implemented authcontroller logic

Controller/AuthController.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Blog\Controller;
+
+use Blog\Model\AuthModel;
+
+class AuthController
+{
+    protected $view;
+    private $db;
+    private $validData = array();
+    private $errors = array();
+    private $labels = array("name" => "Name", "email" => "E-Mail-Adresse",  "content" => "Nachricht");
+
+
+    public function __construct($view)
+    {
+        $this->db = new AuthModel();
+        $this->view = $view;
+    }
+
+    public function showAuthForm()
+    {
+        $this->view->setVars([
+            'labels' => $this->labels,
+            'validData' => $this->validData,
+            'errors' => $this->errors
+        ]);
+    }
+
+    public function showConfirmation()
+    {
+
+    }
+
+    public function validateForm(){
+        foreach ($this->labels as $index => $value) {
+            if (!isset($_POST[$index]) || empty($_POST[$index])) {
+                $this->errors[$index] = "Bitte " . $value . " angeben";
+            } else {
+                $this->validData[$index] = $_POST[$index];
+            }
+        }
+
+        if (count($this->errors) > 0) {
+            $this->view->setDoMethodName("showContactForm");
+            $this->showContactForm();
+        } else {
+            if ($this->db->writeContactData($this->validData)) {
+                $this->view->setDoMethodName("showConfirmation");
+                $this->showConfirmation();
+            }
+        }
+    }
+}