25 lines
837 B
TypeScript
25 lines
837 B
TypeScript
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import { collection, query, where } from 'firebase/firestore'
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import { Notification } from 'common/notification'
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import { db } from 'web/lib/firebase/init'
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import { getValues, listenForValues } from 'web/lib/firebase/utils'
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function getNotificationsQuery(userId: string, unseenOnly?: boolean) {
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const notifsCollection = collection(db, `/users/${userId}/notifications`)
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if (unseenOnly) return query(notifsCollection, where('isSeen', '==', false))
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return query(notifsCollection)
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}
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export function listenForNotifications(
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userId: string,
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setNotifications: (notifs: Notification[]) => void,
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unseenOnly?: boolean
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) {
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return listenForValues<Notification>(
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getNotificationsQuery(userId, unseenOnly),
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(notifs) => {
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notifs.sort((n1, n2) => n2.createdTime - n1.createdTime)
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setNotifications(notifs)
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}
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)
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}
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