%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/* For licensing terms, see /license.txt */
/**
* Class SystemAnnouncementManager.
*/
class SystemAnnouncementManager
{
public const VISIBLE_GUEST = 'visible_guest';
public const VISIBLE_STUDENT = 'visible_student';
public const VISIBLE_TEACHER = 'visible_teacher';
// Requires DB change
public const VISIBLE_DRH = 'visible_drh';
public const VISIBLE_SESSION_ADMIN = 'visible_session_admin';
public const VISIBLE_STUDENT_BOSS = 'visible_boss';
/**
* @return array
*/
public static function getVisibilityList()
{
$extraRoles = self::newRolesActivated();
$visibleToUsers = [
self::VISIBLE_TEACHER => get_lang('Teacher'),
self::VISIBLE_STUDENT => get_lang('Student'),
self::VISIBLE_GUEST => get_lang('Guest'),
];
if ($extraRoles) {
$visibleToUsers[self::VISIBLE_DRH] = get_lang('DRH');
$visibleToUsers[self::VISIBLE_SESSION_ADMIN] = get_lang('SessionAdministrator');
$visibleToUsers[self::VISIBLE_STUDENT_BOSS] = get_lang('StudentBoss');
}
return $visibleToUsers;
}
/**
* @param string $visibility
*
* @return string
*/
public static function getVisibilityCondition($visibility)
{
$list = self::getVisibilityList();
$visibilityCondition = " AND ".self::VISIBLE_GUEST." = 1 ";
if (in_array($visibility, array_keys($list))) {
$visibilityCondition = " AND $visibility = 1 ";
}
return $visibilityCondition;
}
/**
* @param string $visibility
* @param int $id
* @param int $start
* @param string $user_id
*
* @return string
*/
public static function displayAllAnnouncements(
$visibility,
$id = -1,
$start = 0,
$user_id = ''
) {
$user_selected_language = api_get_interface_language();
$start = (int) $start;
$userGroup = new UserGroup();
$tbl_announcement_group = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS_GROUPS);
$temp_user_groups = $userGroup->get_groups_by_user(api_get_user_id(), 0);
$groups = [];
foreach ($temp_user_groups as $user_group) {
$groups = array_merge($groups, [$user_group['id']]);
$groups = array_merge($groups, $userGroup->get_parent_groups($user_group['id']));
}
// Checks if tables exists to not break platform not updated
$groups_string = '('.implode($groups, ',').')';
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$now = api_get_utc_datetime();
$sql = "SELECT * FROM $table
WHERE
(lang = '$user_selected_language' OR lang IS NULL) AND
( '$now' >= date_start AND '$now' <= date_end) ";
$sql .= self::getVisibilityCondition($visibility);
if (count($groups) > 0) {
$sql .= " OR id IN (
SELECT announcement_id FROM $tbl_announcement_group
WHERE group_id in $groups_string
) ";
}
if (api_is_multiple_url_enabled()) {
$current_access_url_id = api_get_current_access_url_id();
$sql .= " AND access_url_id IN ('1', '$current_access_url_id')";
}
if (!isset($_GET['start']) || $_GET['start'] == 0) {
$sql .= " ORDER BY date_start DESC LIMIT ".$start.",20";
} else {
$sql .= " ORDER BY date_start DESC LIMIT ".($start + 1).",20";
}
$announcements = Database::query($sql);
$content = '';
if (Database::num_rows($announcements) > 0) {
$content .= '<div class="system_announcements">';
$content .= '<h3>'.get_lang('SystemAnnouncements').'</h3>';
$content .= '<table align="center">';
$content .= '<tr>';
$content .= '<td>';
$content .= self::display_arrow($user_id);
$content .= '</td>';
$content .= '</tr>';
$content .= '</table>';
$content .= '<table align="center" border="0" width="900px">';
while ($announcement = Database::fetch_object($announcements)) {
$display_date = api_convert_and_format_date($announcement->display_date, DATE_FORMAT_LONG);
$content .= '<tr><td>';
$content .= '<a name="'.$announcement->id.'"></a>
<div class="system_announcement">
<h2>'.$announcement->title.'</h2>
<div class="system_announcement_date">'.$display_date.'</div>
<br />
<div class="system_announcement_content">'
.$announcement->content.'
</div>
</div><br />';
$content .= '</tr></td>';
}
$content .= '</table>';
$content .= '<table align="center">';
$content .= '<tr>';
$content .= '<td>';
$content .= self::display_arrow($user_id);
$content .= '</td>';
$content .= '</tr>';
$content .= '</table>';
$content .= '</div>';
}
return $content;
}
/**
* @param int $user_id
*
* @return string
*/
public static function display_arrow($user_id)
{
$start = (int) $_GET['start'];
$nb_announcement = self::count_nb_announcement($start, $user_id);
$next = ((int) $_GET['start'] + 19);
$prev = ((int) $_GET['start'] - 19);
$content = '';
if (!isset($_GET['start']) || $_GET['start'] == 0) {
if ($nb_announcement > 20) {
$content .= '<a href="news_list.php?start='.$next.'">'.get_lang('NextBis').' >> </a>';
}
} else {
echo '<a href="news_list.php?start='.$prev.'"> << '.get_lang('Prev').'</a>';
if ($nb_announcement > 20) {
$content .= '<a href="news_list.php?start='.$next.'">'.get_lang('NextBis').' >> </a>';
}
}
return $content;
}
/**
* @param int $start
* @param string $user_id
*
* @return int
*/
public static function count_nb_announcement($start = 0, $user_id = '')
{
$start = (int) $start;
$user_selected_language = api_get_interface_language();
$db_table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$sql = 'SELECT id FROM '.$db_table.'
WHERE (lang="'.$user_selected_language.'" OR lang IS NULL) ';
$visibility = self::getCurrentUserVisibility();
$sql .= self::getVisibilityCondition($visibility);
$current_access_url_id = 1;
if (api_is_multiple_url_enabled()) {
$current_access_url_id = api_get_current_access_url_id();
}
$sql .= " AND access_url_id = '$current_access_url_id' ";
$sql .= 'LIMIT '.$start.', 21';
$announcements = Database::query($sql);
$i = 0;
while ($rows = Database::fetch_array($announcements)) {
$i++;
}
return $i;
}
/**
* Get all announcements.
*
* @return array An array with all available system announcements (as php
* objects)
*/
public static function get_all_announcements()
{
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$now = api_get_utc_datetime();
$sql = "SELECT *, IF ( '$now' >= date_start AND '$now' <= date_end, '1', '0') AS visible
FROM $table";
$current_access_url_id = 1;
if (api_is_multiple_url_enabled()) {
$current_access_url_id = api_get_current_access_url_id();
}
$sql .= " WHERE access_url_id = '$current_access_url_id' ";
$sql .= " ORDER BY date_start ASC";
$result = Database::query($sql);
$announcements = [];
while ($announcement = Database::fetch_object($result)) {
$announcements[] = $announcement;
}
return $announcements;
}
/**
* Adds an announcement to the database.
*
* @param string $title Title of the announcement
* @param string $content Content of the announcement
* @param string $date_start Start date (YYYY-MM-DD HH:II: SS)
* @param string $date_end End date (YYYY-MM-DD HH:II: SS)
* @param array $visibility
* @param string $lang The language for which the announvement should be shown. Leave null for all langages
* @param int $send_mail Whether to send an e-mail to all users (1) or not (0)
* @param bool $add_to_calendar
* @param bool $sendEmailTest
* @param int $careerId
* @param int $promotionId
* @param array $groups
*
* @return mixed insert_id on success, false on failure
*/
public static function add_announcement(
$title,
$content,
$date_start,
$date_end,
$visibility,
$lang = '',
$send_mail = 0,
$add_to_calendar = false,
$sendEmailTest = false,
$careerId = 0,
$promotionId = 0,
$groups = []
) {
$original_content = $content;
$a_dateS = explode(' ', $date_start);
$a_arraySD = explode('-', $a_dateS[0]);
$a_arraySH = explode(':', $a_dateS[1]);
$date_start_to_compare = array_merge($a_arraySD, $a_arraySH);
$a_dateE = explode(' ', $date_end);
$a_arrayED = explode('-', $a_dateE[0]);
$a_arrayEH = explode(':', $a_dateE[1]);
$date_end_to_compare = array_merge($a_arrayED, $a_arrayEH);
$db_table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
if (!checkdate($date_start_to_compare[1], $date_start_to_compare[2], $date_start_to_compare[0])) {
Display::addFlash(
Display::return_message(get_lang('InvalidStartDate'), 'warning')
);
return false;
}
if (($date_end_to_compare[1] ||
$date_end_to_compare[2] ||
$date_end_to_compare[0]) &&
!checkdate($date_end_to_compare[1], $date_end_to_compare[2], $date_end_to_compare[0])
) {
Display::addFlash(
Display::return_message(get_lang('InvalidEndDate'), 'warning')
);
return false;
}
if (strlen(trim($title)) == 0) {
Display::addFlash(
Display::return_message(get_lang('InvalidTitle'), 'warning')
);
return false;
}
$start = api_get_utc_datetime($date_start);
$end = api_get_utc_datetime($date_end);
//Fixing urls that are sent by email
//$content = str_replace('src=\"/home/', 'src=\"'.api_get_path(WEB_PATH).'home/', $content);
//$content = str_replace('file=/home/', 'file='.api_get_path(WEB_PATH).'home/', $content);
$content = str_replace(
'src=\"'.api_get_path(REL_HOME_PATH),
'src=\"'.api_get_path(WEB_PATH).api_get_path(REL_HOME_PATH),
$content
);
$content = str_replace(
'file='.api_get_path(REL_HOME_PATH),
'file='.api_get_path(WEB_PATH).api_get_path(REL_HOME_PATH),
$content
);
$lang = is_null($lang) ? '' : $lang;
$current_access_url_id = 1;
if (api_is_multiple_url_enabled()) {
$current_access_url_id = api_get_current_access_url_id();
}
$params = [
'title' => $title,
'content' => $content,
'date_start' => $start,
'date_end' => $end,
'lang' => $lang,
'access_url_id' => $current_access_url_id,
];
if (api_get_configuration_value('allow_careers_in_global_announcements') && !empty($careerId)) {
$params['career_id'] = (int) $careerId;
$params['promotion_id'] = (int) $promotionId;
}
foreach ($visibility as $key => $value) {
$params[$key] = $value;
}
$resultId = Database::insert($db_table, $params);
if ($resultId) {
if ($sendEmailTest) {
self::send_system_announcement_by_email(
$resultId,
$visibility,
true
);
} else {
if ($send_mail == 1) {
self::send_system_announcement_by_email(
$resultId,
$visibility,
false,
$groups
);
}
}
if ($add_to_calendar) {
$agenda = new Agenda('admin');
$agenda->addEvent(
$date_start,
$date_end,
false,
$title,
$original_content,
[],
false,
null,
[],
[],
null,
'',
[],
false,
[],
$params['career_id'] ?? 0,
$params['promotion_id'] ?? 0
);
}
return $resultId;
}
return false;
}
/**
* Makes the announcement id visible only for groups in groups_array.
*
* @param int $announcement_id
* @param array $groups array of group id
*
* @return bool
*/
public static function announcement_for_groups($announcement_id, $groups)
{
$tbl_announcement_group = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS_GROUPS);
$announcement_id = (int) $announcement_id;
if (empty($announcement_id)) {
return false;
}
// First delete all group associations for this announcement
$sql = "DELETE FROM $tbl_announcement_group WHERE announcement_id= $announcement_id";
Database::query($sql);
if (!empty($groups)) {
foreach ($groups as $group_id) {
if (intval($group_id) != 0) {
$sql = "INSERT INTO $tbl_announcement_group SET
announcement_id=".$announcement_id.",
group_id=".intval($group_id);
Database::query($sql);
}
}
}
return true;
}
/**
* Gets the groups of this announce.
*
* @param int announcement id
*
* @return array array of group id
*/
public static function get_announcement_groups($announcement_id)
{
$tbl_announcement_group = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS_GROUPS);
$tbl_group = Database::get_main_table(TABLE_USERGROUP);
//first delete all group associations for this announcement
$sql = "SELECT
g.id as group_id,
g.name as group_name
FROM $tbl_group g , $tbl_announcement_group ag
WHERE
announcement_id =".intval($announcement_id)." AND
ag.group_id = g.id";
$res = Database::query($sql);
return Database::store_result($res);
}
/**
* Updates an announcement to the database.
*
* @param int $id of the announcement
* @param string $title title of the announcement
* @param string $content content of the announcement
* @param array $date_start start date (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute)
* @param array $date_end end date of (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute)
* @param array $visibility
* @param array $lang
* @param int $send_mail
* @param bool $sendEmailTest
* @param int $careerId
* @param int $promotionId
* @param array $groups
*
* @return bool True on success, false on failure
*/
public static function update_announcement(
$id,
$title,
$content,
$date_start,
$date_end,
$visibility,
$lang = null,
$send_mail = 0,
$sendEmailTest = false,
$careerId = 0,
$promotionId = 0,
$groups = []
) {
$em = Database::getManager();
$announcement = $em->find('ChamiloCoreBundle:SysAnnouncement', $id);
if (!$announcement) {
return false;
}
$a_dateS = explode(' ', $date_start);
$a_arraySD = explode('-', $a_dateS[0]);
$a_arraySH = explode(':', $a_dateS[1]);
$date_start_to_compare = array_merge($a_arraySD, $a_arraySH);
$a_dateE = explode(' ', $date_end);
$a_arrayED = explode('-', $a_dateE[0]);
$a_arrayEH = explode(':', $a_dateE[1]);
$date_end_to_compare = array_merge($a_arrayED, $a_arrayEH);
$lang = is_null($lang) ? '' : $lang;
if (!checkdate($date_start_to_compare[1], $date_start_to_compare[2], $date_start_to_compare[0])) {
echo Display::return_message(get_lang('InvalidStartDate'));
return false;
}
if (($date_end_to_compare[1] ||
$date_end_to_compare[2] ||
$date_end_to_compare[0]) &&
!checkdate($date_end_to_compare[1], $date_end_to_compare[2], $date_end_to_compare[0])
) {
echo Display::return_message(get_lang('InvalidEndDate'));
return false;
}
if (strlen(trim($title)) == 0) {
echo Display::return_message(get_lang('InvalidTitle'));
return false;
}
$start = api_get_utc_datetime($date_start);
$end = api_get_utc_datetime($date_end);
//Fixing urls that are sent by email
//$content = str_replace('src=\"/home/', 'src=\"'.api_get_path(WEB_PATH).'home/', $content);
//$content = str_replace('file=/home/', 'file='.api_get_path(WEB_PATH).'home/', $content);
$content = str_replace(
'src=\"'.api_get_path(REL_HOME_PATH),
'src=\"'.api_get_path(WEB_PATH).api_get_path(REL_HOME_PATH),
$content
);
$content = str_replace(
'file='.api_get_path(REL_HOME_PATH),
'file='.api_get_path(WEB_PATH).api_get_path(REL_HOME_PATH),
$content
);
$dateStart = new DateTime($start, new DateTimeZone('UTC'));
$dateEnd = new DateTime($end, new DateTimeZone('UTC'));
$announcement
->setLang($lang)
->setTitle($title)
->setContent($content)
->setDateStart($dateStart)
->setDateEnd($dateEnd)
//->setVisibleTeacher($visible_teacher)
//->setVisibleStudent($visible_student)
//->setVisibleGuest($visible_guest)
->setAccessUrlId(api_get_current_access_url_id());
$em->persist($announcement);
$em->flush();
// Update visibility
$list = self::getVisibilityList();
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
if (api_get_configuration_value('allow_careers_in_global_announcements') && !empty($careerId)) {
$params = [];
$params['career_id'] = (int) $careerId;
$params['promotion_id'] = (int) $promotionId;
Database::update(
$table,
$params,
['id = ? ' => $id]
);
}
foreach ($list as $key => $title) {
$value = isset($visibility[$key]) && $visibility[$key] ? 1 : 0;
$sql = "UPDATE $table SET $key = '$value' WHERE id = $id";
Database::query($sql);
}
if ($sendEmailTest) {
self::send_system_announcement_by_email(
$id,
$visibility,
true
);
} else {
if ($send_mail == 1) {
self::send_system_announcement_by_email(
$id,
$visibility,
false,
$groups
);
}
}
return true;
}
/**
* Deletes an announcement.
*
* @param int $id The identifier of the announcement that should be
*
* @return bool True on success, false on failure
*/
public static function delete_announcement($id)
{
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$id = (int) $id;
$sql = "DELETE FROM $table WHERE id =".$id;
$res = Database::query($sql);
if ($res === false) {
return false;
}
return true;
}
/**
* Gets an announcement.
*
* @param int $id The identifier of the announcement that should be
*
* @return object Object of class StdClass or the required class, containing the query result row
*/
public static function get_announcement($id)
{
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$id = (int) $id;
$sql = "SELECT * FROM ".$table." WHERE id = ".$id;
$announcement = Database::fetch_object(Database::query($sql));
return $announcement;
}
/**
* Change the visibility of an announcement.
*
* @param int $id
* @param int $user For who should the visibility be changed
* @param bool $visible
*
* @return bool True on success, false on failure
*/
public static function set_visibility($id, $user, $visible)
{
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$id = (int) $id;
$list = array_keys(self::getVisibilityList());
$user = trim($user);
$visible = (int) $visible;
if (!in_array($user, $list)) {
return false;
}
$field = $user;
$sql = "UPDATE $table SET ".$field." = '".$visible."'
WHERE id='".$id."'";
$res = Database::query($sql);
if ($res === false) {
return false;
}
return true;
}
/**
* Send a system announcement by e-mail to all teachers/students depending on parameters.
*
* @param int $id
* @param array $visibility
* @param bool $sendEmailTest
* @param array $groups
*
* @return bool True if the message was sent or there was no destination matching.
* False on database or e-mail sending error.
*/
public static function send_system_announcement_by_email($id, $visibility, $sendEmailTest = false, $groups = [])
{
$announcement = self::get_announcement($id);
if (empty($announcement)) {
return false;
}
$title = $announcement->title;
$content = $announcement->content;
$language = $announcement->lang;
$content = str_replace(['\r\n', '\n', '\r'], '', $content);
$now = api_get_utc_datetime();
$teacher = $visibility['visible_teacher'];
$student = $visibility['visible_student'];
if ($sendEmailTest) {
MessageManager::send_message_simple(api_get_user_id(), $title, $content);
return true;
}
$whereUsersInGroup = '';
$usersId = [];
foreach ($groups as $groupId) {
if (0 != $groupId) {
$tblGroupRelUser = Database::get_main_table(TABLE_USERGROUP_REL_USER);
$sql = "SELECT user_id FROM $tblGroupRelUser WHERE usergroup_id = $groupId";
$result = Database::query($sql);
$data = Database::store_result($result);
foreach ($data as $userArray) {
$usersId[] = $userArray['user_id'];
}
}
}
if (!empty($usersId)) {
$usersId = implode(',', $usersId);
$whereUsersInGroup = " AND u.user_id in ($usersId) ";
}
$urlJoin = '';
$urlCondition = '';
$user_table = Database::get_main_table(TABLE_MAIN_USER);
if (api_is_multiple_url_enabled()) {
$current_access_url_id = api_get_current_access_url_id();
$url_rel_user = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER);
$urlJoin = " INNER JOIN $url_rel_user uu ON uu.user_id = u.user_id ";
$urlCondition = " AND access_url_id = '".$current_access_url_id."' ";
}
if ($teacher != 0 && $student == 0) {
$sql = "SELECT DISTINCT u.user_id FROM $user_table u $urlJoin
WHERE status = '1' $urlCondition $whereUsersInGroup";
}
if ($teacher == 0 && $student != 0) {
$sql = "SELECT DISTINCT u.user_id FROM $user_table u $urlJoin
WHERE status = '5' $urlCondition $whereUsersInGroup";
}
if ($teacher != 0 && $student != 0) {
$sql = "SELECT DISTINCT u.user_id FROM $user_table u $urlJoin
WHERE 1 = 1 $urlCondition $whereUsersInGroup";
}
if (!isset($sql)) {
return false;
}
if (!empty($language)) {
//special condition because language was already treated for SQL insert before
$sql .= " AND language = '".Database::escape_string($language)."' ";
}
// Sent to active users.
$sql .= " AND email <>'' AND active = 1 ";
// Expiration date
$sql .= " AND (expiration_date IS NULL OR expiration_date > '$now') ";
if ((empty($teacher) || $teacher == '0') && (empty($student) || $student == '0')) {
return true;
}
$userListToFilter = [];
// @todo check if other filters will apply for the career/promotion option.
if (isset($announcement->career_id) && !empty($announcement->career_id)) {
$promotion = new Promotion();
$promotionList = $promotion->get_all_promotions_by_career_id($announcement->career_id);
if (isset($announcement->promotion_id) && !empty($announcement->promotion_id)) {
$promotionList = [];
$promotionList[] = $promotion->get($announcement->promotion_id);
}
if (!empty($promotionList)) {
foreach ($promotionList as $promotion) {
$sessionList = SessionManager::get_all_sessions_by_promotion($promotion['id']);
foreach ($sessionList as $session) {
if ($teacher) {
$users = SessionManager::get_users_by_session($session['id'], 2);
if (!empty($users)) {
$userListToFilter = array_merge($users, $userListToFilter);
}
}
if ($student) {
$users = SessionManager::get_users_by_session($session['id'], 0);
if (!empty($users)) {
$userListToFilter = array_merge($users, $userListToFilter);
}
}
}
}
}
}
if (!empty($userListToFilter)) {
$userListToFilter = array_column($userListToFilter, 'user_id');
$userListToFilterToString = implode("', '", $userListToFilter);
$sql .= " AND (u.user_id IN ('$userListToFilterToString') ) ";
}
$result = Database::query($sql);
if ($result === false) {
return false;
}
$message_sent = false;
while ($row = Database::fetch_array($result, 'ASSOC')) {
MessageManager::send_message_simple($row['user_id'], $title, $content);
$message_sent = true;
}
// Minor validation to clean up the attachment files in the announcement
if (!empty($_FILES)) {
$attachments = $_FILES;
foreach ($attachments as $attachment) {
unlink($attachment['tmp_name']);
}
}
return $message_sent; //true if at least one e-mail was sent
}
/**
* Returns the group announcements where the user is subscribed.
*
* @param $userId
* @param $visible
*
* @throws \Exception
*
* @return array
*/
public static function getAnnouncementsForGroups($userId, $visible)
{
$userSelectedLanguage = Database::escape_string(api_get_interface_language());
$tblSysAnnouncements = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$tblGrpAnnouncements = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS_GROUPS);
$tblUsrGrp = Database::get_main_table(TABLE_USERGROUP_REL_USER);
$now = api_get_utc_datetime();
$sql = "SELECT sys_announcement.*
FROM $tblSysAnnouncements AS sys_announcement
INNER JOIN $tblGrpAnnouncements AS announcement_rel_group
ON sys_announcement.id = announcement_rel_group.announcement_id
INNER JOIN $tblUsrGrp AS usergroup_rel_user
ON usergroup_rel_user.usergroup_id = announcement_rel_group.group_id
WHERE
usergroup_rel_user.user_id = $userId AND
(sys_announcement.lang = '$userSelectedLanguage' OR sys_announcement.lang = '') AND
('$now' >= sys_announcement.date_start AND '$now' <= sys_announcement.date_end)";
$sql .= self::getVisibilityCondition($visible);
$result = Database::query($sql);
$data = Database::store_result($result, 'ASSOC');
Database::free_result($result);
return $data;
}
public static function isVisibleAnnouncementForUser(
int $userId,
string $userVisibility,
int $careerId,
int $promotionId
): bool {
$objPromotion = new Promotion();
$promotionList = [];
if (!empty($promotionId)) {
$promotionList[] = $promotionId;
} else {
$promotionList = $objPromotion->get_all_promotions_by_career_id($careerId);
if (!empty($promotionList)) {
$promotionList = array_column($promotionList, 'id');
}
}
foreach ($promotionList as $promotionId) {
$sessionList = SessionManager::get_all_sessions_by_promotion($promotionId);
foreach ($sessionList as $session) {
$sessionId = $session['id'];
// Check student
if (self::VISIBLE_STUDENT == $userVisibility &&
SessionManager::isUserSubscribedAsStudent($sessionId, $userId)
) {
return true;
}
if (self::VISIBLE_TEACHER == $userVisibility
&& SessionManager::user_is_general_coach($userId, $sessionId)
) {
return true;
}
// Check course coach
$coaches = SessionManager::getCoachesBySession($sessionId);
if (self::VISIBLE_TEACHER == $userVisibility
&& in_array($userId, $coaches)
) {
return true;
}
}
}
return false;
}
/**
* Displays announcements as an slideshow.
*
* @param string $visible see self::VISIBLE_* constants
* @param int $id The identifier of the announcement to display
*
* @return string
*/
public static function displayAnnouncementsSlider($visible, $id = null)
{
$user_selected_language = Database::escape_string(api_get_interface_language());
$table = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$tblGrpAnnouncements = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS_GROUPS);
$cut_size = 500;
$now = api_get_utc_datetime();
//Exclude announcement to groups
$sql = "SELECT sys_announcement.*
FROM $table as sys_announcement
LEFT JOIN $tblGrpAnnouncements AS announcement_rel_group
ON sys_announcement.id = announcement_rel_group.announcement_id
WHERE
(sys_announcement.lang = '$user_selected_language' OR sys_announcement.lang = '') AND
('$now' >= sys_announcement.date_start AND '$now' <= sys_announcement.date_end) AND
announcement_rel_group.group_id is null";
$sql .= self::getVisibilityCondition($visible);
if (isset($id) && !empty($id)) {
$id = (int) $id;
$sql .= " AND id = $id ";
}
if (api_is_multiple_url_enabled()) {
$current_url_id = api_get_current_access_url_id();
$sql .= " AND access_url_id IN ('1', '$current_url_id') ";
}
$checkCareers = api_get_configuration_value('allow_careers_in_global_announcements') === true;
$userId = api_get_user_id();
$sql .= ' ORDER BY date_start DESC';
$result = Database::query($sql);
$announcements = [];
if (Database::num_rows($result) > 0) {
while ($announcement = Database::fetch_object($result)) {
if ($checkCareers && !empty($announcement->career_id)) {
$show = self::isVisibleAnnouncementForUser(
$userId,
$visible,
(int) $announcement->career_id,
(int) $announcement->promotion_id
);
if (false === $show) {
continue;
}
}
$announcementData = [
'id' => $announcement->id,
'title' => $announcement->title,
'content' => $announcement->content,
'readMore' => null,
];
if (empty($id)) {
if (api_strlen(strip_tags($announcement->content)) > $cut_size) {
//$announcementData['content'] = cut($announcement->content, $cut_size);
$announcementData['readMore'] = true;
}
}
$announcements[] = $announcementData;
}
}
/** Show announcement of group */
$announcementToGroup = self::getAnnouncementsForGroups($userId, $visible);
$totalAnnouncementToGroup = count($announcementToGroup);
for ($i = 0; $i < $totalAnnouncementToGroup; $i++) {
$announcement = $announcementToGroup[$i];
$announcementData = [
'id' => $announcement['id'],
'title' => $announcement['title'],
'content' => $announcement['content'],
'readMore' => null,
];
$content = $announcement['content'];
if (api_strlen(strip_tags($content)) > $cut_size) {
//$announcementData['content'] = cut($content, $cut_size);
$announcementData['readMore'] = true;
}
$announcements[] = $announcementData;
}
if (count($announcements) === 0) {
return null;
}
$template = new Template(null, false, false);
$template->assign('announcements', $announcements);
$layout = $template->get_template('announcement/slider.tpl');
return $template->fetch($layout);
}
/**
* Get the HTML code for an announcement.
*
* @param int $announcementId The announcement ID
* @param int $visibility The announcement visibility
*
* @return string The HTML code
*/
public static function displayAnnouncement($announcementId, $visibility)
{
$selectedUserLanguage = Database::escape_string(api_get_interface_language());
$announcementTable = Database::get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS);
$now = api_get_utc_datetime();
$announcementId = (int) $announcementId;
$whereConditions = [
"(lang = ? OR lang IS NULL OR lang = '') " => $selectedUserLanguage,
"AND (? >= date_start AND ? <= date_end) " => [$now, $now],
"AND id = ? " => $announcementId,
];
$condition = self::getVisibilityCondition($visibility);
$whereConditions[$condition] = 1;
if (api_is_multiple_url_enabled()) {
$whereConditions["AND access_url_id IN (1, ?) "] = api_get_current_access_url_id();
}
$announcement = Database::select(
'*',
$announcementTable,
[
'where' => $whereConditions,
'order' => 'date_start',
],
'first'
);
$template = new Template(null, false, false);
$template->assign('announcement', $announcement);
$layout = $template->get_template('announcement/view.tpl');
return $template->fetch($layout);
}
/**
* @return bool
*/
public static function newRolesActivated()
{
/* In order to use this option you need to run this SQL changes :
ALTER TABLE sys_announcement ADD COLUMN visible_drh INT DEFAULT 0;
ALTER TABLE sys_announcement ADD COLUMN visible_session_admin INT DEFAULT 0;
ALTER TABLE sys_announcement ADD COLUMN visible_boss INT DEFAULT 0;
*/
return api_get_configuration_value('system_announce_extra_roles');
}
/**
* @return string
*/
public static function getCurrentUserVisibility()
{
if (api_is_anonymous()) {
return SystemAnnouncementManager::VISIBLE_GUEST;
}
if (self::newRolesActivated()) {
if (api_is_student_boss()) {
return SystemAnnouncementManager::VISIBLE_STUDENT_BOSS;
}
if (api_is_session_admin()) {
return SystemAnnouncementManager::VISIBLE_SESSION_ADMIN;
}
if (api_is_drh()) {
return SystemAnnouncementManager::VISIBLE_DRH;
}
if (api_is_teacher()) {
return SystemAnnouncementManager::VISIBLE_TEACHER;
} else {
return SystemAnnouncementManager::VISIBLE_STUDENT;
}
} else {
// Default behaviour
return api_is_teacher() ? SystemAnnouncementManager::VISIBLE_TEACHER : SystemAnnouncementManager::VISIBLE_STUDENT;
}
}
}
Zerion Mini Shell 1.0