+ protected function jsonError(string $messageText = '', int $statusCode = 500): JsonResponse
+ {
+ return response()->json(['message' => $messageText, 'status' => 'error'], $statusCode);
+ }
+
+ /**
+ * Create a response that forces a download in the browser.
+ */
+ protected function downloadResponse(string $content, string $fileName): Response
+ {
+ return response()->make($content, 200, [
+ 'Content-Type' => 'application/octet-stream',
+ 'Content-Disposition' => 'attachment; filename="' . $fileName . '"',
+ ]);
+ }
+
+ /**
+ * Create a file download response that provides the file with a content-type
+ * correct for the file, in a way so the browser can show the content in browser.
+ */
+ protected function inlineDownloadResponse(string $content, string $fileName): Response
+ {
+ $finfo = new finfo(FILEINFO_MIME_TYPE);
+ $mime = $finfo->buffer($content) ?: 'application/octet-stream';
+
+ return response()->make($content, 200, [
+ 'Content-Type' => $mime,
+ 'Content-Disposition' => 'inline; filename="' . $fileName . '"',
+ ]);
+ }
+
+ /**
+ * Show a positive, successful notification to the user on next view load.
+ */
+ protected function showSuccessNotification(string $message): void
+ {
+ session()->flash('success', $message);
+ }
+
+ /**
+ * Show a warning notification to the user on next view load.
+ */
+ protected function showWarningNotification(string $message): void