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feat: add pause for log watcher when tab not visible

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This commit is contained in:
divocat
2025-10-18 23:06:07 +03:00
parent 213b4603b7
commit 13f15dcf11
2 changed files with 69 additions and 16 deletions
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46
fe-app-podkop/src/podkop/services/podkopLogWatcher.service.ts
View File

@@ -15,8 +15,16 @@ export class PodkopLogWatcher {
private lastLines = new Set<string>();
private timer?: ReturnType<typeof setInterval>;
private running = false;
private paused = false;
private constructor() {}
private constructor() {
if (typeof document !== 'undefined') {
document.addEventListener('visibilitychange', () => {
if (document.hidden) this.pause();
else this.resume();
});
}
}
static getInstance(): PodkopLogWatcher {
if (!PodkopLogWatcher.instance) {
@@ -29,6 +37,10 @@ export class PodkopLogWatcher {
this.fetcher = fetcher;
this.onNewLog = options?.onNewLog;
this.intervalMs = options?.intervalMs ?? 5000;
logger.info(
'[PodkopLogWatcher]',
`initialized (interval: ${this.intervalMs}ms)`,
);
}
async checkOnce(): Promise<void> {
@@ -37,6 +49,11 @@ export class PodkopLogWatcher {
return;
}
if (this.paused) {
logger.debug('[PodkopLogWatcher]', 'skipped check — tab not visible');
return;
}
try {
const raw = await this.fetcher();
const lines = raw.split('\n').filter(Boolean);
@@ -44,10 +61,7 @@ export class PodkopLogWatcher {
for (const line of lines) {
if (!this.lastLines.has(line)) {
this.lastLines.add(line);
if (this.onNewLog) {
this.onNewLog(line);
}
this.onNewLog?.(line);
}
}
@@ -63,14 +77,15 @@ export class PodkopLogWatcher {
start(): void {
if (this.running) return;
if (!this.fetcher) {
logger.warn('[PodkopLogWatcher]', 'Try to start without fetcher.');
logger.warn('[PodkopLogWatcher]', 'attempted to start without fetcher');
return;
}
this.running = true;
this.timer = setInterval(() => this.checkOnce(), this.intervalMs);
logger.info(
`[PodkopLogWatcher]', 'Started with interval ${this.intervalMs} ms`,
'[PodkopLogWatcher]',
`started (interval: ${this.intervalMs}ms)`,
);
}
@@ -78,11 +93,24 @@ export class PodkopLogWatcher {
if (!this.running) return;
this.running = false;
if (this.timer) clearInterval(this.timer);
logger.info('[PodkopLogWatcher]', 'Stopped');
logger.info('[PodkopLogWatcher]', 'stopped');
}
pause(): void {
if (!this.running || this.paused) return;
this.paused = true;
logger.info('[PodkopLogWatcher]', 'paused (tab not visible)');
}
resume(): void {
if (!this.running || !this.paused) return;
this.paused = false;
logger.info('[PodkopLogWatcher]', 'resumed (tab active)');
this.checkOnce(); // сразу проверить, не появились ли новые логи
}
reset(): void {
this.lastLines.clear();
logger.info('[PodkopLogWatcher]', 'logs history was reset');
logger.info('[PodkopLogWatcher]', 'log history reset');
}
}

39
luci-app-podkop/htdocs/luci-static/resources/view/podkop/main.js
View File

@@ -1240,6 +1240,13 @@ var PodkopLogWatcher = class _PodkopLogWatcher {
this.intervalMs = 5e3;
this.lastLines = /* @__PURE__ */ new Set();
this.running = false;
this.paused = false;
if (typeof document !== "undefined") {
document.addEventListener("visibilitychange", () => {
if (document.hidden) this.pause();
else this.resume();
});
}
}
static getInstance() {
if (!_PodkopLogWatcher.instance) {
@@ -1251,21 +1258,27 @@ var PodkopLogWatcher = class _PodkopLogWatcher {
this.fetcher = fetcher;
this.onNewLog = options?.onNewLog;
this.intervalMs = options?.intervalMs ?? 5e3;
logger.info(
"[PodkopLogWatcher]",
`initialized (interval: ${this.intervalMs}ms)`
);
}
async checkOnce() {
if (!this.fetcher) {
logger.warn("[PodkopLogWatcher]", "fetcher not found");
return;
}
if (this.paused) {
logger.debug("[PodkopLogWatcher]", "skipped check \u2014 tab not visible");
return;
}
try {
const raw = await this.fetcher();
const lines = raw.split("\n").filter(Boolean);
for (const line of lines) {
if (!this.lastLines.has(line)) {
this.lastLines.add(line);
if (this.onNewLog) {
this.onNewLog(line);
}
this.onNewLog?.(line);
}
}
if (this.lastLines.size > 500) {
@@ -1279,24 +1292,36 @@ var PodkopLogWatcher = class _PodkopLogWatcher {
start() {
if (this.running) return;
if (!this.fetcher) {
logger.warn("[PodkopLogWatcher]", "Try to start without fetcher.");
logger.warn("[PodkopLogWatcher]", "attempted to start without fetcher");
return;
}
this.running = true;
this.timer = setInterval(() => this.checkOnce(), this.intervalMs);
logger.info(
`[PodkopLogWatcher]', 'Started with interval ${this.intervalMs} ms`
"[PodkopLogWatcher]",
`started (interval: ${this.intervalMs}ms)`
);
}
stop() {
if (!this.running) return;
this.running = false;
if (this.timer) clearInterval(this.timer);
logger.info("[PodkopLogWatcher]", "Stopped");
logger.info("[PodkopLogWatcher]", "stopped");
}
pause() {
if (!this.running || this.paused) return;
this.paused = true;
logger.info("[PodkopLogWatcher]", "paused (tab not visible)");
}
resume() {
if (!this.running || !this.paused) return;
this.paused = false;
logger.info("[PodkopLogWatcher]", "resumed (tab active)");
this.checkOnce();
}
reset() {
this.lastLines.clear();
logger.info("[PodkopLogWatcher]", "logs history was reset");
logger.info("[PodkopLogWatcher]", "log history reset");
}
};