feat: simplify caching — TanStack Query as single source of truth (#6075)

packages/request-handler/src/lib/integration-request-handler.ts

@@ -0,0 +1,30 @@
+import type { Modify } from "@homarr/common/types";
+import type { Integration, IntegrationSecret } from "@homarr/db/schema";
+import type { IntegrationKind } from "@homarr/definitions";
+
+import { createRequestHandler } from "./request-handler";
+
+type IntegrationOfKind<TKind extends IntegrationKind> = Omit<Integration, "kind"> & {
+  kind: TKind;
+  decryptedSecrets: Modify<Pick<IntegrationSecret, "kind" | "value">, { value: string }>[];
+  externalUrl: string | null;
+};
+
+interface Options<TData, TKind extends IntegrationKind, TInput extends Record<string, unknown>> {
+  requestAsync: (integration: IntegrationOfKind<TKind>, input: TInput) => Promise<TData>;
+}
+
+export const createIntegrationRequestHandler = <
+  TData,
+  TKind extends IntegrationKind,
+  TInput extends Record<string, unknown>,
+>(
+  options: Options<TData, TKind, TInput>,
+) => ({
+  handler: (integration: IntegrationOfKind<TKind>, itemOptions: TInput) => {
+    const inner = createRequestHandler<TData, { integrationId: string; options: TInput }>({
+      requestAsync: async (input) => options.requestAsync(integration, input.options),
+    });
+    return inner.handler({ integrationId: integration.id, options: itemOptions });
+  },
+});