Add janky ass alerts

example.php

@@ -6,6 +6,12 @@ require_once("app/common.php");
 // For more options and explanations, check the 'app/template.php' file
 $templateParameters["title"] = "Eksempel side";
 
+// Alerts which will be executed from the template
+$_SESSION['alert'][] = ['info', 'Eksempel!'];
+$_SESSION['alert'][] = ['success', 'Eksempel!'];
+$_SESSION['alert'][] = ['warning', 'Eksempel!'];
+$_SESSION['alert'][] = ['danger', 'Eksempel!'];
+
 // Include the top of page
 require_once("template/_header.php");
 ?>

login.php

@@ -6,11 +6,11 @@ if ((isset($_POST['username'])) && (isset($_POST['password']))) {
     if (($_POST['username'] === 'VG3') && ($_POST['password'] === '3ELDEA')) {
         $_SESSION['logged_in'] = TRUE;
         $_SESSION['username'] = $_POST['username'];
+        $_SESSION['alert'][] = ['info', 'Velkommen '.htmlspecialchars($_SESSION['username']).'!'];
         header("Location: index.php");
-        exit;
+        exit();
     } else {
-        $loginFormError = "Feil påloggingsinformasjon. Prøv igjen.";
+        $_SESSION['alert'][] = ['danger', 'Feil påloggingsinformasjon. Prøv igjen.'];
-        //$loginFormError = "Noe gikk visst galt, prøv igjen senere.";
     }
 }
 

template/_header.php

@@ -53,4 +53,35 @@ if ($templateParameters["render"] === FALSE) {
         </div>
 
         <div>
+            <?php
+            // is my implementation of alerts janky? maybe...
+            if ((isset($_SESSION['alert'])) && (count($_SESSION['alert']) > 0)) {
+                foreach ($_SESSION['alert'] as $alert) {
+                    switch ($alert[0]) {
+                        case 'success':
+                            $prefix = 'Suksess:';
+                            break;
+    
+                        case 'info':
+                            $prefix = 'Info:';
+                            break;
+    
+                        case 'warning':
+                            $prefix = 'Advarsel:';
+                            break;
+    
+                        case 'danger':
+                            $prefix = 'Error:';
+                            break;
+                        
+                        default:
+                            $alert[0] = 'danger';
+                            $prefix = 'Ukjent:';
+                            break;
+                    }
+                    echo('<div class="alert alert-'.$alert[0].'"><b>'.$prefix.'</b> '.$alert[1].'</div>');
+                }
+                $_SESSION['alert'] = [];
+            }
+            ?>
             <main>