function verify()
{
if (isset($_GET["groupid"]) && isset($_GET["accept"])) {
$groupID = $_GET["groupid"];
if (!isValidID($groupID)) {
return;
}
$groupDAO = new GroupDAO();
$group = $groupDAO->getGroupByID($groupID);
if ($group === null) {
return;
}
$userDAO = new UserDAO();
$user = $userDAO->getUserByID($_SESSION["userID"]);
$gmDAO = new GroupMemberDAO();
$gm = $gmDAO->getGroupMember($group, $user);
if ($gm === null) {
return;
}
$status = $gm->getAcceptStatus();
if ($status == "1") {
return;
}
if ($_GET["accept"] == "1") {
$gm->setAcceptStatus("1");
$gmDAO->updateGroupMember($gm);
} elseif ($_GET["accept"] == "3") {
$gmDAO->deleteGroupMember($gm);
}
}
}
function uploadFile($userID, $groupID, $file)
{
$userDAO = new UserDAO();
$user = $userDAO->getUserByID($userID);
if ($user->getRole()->getRoleID() == "4") {
return "This user was forbidden to upload file!";
}
if (!isValidID($groupID)) {
return "Group id is not valid!";
}
$groupDAO = new GroupDAO();
$group = $groupDAO->getGroupByID($groupID);
if ($group === null) {
return "Can not find this group!";
}
if ($group->getActivateStatus() === "2") {
return "Group is not activated!";
}
$groupMemberDAO = new GroupMemberDAO();
$groupMember = $groupMemberDAO->getGroupMember($group, $user);
if ($groupMember === null) {
return "User didn't belong to this group!";
}
if (gettype($file["error"]) == "array") {
return "Only accept one file!";
}
$res = isValidUploadFile($file["error"]);
if ($res !== true) {
return $res;
}
$fileType = -1;
$res = isValidImage($file["name"]);
if ($res === true) {
$fileType = "2";
}
$res = isValidFile($file["name"]);
if ($res === true) {
$fileType = "3";
}
if ($fileType === -1) {
return "Only accepts jpeg/jpg/gif/png/zip file!";
}
$record = new Record($group, $user, $fileType, "temp", "1");
$recordDAO = new RecordDAO();
$recordDAO->insertRecord($record);
$fileDir = "upload/";
$filePath = $fileDir . $record->getRecordID() . "_" . $file["name"];
$record->setContent($filePath);
$recordDAO->updateRecord($record);
if (file_exists($filePath)) {
unlink($filePath);
}
if (!move_uploaded_file($file['tmp_name'], $filePath)) {
return "Fail to move file, please contact administrator!";
}
return true;
}
function postRecord($userID, $groupID, $messageType, $content)
{
$userDAO = new UserDAO();
$user = $userDAO->getUserByID($userID);
if ($user->getRole()->getRoleID() == "4") {
return "This user was forbidden to post!";
}
if (!isValidID($groupID)) {
return "Group id is not valid!";
}
if (!isValidMessageType($messageType)) {
return "Message type is not valid!";
}
if (gettype($content) != "string" || strlen($content) > 1000) {
return "Wrong type content or exceed max length(1000)!";
}
if ($messageType == "4") {
if (!preg_match("/^http:\\/\\//i", $content)) {
return "Only accept http url!";
}
$content = substr($content, 7);
if ($content === "") {
return "Invalid url!";
}
}
$groupDAO = new GroupDAO();
$group = $groupDAO->getGroupByID($groupID);
if ($group === null) {
return "Can not find this group!";
}
if ($group->getActivateStatus() === "2") {
return "Group is not activated!";
}
$groupMemberDAO = new GroupMemberDAO();
$groupMember = $groupMemberDAO->getGroupMember($group, $user);
if ($groupMember === null) {
return "User didn't belong to this group!";
}
$record = new Record($group, $user, $messageType, $content, "1");
$recordDAO = new RecordDAO();
$recordDAO->insertRecord($record);
return true;
}
function execAddToGroup($userID, $groupID, $adduserIDs)
{
$userDAO = new UserDAO();
$user = $userDAO->getUserByID($userID);
if (!isValidID($groupID)) {
return "Invalid group ID!";
}
if (gettype($adduserIDs) != "array") {
return "Wrong type of user id!";
}
if (count($adduserIDs) === 0) {
return "You have to choose users to add to this group!";
}
foreach ($adduserIDs as $adduserID) {
if (!isValidID($adduserID)) {
return "Invalid user ID!";
}
}
$groupDAO = new GroupDAO();
$group = $groupDAO->getGroupByID($groupID);
if ($group === null) {
return "Group doesn't exist!";
}
if ($group->getOwner()->getUserID() !== $userID) {
return "You are not the owner of this group!";
}
$gmDAO = new GroupMemberDAO();
foreach ($adduserIDs as $auID) {
$aduser = $userDAO->getUserByID($auID);
if ($aduser === null) {
continue;
}
$gm = $gmDAO->getGroupMember($group, $aduser);
if ($gm !== null) {
continue;
}
$gm = new GroupMember($group, $aduser, "2");
$gmDAO->insertGroupMember($gm);
}
return true;
}
