Add public/private pages #641 (#644)

* Add public/private pages #641

* Cleanup the form requests

app/Exceptions/PageNotFound.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Exceptions;
+
+use Exception;
+
+class PageNotFound extends AbstractHttpException
+{
+    private $exception;
+
+    public function __construct(Exception $exception)
+    {
+        $this->exception = $exception;
+        parent::__construct(
+            404,
+            $exception->getMessage()
+        );
+    }
+
+    /**
+     * Return the RFC 7807 error type (without the URL root)
+     */
+    public function getErrorType(): string
+    {
+        return 'not-found';
+    }
+
+    /**
+     * Get the detailed error string
+     */
+    public function getErrorDetails(): string
+    {
+        return $this->getMessage();
+    }
+
+    /**
+     * Return an array with the error details, merged with the RFC7807 response
+     */
+    public function getErrorMetadata(): array
+    {
+        return [];
+    }
+}