Added ExceptionHandler Interface

1 files changed, 119 insertions, 0 deletions

diff --git a/src/Exceptions/BasicHandler.php b/src/Exceptions/BasicHandler.php
new file mode 100644
index 00000000..2ba960a2
--- /dev/null
+++ b/src/Exceptions/BasicHandler.php
@@ -0,0 +1,119 @@
+<?php
+
+namespace Engelsystem\Exceptions;
+
+use ErrorException;
+use Throwable;
+
+class BasicHandler extends Handler
+{
+    /**
+     * Activate the error handler
+     */
+    public function register()
+    {
+        set_error_handler([$this, 'errorHandler']);
+        set_exception_handler([$this, 'exceptionHandler']);
+    }
+
+    /**
+     * @param int    $number
+     * @param string $message
+     * @param string $file
+     * @param int    $line
+     */
+    public function errorHandler($number, $message, $file, $line)
+    {
+        $exception = new ErrorException($message, 0, $number, $file, $line);
+        $this->exceptionHandler($exception);
+    }
+
+    /**
+     * @param Throwable $e
+     */
+    public function exceptionHandler($e)
+    {
+        $this->handle(
+            $e->getCode(),
+            get_class($e) . ': ' . $e->getMessage(),
+            $e->getFile(),
+            $e->getLine(),
+            ['exception' => $e]
+        );
+    }
+
+    /**
+     * @param int    $number
+     * @param string $string
+     * @param string $file
+     * @param int    $line
+     * @param array  $context
+     * @param array  $trace
+     */
+    protected function handle($number, $string, $file, $line, $context = [], $trace = [])
+    {
+        error_log(sprintf('Exception: Number: %s, String: %s, File: %s:%u, Context: %s',
+            $number,
+            $string,
+            $file,
+            $line,
+            json_encode($context)
+        ));
+
+        $file = $this->stripBasePath($file);
+
+        if ($this->environment == self::ENV_DEVELOPMENT) {
+            echo '<pre style="background-color:#333;color:#ccc;z-index:1000;position:fixed;bottom:1em;padding:1em;width:97%;max-height: 90%;overflow-y:auto;">';
+            echo sprintf('%s: (%s)' . PHP_EOL, ucfirst($type), $number);
+            var_export([
+                'string'     => $string,
+                'file'       => $file . ':' . $line,
+                'context'    => $context,
+                'stacktrace' => $this->formatStackTrace($trace),
+            ]);
+            echo '</pre>';
+            die();
+        }
+
+        echo 'An <del>un</del>expected error occurred, a team of untrained monkeys has been dispatched to deal with it.';
+        die();
+    }
+
+    /**
+     * @param array $stackTrace
+     * @return array
+     */
+    protected function formatStackTrace($stackTrace)
+    {
+        $return = [];
+
+        foreach ($stackTrace as $trace) {
+            $path = '';
+            $line = '';
+
+            if (isset($trace['file']) && isset($trace['line'])) {
+                $path = $this->stripBasePath($trace['file']);
+                $line = $trace['line'];
+            }
+
+            $functionName = $trace['function'];
+
+            $return[] = [
+                'file'        => $path . ':' . $line,
+                $functionName => $trace['args'],
+            ];
+        }
+
+        return $return;
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    protected function stripBasePath($path)
+    {
+        $basePath = realpath(__DIR__ . '/../..') . '/';
+        return str_replace($basePath, '', $path);
+    }
+}