Finished first draft of the system.

html/index.php

@@ -7,14 +7,22 @@ ob_start();
 $url = $_SERVER['REQUEST_URI'];
 $url = preg_replace('/\?.+\=.+/m', '', $url);
 
-if ($url === '/') {
+if ($url === '/' && !isAuthorized()) {
     include __DIR__ . '/../templates/index.html.php';
-} elseif ($url === '/login' && $_SERVER['REQUEST_METHOD'] === "GET") {
+} elseif ($url === '/' && isAuthorized()) {
+    header('Location: /dashboard');
+} elseif ($url === '/login' && $_SERVER['REQUEST_METHOD'] === "GET" && !isAuthorized()) {
     include __DIR__ . '/../templates/login.html.php';
+} elseif ($url === '/login' && $_SERVER['REQUEST_METHOD'] === "GET" && isAuthorized()) {
+    header('Location: /dashboard');
 } elseif ($url === '/login' && $_SERVER['REQUEST_METHOD'] === "POST") {
     include __DIR__ . '/../php/login.php';
+} elseif ($url === '/update' && $_SERVER['REQUEST_METHOD'] === "POST" && isAuthorized()) {
+    include __DIR__ . '/../php/update.php';
 } elseif ($url === '/dashboard' && isAuthorized()) {
     include __DIR__ . '/../templates/dashboard.html.php';
+} elseif ($url === '/logout') {
+    include __DIR__ . '/../php/logout.php';
 }
 
 $output = ob_get_clean();

php/auth.php

@@ -4,7 +4,7 @@ session_start();
 
 function isAuthorized() {
   
-  require 'conn.php';
+  require __DIR__ . '/conn.php';
 
   $result = $conn->query("SELECT * FROM docenten WHERE username = '" . $_SESSION["username"] . "' AND password = '" . $_SESSION["password"] . "'");
 

php/dashboard.php

@@ -7,3 +7,11 @@ require 'conn.php';
 $result = $conn->query("SELECT * FROM docenten WHERE username = '" . $_SESSION['username'] . "';");
 
 $docent = $result->fetch_assoc();
+
+if (isset($_GET['date'])) {
+  $date = date("Y-m-d", strtotime($_GET['date']));
+} else {
+  $date = date("Y-m-d"); // Create date in mysql DATE format.
+}
+
+$rooster = $conn->query("SELECT * FROM rooster WHERE docent = " . $docent['id'] . " AND dag = DATE('" . $date . "')")->fetch_assoc();

php/logout.php

@@ -0,0 +1,7 @@
+<?php
+
+session_start();
+
+session_destroy();
+
+header('Location: /');

php/update.php

@@ -0,0 +1,15 @@
+<?php
+
+if (isset($_POST["opmerking"]) && isset($_POST["locatie"]) && isset($_GET["date"]) && isset($_GET['docent'])) {
+  require 'conn.php';
+
+  $result = $conn->query("SELECT * FROM rooster WHERE dag = DATE('" . $_GET["date"] . "') AND docent = " . $_GET['docent'] .";");
+
+  if ($result->num_rows === 0) {
+    $conn->query("INSERT INTO rooster (dag, docent, opmerking, locatie) VALUES (DATE('" . $_GET['date'] . "'), " . $_GET['docent'] . ", '" . $_POST['opmerking'] . "', " . $_POST['locatie'] . ");");
+  } else {
+    $conn->query("UPDATE rooster SET opmerking = '" . $_POST["opmerking"] . "', locatie = " . $_POST["locatie"] . " WHERE docent = " . $_GET['docent'] . " AND dag = DATE('" . $_GET['date'] . "');");
+  }
+}
+
+header('Location: /dashboard');

templates/dashboard.html.php

@@ -1,2 +1,19 @@
 <?php require __DIR__ . '/../php/dashboard.php' ?>
 Welkom <?=$docent['naam']?>
+<h1>Gymrooster voor <?=date("D d M Y", strtotime($date))?></h1>
+<a href="/dashboard?date=<?=date("Y-m-d", strtotime("-1 day", strtotime($date)))?>">Dag eerder</a>
+<a href="/dashboard?date=<?=date("Y-m-d", strtotime("+1 day", strtotime($date)))?>">Dag later</a>
+
+<form action="update?date=<?=$date?>&docent=<?=$docent['id']?>" method="post">
+  <textarea name="opmerking" placeholder="Opmerkingen"><?=$rooster['opmerking']?></textarea><br>
+  <select name="locatie">
+  <?php if ($rooster['locatie'] === "1"): ?>
+    <option value="1">Binnen</option>
+    <option value="2">Buiten</option>
+  <?php else: ?>
+    <option value="2">Buiten</option>
+    <option value="1">Binnen</option>
+  <?php endif; ?>
+  </select><br>
+  <input type="submit" value="Verzenden">
+</form>

templates/layout.html.php

@@ -10,7 +10,11 @@
     <nav>
         <!-- Topnav -->
         <a href="/"><img src="/res/HLC.svg"></a>
+        <?php if (isAuthorized()): ?>
+            <a href="/logout">Log uit</a>
+        <?php else: ?>
             <a href="/login">Login</a>
+        <?php endif; ?>
     </nav>
 
     <main>

templates/login.html.php

@@ -1,4 +1,3 @@
-<!-- Login screen -->
 <div class="loginContainer">
     <form action="/login" method="post">
         <h1>Login</h1>