added create and eedit note functionality (flawed)

Controller/WelcomeController.php

@@ -2,13 +2,11 @@
 
 namespace ppa\Controller;
 
-/**
- * Description of Welcome
- *
- * @author reich
- */
 class WelcomeController
 {
+    private $notesModel;
+    private $view;
+    
     public function setView(\ppa\Library\View $view)
     {
         $this->view = $view;
@@ -16,5 +14,36 @@ class WelcomeController
 
     function showWelcome() 
     {
+        if ($this->notesModel === null) {
+            $this->notesModel = new \ppa\Model\NotesModel();
+        }
+
+        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+            if ($_POST['action'] === 'create_note') {
+                $this->notesModel->createNote(
+                    $_POST['title'], 
+                    $_POST['content'], 
+                    $_SESSION['user_id']
+                );
+                exit();
+            }
+            else if ($_POST['action'] === 'update_note') {
+                $this->notesModel->editNote(
+                    $_POST['note_id'], 
+                    $_POST['title'], 
+                    $_POST['content'], 
+                    $_SESSION['user_id']
+                );
+                exit();
+            }
+            else if ($_POST['action'] === 'delete_note') {
+                $this->notesModel->deleteNote(
+                    $_POST['note_id'], 
+                    $_SESSION['user_id']
+                );
+                exit();
+            }
+            header('Location: ?controller=Notes&page=showNotes&do=showNotes');
+        }
     }
 }