+ /**
+ * Check if the current user has a permission or bypass if the provided user
+ * id matches the current user.
+ * @param string $permissionName
+ * @param int $userId
+ * @return bool
+ */
+ protected function checkPermissionOrCurrentUser(string $permissionName, int $userId)
+ {
+ return $this->checkPermissionOr($permissionName, function () use ($userId) {
+ return $userId === $this->currentUser->id;
+ });
+ }
+
+ /**
+ * Send back a json error message.
+ * @param string $messageText
+ * @param int $statusCode
+ * @return mixed
+ */
+ protected function jsonError($messageText = "", $statusCode = 500)
+ {
+ return response()->json(['message' => $messageText], $statusCode);
+ }
+
+ /**
+ * Create the response for when a request fails validation.
+ * @param \Illuminate\Http\Request $request
+ * @param array $errors
+ * @return \Symfony\Component\HttpFoundation\Response
+ */
+ protected function buildFailedValidationResponse(Request $request, array $errors)
+ {
+ if ($request->expectsJson()) {
+ return response()->json(['validation' => $errors], 422);
+ }
+
+ return redirect()->to($this->getRedirectUrl())
+ ->withInput($request->input())
+ ->withErrors($errors, $this->errorBag());
+ }
+
+ /**
+ * Create a response that forces a download in the browser.
+ * @param string $content
+ * @param string $fileName
+ * @return \Illuminate\Http\Response
+ */
+ protected function downloadResponse(string $content, string $fileName)
+ {
+ return response()->make($content, 200, [
+ 'Content-Type' => 'application/octet-stream',
+ 'Content-Disposition' => 'attachment; filename="' . $fileName . '"'
+ ]);
+ }