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Modify the media/hazards module to only play alerts once
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mrkmntal 2026-04-10 15:02:23 -04:00
commit cd2cc65040
4 changed files with 61 additions and 55 deletions
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8
server/scripts/modules/hazards.mjs
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@ -1,7 +1,7 @@
// hourly forecast list
import STATUS from './status.mjs';
import { setAlertToneActive } from './media.mjs';
import { playAlertTone, stopAlertTone } from './media.mjs';
import { safeJson } from './utils/fetch.mjs';
import deriveHazards from './utils/derived-hazards.mjs';
import WeatherDisplay from './weatherdisplay.mjs';
@ -98,12 +98,14 @@ class Hazards extends WeatherDisplay {
}
}
this.alertSignature = getAlertSignature(this.data);
setAlertToneActive(this.data.length > 0);
const alertsChanged = previousSignature !== this.alertSignature;
if (alertsChanged) {
this.viewedAlerts.clear();
if (this.data.length > 0) {
playAlertTone();
postMessage({ type: 'current-weather-scroll', method: 'reload' });
} else {
stopAlertTone();
}
}
@ -129,7 +131,7 @@ class Hazards extends WeatherDisplay {
}
} catch (error) {
console.error(`Unexpected Active Alerts error: ${error.message}`);
setAlertToneActive(false);
stopAlertTone();
if (this.isEnabled) this.setStatus(STATUS.failed);
// return undefined to other subscribers
this.getDataCallback(undefined);