Avoid caching failed scan snapshots

2026-06-09 22:47:23 +08:00
parent bd88f717fb
commit 3a1b2dfd6d
5 changed files with 54 additions and 9 deletions
@@ -4,6 +4,8 @@ export type ProxyCachePolicy = {
  revalidateSeconds?: number;
 };

+const NO_STORE_CACHE_CONTROL = "no-store, max-age=0";
+
 export function isForceRefreshValue(value: string | null | undefined) {
  return String(value || "").trim().toLowerCase() === "true";
 }
@@ -15,7 +17,7 @@ export function buildForceRefreshProxyCachePolicy(
  if (isForceRefreshValue(forceRefresh)) {
    return {
      fetchMode: "no-store",
-      responseCacheControl: "no-store, max-age=0",
+      responseCacheControl: NO_STORE_CACHE_CONTROL,
    };
  }
  return {
@@ -35,7 +37,7 @@ export function buildCityDetailProxyCachePolicy(
  if (isForceRefreshValue(forceRefresh)) {
    return {
      fetchMode: "no-store",
-      responseCacheControl: "no-store, max-age=0",
+      responseCacheControl: NO_STORE_CACHE_CONTROL,
    };
  }
  return {
@@ -47,3 +49,18 @@ export function buildCityDetailProxyCachePolicy(
    revalidateSeconds,
  };
 }
+
+export function buildScanTerminalResponseCacheControl(
+  data: unknown,
+  readyCacheControl: string,
+) {
+  if (!data || typeof data !== "object") {
+    return NO_STORE_CACHE_CONTROL;
+  }
+  const payload = data as { stale?: unknown; status?: unknown };
+  const status = String(payload.status || "").trim().toLowerCase();
+  if (payload.stale === true || (status && status !== "ready")) {
+    return NO_STORE_CACHE_CONTROL;
+  }
+  return readyCacheControl;
+}