elk/composables/masto/notification.ts
2023-01-15 16:38:02 +08:00

70 lines
1.8 KiB
TypeScript

import type { WsEvents } from 'masto'
const notifications = reactive<Record<string, undefined | [Promise<WsEvents>, string[]]>>({})
export const useNotifications = () => {
const id = currentUser.value?.account.id
const { client, canStreaming } = $(useMasto())
async function clearNotifications() {
if (!id || !notifications[id])
return
const lastReadId = notifications[id]![1][0]
notifications[id]![1] = []
await client.v1.markers.create({
notifications: { lastReadId },
})
}
async function connect(): Promise<void> {
if (!isHydrated.value || !id || notifications[id] || !currentUser.value?.token)
return
await until($$(canStreaming)).toBe(true)
const stream = client.v1.stream.streamUser()
notifications[id] = [stream, []]
stream.then(s => s.on('notification', (n) => {
if (notifications[id])
notifications[id]![1].unshift(n.id)
}))
const position = await client.v1.markers.fetch({ timeline: ['notifications'] })
const paginator = client.v1.notifications.list({ limit: 30 })
do {
const result = await paginator.next()
if (!result.done && result.value.length) {
for (const notification of result.value) {
if (notification.id === position.notifications.lastReadId)
return
notifications[id]![1].push(notification.id)
}
}
else {
break
}
} while (true)
}
function disconnect(): void {
if (!id || !notifications[id])
return
notifications[id]![0].then(stream => stream.disconnect())
notifications[id] = undefined
}
watch(currentUser, disconnect)
onHydrated(() => {
connect()
})
return {
notifications: computed(() => id ? notifications[id]?.[1].length ?? 0 : 0),
disconnect,
clearNotifications,
}
}