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quarantine.service.ts
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quarantine.service.ts
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import { SurveyQuarantineConfig } from './survey-quarantine-config.interface';
export class QuarantineService {
private static quarantineStartKey = 'hcSDK.SurveyQuarantineStart';
private static daysToMillisecondsMultiplier = 24 * 60 * 60 * 1000;
constructor(
private surveyIdentifier: string,
private quarantineConfig?: SurveyQuarantineConfig
) {}
isUnderQuarantine(): boolean {
// verify quarantine only when its config is provided
if (this.quarantineConfig) {
const quarantineStartData = this.getQuarantineStartData();
const quarantineStart = quarantineStartData
? parseInt(quarantineStartData)
: null;
return (
!!quarantineStart &&
quarantineStart +
this.quarantineConfig.period *
QuarantineService.daysToMillisecondsMultiplier >
Date.now()
);
}
// no config - quarantine inactive
return false;
}
startQuarantine(): void {
if (this.quarantineConfig) {
this.setQuarantineStartData(Date.now().toString());
}
}
private getQuarantineStartData(): string | null {
return localStorage.getItem(
`${QuarantineService.quarantineStartKey}:${this.surveyIdentifier}`
);
}
private setQuarantineStartData(data: string): void {
localStorage.setItem(
`${QuarantineService.quarantineStartKey}:${this.surveyIdentifier}`,
data
);
}
}