$db = new mysql_db(SERVER, USERNAME, PASSWORD, DATABASE);
$errortext_contact = "";
$errortext_friend = "";
$errortext_foe = "";
//apache config set REQUEST_METHOD GET as default, automatically add / after the linke
if ($_SERVER["REQUEST_METHOD"] == "GET") {
if (!empty($_GET["contact"])) {
rmExist($_SESSION["username"], $_GET["contact"]);
$errortext_contact = "remove " . $_GET["contact"] . " from contact list successfully";
} else {
if (!empty($_GET["friend"])) {
rmExist($_SESSION["username"], $_GET["friend"]);
$errortext_friend = "remove " . $_GET["friend"] . " from friend list successfully";
} else {
if (!empty($_GET["foe"])) {
rmExist($_SESSION["username"], $_GET["foe"]);
$errortext_foe = "remove " . $_GET["foe"] . " from foe list successfully";
}
}
}
$contacts = getContacts($_SESSION["username"]);
$friends = getFriends($_SESSION["username"]);
$foes = getFoes($_SESSION["username"]);
render("contact_template.php", ["contacts" => $contacts, "friends" => $friends, "foes" => $foes, "errortext_contact" => $errortext_contact, "errortext_friend" => $errortext_friend, "errortext_foe" => $errortext_foe, "titile" => "Contact"]);
} else {
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (!empty($_POST["contact"])) {
if ($_POST["contact"] === $_SESSION["username"]) {
$errortext_contact = "can't add yourself";
} else {
if (existUser($_POST["contact"]) === 0) {
function addContact($userid1, $userid2)
{
if (existType($userid2, $userid1) == 1) {
return 0;
}
rmExist($userid1, $userid2);
$query = "insert into contact values ('{$userid1}','{$userid2}', 3)";
$insert = mysql_query($query);
if (!$insert) {
die("Could not insert into the database: <br />" . mysql_error());
}
return 1;
}
