Added edit and delete pages

Author: ketrab2004

app/controllers/Countries.php

@@ -1,9 +1,15 @@
 <?php
-class Countries extends Controller {
-    public function index()
+class Countries extends Controller
+{
+    protected $countryModel;
+
+    public function __construct()
     {
         $this->countryModel = $this->model('Country');
+    }
 
+    public function index()
+    {
         $data = $this->countryModel->getCountries();
 
         for($i = 0; $i < count($data); $i++) {
@@ -13,8 +19,49 @@ public function index()
         }
 
         $this->view('countries/index', [
-            'title' => 'Home page',
+            'title' => 'Country page',
             'countries' => $data
         ]);
     }
+
+    public function edit()
+    {
+        $id = $_GET["id"];
+
+        if (!isset($id)) {
+            header('Location: ../countries');
+        }
+
+        $this->view('countries/edit', [
+            'title' => 'Edit Country page',
+            'continents' => $this->countryModel->getContinents(),
+            'country' => $this->countryModel->getCountry($id)
+        ]);
+    }
+
+    public function applyChanges()
+    {
+        $this->countryModel->editCountry(
+            intval($_POST["id"]),
+            $_POST["name"],
+            $_POST["capitalCity"],
+            $_POST["continent"],
+            intval($_POST["population"])
+        );
+
+        header('Location: ../countries');
+    }
+
+    public function delete()
+    {
+        $id = $_GET["id"];
+
+        if (!isset($id)) {
+            header('Location: ../countries');
+        }
+
+        $this->countryModel->deleteCountry($id);
+
+        header('Location: ../countries');
+    }
 }