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收敛终端图表缓存状态

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This commit is contained in:
2569718930@qq.com
2026-06-16 04:57:26 +08:00
parent fbea6df175
commit 3bc8e73ab6
4 changed files with 219 additions and 83 deletions
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frontend/components/dashboard/scan-terminal/LiveTemperatureThresholdChart.tsx
+26 -57
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@@ -15,7 +15,6 @@ import { DASHBOARD_REFRESH_POLICY_MS } from "@/lib/refresh-policy";
import {
HOURLY_CACHE_TTL_MS,
_hourlyCache,
buildChartDomain,
buildFullDayChartData,
buildIntDegreeTicks,
@@ -33,8 +32,10 @@ import {
mergeRowObservationIntoHourly,
normObs,
prefersHighFrequencyRunwayResolution,
readCachedHourlyForInitialRow,
readCityDetailBatchDiagnostics,
readSessionCache,
readHourlyDetailSnapshot,
readHourlyDetailSnapshotAgeMs,
rememberHourlyDetailSnapshot,
selectCompactSecondaryTemp,
selectDisplayRunwayTemp,
@@ -530,30 +531,6 @@ function getInitialDetailLoadDelayMs({
return DEFERRED_DETAIL_LOAD_DELAY_MS + deferredWave * DEFERRED_DETAIL_LOAD_WAVE_STEP_MS;
}
function readCachedHourlyForInitialRow(
city: string,
preferredResolution: string,
): HourlyForecast {
const cityKey = String(city || "").toLowerCase().trim();
if (!cityKey) return null;
const resolutions = [
preferredResolution,
preferredResolution === "1m" ? "10m" : "1m",
].filter((value, index, list) => value && list.indexOf(value) === index);
for (const resolution of resolutions) {
const cacheKey = `${cityKey}:${resolution}`;
const memoryEntry = _hourlyCache.get(cacheKey);
if (memoryEntry?.data) return memoryEntry.data;
const sessionEntry = readSessionCache(cacheKey, { allowStale: true });
if (sessionEntry?.data) {
_hourlyCache.set(cacheKey, sessionEntry);
return sessionEntry.data;
}
}
return null;
}
type HourlyDetailFetchOptions = {
ignoreCache?: boolean;
bypassLocalCache?: boolean;
@@ -719,9 +696,10 @@ export function LiveTemperatureThresholdChart({
}));
}, []);
const markDetailDegraded = useCallback((options?: { showUserError?: boolean }) => {
if (options?.showUserError) {
setDetailError(isEn ? "Detail temporarily unavailable." : "详情暂不可用");
}
const detailErrorMessage = options?.showUserError
? (isEn ? "Detail temporarily unavailable." : "详情暂不可用")
: null;
setDetailError(detailErrorMessage);
setChartFreshness((prev) => ({
...prev,
detailErrorAtMs: Date.now(),
@@ -811,6 +789,14 @@ export function LiveTemperatureThresholdChart({
return () => clearInterval(id);
}, [row?.tz_offset_seconds]);
const commitHourlySnapshot = useCallback((buildNext: (previous: HourlyForecast) => HourlyForecast) => {
setHourly((prev) => {
const next = buildNext(prev);
rememberHourlyDetailSnapshot(city, targetResolution, next);
return next;
});
}, [city, targetResolution]);
const applySuccessfulHourlyDetail = useCallback((data: HourlyForecast, options?: { updateLiveTemp?: boolean }) => {
if (!data) return;
const loadedAtMs = Date.now();
@@ -822,9 +808,8 @@ export function LiveTemperatureThresholdChart({
const temp = getLiveTempFromHourly(dataWithCurrentRow);
if (temp !== null) setLiveTemp(temp);
}
setHourly((prev) => {
commitHourlySnapshot((prev) => {
const mergedHourly = mergeHourlyWithLiveObservations(dataWithCurrentRow, prev, latestRow);
rememberHourlyDetailSnapshot(city, targetResolution, mergedHourly);
return mergedHourly;
});
setDetailError(null);
@@ -839,7 +824,7 @@ export function LiveTemperatureThresholdChart({
? "network"
: prev.detailSource,
}));
}, [city, targetResolution, getLatestRowSnapshot]);
}, [commitHourlySnapshot, getLatestRowSnapshot]);
const runHourlyDetailFetch = useHourlyDetailFetcher({
city,
@@ -857,17 +842,13 @@ export function LiveTemperatureThresholdChart({
const rowSeed = seedHourlyForecastFromRow(row);
const temp = getLiveTempFromHourly(rowSeed);
if (temp !== null) setLiveTemp(temp);
setHourly((prev) => {
const mergedHourly = mergeRowObservationIntoHourly(prev ?? rowSeed, row);
rememberHourlyDetailSnapshot(city, targetResolution, mergedHourly);
return mergedHourly;
});
commitHourlySnapshot((prev) => mergeRowObservationIntoHourly(prev, row));
setChartFreshness((prev) => ({
...prev,
rowAppliedAtMs: now,
rowObservationTime: rowObservationTimeForFreshness(row),
}));
}, [city, currentRowObservationSignature, row, targetResolution]);
}, [city, currentRowObservationSignature, row, commitHourlySnapshot]);
useEffect(() => {
if (!city) {
@@ -875,17 +856,7 @@ export function LiveTemperatureThresholdChart({
return;
}
const cacheKey = `${city}:${targetResolution}`;
let cached = _hourlyCache.get(cacheKey);
let cachedSource: ChartDetailSource = cached ? "memory_cache" : "none";
if (!cached || Date.now() - Number(cached.ts || 0) >= HOURLY_CACHE_TTL_MS) {
const sessionEntry = readSessionCache(cacheKey, { allowStale: true });
if (sessionEntry) {
cached = sessionEntry;
cachedSource = "session_cache";
_hourlyCache.set(cacheKey, sessionEntry);
}
}
const cached = readHourlyDetailSnapshot(city, targetResolution, { allowStale: true });
const cacheAge = cached ? Date.now() - Number(cached.ts || 0) : Number.POSITIVE_INFINITY;
const hasFreshCache = cached && cacheAge >= 0 && cacheAge < HOURLY_CACHE_TTL_MS;
@@ -897,7 +868,7 @@ export function LiveTemperatureThresholdChart({
...prev,
detailResolvedAtMs: Number(cached.ts || Date.now()),
detailStatus: hasFreshCache ? "fresh" : "stale_cache",
detailSource: cachedSource,
detailSource: cached.source,
}));
}
@@ -925,7 +896,7 @@ export function LiveTemperatureThresholdChart({
}
if (!cached && !hasLoadedHourlyDetailRef.current) {
setHourly(seedHourlyForecastFromRow(getLatestRowSnapshot()));
commitHourlySnapshot((prev) => mergeRowObservationIntoHourly(prev, getLatestRowSnapshot()));
setShowingStaleDetail(false);
}
setIsHourlyLoading(true);
@@ -976,6 +947,7 @@ export function LiveTemperatureThresholdChart({
detailLoadReady,
detailRetryNonce,
getLatestRowSnapshot,
commitHourlySnapshot,
markDetailDegraded,
runHourlyDetailFetch,
]);
@@ -987,9 +959,8 @@ export function LiveTemperatureThresholdChart({
lastPatchAtRef.current = patchAppliedAtMs;
const tempValue = validNumber(latestPatch.changes.temp);
if (tempValue !== null) setLiveTemp(tempValue);
setHourly((prev) => {
commitHourlySnapshot((prev) => {
const mergedHourly = mergePatchIntoHourly(prev ?? seedHourlyForecastFromRow(getLatestRowSnapshot()), latestPatch);
rememberHourlyDetailSnapshot(city, targetResolution, mergedHourly);
return mergedHourly;
});
setChartFreshness((prev) => ({
@@ -1026,7 +997,7 @@ export function LiveTemperatureThresholdChart({
return () => {
cancelled = true;
};
}, [latestPatch, city, targetResolution, compact, isActive, isMaximized, getLatestRowSnapshot, runHourlyDetailFetch]);
}, [latestPatch, city, targetResolution, compact, isActive, isMaximized, getLatestRowSnapshot, commitHourlySnapshot, runHourlyDetailFetch]);
useEffect(() => {
if (!resyncVersion || !city) return;
@@ -1119,9 +1090,7 @@ export function LiveTemperatureThresholdChart({
const refreshForegroundFullDetail = () => {
const now = Date.now();
const cacheKey = `${city}:${targetResolution}`;
const cached = _hourlyCache.get(cacheKey);
const cacheAge = cached ? now - Number(cached.ts || 0) : Number.POSITIVE_INFINITY;
const cacheAge = readHourlyDetailSnapshotAgeMs(city, targetResolution);
if (
now - lastForegroundRefreshAtRef.current < FOREGROUND_FULL_DETAIL_REFRESH_DEDUP_MS ||
(cacheAge >= 0 && cacheAge < FOREGROUND_FULL_DETAIL_REFRESH_DEDUP_MS)