+ /**
+ * 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 . '"'
+ ]);
+ }
+
+ /**
+ * Show a positive, successful notification to the user on next view load.
+ * @param string $message
+ */
+ protected function showSuccessNotification(string $message)
+ {
+ session()->flash('success', $message);
+ }
+
+ /**
+ * Show a warning notification to the user on next view load.
+ * @param string $message
+ */
+ protected function showWarningNotification(string $message)
+ {
+ session()->flash('warning', $message);
+ }
+
+ /**
+ * Show an error notification to the user on next view load.
+ * @param string $message
+ */
+ protected function showErrorNotification(string $message)
+ {
+ session()->flash('error', $message);
+ }
+
+ /**
+ * Get the validation rules for image files.
+ */
+ protected function getImageValidationRules(): string
+ {
+ return 'image_extension|no_double_extension|mimes:jpeg,png,gif,webp';
+ }