merge DeveloperExceptionPage into ExceptionHandler

Author: Machometec

lib/Exception/ExceptionHandlerMiddleware.php

@@ -13,6 +13,7 @@
 use DevNet\Web\Http\HttpContext;
 use DevNet\Web\Middleware\IMiddleware;
 use DevNet\Web\Middleware\RequestDelegate;
+use DevNet\Web\View\ViewManager;
 use Throwable;
 
 use function Devnet\System\await;
@@ -42,7 +43,7 @@ public function async_invoke(HttpContext $context, RequestDelegate $next): void
                 throw new $error;
             }
 
-            // Need to remove the previous headers and body of the response the send only the error report.
+            // must remove the previous headers and body of the response the send only the error report.
             $context->Response->Body->truncate(0);
             $headerNames = array_keys($context->Response->Headers->getAll());
             foreach ($headerNames as $name) {
@@ -58,10 +59,60 @@ public function async_invoke(HttpContext $context, RequestDelegate $next): void
                 return;
             }
 
-            // Handle the error exception as Http status code.
+            // Display the error exception page report.
+            $data = $this->parse($error);
+            $view = new ViewManager(__DIR__ . '/Views');
+            await($context->Response->writeAsync($view->render('ExceptionView', $data)));
+        }
+    }
+
+    public function parse(Throwable $error): array
+    {
+        $severities = [
+            E_ERROR             => 'Fatal Error',
+            E_WARNING           => 'Warning',
+            E_PARSE             => 'Parse Error',
+            E_NOTICE            => 'Notice',
+            E_CORE_ERROR        => 'Core Error',
+            E_CORE_WARNING      => 'Core Warning',
+            E_COMPILE_ERROR     => 'Compile Error',
+            E_COMPILE_WARNING   => 'Compile Warning',
+            E_USER_ERROR        => 'User Error',
+            E_USER_WARNING      => 'User Warning',
+            E_USER_NOTICE       => 'User Notice',
+            E_STRICT            => 'Strict Error',
+            E_RECOVERABLE_ERROR => 'Recoverable Error',
+            E_DEPRECATED        => 'Deprecated',
+            E_USER_DEPRECATED   => 'User Deprecated'
+        ];
+
+        $trace = $error->getTrace();
+        if ($error instanceof \ErrorException) {
+            $severity = $severities[$error->getSeverity()];
+        } else {
+            $severity = $severities[E_ERROR];
+        }
+
+        $firstFile = $trace[0]['file'] ?? null;
+
+        if ($error->getFile() == $firstFile) {
+            array_shift($trace);
+        }
+
+        if ($error->getCode() == 0) {
+            $code = '';
+        } else {
             $code = $error->getCode();
-            $code = $code >= 400 ? $code : 500;
-            $context->Response->setStatusCode($code);
         }
+
+        $data['error']   = $severity;
+        $data['message'] = $error->getMessage();
+        $data['class']   = get_class($error);
+        $data['code']    = $code;
+        $data['file']    = $error->getFile();
+        $data['line']    = $error->getLine();
+        $data['trace']   = $trace;
+
+        return $data;
     }
 }

lib/Exception/ExceptionPageMiddleware.php

@@ -14,7 +14,7 @@
 use DevNet\System\Dependency\IServiceProvider;
 use DevNet\System\Dependency\ServiceCollection;
 use DevNet\System\Runtime\LauncherProperties;
-use DevNet\Web\Exception\ExceptionPageMiddleware;
+use DevNet\Web\Exception\ExceptionHandlerMiddleware;
 use DevNet\Web\Http\HttpContext;
 use DevNet\Web\Http\HttpContextFactory;
 use DevNet\Web\Middleware\IApplicationBuilder;
@@ -37,7 +37,9 @@ public function __construct(IApplicationBuilder $AppBuilder)
 
     public function start(Closure $configure): void
     {
-        $this->appBuilder->use(new ExceptionPageMiddleware());
+        if ($this->appBuilder->Environment->isDevelopment()) {
+            $this->appBuilder->use(new ExceptionHandlerMiddleware());
+        }
 
         if (PHP_SAPI == 'cli') {
             $configure($this->appBuilder);