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 .= '

'; $content .= '

'.get_lang('SystemAnnouncements').'

'; $content .= ''; $content .= ''; $content .= ''; $content .= ''; $content .= '

'; $content .= self::display_arrow($user_id); $content .= '

'; $content .= ''; while ($announcement = Database::fetch_object($announcements)) { $display_date = api_convert_and_format_date($announcement->display_date, DATE_FORMAT_LONG); $content .= ''; } $content .= '

'; $content .= '

'.$announcement->title.'

'.$display_date.'

' .$announcement->content.'

'; $content .= '

'; $content .= ''; $content .= ''; $content .= ''; $content .= ''; $content .= '

'; $content .= self::display_arrow($user_id); $content .= '

'; $content .= '

'; } 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) { $content .= ''.get_lang('NextBis').' >> '; } } else { echo ' << '.get_lang('Prev').''; if ($nb_announcement > 20) { $content .= ''.get_lang('NextBis').' >> '; } } 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 $sql .= " AND (expiration_date = '' OR expiration_date IS NULL OR expiration_date > '$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; } } }