Complete Phase 1: MVC, DB migrations, Auth, RBAC, Security, and Views

app/Core/Response.php

@@ -0,0 +1,89 @@
+<?php
+
+namespace App\Core;
+
+class Response
+{
+    private int $statusCode = 200;
+    private array $headers = [];
+
+    /**
+     * Set the HTTP status code.
+     */
+    public function setStatusCode(int $code): self
+    {
+        $this->statusCode = $code;
+        return $this;
+    }
+
+    /**
+     * Get the HTTP status code.
+     */
+    public function getStatusCode(): int
+    {
+        return $this->statusCode;
+    }
+
+    /**
+     * Add a header.
+     */
+    public function header(string $name, string $value): self
+    {
+        $this->headers[$name] = $value;
+        return $this;
+    }
+
+    /**
+     * Set redirect path.
+     */
+    public function redirect(string $url): void
+    {
+        header("Location: " . $url);
+        exit;
+    }
+
+    /**
+     * Output JSON data.
+     */
+    public function json(mixed $data, int $code = 200): void
+    {
+        $this->setStatusCode($code);
+        $this->header('Content-Type', 'application/json; charset=utf-8');
+        
+        $this->sendHeaders();
+        http_response_code($this->statusCode);
+        
+        echo json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        exit;
+    }
+
+    /**
+     * Output raw HTML or string content.
+     */
+    public function html(string $content, int $code = 200): void
+    {
+        $this->setStatusCode($code);
+        if (!isset($this->headers['Content-Type'])) {
+            $this->header('Content-Type', 'text/html; charset=utf-8');
+        }
+
+        $this->sendHeaders();
+        http_response_code($this->statusCode);
+        
+        echo $content;
+    }
+
+    /**
+     * Send all buffered headers.
+     */
+    public function sendHeaders(): void
+    {
+        if (headers_sent()) {
+            return;
+        }
+
+        foreach ($this->headers as $name => $value) {
+            header("$name: $value");
+        }
+    }
+}