chore: add handler parent

app/handlers/_handler.ts

@@ -0,0 +1,42 @@
+// Reusable async handler for CRUD actions with toast and state management
+export type ToastFn = (params: { title: string; description: string; variant: 'default' | 'destructive' }) => void
+
+export interface HandleAsyncActionOptions<T extends any[], R> {
+  action: (...args: T) => Promise<R & { success: boolean }>
+  args?: T
+  toast: ToastFn
+  successMessage: string
+  errorMessage: string
+  onSuccess?: (result: R) => void
+  onError?: (error: unknown) => void
+  onFinally?: (isSuccess: boolean) => void
+}
+
+export async function handleAsyncAction<T extends any[], R>({
+  action,
+  args = [] as unknown as T,
+  toast,
+  successMessage,
+  errorMessage,
+  onSuccess,
+  onError,
+  onFinally,
+}: HandleAsyncActionOptions<T, R>) {
+  let isSuccess = false
+  try {
+    const result = await action(...args)
+    if (result.success) {
+      toast({ title: 'Berhasil', description: successMessage, variant: 'default' })
+      isSuccess = true
+      if (onSuccess) onSuccess(result)
+    } else {
+      toast({ title: 'Gagal', description: errorMessage, variant: 'destructive' })
+      if (onError) onError(result)
+    }
+  } catch (error) {
+    toast({ title: 'Gagal', description: errorMessage, variant: 'destructive' })
+    if (onError) onError(error)
+  } finally {
+    if (onFinally) onFinally(isSuccess)
+  }
+}