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util.php
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<?php
$id;
$conn;
$errorMessage;
function checkSession()
{
global $id;
session_start();
// Check for session
if (!isset($_SESSION["id"])) {
header("Location: login.php");
die();
}
$id = $_SESSION["id"];
}
function checkEmptySession()
{
global $id;
session_start();
// Check for session
if (isset($_SESSION["id"])) {
header("Location: index.php");
die();
}
}
function setError($str)
{
global $errorMessage;
if (empty($errorMessage)) {
$errorMessage = "<p id=\"error\">" . $str . "</p>";
}
}
function dbConnect()
{
global $conn;
global $errorMessage;
try {
$conn = new PDO("mysql:host=structhubdb.db.11405843.hostedresource.com;dbname=structhubdb", "structhubdb", "Cx!ak#Unm6Bknn54");
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException $e) {
setError("Could not connect to database.");
}
}
function userFromID($id)
{
global $conn;
$stmt = $conn->prepare("SELECT * FROM users WHERE id = :id");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetch();
return $result;
}
function userFromEmail($email)
{
global $conn;
$stmt = $conn->prepare("SELECT * FROM users WHERE email = :email");
$stmt->bindParam(":email", $email);
$stmt->execute();
$result = $stmt->fetch();
return $result;
}
function userFromUsername($username)
{
global $conn;
$stmt = $conn->prepare("SELECT * FROM users WHERE username = :username");
$stmt->bindParam(":username", $username);
$stmt->execute();
$result = $stmt->fetch();
return $result;
}
function prg()
{
if ($_POST) {
header("Location: " . $_SERVER['REQUEST_URI']);
die();
}
}
function echoHeader($n)
{
if ($n == 1) {
echo("
<!DOCTYPE HTML>
<html>
<head>
<meta charset=\"UTF-8\">
<title>StructHub</title>
<link rel=\"stylesheet\" href=\"styles/default.css\">
</head>
<body>
<div id=\"titleBar\">
<div id=\"titleBarWrap\">
<div id=\"titleBarLogo\">
<a href=\"index.php\"><img src=\"images/logo.png\" width=32px height=32px></a>
</div>
<div id=\"menu\">
<a id=\"nav\" href=\"index.php\">Home</a>
<a id=\"nav\" href=\"profile.php\">Profile</a>
<a id=\"nav\" href=\"contacts.php\">Contacts</a>
<a id=\"nav\" href=\"messaging.php\">Messaging</a>
<a id=\"nav\" href=\"teams.php\">Teams</a>
<a id=\"nav\" href=\"projects.php\">Projects</a>
<a id=\"nav\" href=\"settings.php\">Settings</a>
</div>
</div>
</div>
");
} else {
echo("
<!DOCTYPE HTML>
<html>
<head>
<meta charset=\"UTF-8\">
<title>StructHub</title>
<link rel=\"stylesheet\" href=\"styles/default.css\">
</head>
<body>
<div id=\"titleBar\">
<div id=\"titleBarWrap\">
<div>
<h1>StructHub</h1>
</div>
</div>
</div>
");
}
}
function getContacts($id)
{
global $conn;
$contacts = [];
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user1 = :id AND status = 2");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$contacts[] = $row["user2"];
}
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user2 = :id AND status = 2");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$contacts[] = $row["user1"];
}
return $contacts;
}
function getSentRequests($id)
{
global $conn;
$sent = [];
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user1 = :id AND status = 1");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$sent[] = $row["user2"];
}
return $sent;
}
function getReceivedRequests($id)
{
global $conn;
$received = [];
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user2 = :id AND status = 1");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$received[] = $row["user1"];
}
return $received;
}
function searchContacts($id, $query)
{
global $conn;
// Find contacts
$contacts = getContacts($id);
// Find users
$users = [];
$tempusers = [];
$name = preg_split('/\s+/', $query);
// Check if query is only 1 argument
if (count($name) == 1) {
$n = $name[0];
// Get users from query
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname = :n OR lastname = :n");
$stmt->bindParam(":n", $n);
$stmt->execute();
$result = $stmt->fetchAll();
// Store found users
foreach ($result as $row) {
if (in_array($row["id"], $contacts)) {
$users[] = $row["id"];
}
}
$ln = "%" . $n . "%";
// Get partial matches
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname LIKE :n OR lastname LIKE :n");
$stmt->bindParam(":n", $ln);
$stmt->execute();
$result = $stmt->fetchAll();
// Store found users
foreach ($result as $row) {
if (in_array($row["id"], $contacts) && !in_array($row["id"], $users)) {
$users[] = $row["id"];
}
}
}
else {
// Check each query argument for matching users
foreach ($name as $n) {
// Get users from argument
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname = :n OR lastname = :n");
$stmt->bindParam(":n", $n);
$stmt->execute();
$result = $stmt->fetchAll();
// Store users with more than 1 matching arguments before others
foreach ($result as $row) {
if (in_array($row["id"], $tempusers)) {
if (!in_array($row["id"], $users)) {
$users[] = $row["id"];
}
}
else if (in_array($row["id"], $contacts)) {
$tempusers[] = $row["id"];
}
}
}
// Add users with only 1 matching argument
foreach ($tempusers as $u) {
if (!in_array($u, $users)) {
$users[] = $u;
}
}
// Get partial matches for each query argument
foreach ($name as $n) {
$ln = "%" . $n . "%";
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname LIKE :n OR lastname LIKE :n");
$stmt->bindParam(":n", $ln);
$stmt->execute();
$result = $stmt->fetchAll();
// Store users with more than 1 partially matching arguments before others
foreach ($result as $row) {
if (in_array($row["id"], $tempusers)) {
if (!in_array($row["id"], $users)) {
$users[] = $row["id"];
}
}
else if (in_array($row["id"], $contacts)) {
$tempusers[] = $row["id"];
}
}
}
// Add users with only 1 partially matching argument
foreach ($tempusers as $u) {
if (!in_array($u, $users)) {
$users[] = $u;
}
}
}
// Return found users
return $users;
}
function searchUsers($id, $query)
{
global $conn;
// Find contacts
$contacts = [];
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user1 = :id AND status = 2");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$contacts[] = $row["user2"];
}
$stmt = $conn->prepare("SELECT * FROM contacts WHERE user2 = :id AND status = 2");
$stmt->bindParam(":id", $id);
$stmt->execute();
$result = $stmt->fetchAll();
foreach ($result as $row) {
$contacts[] = $row["user1"];
}
// Find users
$users = [];
$tempusers = [];
$name = preg_split('/\s+/', $query);
// Check if query is only 1 argument
if (count($name) == 1) {
$n = $name[0];
// Get users from query
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname = :n OR lastname = :n");
$stmt->bindParam(":n", $n);
$stmt->execute();
$result = $stmt->fetchAll();
// Store found users
foreach ($result as $row) {
if (in_array($row["id"], $contacts)) {
array_unshift($users, $row["id"]);
}
else {
$users[] = $row["id"];
}
}
$ln = "%" . $n . "%";
// Get partial matches
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname LIKE :n OR lastname LIKE :n");
$stmt->bindParam(":n", $ln);
$stmt->execute();
$result = $stmt->fetchAll();
// Store found users
foreach ($result as $row) {
if (in_array($row["id"], $contacts) && !in_array($row["id"], $users)) {
array_unshift($users, $row["id"]);
}
else if (!in_array($row["id"], $users)) {
$users[] = $row["id"];
}
}
}
else {
// Check each query argument for matching users
foreach ($name as $n) {
// Get users from argument
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname = :n OR lastname = :n");
$stmt->bindParam(":n", $n);
$stmt->execute();
$result = $stmt->fetchAll();
// Store users with more than 1 matching arguments before others
foreach ($result as $row) {
if (in_array($row["id"], $tempusers)) {
if (!in_array($row["id"], $users)) {
if (in_array($row["id"], $contacts)) {
array_unshift($users, $row["id"]);
}
else {
$users[] = $row["id"];
}
}
}
else {
$tempusers[] = $row["id"];
}
}
}
// Add users with only 1 matching argument
foreach ($tempusers as $u) {
if (!in_array($u, $users)) {
$users[] = $u;
}
}
// Get partial matches for each query argument
foreach ($name as $n) {
$ln = "%" . $n . "%";
$stmt = $conn->prepare("SELECT * FROM users WHERE firstname LIKE :n OR lastname LIKE :n");
$stmt->bindParam(":n", $ln);
$stmt->execute();
$result = $stmt->fetchAll();
// Store users with more than 1 partially matching arguments before others
foreach ($result as $row) {
if (in_array($row["id"], $tempusers)) {
if (!in_array($row["id"], $users)) {
if (in_array($row["id"], $contacts)) {
array_unshift($users, $row["id"]);
}
else {
$users[] = $row["id"];
}
}
}
else {
$tempusers[] = $row["id"];
}
}
}
// Add users with only 1 partially matching argument
foreach ($tempusers as $u) {
if (!in_array($u, $users)) {
$users[] = $u;
}
}
}
// Return found users
return $users;
}
function echoUser($result)
{
$name = $result["firstname"] . " " . $result["lastname"];
echo("<a id=\"user\" href=\"user.php?id=" . $result["username"] . "\">" . $name . "</a><br>");
}
?>