public static function list_system_messages()
{
define(SYSTEM_MESSAGE_ENTRIES_PER_PAGE, 6);
$system_message_array = SystemMessage::list_entries();
if (!$_GET['page']) {
$page = 1;
} else {
$page = $_GET['page'];
}
$entry_count = count($system_message_array);
$number_of_pages = ceil($entry_count / SYSTEM_MESSAGE_ENTRIES_PER_PAGE);
$template = new HTMLTemplate("base/list_system_messages.html");
if (is_array($system_message_array) and count($system_message_array) >= 1) {
$template->set_var("no_entry", false);
$result = array();
$counter = 0;
if (count($system_message_array) < $page * SYSTEM_MESSAGE_ENTRIES_PER_PAGE) {
$max_for = count($system_message_array) % SYSTEM_MESSAGE_ENTRIES_PER_PAGE - 1;
} else {
$max_for = SYSTEM_MESSAGE_ENTRIES_PER_PAGE - 1;
}
for ($i = 0; $i <= $max_for; $i++) {
$entry = $page * SYSTEM_MESSAGE_ENTRIES_PER_PAGE + $i - SYSTEM_MESSAGE_ENTRIES_PER_PAGE;
// Erzeugt Entry-ID
$value = $system_message_array[$entry];
$system_message = new SystemMessage($value);
$user = new User($system_message->get_user_id());
$datetime_handler = new DatetimeHandler($system_message->get_datetime());
$content = str_replace("\n", "<br />", $system_message->get_content());
$content = str_replace("\\", "", $content);
$result[$counter]['user'] = $user->get_full_name(false);
$result[$counter]['datetime'] = $datetime_handler->get_date() . " at " . $datetime_handler->get_time();
$result[$counter]['content'] = $content;
$counter++;
}
$template->set_var("message_array", $result);
} else {
$template->set_var("no_entry", true);
}
if ($number_of_pages > 1) {
$template->set_var("page_bar", Common_IO::page_bar($page, $number_of_pages, $_GET));
} else {
$template->set_var("page_bar", "");
}
$template->output();
}
/**
* @throws SystemMessageIDMissingException
*/
public static function edit()
{
if ($_GET['id']) {
$system_message = new SystemMessage($_GET['id']);
if ($_GET['nextpage'] == 1) {
$page_1_passed = true;
if (!$_POST['content']) {
$page_1_passed = false;
$error = "You must enter a text";
}
} else {
$page_1_passed = false;
$error = "";
}
if ($page_1_passed == false) {
$template = new HTMLTemplate("base/admin/system_message/edit.html");
$paramquery = $_GET;
$paramquery['nextpage'] = "1";
$params = http_build_query($paramquery, '', '&');
$template->set_var("params", $params);
if ($error) {
$template->set_var("error", $error);
} else {
$template->set_var("error", "");
}
$content = str_replace("\\", "", $system_message->get_content());
if ($_POST['content']) {
$template->set_var("content", $_POST['content']);
} else {
$template->set_var("content", $content);
}
$template->output();
} else {
$paramquery = $_GET;
unset($paramquery['nextpage']);
unset($paramquery['action']);
$params = http_build_query($paramquery);
if ($system_message->set_content($_POST['content'])) {
Common_IO::step_proceed($params, "Add System Message", "Operation Successful", null);
} else {
Common_IO::step_proceed($params, "Add System Message", "Operation Failed", null);
}
}
} else {
throw new SystemMessageIDMissingException();
}
}
