67 lines
2.0 KiB
TypeScript
67 lines
2.0 KiB
TypeScript
import { useEffect, useState } from 'react'
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import { listenForPrivateUser } from 'web/lib/firebase/users'
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import { notification_subscribe_types, PrivateUser } from 'common/user'
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import { Notification } from 'common/notification'
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import { listenForNotifications } from 'web/lib/firebase/notifications'
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export function useNotifications(
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userId: string | undefined,
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options: { unseenOnly: boolean }
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) {
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const { unseenOnly } = options
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const [privateUser, setPrivateUser] = useState<PrivateUser | null>(null)
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const [notifications, setNotifications] = useState<Notification[]>([])
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const [userAppropriateNotifications, setUserAppropriateNotifications] =
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useState<Notification[]>([])
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useEffect(() => {
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if (userId) listenForPrivateUser(userId, setPrivateUser)
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}, [userId])
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useEffect(() => {
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if (privateUser)
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return listenForNotifications(
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privateUser.id,
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setNotifications,
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unseenOnly
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)
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}, [privateUser])
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useEffect(() => {
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if (!privateUser) return
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const notificationsToShow = getAppropriateNotifications(
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notifications,
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privateUser.notificationPreferences
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)
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setUserAppropriateNotifications(notificationsToShow)
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}, [privateUser, notifications])
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return userAppropriateNotifications
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}
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const lessPriorityReasons = [
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'on_contract_with_users_comment',
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'on_contract_with_users_answer',
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'on_contract_with_users_shares_out',
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// Not sure if users will want to see these w/ less:
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// 'on_contract_with_users_shares_in',
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]
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function getAppropriateNotifications(
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notifications: Notification[],
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notificationPreferences?: notification_subscribe_types
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) {
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if (notificationPreferences === 'all') return notifications
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if (notificationPreferences === 'less')
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return notifications.filter(
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(n) =>
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n.reason &&
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// Show all contract notifications
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(n.sourceType === 'contract' || !lessPriorityReasons.includes(n.reason))
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)
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if (notificationPreferences === 'none') return []
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return notifications
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}
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