MAPG-10 refactor view-controller to be able to handle JSON response

src/View/HtmlView.php

@@ -0,0 +1,29 @@
+<?php namespace MapGuesser\View;
+
+class HtmlView extends ViewBase
+{
+    private string $template;
+
+    public function __construct(string $template, array &$data = [])
+    {
+        $this->template = $template;
+        $this->data = &$data;
+    }
+
+    public function &render(): string
+    {
+        extract($this->data);
+
+        ob_start();
+        require ROOT . '/views/' . $this->template . '.php';
+        $content = ob_get_contents();
+        ob_end_clean();
+
+        return $content;
+    }
+
+    public function getContentType(): string
+    {
+        return 'text/html';
+    }
+}

src/View/JsonView.php

@@ -0,0 +1,21 @@
+<?php namespace MapGuesser\View;
+
+class JsonView extends ViewBase
+{
+    public function __construct(array &$data = [])
+    {
+        $this->data = &$data;
+    }
+
+    public function &render(): string
+    {
+        $content = json_encode($this->data);
+
+        return $content;
+    }
+
+    public function getContentType(): string
+    {
+        return 'application/json';
+    }
+}

src/View/ViewBase.php

@@ -0,0 +1,15 @@
+<?php namespace MapGuesser\View;
+
+abstract class ViewBase
+{
+    protected array $data;
+
+    public function &getData(): array
+    {
+        return $this->data;
+    }
+
+    abstract public function &render(): string;
+
+    abstract public function getContentType(): string;
+}