feat(system): 添加固件版本名称缓存及云端获取功能

- 在 luxsinApi.ts 中实现固件版本名称的本地缓存机制，缓存时长为30分钟 - 新增读取和写入 localStorage 缓存的函数，避免频繁调用云端API - 实现 fetchFirmwareVersionName 函数，从云端获取固件版本名称并结合本地缓存使用 - 在 SystemPage.tsx 中优先从缓存读取固件版本名称，未命中时异步调用云端接口 - 增加加载状态展示，接口异常或无数据时用本地格式化版本名称兜底显示 - 避免因缓存无效或接口异常导致版本名称缺失，提升系统页固件版本显示的稳定性和体验
2026-09-09 14:14:27 +08:00
parent cf7a1ba664
commit 8d13847668
2 changed files with 144 additions and 4 deletions
@@ -645,6 +645,101 @@ export function buildLuxsinAudioUrl(resourcePath: string): string {
  return `https://api.luxsin.com.cn/audio/${path}`;
 }

+/**
+ * Firmware version-name cache. `getVerName` results are stable for a given
+ * model+version, so we cache them in `localStorage` for 30 minutes to avoid
+ * hitting the cloud API every time the SystemPage is opened.
+ */
+const VER_NAME_CACHE_PREFIX = "luxsin:verName:";
+const VER_NAME_CACHE_TTL_MS = 30 * 60 * 1000;
+
+function verNameCacheKey(model: string, version: string): string {
+  return `${VER_NAME_CACHE_PREFIX}${model}:${version}`;
+}
+
+/**
+ * Synchronously read a cached firmware version name for `model`+`version`.
+ * Returns `null` when there is no entry, it is malformed, or it has expired
+ * (expired entries are dropped so the next fetch refreshes them). Storage
+ * access is best-effort — any failure (private mode / quota) yields `null`.
+ */
+export function readCachedFirmwareVersionName(
+  model: string,
+  version: string | number,
+): string | null {
+  const m = String(model ?? "").trim();
+  const v = String(version ?? "").trim();
+  if (!m || !v) return null;
+  const key = verNameCacheKey(m, v);
+  try {
+    const raw = localStorage.getItem(key);
+    if (!raw) return null;
+    const parsed = JSON.parse(raw) as { verName?: unknown; ts?: unknown };
+    const verName = typeof parsed?.verName === "string" ? parsed.verName.trim() : "";
+    const ts = typeof parsed?.ts === "number" ? parsed.ts : 0;
+    if (!verName || !ts) return null;
+    if (Date.now() - ts > VER_NAME_CACHE_TTL_MS) {
+      localStorage.removeItem(key);
+      return null;
+    }
+    return verName;
+  } catch {
+    return null;
+  }
+}
+
+function writeCachedFirmwareVersionName(
+  model: string,
+  version: string,
+  verName: string,
+): void {
+  try {
+    localStorage.setItem(
+      verNameCacheKey(model, version),
+      JSON.stringify({ verName, ts: Date.now() }),
+    );
+  } catch {
+    /* storage unavailable (private mode / quota) — caching is best-effort */
+  }
+}
+
+/**
+ * Fetch the firmware display version name from the cloud catalog.
+ * `GET getVerName?model=<device>&version=<version>` → `{ code, msg, data: { verName } }`.
+ * Serves from the 30-minute `localStorage` cache when available; otherwise the
+ * protocol (http/https) follows the current page, matching the other
+ * `//api.luxsin.com.cn/audio` calls; dev goes through the Vite proxy to avoid
+ * Origin-based 403/CORS. Returns `null` when unavailable so callers can fall back.
+ */
+export async function fetchFirmwareVersionName(
+  model: string,
+  version: string | number,
+): Promise<string | null> {
+  const m = String(model ?? "").trim();
+  const v = String(version ?? "").trim();
+  if (!m || !v) return null;
+
+  // Serve from the browser cache within the TTL to avoid frequent requests.
+  const cached = readCachedFirmwareVersionName(m, v);
+  if (cached) return cached;
+
+  const query = `getVerName?model=${encodeURIComponent(m)}&version=${encodeURIComponent(v)}`;
+  const url = import.meta.env.DEV
+    ? `/luxsin-audio-api/${query}`
+    : `//api.luxsin.com.cn/audio/${query}`;
+  try {
+    const res = await fetch(url);
+    if (!res.ok) return null;
+    const json = (await res.json()) as { data?: { verName?: unknown } };
+    const verName = json?.data?.verName;
+    const result = typeof verName === "string" && verName.trim() ? verName.trim() : null;
+    if (result) writeCachedFirmwareVersionName(m, v, result);
+    return result;
+  } catch {
+    return null;
+  }
+}
+
 /** Fetches `getBrand`; body is custom Base64 text, decodes to JSON array of `{ id, name }`. */
 export async function fetchLuxsinAudioBrands(): Promise<LuxsinAudioBrand[]> {
  const res = await fetch(buildLuxsinAudioUrl("getBrand"));
@@ -9,11 +9,15 @@
   All list rows with options → navigate to /select page
   ============================================================ */
 import { useDevice } from "@/contexts/DeviceContext";
-import { ChevronLeft, ChevronRight } from "lucide-react";
+import { ChevronLeft, ChevronRight, Loader2 } from "lucide-react";
 import { useLocation } from "wouter";
-import { useEffect } from "react";
+import { useEffect, useState } from "react";
 import BottomNav from "@/components/BottomNav";
-import { formatFirmwareVersionDisplay } from "@/lib/luxsinApi";
+import {
+  fetchFirmwareVersionName,
+  formatFirmwareVersionDisplay,
+  readCachedFirmwareVersionName,
+} from "@/lib/luxsinApi";
 import { navigateToSelect } from "./SelectPage";
 import localeEn from "@/locales/data-en.json";
 import { DEFAULT_DEVICE_LANGUAGE, resolveDeviceLanguage, resolveLocalePack } from "@/locales/resolveLocale";
@@ -126,6 +130,41 @@ export default function SystemPage() {
    }
  }, [isConnected, api]);

+  // 固件版本名称：进入系统页时优先读浏览器缓存（30 分钟内命中则直接显示，
+  // 不再请求接口）；未命中才调用云端 getVerName 接口获取；接口异常/无数据时，
+  // 用本地版本名称计算兜底（本地兜底结果不写缓存）。
+  const [verName, setVerName] = useState<string | null>(null);
+  const [verNameLoading, setVerNameLoading] = useState(true);
+  useEffect(() => {
+    const model = ds?.device?.trim();
+    const version = ds?.version;
+    if (!model || version === undefined || String(version).trim() === "") {
+      setVerName(null);
+      setVerNameLoading(false);
+      return;
+    }
+    // 命中缓存：直接显示，不进入 loading，也不请求接口。
+    const cached = readCachedFirmwareVersionName(model, version);
+    if (cached) {
+      setVerName(cached);
+      setVerNameLoading(false);
+      return;
+    }
+    let cancelled = false;
+    setVerNameLoading(true);
+    fetchFirmwareVersionName(model, version)
+      .then((name) => {
+        // 接口异常/无数据：用本地版本名称计算兜底（该结果不缓存）。
+        if (!cancelled) setVerName(name ?? formatFirmwareVersionDisplay(version));
+      })
+      .finally(() => {
+        if (!cancelled) setVerNameLoading(false);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, [ds?.device, ds?.version]);
+
  const screenLightIdx = ds?.screenLight ?? 1;
  const buttonLightIdx = ds?.buttonLight ?? 1;
  const screenOffIdx = ds?.screenOff ?? 2;
@@ -212,7 +251,13 @@ export default function SystemPage() {
          </div>
          <div className="ios-list-row">
            <span className="flex-1 text-[16px] text-white">{ui.firmwareVersion}</span>
-            <span className="ios-row-value">{formatFirmwareVersionDisplay(ds?.version)}</span>
+            <span className="ios-row-value inline-flex items-center">
+              {verNameLoading ? (
+                <Loader2 size={15} className="animate-spin" />
+              ) : (
+                verName ?? "—"
+              )}
+            </span>
          </div>
          <div className="ios-list-row">
            <span className="flex-1 text-[16px] text-white">{ui.macAddress}</span>