feat: add caching to survey sync (#2011)

apps/web/app/api/v1/client/[environmentId]/in-app/sync/route.ts

@@ -90,7 +90,11 @@ export async function GET(
       person: null,
     };
 
-    return responses.successResponse({ ...state }, true);
+    return responses.successResponse(
+      { ...state },
+      true,
+      "public, s-maxage=600, max-age=840, stale-while-revalidate=600, stale-if-error=600"
+    );
   } catch (error) {
     console.error(error);
     return responses.internalServerErrorResponse(`Unable to complete response: ${error.message}`, true);

apps/web/app/lib/api/response.ts

@@ -114,16 +114,22 @@ const unauthorizedResponse = (cors: boolean = false) =>
     }
   );
 
-const successResponse = (data: Object, cors: boolean = false) =>
-  NextResponse.json(
+const successResponse = (data: Object, cors: boolean = false, cache: string = "private, no-store") => {
+  const responseHeaders = {
+    ...(cors && corsHeaders),
+    "Cache-Control": cache,
+  };
+
+  return NextResponse.json(
     {
       data,
     } as ApiSuccessResponse<typeof data>,
     {
       status: 200,
-      ...(cors && { headers: corsHeaders }),
+      headers: responseHeaders,
     }
   );
+};
 
 const internalServerErrorResponse = (message: string, cors: boolean = false) =>
   NextResponse.json(