forked from coracle/flotilla
Jon Staab
86 lines
2.7 KiB
TypeScript
86 lines
2.7 KiB
TypeScript
import {writable, derived} from "svelte/store"
|
|
import {page} from "$app/stores"
|
|
import {deriveEvents} from "@welshman/store"
|
|
import {repository, pubkey} from "@welshman/app"
|
|
import {prop, max, sortBy, assoc, lt, now} from "@welshman/lib"
|
|
import type {Filter, TrustedEvent} from "@welshman/util"
|
|
import {DIRECT_MESSAGE} from "@welshman/util"
|
|
import {makeSpacePath} from "@app/routes"
|
|
import {
|
|
MESSAGE,
|
|
THREAD,
|
|
COMMENT,
|
|
deriveEventsForUrl,
|
|
getMembershipUrls,
|
|
userMembership,
|
|
} from "@app/state"
|
|
|
|
// Checked state
|
|
|
|
export const checked = writable<Record<string, number>>({})
|
|
|
|
export const deriveChecked = (key: string) => derived(checked, prop(key))
|
|
|
|
export const setChecked = (key: string, ts = now()) =>
|
|
checked.update(state => ({...state, [key]: ts}))
|
|
|
|
// Filters for various routes
|
|
|
|
export const CHAT_FILTERS: Filter[] = [{kinds: [DIRECT_MESSAGE]}]
|
|
|
|
export const SPACE_FILTERS: Filter[] = [{kinds: [THREAD, MESSAGE, COMMENT]}]
|
|
|
|
export const ROOM_FILTERS: Filter[] = [{kinds: [MESSAGE]}]
|
|
|
|
export const THREAD_FILTERS: Filter[] = [
|
|
{kinds: [THREAD]},
|
|
{kinds: [COMMENT], "#K": [String(THREAD)]},
|
|
]
|
|
|
|
export const getNotificationFilters = (since: number): Filter[] =>
|
|
[...CHAT_FILTERS, ...SPACE_FILTERS, ...THREAD_FILTERS].map(assoc("since", since))
|
|
|
|
export const getRoomFilters = (room: string): Filter[] => ROOM_FILTERS.map(assoc("#h", [room]))
|
|
|
|
// Notification derivation
|
|
|
|
export const getNotification = (
|
|
pubkey: string | null,
|
|
lastChecked: number,
|
|
events: TrustedEvent[],
|
|
) => {
|
|
const [latestEvent] = sortBy($e => -$e.created_at, events)
|
|
|
|
return latestEvent?.pubkey !== pubkey && lt(lastChecked, latestEvent?.created_at)
|
|
}
|
|
|
|
export const deriveNotification = (path: string, filters: Filter[], url?: string) => {
|
|
const events = url ? deriveEventsForUrl(url, filters) : deriveEvents(repository, {filters})
|
|
|
|
return derived(
|
|
[pubkey, deriveChecked("*"), deriveChecked(path), events],
|
|
([$pubkey, $allChecked, $checked, $events]) => {
|
|
return getNotification($pubkey, max([$allChecked, $checked]), $events)
|
|
},
|
|
)
|
|
}
|
|
|
|
export const spacesNotifications = derived(
|
|
[pubkey, checked, userMembership, deriveEvents(repository, {filters: SPACE_FILTERS})],
|
|
([$pubkey, $checked, $userMembership, $events]) => {
|
|
return getMembershipUrls($userMembership).filter(url => {
|
|
const path = makeSpacePath(url)
|
|
const lastChecked = max([$checked["*"], $checked[path]])
|
|
const [latestEvent] = sortBy($e => -$e.created_at, $events)
|
|
|
|
return latestEvent?.pubkey !== $pubkey && lt(lastChecked, latestEvent?.created_at)
|
|
})
|
|
},
|
|
)
|
|
|
|
export const inactiveSpacesNotifications = derived(
|
|
[page, spacesNotifications],
|
|
([$page, $spacesNotifications]) =>
|
|
$spacesNotifications.filter(url => !$page.url.pathname.startsWith(makeSpacePath(url))),
|
|
)
|