'; echo '

'.get_lang('SystemAnnouncements').'

'; echo ''; while ($announcement = Database::fetch_object($announcements)) { if ($id != $announcement->id) { if (strlen($query_string) > 0) { $show_url = 'news_list.php#'.$announcement->id; //$show_url = $url.'?'.$query_string.'&announcement='.$announcement->id; } else { $show_url = 'news_list.php#'.$announcement->id; //$show_url = $url.'?announcement='.$announcement->id; } echo ''; } else { echo '

' .$announcement->display_date.' '.$announcement->title.'

' .$announcement->content.'

'; } } /*echo '

';*/ echo ''; echo '

' .$announcement->display_date.'	'.$announcement->title.'

'; echo ''.get_lang("More").''; echo '

'; echo ''; } return; } function display_all_announcements($visible, $id = -1,$start = 0,$user_id='') { $user_selected_language = api_get_interface_language(); $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); $sql = "SELECT *, DATE_FORMAT(date_start,'%d-%m-%Y') AS display_date FROM ".$db_table." WHERE (lang='$user_selected_language' OR lang IS NULL) AND ((NOW() BETWEEN date_start AND date_end) OR date_end='0000-00-00')"; switch ($visible) { case VISIBLE_GUEST : $sql .= " AND visible_guest = 1 "; break; case VISIBLE_STUDENT : $sql .= " AND visible_student = 1 "; break; case VISIBLE_TEACHER : $sql .= " AND visible_teacher = 1 "; break; } if(!isset($_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,__FILE__,__LINE__); if (Database::num_rows($announcements)) { $query_string = ereg_replace('announcement=[1-9]+', '', $_SERVER['QUERY_STRING']); $query_string = ereg_replace('&$', '', $query_string); $url = api_get_self(); echo '

'; echo '

'.get_lang('SystemAnnouncements').'

'; echo ''; echo ''; echo ''; echo ''; echo '

'; SystemAnnouncementManager :: display_fleche($user_id); echo '

'; echo ''; while ($announcement = Database::fetch_object($announcements)) { echo ''; } echo '

'; echo '

' .$announcement->display_date.' '.$announcement->title.'

' .$announcement->content.'

'; echo '

'; echo ''; echo ''; echo ''; echo ''; echo '

'; SystemAnnouncementManager :: display_fleche($user_id); echo '

'; echo '

'; } return; } function display_fleche($user_id) { $start = (int)$_GET['start']; $nb_announcement = SystemAnnouncementManager :: count_nb_announcement($start,$user_id); $next = ((int)$_GET['start']+19); $prev = ((int)$_GET['start']-19); if(!isset($_GET['start']) || $_GET['start'] == 0) { if($nb_announcement > 20) { echo ''.get_lang('NextBis').' >> '; } } else { echo ' << '.get_lang('Prev').''; if($nb_announcement > 20) { echo ''.get_lang('NextBis').' >> '; } } } function count_nb_announcement($start = 0,$user_id = '') { $start = intval($start); $visibility = api_is_allowed_to_create_course() ? VISIBLE_TEACHER : VISIBLE_STUDENT; $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="'.$user_selected_language.'" OR lang IS NULL) '; if (isset($user_id)) { switch ($visibility) { case VISIBLE_GUEST : $sql .= " AND visible_guest = 1 "; break; case VISIBLE_STUDENT : $sql .= " AND visible_student = 1 "; break; case VISIBLE_TEACHER : $sql .= " AND visible_teacher = 1 "; break; } } $sql .= 'LIMIT '.$start.',21'; $announcements = Database::query($sql,__FILE__,__LINE__); $i = 0; while($rows = Database::fetch_array($announcements)) { $i++; } return $i; } /** * Get all announcements * @return array An array with all available system announcements (as php * objects) */ function get_all_announcements() { $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); $sql = "SELECT *, IF( NOW() BETWEEN date_start AND date_end, '1', '0') AS visible FROM ".$db_table." ORDER BY date_start ASC"; $announcements = Database::query($sql,__FILE__,__LINE__); $all_announcements = array(); while ($announcement = Database::fetch_object($announcements)) { $all_announcements[] = $announcement; } return $all_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 $date_end End date (YYYY-MM-DD HH:II: SS) */ function add_announcement($title, $content, $date_start, $date_end, $visible_teacher = 0, $visible_student = 0, $visible_guest = 0, $lang = null, $send_mail=0) { $a_dateS = explode(' ',$date_start); $a_arraySD = explode('-',$a_dateS[0]); $a_arraySH = explode(':',$a_dateS[1]); $date_start = array_merge($a_arraySD,$a_arraySH); $a_dateE = explode(' ',$date_end); $a_arrayED = explode('-',$a_dateE[0]); $a_arrayEH = explode(':',$a_dateE[1]); $date_end = array_merge($a_arrayED,$a_arrayEH); $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); if (!checkdate($date_start[1], $date_start[2], $date_start[0])) { Display :: display_normal_message(get_lang('InvalidStartDate')); return false; } if (($date_end[1] || $date_end[2] || $date_end[0]) && !checkdate($date_end[1], $date_end[2], $date_end[0])) { Display :: display_normal_message(get_lang('InvalidEndDate')); return false; } if( strlen(trim($title)) == 0) { Display::display_normal_message(get_lang('InvalidTitle')); return false; } $start = $date_start[0]."-".$date_start[1]."-".$date_start[2]." ".$date_start[3].":".$date_start[4].":".$date_start[5]; $end = $date_end[0]."-".$date_end[1]."-".$date_end[2]." ".$date_end[3].":".$date_end[4].":".$date_start[5]; $title = Database::escape_string($title); $content = Database::escape_string($content); $lang = is_null($lang) ? 'NULL' : "'".Database::escape_string($lang)."'"; $sql = "INSERT INTO ".$db_table." (title,content,date_start,date_end,visible_teacher,visible_student,visible_guest, lang) VALUES ('".$title."','".$content."','".$start."','".$end."','".$visible_teacher."','".$visible_student."','".$visible_guest."',".$lang.")"; if ($send_mail==1) { SystemAnnouncementManager::send_system_announcement_by_email($title, $content,$visible_teacher, $visible_student); } return Database::query($sql,__FILE__,__LINE__); } /** * Updates an announcement to the database * @param integer $id : id of the announcement * @param string $title : title of the announcement * @param string $content : content of the announcement * @param array $date_start: start date of announcement (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute) * @param array $date_end : end date of announcement (0 => day ; 1 => month ; 2 => year ; 3 => hour ; 4 => minute) */ function update_announcement($id, $title, $content, $date_start, $date_end, $visible_teacher = 0, $visible_student = 0, $visible_guest = 0,$lang=null, $send_mail=0) { $a_dateS = explode(' ',$date_start); $a_arraySD = explode('-',$a_dateS[0]); $a_arraySH = explode(':',$a_dateS[1]); $date_start = array_merge($a_arraySD,$a_arraySH); $a_dateE = explode(' ',$date_end); $a_arrayED = explode('-',$a_dateE[0]); $a_arrayEH = explode(':',$a_dateE[1]); $date_end = array_merge($a_arrayED,$a_arrayEH); $lang = is_null($lang) ? 'NULL' : "'".Database::escape_string($lang)."'"; $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); if (!checkdate($date_start[1], $date_start[2], $date_start[0])) { Display :: display_normal_message(get_lang('InvalidStartDate')); return false; } if (($date_end[1] || $date_end[2] || $date_end[0]) && !checkdate($date_end[1], $date_end[2], $date_end[0])) { Display :: display_normal_message(get_lang('InvalidEndDate')); return false; } if( strlen(trim($title)) == 0) { Display::display_normal_message(get_lang('InvalidTitle')); return false; } $start = $date_start[0]."-".$date_start[1]."-".$date_start[2]." ".$date_start[3].":".$date_start[4].":".$date_start[5]; $end = $date_end[0]."-".$date_end[1]."-".$date_end[2]." ".$date_end[3].":".$date_end[4].":".$date_start[5]; $title = Database::escape_string($title); $content = Database::escape_string($content); $id = intval($id); $sql = "UPDATE ".$db_table." SET lang=$lang,title='".$title."',content='".$content."',date_start='".$start."',date_end='".$end."', "; $sql .= " visible_teacher = '".$visible_teacher."', visible_student = '".$visible_student."', visible_guest = '".$visible_guest."' WHERE id='".$id."'"; if ($send_mail==1) { SystemAnnouncementManager::send_system_announcement_by_email($title, $content,$visible_teacher, $visible_student); } return Database::query($sql,__FILE__,__LINE__); } /** * Deletes an announcement * @param integer $id The identifier of the announcement that should be * deleted */ function delete_announcement($id) { $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); $id = intval($id); $sql = "DELETE FROM ".$db_table." WHERE id='".$id."'"; return Database::query($sql,__FILE__,__LINE__); } /** * Gets an announcement * @param integer $id The identifier of the announcement that should be * deleted */ function get_announcement($id) { $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); $id = intval($id); $sql = "SELECT * FROM ".$db_table." WHERE id='".$id."'"; $announcement = Database::fetch_object(Database::query($sql,__FILE__,__LINE__)); return $announcement; } /** * Change the visibility of an announcement * @param integer $announcement_id * @param integer $user For who should the visibility be changed (possible * values are VISIBLE_TEACHER, VISIBLE_STUDENT, VISIBLE_GUEST) */ function set_visibility($announcement_id, $user, $visible) { $db_table = Database :: get_main_table(TABLE_MAIN_SYSTEM_ANNOUNCEMENTS); $announcement_id = intval($announcement_id); $field = ($user == VISIBLE_TEACHER ? 'visible_teacher' : ($user == VISIBLE_STUDENT ? 'visible_student' : 'visible_guest')); $sql = "UPDATE ".$db_table." SET ".$field." = '".$visible."' WHERE id='".$announcement_id."'"; return Database::query($sql,__FILE__,__LINE__); } function send_system_announcement_by_email($title,$content,$teacher, $student) { global $_user; global $_setting; global $charset; $user_table = Database :: get_main_table(TABLE_MAIN_USER); if ($teacher<>0 AND $student == '0') { $sql = "SELECT * FROM $user_table WHERE email<>'' AND status = '1'"; } if ($teacher == '0' AND $student <> '0') { $sql = "SELECT * FROM $user_table WHERE email<>'' AND status = '5'"; } if ($teacher<>'0' AND $student <> '0') { $sql = "SELECT * FROM $user_table WHERE email<>''"; } if ($teacher == '0' AND $student == '0') { return true; } $result = Database::query($sql,__FILE__,__LINE__); while($row = Database::fetch_array($result,'ASSOC')) { api_mail_html(api_get_person_name($row['firstname'], $row['lastname'], null, PERSON_NAME_EMAIL_ADDRESS), $row['email'], api_html_entity_decode(stripslashes($title), ENT_QUOTES, $charset), api_html_entity_decode(stripslashes($content), ENT_QUOTES, $charset), api_get_person_name($_user['firstName'], $_user['lastName'], null, PERSON_NAME_EMAIL_ADDRESS), api_get_setting('emailAdministrator'), api_get_setting('emailAdministrator')); } } } ?>