19 lines
746 B
TypeScript
19 lines
746 B
TypeScript
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/** همتراز با CustomerPresenceService::ONLINE_THRESHOLD_SECONDS روی سرور */
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export const CUSTOMER_ONLINE_THRESHOLD_MS = 2 * 60 * 1000
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export type CustomerPresenceKind = 'online' | 'offline' | 'never'
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export function getCustomerPresenceKind(
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lastSeenAt: string | Date | null | undefined
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): CustomerPresenceKind {
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if (!lastSeenAt) return 'never'
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const t = lastSeenAt instanceof Date ? lastSeenAt.getTime() : new Date(lastSeenAt).getTime()
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if (!Number.isFinite(t)) return 'never'
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if (Date.now() - t < CUSTOMER_ONLINE_THRESHOLD_MS) return 'online'
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return 'offline'
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}
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export function isCustomerOnline(lastSeenAt: string | Date | null | undefined): boolean {
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return getCustomerPresenceKind(lastSeenAt) === 'online'
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}
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