachers()) {
$options['where'] = [' author_id = ? ' => api_get_user_id()];
}
$classes = Database::select('id, name, description', $this->table, $options);
}
$result = [];
if (!empty($classes)) {
foreach ($classes as $data) {
$users = $this->getUserListByUserGroup($data['id']);
$userToString = null;
if (!empty($users)) {
$userNameList = [];
foreach ($users as $userData) {
$userNameList[] = $userData['username'];
}
$userToString = implode(',', $userNameList);
}
$data['users'] = $userToString;
$result[] = $data;
}
}
return $result;
}
/**
* @param string $firstLetter
* @param int $limit
*
* @return array
*/
public function filterByFirstLetter($firstLetter, $limit = 0)
{
$firstLetter = Database::escape_string($firstLetter);
$limit = (int) $limit;
$sql = ' SELECT g.id, name ';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql .= " FROM $this->table g
INNER JOIN $this->access_url_rel_usergroup a
ON (g.id = a.usergroup_id) ";
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql = " FROM $this->table g ";
}
$sql .= "
WHERE
name LIKE '".$firstLetter."%' OR
name LIKE '".api_strtolower($firstLetter)."%'
$urlCondition
ORDER BY name DESC ";
if (!empty($limit)) {
$sql .= " LIMIT $limit ";
}
$result = Database::query($sql);
return Database::store_result($result);
}
/**
* Select user group not in list.
*
* @param array $list
*
* @return array
*/
public function getUserGroupNotInList($list)
{
if (empty($list)) {
return [];
}
$list = array_map('intval', $list);
$listToString = implode("','", $list);
$sql = 'SELECT * ';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql .= " FROM $this->table g
INNER JOIN $this->access_url_rel_usergroup a
ON (g.id = a.usergroup_id)";
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql = " FROM $this->table g ";
}
$sql .= " WHERE g.id NOT IN ('$listToString') $urlCondition ";
$result = Database::query($sql);
return Database::store_result($result, 'ASSOC');
}
/**
* @param $params
* @param bool $show_query
*
* @return bool|int
*/
public function save($params, $show_query = false)
{
$params['updated_at'] = $params['created_at'] = api_get_utc_datetime();
$params['group_type'] = isset($params['group_type']) ? self::SOCIAL_CLASS : self::NORMAL_CLASS;
$params['allow_members_leave_group'] = isset($params['allow_members_leave_group']) ? 1 : 0;
$groupExists = $this->usergroup_exists(trim($params['name']));
if ($groupExists == false) {
if ($this->allowTeachers()) {
$params['author_id'] = api_get_user_id();
}
$id = parent::save($params, $show_query);
if ($id) {
if ($this->getUseMultipleUrl()) {
$this->subscribeToUrl($id, api_get_current_access_url_id());
}
if ($params['group_type'] == self::SOCIAL_CLASS) {
$this->add_user_to_group(
api_get_user_id(),
$id,
$params['group_type']
);
}
$picture = isset($_FILES['picture']) ? $_FILES['picture'] : null;
$picture = $this->manageFileUpload($id, $picture);
if ($picture) {
$params = [
'id' => $id,
'picture' => $picture,
'group_type' => $params['group_type'],
];
$this->update($params);
}
}
return $id;
}
return false;
}
/**
* {@inheritdoc}
*/
public function update($values, $showQuery = false)
{
$values['updated_on'] = api_get_utc_datetime();
$values['group_type'] = isset($values['group_type']) ? self::SOCIAL_CLASS : self::NORMAL_CLASS;
$values['allow_members_leave_group'] = isset($values['allow_members_leave_group']) ? 1 : 0;
$values['crop_image'] = isset($values['picture_crop_result']) ? $values['picture_crop_result'] : null;
if (isset($values['id'])) {
$picture = isset($_FILES['picture']) ? $_FILES['picture'] : null;
if (!empty($picture)) {
$picture = $this->manageFileUpload($values['id'], $picture, $values['crop_image']);
if ($picture) {
$values['picture'] = $picture;
}
}
if (isset($values['delete_picture'])) {
$values['picture'] = null;
}
}
parent::update($values, $showQuery);
if (isset($values['delete_picture'])) {
$this->delete_group_picture($values['id']);
}
return true;
}
/**
* @param int $groupId
* @param string $picture
* @param string $cropParameters
*
* @return bool|string
*/
public function manageFileUpload($groupId, $picture, $cropParameters = '')
{
if (!empty($picture['name'])) {
return $this->update_group_picture(
$groupId,
$picture['name'],
$picture['tmp_name'],
$cropParameters
);
}
return false;
}
/**
* @param int $groupId
*
* @return string
*/
public function delete_group_picture($groupId)
{
return $this->update_group_picture($groupId);
}
/**
* Creates new group pictures in various sizes of a user, or deletes user pfotos.
* Note: This method relies on configuration setting from main/inc/conf/profile.conf.php.
*
* @param int The group id
* @param string $file The common file name for the newly created photos.
* It will be checked and modified for compatibility with the file system.
* If full name is provided, path component is ignored.
* If an empty name is provided, then old user photos are deleted only,
*
* @see UserManager::delete_user_picture() as the prefered way for deletion.
*
* @param string $source_file the full system name of the image from which user photos will be created
* @param string $cropParameters
*
* @return mixed Returns the resulting common file name of created images which usually should be stored in database.
* When an image is removed the function returns an empty string. In case of internal error or negative validation it returns FALSE.
*
* @see UserManager::delete_user_picture() as the prefered way for deletion.
*/
public function update_group_picture($group_id, $file = null, $source_file = null, $cropParameters = null)
{
$group_id = (int) $group_id;
if (empty($group_id)) {
return false;
}
$delete = empty($file);
if (empty($source_file)) {
$source_file = $file;
}
// User-reserved directory where photos have to be placed.
$path_info = $this->get_group_picture_path_by_id($group_id, 'system', true);
$path = $path_info['dir'];
// If this directory does not exist - we create it.
if (!is_dir($path)) {
$res = @mkdir($path, api_get_permissions_for_new_directories(), true);
if ($res === false) {
// There was an issue creating the directory $path, probably
// permissions-related
return false;
}
}
// Exit if only deletion has been requested. Return an empty picture name.
if ($delete) {
return '';
}
// Validation 2.
$allowed_types = ['jpg', 'jpeg', 'png', 'gif'];
$file = str_replace('\\', '/', $file);
$filename = (($pos = strrpos($file, '/')) !== false) ? substr($file, $pos + 1) : $file;
$extension = strtolower(substr(strrchr($filename, '.'), 1));
if (!in_array($extension, $allowed_types)) {
return false;
}
$avatar = 'group_avatar.jpg';
$filename = $group_id.'_'.$filename;
$groupImageBig = $path.'big_'.$filename;
$groupImage = $path.'medium_'.$filename;
if (file_exists($groupImageBig)) {
unlink($groupImageBig);
}
if (file_exists($groupImage)) {
unlink($groupImage);
}
$image = new Image($source_file);
$image->crop($cropParameters);
//Resize the images in two formats
$medium = new Image($source_file);
$medium->resize(128);
$medium->send_image($groupImage, -1, 'jpg');
$normal = new Image($source_file);
$normal->resize(450);
$normal->send_image($groupImageBig, -1, 'jpg');
return $filename;
}
/**
* @return mixed
*/
public function getGroupType()
{
return $this->groupType;
}
/**
* @param int $id
*
* @return bool|void
*/
public function delete($id)
{
$id = (int) $id;
if ($this->getUseMultipleUrl()) {
$this->unsubscribeToUrl($id, api_get_current_access_url_id());
}
$sql = "DELETE FROM $this->usergroup_rel_user_table
WHERE usergroup_id = $id";
Database::query($sql);
$sql = "DELETE FROM $this->usergroup_rel_course_table
WHERE usergroup_id = $id";
Database::query($sql);
$sql = "DELETE FROM $this->usergroup_rel_session_table
WHERE usergroup_id = $id";
Database::query($sql);
parent::delete($id);
}
/**
* @param int $id
* @param int $urlId
*/
public function subscribeToUrl($id, $urlId)
{
Database::insert(
$this->access_url_rel_usergroup,
[
'access_url_id' => $urlId,
'usergroup_id' => $id,
]
);
}
/**
* @param int $id
* @param int $urlId
*/
public function unsubscribeToUrl($id, $urlId)
{
Database::delete(
$this->access_url_rel_usergroup,
[
'access_url_id = ? AND usergroup_id = ? ' => [$urlId, $id],
]
);
}
/**
* @param $needle
*
* @return xajaxResponse
*/
public static function searchUserGroupAjax($needle)
{
$response = new xajaxResponse();
$return = '';
if (!empty($needle)) {
// xajax send utf8 datas... datas in db can be non-utf8 datas
$charset = api_get_system_encoding();
$needle = api_convert_encoding($needle, $charset, 'utf-8');
$needle = Database::escape_string($needle);
$sql = 'SELECT id, name
FROM '.Database::get_main_table(TABLE_USERGROUP).' u
WHERE name LIKE "'.$needle.'%"
ORDER BY name
LIMIT 11';
$result = Database::query($sql);
$i = 0;
while ($data = Database::fetch_array($result)) {
$i++;
if ($i <= 10) {
$return .= '<a
href="javascript: void(0);"
onclick="javascript: add_user_to_url(\''.addslashes($data['id']).'\',\''.addslashes($data['name']).' \')">'.$data['name'].' </a><br />';
} else {
$return .= '...<br />';
}
}
}
$response->addAssign('ajax_list_courses', 'innerHTML', api_utf8_encode($return));
return $response;
}
/**
* Get user list by usergroup.
*
* @param int $id
*
* @return array
*/
public function getUserListByUserGroup($id)
{
$id = (int) $id;
$sql = "SELECT u.* FROM $this->table_user u
INNER JOIN $this->usergroup_rel_user_table c
ON c.user_id = u.id
WHERE c.usergroup_id = $id"
;
$result = Database::query($sql);
return Database::store_result($result);
}
/**
* @param FormValidator $form
* @param string $type
* @param array $data
*/
public function setForm($form, $type = 'add', $data = [])
{
$header = '';
switch ($type) {
case 'add':
$header = get_lang('Add');
break;
case 'edit':
$header = get_lang('Edit');
break;
}
$form->addHeader($header);
// Name
$form->addElement('text', 'name', get_lang('Name'), ['maxlength' => 255]);
$form->applyFilter('name', 'trim');
$form->addRule('name', get_lang('Required field'), 'required');
$form->addRule('name', '', 'maxlength', 255);
// Description
$form->addHtmlEditor(
'description',
get_lang('Description'),
true,
false,
[
'ToolbarSet' => 'Minimal',
]
);
$form->applyFilter('description', 'trim');
if ($this->showGroupTypeSetting) {
$form->addElement(
'checkbox',
'group_type',
null,
get_lang('Social group')
);
}
// url
$form->addElement('text', 'url', get_lang('URL'));
$form->applyFilter('url', 'trim');
// Picture
//$allowed_picture_types = $this->getAllowedPictureExtensions();
// Picture
$form->addFile(
'picture',
get_lang('Add a picture'),
['id' => 'picture', 'class' => 'picture-form', 'crop_image' => true, 'crop_ratio' => '1 / 1']
);
if (isset($data['picture']) && strlen($data['picture']) > 0) {
$picture = $this->get_picture_group($data['id'], $data['picture'], 80);
$img = '<img src="'.$picture.'" />';
$form->addElement('label', null, $img);
$form->addElement('checkbox', 'delete_picture', '', get_lang('Remove picture'));
}
$form->addElement('select', 'visibility', get_lang('Group Permissions'), $this->getGroupStatusList());
$form->setRequiredNote('<span class="form_required">*</span> <small>'.get_lang('Required field').'</small>');
$form->addElement('checkbox', 'allow_members_leave_group', '', get_lang('Allow members to leave group'));
// Setting the form elements
if ($type === 'add') {
$form->addButtonCreate($header);
} else {
$form->addButtonUpdate($header);
}
}
/**
* Gets the current group image.
*
* @param string $id group id
* @param string picture group name
* @param string height
* @param string $size_picture picture size it can be small_, medium_ or big_
* @param string style css
*
* @return array with the file and the style of an image i.e $array['file'] $array['style']
*/
public function get_picture_group(
$id,
$picture_file,
$height,
$size_picture = GROUP_IMAGE_SIZE_MEDIUM,
$style = ''
) {
$picture = [];
//$picture['style'] = $style;
if ($picture_file === 'unknown.jpg') {
$picture['file'] = Display::returnIconPath($picture_file);
return $picture;
}
switch ($size_picture) {
case GROUP_IMAGE_SIZE_ORIGINAL:
$size_picture = '';
break;
case GROUP_IMAGE_SIZE_BIG:
$size_picture = 'big_';
break;
case GROUP_IMAGE_SIZE_MEDIUM:
$size_picture = 'medium_';
break;
case GROUP_IMAGE_SIZE_SMALL:
$size_picture = 'small_';
break;
default:
$size_picture = 'medium_';
}
$image_array_sys = $this->get_group_picture_path_by_id($id, 'system', false, true);
$image_array = $this->get_group_picture_path_by_id($id, 'web', false, true);
$file = $image_array_sys['dir'].$size_picture.$picture_file;
if (file_exists($file)) {
$picture['file'] = $image_array['dir'].$size_picture.$picture_file;
//$picture['style'] = '';
if ($height > 0) {
$dimension = api_getimagesize($picture['file']);
$margin = ($height - $dimension['width']) / 2;
//@ todo the padding-top should not be here
}
} else {
$file = $image_array_sys['dir'].$picture_file;
if (file_exists($file) && !is_dir($file)) {
$picture['file'] = $image_array['dir'].$picture_file;
} else {
$picture['file'] = Display::returnIconPath('group_na.png', 64);
}
}
return $picture;
}
/**
* Gets the group picture URL or path from group ID (returns an array).
* The return format is a complete path, enabling recovery of the directory
* with dirname() or the file with basename(). This also works for the
* functions dealing with the user's productions, as they are located in
* the same directory.
*
* @param int User ID
* @param string Type of path to return (can be 'none', 'system', 'rel', 'web')
* @param bool Whether we want to have the directory name returned 'as if'
* there was a file or not (in the case we want to know which directory to create -
* otherwise no file means no split subdir)
* @param bool If we want that the function returns the /main/img/unknown.jpg image set it at true
*
* @return array Array of 2 elements: 'dir' and 'file' which contain the dir
* and file as the name implies if image does not exist it will return the unknown
* image if anonymous parameter is true if not it returns an empty er's
*/
public function get_group_picture_path_by_id($id, $type = 'none', $preview = false, $anonymous = false)
{
switch ($type) {
case 'system': // Base: absolute system path.
$base = api_get_path(SYS_UPLOAD_PATH);
break;
case 'rel': // Base: semi-absolute web path (no server base).
$base = api_get_path(REL_CODE_PATH);
break;
case 'web': // Base: absolute web path.
$base = api_get_path(WEB_UPLOAD_PATH);
break;
case 'none':
default: // Base: empty, the result path below will be relative.
$base = '';
}
$id = (int) $id;
if (empty($id) || empty($type)) {
return $anonymous ? ['dir' => $base.'img/', 'file' => 'unknown.jpg'] : ['dir' => '', 'file' => ''];
}
$group_table = Database::get_main_table(TABLE_USERGROUP);
$sql = "SELECT picture FROM $group_table WHERE id = ".$id;
$res = Database::query($sql);
if (!Database::num_rows($res)) {
return $anonymous ? ['dir' => $base.'img/', 'file' => 'unknown.jpg'] : ['dir' => '', 'file' => ''];
}
$user = Database::fetch_array($res);
$picture_filename = trim($user['picture']);
if (api_get_setting('split_users_upload_directory') === 'true') {
if (!empty($picture_filename)) {
$dir = $base.'groups/'.substr($picture_filename, 0, 1).'/'.$id.'/';
} elseif ($preview) {
$dir = $base.'groups/'.substr((string) $id, 0, 1).'/'.$id.'/';
} else {
$dir = $base.'groups/'.$id.'/';
}
} else {
$dir = $base.'groups/'.$id.'/';
}
return ['dir' => $dir, 'file' => $picture_filename];
}
/**
* @return array
*/
public function getAllowedPictureExtensions()
{
return ['jpg', 'jpeg', 'png', 'gif'];
}
/**
* @return array
*/
public function getGroupStatusList()
{
$status = [
GROUP_PERMISSION_OPEN => get_lang('Open'),
GROUP_PERMISSION_CLOSED => get_lang('Closed'),
];
return $status;
}
/**
* @param int $type
*/
public function setGroupType($type)
{
$this->groupType = (int) $type;
}
/**
* @param int $group_id
* @param int $user_id
*
* @return bool
*/
public function is_group_admin($group_id, $user_id = 0)
{
if (empty($user_id)) {
$user_id = api_get_user_id();
}
$user_role = $this->get_user_group_role($user_id, $group_id);
if (in_array($user_role, [GROUP_USER_PERMISSION_ADMIN])) {
return true;
} else {
return false;
}
}
/**
* @param int $group_id
* @param int $user_id
*
* @return bool
*/
public function isGroupModerator($group_id, $user_id = 0)
{
if (empty($user_id)) {
$user_id = api_get_user_id();
}
$user_role = $this->get_user_group_role($user_id, $group_id);
if (in_array($user_role, [GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_MODERATOR])) {
return true;
} else {
return false;
}
}
/**
* @param int $group_id
* @param int $user_id
*
* @return bool
*/
public function is_group_member($group_id, $user_id = 0)
{
if (api_is_platform_admin()) {
return true;
}
if (empty($user_id)) {
$user_id = api_get_user_id();
}
$roles = [
GROUP_USER_PERMISSION_ADMIN,
GROUP_USER_PERMISSION_MODERATOR,
GROUP_USER_PERMISSION_READER,
GROUP_USER_PERMISSION_HRM,
];
$user_role = $this->get_user_group_role($user_id, $group_id);
if (in_array($user_role, $roles)) {
return true;
} else {
return false;
}
}
/**
* Gets the relationship between a group and a User.
*
* @author Julio Montoya
*
* @param int $user_id
* @param int $group_id
*
* @return int 0 if there are not relationship otherwise returns the user group
* */
public function get_user_group_role($user_id, $group_id)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$return_value = 0;
$user_id = (int) $user_id;
$group_id = (int) $group_id;
if (!empty($user_id) && !empty($group_id)) {
$sql = "SELECT relation_type
FROM $table_group_rel_user
WHERE
usergroup_id = $group_id AND
user_id = $user_id ";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
$row = Database::fetch_array($result, 'ASSOC');
$return_value = $row['relation_type'];
}
}
return $return_value;
}
/**
* @param int $userId
* @param int $groupId
*
* @return string
*/
public function getUserRoleToString($userId, $groupId)
{
$role = $this->get_user_group_role($userId, $groupId);
$roleToString = '';
switch ($role) {
case GROUP_USER_PERMISSION_ADMIN:
$roleToString = get_lang('Admin');
break;
case GROUP_USER_PERMISSION_READER:
$roleToString = get_lang('Reader');
break;
case GROUP_USER_PERMISSION_PENDING_INVITATION:
$roleToString = get_lang('Pending invitation');
break;
case GROUP_USER_PERMISSION_MODERATOR:
$roleToString = get_lang('Moderator');
break;
case GROUP_USER_PERMISSION_HRM:
$roleToString = get_lang('Human Resources Manager');
break;
}
return $roleToString;
}
/**
* Add a group of users into a group of URLs.
*
* @author Julio Montoya
*
* @param array $user_list
* @param array $group_list
* @param int $relation_type
*
* @return array
*/
public function add_users_to_groups($user_list, $group_list, $relation_type = GROUP_USER_PERMISSION_READER)
{
$table_url_rel_group = $this->usergroup_rel_user_table;
$result_array = [];
$relation_type = (int) $relation_type;
if (is_array($user_list) && is_array($group_list)) {
foreach ($group_list as $group_id) {
foreach ($user_list as $user_id) {
$user_id = (int) $user_id;
$group_id = (int) $group_id;
$role = $this->get_user_group_role($user_id, $group_id);
if ($role == 0) {
$sql = "INSERT INTO $table_url_rel_group
SET
user_id = $user_id ,
usergroup_id = $group_id ,
relation_type = $relation_type ";
$result = Database::query($sql);
if ($result) {
$result_array[$group_id][$user_id] = 1;
} else {
$result_array[$group_id][$user_id] = 0;
}
}
}
}
}
return $result_array;
}
/**
* Deletes an url and session relationship.
*
* @author Julio Montoya
*
* @param int $userId
* @param int $groupId
*
* @return bool true if success
* */
public function delete_user_rel_group($userId, $groupId)
{
$userId = (int) $userId;
$groupId = (int) $groupId;
if (empty($userId) || empty($groupId)) {
return false;
}
$table = $this->usergroup_rel_user_table;
$sql = "DELETE FROM $table
WHERE
user_id = $userId AND
usergroup_id = $groupId";
$result = Database::query($sql);
return $result;
}
/**
* Add a user into a group.
*
* @author Julio Montoya
*
* @param int $user_id
* @param int $group_id
* @param int $relation_type
*
* @return bool true if success
*/
public function add_user_to_group($user_id, $group_id, $relation_type = GROUP_USER_PERMISSION_READER)
{
$table_url_rel_group = $this->usergroup_rel_user_table;
if (!empty($user_id) && !empty($group_id)) {
$role = $this->get_user_group_role($user_id, $group_id);
if ($role == 0) {
$sql = "INSERT INTO $table_url_rel_group
SET
user_id = ".intval($user_id).",
usergroup_id = ".intval($group_id).",
relation_type = ".intval($relation_type);
Database::query($sql);
} elseif ($role == GROUP_USER_PERMISSION_PENDING_INVITATION) {
//if somebody already invited me I can be added
self::update_user_role($user_id, $group_id, GROUP_USER_PERMISSION_READER);
}
}
return true;
}
/**
* Updates the group_rel_user table with a given user and group ids.
*
* @author Julio Montoya
*
* @param int $user_id
* @param int $group_id
* @param int $relation_type
*/
public function update_user_role($user_id, $group_id, $relation_type = GROUP_USER_PERMISSION_READER)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$group_id = (int) $group_id;
$user_id = (int) $user_id;
$relation_type = (int) $relation_type;
$sql = "UPDATE $table_group_rel_user
SET relation_type = $relation_type
WHERE user_id = $user_id AND usergroup_id = $group_id";
Database::query($sql);
}
/**
* Gets the inner join from users and group table.
*
* @return array Database::store_result of the result
*
* @author Julio Montoya
* */
public function get_groups_by_user($user_id, $relationType = GROUP_USER_PERMISSION_READER, $with_image = false)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_group = $this->table;
$user_id = (int) $user_id;
if ($relationType == 0) {
$relationCondition = '';
} else {
if (is_array($relationType)) {
$relationType = array_map('intval', $relationType);
$relationType = implode("','", $relationType);
$relationCondition = " AND ( gu.relation_type IN ('$relationType')) ";
} else {
$relationType = (int) $relationType;
$relationCondition = " AND gu.relation_type = $relationType ";
}
}
$sql = 'SELECT
g.picture,
g.name,
g.description,
g.id ,
gu.relation_type';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$sql .= " FROM $tbl_group g
INNER JOIN ".$this->access_url_rel_usergroup." a
ON (g.id = a.usergroup_id)
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
$urlId = api_get_current_access_url_id();
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql .= " FROM $tbl_group g
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
}
$sql .= " WHERE
g.group_type = ".self::SOCIAL_CLASS." AND
gu.user_id = $user_id
$relationCondition
$urlCondition
ORDER BY created_at DESC ";
$result = Database::query($sql);
$array = [];
if (Database::num_rows($result) > 0) {
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($with_image) {
$picture = $this->get_picture_group($row['id'], $row['picture'], 80);
$img = '<img src="'.$picture['file'].'" />';
$row['picture'] = $img;
}
$array[$row['id']] = $row;
}
}
return $array;
}
/** Gets the inner join of users and group table
* @param int quantity of records
* @param bool show groups with image or not
*
* @return array with group content
*
* @author Julio Montoya
* */
public function get_groups_by_popularity($num = 6, $with_image = true)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_group = $this->table;
if (empty($num)) {
$num = 6;
} else {
$num = (int) $num;
}
// only show admins and readers
$whereCondition = " WHERE
g.group_type = ".self::SOCIAL_CLASS." AND
gu.relation_type IN
('".GROUP_USER_PERMISSION_ADMIN."' , '".GROUP_USER_PERMISSION_READER."', '".GROUP_USER_PERMISSION_HRM."') ";
$sql = 'SELECT DISTINCT count(user_id) as count, g.picture, g.name, g.description, g.id ';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$sql .= " FROM $tbl_group g
INNER JOIN ".$this->access_url_rel_usergroup." a
ON (g.id = a.usergroup_id)
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
$urlId = api_get_current_access_url_id();
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql .= " FROM $tbl_group g
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
}
$sql .= "
$whereCondition
$urlCondition
GROUP BY g.id
ORDER BY count DESC
LIMIT $num";
$result = Database::query($sql);
$array = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($with_image) {
$picture = $this->get_picture_group($row['id'], $row['picture'], 80);
$img = '<img src="'.$picture['file'].'" />';
$row['picture'] = $img;
}
if (empty($row['id'])) {
continue;
}
$array[$row['id']] = $row;
}
return $array;
}
/** Gets the last groups created
* @param int $num quantity of records
* @param bool $withImage show groups with image or not
*
* @return array with group content
*
* @author Julio Montoya
* */
public function get_groups_by_age($num = 6, $withImage = true)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_group = $this->table;
if (empty($num)) {
$num = 6;
} else {
$num = (int) $num;
}
$where = " WHERE
g.group_type = ".self::SOCIAL_CLASS." AND
gu.relation_type IN
('".GROUP_USER_PERMISSION_ADMIN."' ,
'".GROUP_USER_PERMISSION_READER."',
'".GROUP_USER_PERMISSION_MODERATOR."',
'".GROUP_USER_PERMISSION_HRM."')
";
$sql = 'SELECT DISTINCT
count(user_id) as count,
g.picture,
g.name,
g.description,
g.id ';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$sql .= " FROM $tbl_group g
INNER JOIN ".$this->access_url_rel_usergroup." a
ON (g.id = a.usergroup_id)
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
$urlId = api_get_current_access_url_id();
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql .= " FROM $tbl_group g
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id";
}
$sql .= "
$where
$urlCondition
GROUP BY g.id
ORDER BY created_at DESC
LIMIT $num ";
$result = Database::query($sql);
$array = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($withImage) {
$picture = $this->get_picture_group($row['id'], $row['picture'], 80);
$img = '<img src="'.$picture['file'].'" />';
$row['picture'] = $img;
}
if (empty($row['id'])) {
continue;
}
$array[$row['id']] = $row;
}
return $array;
}
/**
* Gets the group's members.
*
* @param int group id
* @param bool show image or not of the group
* @param array list of relation type use constants
* @param int from value
* @param int limit
* @param array image configuration, i.e array('height'=>'20px', 'size'=> '20px')
*
* @return array list of users in a group
*/
public function get_users_by_group(
$group_id,
$withImage = false,
$relation_type = [],
$from = null,
$limit = null,
$image_conf = ['size' => USER_IMAGE_SIZE_MEDIUM, 'height' => 80]
) {
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$group_id = (int) $group_id;
if (empty($group_id)) {
return [];
}
$limit_text = '';
if (isset($from) && isset($limit)) {
$from = (int) $from;
$limit = (int) $limit;
$limit_text = "LIMIT $from, $limit";
}
if (count($relation_type) == 0) {
$where_relation_condition = '';
} else {
$new_relation_type = [];
foreach ($relation_type as $rel) {
$rel = (int) $rel;
$new_relation_type[] = "'$rel'";
}
$relation_type = implode(',', $new_relation_type);
if (!empty($relation_type)) {
$where_relation_condition = "AND gu.relation_type IN ($relation_type) ";
}
}
$sql = "SELECT picture_uri as image, u.id, CONCAT (u.firstname,' ', u.lastname) as fullname, relation_type
FROM $tbl_user u
INNER JOIN $table_group_rel_user gu
ON (gu.user_id = u.id)
WHERE
gu.usergroup_id= $group_id
$where_relation_condition
ORDER BY relation_type, firstname
$limit_text";
$result = Database::query($sql);
$array = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
if ($withImage) {
$userInfo = api_get_user_info($row['id']);
$userPicture = UserManager::getUserPicture($row['id']);
$row['image'] = '<img src="'.$userPicture.'" />';
$row['user_info'] = $userInfo;
}
$array[$row['id']] = $row;
}
return $array;
}
/**
* Gets all the members of a group no matter the relationship for
* more specifications use get_users_by_group.
*
* @param int group id
*
* @return array
*/
public function get_all_users_by_group($group_id)
{
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_user = Database::get_main_table(TABLE_MAIN_USER);
$group_id = (int) $group_id;
if (empty($group_id)) {
return [];
}
$sql = "SELECT u.id, u.firstname, u.lastname, relation_type
FROM $tbl_user u
INNER JOIN $table_group_rel_user gu
ON (gu.user_id = u.id)
WHERE gu.usergroup_id= $group_id
ORDER BY relation_type, firstname";
$result = Database::query($sql);
$array = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
$array[$row['id']] = $row;
}
return $array;
}
/**
* Shows the left column of the group page.
*
* @param int $group_id
* @param int $user_id
* @param string $show
*
* @return string
*/
public function show_group_column_information($group_id, $user_id, $show = '')
{
$html = '';
$group_info = $this->get($group_id);
//my relation with the group is set here
$my_group_role = $this->get_user_group_role($user_id, $group_id);
// Loading group permission
$links = '';
switch ($my_group_role) {
case GROUP_USER_PERMISSION_READER:
// I'm just a reader
$relation_group_title = get_lang('I am a reader');
$links .= '<li class="'.($show == 'invite_friends' ? 'active' : '').'"><a href="group_invitation.php?id='.$group_id.'">'.
Display::return_icon('invitation_friend.png', get_lang('Invite friends')).get_lang('Invite friends').'</a></li>';
if (self::canLeave($group_info)) {
$links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
Display::return_icon('group_leave.png', get_lang('Leave group')).get_lang('Leave group').'</a></li>';
}
break;
case GROUP_USER_PERMISSION_ADMIN:
$relation_group_title = get_lang('I am an admin');
$links .= '<li class="'.($show == 'group_edit' ? 'active' : '').'"><a href="group_edit.php?id='.$group_id.'">'.
Display::return_icon('group_edit.png', get_lang('Edit this group')).get_lang('Edit this group').'</a></li>';
$links .= '<li class="'.($show == 'member_list' ? 'active' : '').'"><a href="group_waiting_list.php?id='.$group_id.'">'.
Display::return_icon('waiting_list.png', get_lang('Waiting list')).get_lang('Waiting list').'</a></li>';
$links .= '<li class="'.($show == 'invite_friends' ? 'active' : '').'"><a href="group_invitation.php?id='.$group_id.'">'.
Display::return_icon('invitation_friend.png', get_lang('Invite friends')).get_lang('Invite friends').'</a></li>';
if (self::canLeave($group_info)) {
$links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
Display::return_icon('group_leave.png', get_lang('Leave group')).get_lang('Leave group').'</a></li>';
}
break;
case GROUP_USER_PERMISSION_PENDING_INVITATION:
// $links .= '<li><a href="groups.php?id='.$group_id.'&action=join&u='.api_get_user_id().'">'.Display::return_icon('addd.gif', get_lang('You have been invited to join now'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('You have been invited to join now').'</span></a></li>';
break;
case GROUP_USER_PERMISSION_PENDING_INVITATION_SENT_BY_USER:
$relation_group_title = get_lang('Waiting for admin response');
break;
case GROUP_USER_PERMISSION_MODERATOR:
$relation_group_title = get_lang('I am a moderator');
//$links .= '<li><a href="'.api_get_path(WEB_CODE_PATH).'social/message_for_group_form.inc.php?view_panel=1&height=400&width=610&&user_friend='.api_get_user_id().'&group_id='.$group_id.'&action=add_message_group" class="thickbox" title="'.get_lang('Compose message').'">'.Display::return_icon('compose_message.png', get_lang('Create thread'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('Create thread').'</span></a></li>';
//$links .= '<li><a href="groups.php?id='.$group_id.'">'. Display::return_icon('message_list.png', get_lang('Messages list'), array('hspace'=>'6')).'<span class="'.($show=='messages_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('Messages list').'</span></a></li>';
//$links .= '<li><a href="group_members.php?id='.$group_id.'">'. Display::return_icon('member_list.png', get_lang('Members list'), array('hspace'=>'6')).'<span class="'.($show=='member_list'?'social-menu-text-active':'social-menu-text4').'" >'.get_lang('Members list').'</span></a></li>';
if ($group_info['visibility'] == GROUP_PERMISSION_CLOSED) {
$links .= '<li><a href="group_waiting_list.php?id='.$group_id.'">'.
Display::return_icon('waiting_list.png', get_lang('Waiting list')).get_lang('Waiting list').'</a></li>';
}
$links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
Display::return_icon('invitation_friend.png', get_lang('Invite friends')).get_lang('Invite friends').'</a></li>';
if (self::canLeave($group_info)) {
$links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
Display::return_icon('group_leave.png', get_lang('Leave group')).get_lang('Leave group').'</a></li>';
}
break;
case GROUP_USER_PERMISSION_HRM:
$relation_group_title = get_lang('I am a human resources manager');
$links .= '<li><a href="'.api_get_path(WEB_CODE_PATH).'social/message_for_group_form.inc.php?view_panel=1&height=400&width=610&&user_friend='.api_get_user_id().'&group_id='.$group_id.'&action=add_message_group" class="ajax" title="'.get_lang('Compose message').'" data-size="lg" data-title="'.get_lang('Compose message').'">'.
Display::return_icon('new-message.png', get_lang('Create thread')).get_lang('Create thread').'</a></li>';
$links .= '<li><a href="group_view.php?id='.$group_id.'">'.
Display::return_icon('message_list.png', get_lang('Messages list')).get_lang('Messages list').'</a></li>';
$links .= '<li><a href="group_invitation.php?id='.$group_id.'">'.
Display::return_icon('invitation_friend.png', get_lang('Invite friends')).get_lang('Invite friends').'</a></li>';
$links .= '<li><a href="group_members.php?id='.$group_id.'">'.
Display::return_icon('member_list.png', get_lang('Members list')).get_lang('Members list').'</a></li>';
$links .= '<li><a href="group_view.php?id='.$group_id.'&action=leave&u='.api_get_user_id().'">'.
Display::return_icon('delete_data.gif', get_lang('Leave group')).get_lang('Leave group').'</a></li>';
break;
default:
//$links .= '<li><a href="groups.php?id='.$group_id.'&action=join&u='.api_get_user_id().'">'.Display::return_icon('addd.gif', get_lang('Join group'), array('hspace'=>'6')).'<span class="social-menu-text4" >'.get_lang('Join group').'</a></span></li>';
break;
}
if (!empty($links)) {
$list = '<ul class="nav nav-pills">';
$list .= $links;
$list .= '</ul>';
$html .= Display::panelCollapse(
get_lang('Social groups'),
$list,
'sm-groups',
[],
'groups-acordeon',
'groups-collapse'
);
}
return $html;
}
/**
* @param int $group_id
* @param int $topic_id
*/
public function delete_topic($group_id, $topic_id)
{
$table_message = Database::get_main_table(TABLE_MESSAGE);
$topic_id = (int) $topic_id;
$group_id = (int) $group_id;
$sql = "UPDATE $table_message SET
msg_status = 3
WHERE
group_id = $group_id AND
(id = '$topic_id' OR parent_id = $topic_id)
";
Database::query($sql);
}
/**
* @param string $user_id
* @param string $relation_type
* @param bool $with_image
*
* @deprecated
*
* @return int
*/
public function get_groups_by_user_count(
$user_id = '',
$relation_type = GROUP_USER_PERMISSION_READER,
$with_image = false
) {
$table_group_rel_user = $this->usergroup_rel_user_table;
$tbl_group = $this->table;
$user_id = intval($user_id);
if ($relation_type == 0) {
$where_relation_condition = '';
} else {
$relation_type = intval($relation_type);
$where_relation_condition = "AND gu.relation_type = $relation_type ";
}
$sql = "SELECT count(g.id) as count
FROM $tbl_group g
INNER JOIN $table_group_rel_user gu
ON gu.usergroup_id = g.id
WHERE gu.user_id = $user_id $where_relation_condition ";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
$row = Database::fetch_array($result, 'ASSOC');
return $row['count'];
}
return 0;
}
/**
* @param string $tag
* @param int $from
* @param int $number_of_items
*
* @return array
*/
public function get_all_group_tags($tag, $from = 0, $number_of_items = 10, $getCount = false)
{
$group_table = $this->table;
$tag = Database::escape_string($tag);
$from = (int) $from;
$number_of_items = (int) $number_of_items;
$return = [];
$keyword = $tag;
$sql = 'SELECT g.id, g.name, g.description, g.url, g.picture ';
$urlCondition = '';
if ($this->getUseMultipleUrl()) {
$urlId = api_get_current_access_url_id();
$sql .= " FROM $this->table g
INNER JOIN $this->access_url_rel_usergroup a
ON (g.id = a.usergroup_id)";
$urlCondition = " AND access_url_id = $urlId ";
} else {
$sql .= " FROM $group_table g";
}
if (isset($keyword)) {
$sql .= " WHERE (
g.name LIKE '%".$keyword."%' OR
g.description LIKE '%".$keyword."%' OR
g.url LIKE '%".$keyword."%'
) $urlCondition
";
} else {
$sql .= " WHERE 1 = 1 $urlCondition ";
}
$direction = 'ASC';
if (!in_array($direction, ['ASC', 'DESC'])) {
$direction = 'ASC';
}
$from = (int) $from;
$number_of_items = (int) $number_of_items;
$sql .= " LIMIT $from, $number_of_items";
$res = Database::query($sql);
if (Database::num_rows($res) > 0) {
while ($row = Database::fetch_array($res, 'ASSOC')) {
if (!in_array($row['id'], $return)) {
$return[$row['id']] = $row;
}
}
}
return $return;
}
/**
* @param int $group_id
*
* @return array
*/
public static function get_parent_groups($group_id)
{
$t_rel_group = Database::get_main_table(TABLE_USERGROUP_REL_USERGROUP);
$group_id = (int) $group_id;
$max_level = 10;
$select_part = 'SELECT ';
$cond_part = '';
for ($i = 1; $i <= $max_level; $i++) {
$rg_number = $i - 1;
if ($i == $max_level) {
$select_part .= "rg$rg_number.group_id as id_$rg_number ";
} else {
$select_part .= "rg$rg_number.group_id as id_$rg_number, ";
}
if ($i == 1) {
$cond_part .= "FROM $t_rel_group rg0
LEFT JOIN $t_rel_group rg$i
ON rg$rg_number.group_id = rg$i.subgroup_id ";
} else {
$cond_part .= " LEFT JOIN $t_rel_group rg$i
ON rg$rg_number.group_id = rg$i.subgroup_id ";
}
}
$sql = $select_part.' '.$cond_part."WHERE rg0.subgroup_id='$group_id'";
$res = Database::query($sql);
$temp_arr = Database::fetch_array($res, 'NUM');
$toReturn = [];
if (is_array($temp_arr)) {
foreach ($temp_arr as $elt) {
if (isset($elt)) {
$toReturn[] = $elt;
}
}
}
return $toReturn;
}
/**
* Get the group member list by a user and his group role.
*
* @param int $userId The user ID
* @param int $relationType Optional. The relation type. GROUP_USER_PERMISSION_ADMIN by default
* @param bool $includeSubgroupsUsers Optional. Whether include the users from subgroups
*
* @return array
*/
public function getGroupUsersByUser(
$userId,
$relationType = GROUP_USER_PERMISSION_ADMIN,
$includeSubgroupsUsers = true
) {
$userId = (int) $userId;
$groups = $this->get_groups_by_user($userId, $relationType);
$groupsId = array_keys($groups);
$subgroupsId = [];
$userIdList = [];
if ($includeSubgroupsUsers) {
foreach ($groupsId as $groupId) {
$subgroupsId = array_merge($subgroupsId, self::getGroupsByDepthLevel($groupId));
}
$groupsId = array_merge($groupsId, $subgroupsId);
}
$groupsId = array_unique($groupsId);
if (empty($groupsId)) {
return [];
}
foreach ($groupsId as $groupId) {
$groupUsers = $this->get_users_by_group($groupId);
if (empty($groupUsers)) {
continue;
}
foreach ($groupUsers as $member) {
if ($member['user_id'] == $userId) {
continue;
}
$userIdList[] = (int) $member['user_id'];
}
}
return array_unique($userIdList);
}
/**
* Get the subgroups ID from a group.
* The default $levels value is 10 considering it as a extensive level of depth.
*
* @param int $groupId The parent group ID
* @param int $levels The depth levels
*
* @return array The list of ID
*/
public static function getGroupsByDepthLevel($groupId, $levels = 10)
{
$groups = [];
$groupId = (int) $groupId;
$groupTable = Database::get_main_table(TABLE_USERGROUP);
$groupRelGroupTable = Database::get_main_table(TABLE_USERGROUP_REL_USERGROUP);
$select = 'SELECT ';
$from = "FROM $groupTable g1 ";
for ($i = 1; $i <= $levels; $i++) {
$tableIndexNumber = $i;
$tableIndexJoinNumber = $i - 1;
$select .= "g$i.id as id_$i ";
$select .= $i != $levels ? ', ' : null;
if ($i == 1) {
$from .= " INNER JOIN $groupRelGroupTable gg0
ON g1.id = gg0.subgroup_id and gg0.group_id = $groupId ";
} else {
$from .= "LEFT JOIN $groupRelGroupTable gg$tableIndexJoinNumber ";
$from .= " ON g$tableIndexJoinNumber.id = gg$tableIndexJoinNumber.group_id ";
$from .= "LEFT JOIN $groupTable g$tableIndexNumber ";
$from .= " ON gg$tableIndexJoinNumber.subgroup_id = g$tableIndexNumber.id ";
}
}
$result = Database::query("$select $from");
while ($item = Database::fetch_assoc($result)) {
foreach ($item as $myGroupId) {
if (!empty($myGroupId)) {
$groups[] = $myGroupId;
}
}
}
return array_map('intval', $groups);
}
/**
* Set a parent group.
*
* @param int $group_id
* @param int $parent_group_id if 0, we delete the parent_group association
* @param int $relation_type
*
* @return \Doctrine\DBAL\Statement
*/
public function setParentGroup($group_id, $parent_group_id, $relation_type = 1)
{
$table = Database::get_main_table(TABLE_USERGROUP_REL_USERGROUP);
$group_id = (int) $group_id;
$parent_group_id = (int) $parent_group_id;
if ($parent_group_id == 0) {
$sql = "DELETE FROM $table WHERE subgroup_id = $group_id";
} else {
$sql = "SELECT group_id FROM $table WHERE subgroup_id = $group_id";
$res = Database::query($sql);
if (Database::num_rows($res) == 0) {
$sql = "INSERT INTO $table SET
group_id = $parent_group_id,
subgroup_id = $group_id,
relation_type = $relation_type";
} else {
$sql = "UPDATE $table SET
group_id = $parent_group_id,
relation_type = $relation_type
WHERE subgroup_id = $group_id";
}
}
$res = Database::query($sql);
return $res;
}
/**
* Filter the groups/classes info to get a name list only.
*
* @param int $userId The user ID
* @param int $filterByType Optional. The type of group
*
* @return array
*/
public function getNameListByUser($userId, $filterByType = null)
{
$userClasses = $this->getUserGroupListByUser($userId, $filterByType);
return array_column($userClasses, 'name');
}
/**
* Get the HTML necessary for display the groups/classes name list.
*
* @param int $userId The user ID
* @param int $filterByType Optional. The type of group
*
* @return string
*/
public function getLabelsFromNameList($userId, $filterByType = null)
{
$groupsNameListParsed = $this->getNameListByUser($userId, $filterByType);
if (empty($groupsNameListParsed)) {
return '';
}
$nameList = '<ul class="list-unstyled">';
foreach ($groupsNameListParsed as $name) {
$nameList .= '<li>'.Display::span($name, ['class' => 'label label-info']).'</li>';
}
$nameList .= '</ul>';
return $nameList;
}
/**
* @param array $groupInfo
*
* @return bool
*/
public static function canLeave($groupInfo)
{
return $groupInfo['allow_members_leave_group'] == 1 ? true : false;
}
/**
* Check permissions and blocks the page.
*
* @param array $userGroupInfo
* @param bool $checkAuthor
* @param bool $checkCourseIsAllow
*/
public function protectScript($userGroupInfo = [], $checkAuthor = true, $checkCourseIsAllow = false)
{
api_block_anonymous_users();
if (api_is_platform_admin()) {
return true;
}
if ($checkCourseIsAllow) {
if (api_is_allowed_to_edit()) {
return true;
}
}
if ($this->allowTeachers() && api_is_teacher()) {
if ($checkAuthor && !empty($userGroupInfo)) {
if (isset($userGroupInfo['author_id']) && $userGroupInfo['author_id'] != api_get_user_id()) {
api_not_allowed(true);
}
}
return true;
} else {
api_protect_admin_script(true);
api_protect_limit_for_session_admin();
}
}
}