fix: use subscription for user search
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Release to Staging / build_and_release (push) Successful in 38s
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@ -4,11 +4,11 @@ import {
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NDKKind,
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NDKSubscriptionCacheUsage,
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NDKUserProfile,
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NostrEvent,
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profileFromEvent
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} from '@nostr-dev-kit/ndk'
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import { ErrorBoundary } from 'components/ErrorBoundary'
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import { GameCard } from 'components/GameCard'
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import { LoadingSpinner } from 'components/LoadingSpinner'
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import { ModCard } from 'components/ModCard'
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import { ModFilter } from 'components/ModsFilter'
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import { Pagination } from 'components/Pagination'
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@ -35,10 +35,7 @@ import {
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DEFAULT_FILTER_OPTIONS,
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extractModData,
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isModDataComplete,
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log,
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LogType,
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scrollIntoView,
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timeout
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scrollIntoView
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} from 'utils'
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enum SearchKindEnum {
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@ -364,48 +361,70 @@ const UsersResult = ({
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moderationFilter,
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muteLists
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}: UsersResultProps) => {
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const { fetchEvents } = useNDKContext()
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const [isFetching, setIsFetching] = useState(false)
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const { ndk } = useNDKContext()
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const [profiles, setProfiles] = useState<NDKUserProfile[]>([])
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const userState = useAppSelector((state) => state.user)
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useEffect(() => {
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if (searchTerm === '') {
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setProfiles([])
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} else {
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const fetchProfiles = async () => {
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setIsFetching(true)
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const filter: NDKFilter = {
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const sub = ndk.subscribe(
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{
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kinds: [NDKKind.Metadata],
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search: searchTerm
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},
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{
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closeOnEose: true,
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cacheUsage: NDKSubscriptionCacheUsage.PARALLEL
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},
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undefined,
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false
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)
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// Stop the sub after 10 seconds if we are still searching the same term as before
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window.setTimeout(() => {
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if (sub.filter.search === searchTerm) {
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sub.stop()
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}
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}, 10000)
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const profiles = await Promise.race([
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fetchEvents(filter),
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timeout(10 * 1000)
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])
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.then((events) => {
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const results = events.map((event) => {
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const ndkEvent = new NDKEvent(undefined, event)
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const profile = profileFromEvent(ndkEvent)
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return profile
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})
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return results
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})
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.catch((err) => {
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log(true, LogType.Error, 'An error occurred in fetching users', err)
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return []
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})
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const onEvent = (event: NostrEvent | NDKEvent) => {
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if (!(event instanceof NDKEvent)) event = new NDKEvent(undefined, event)
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const dedupKey = event.deduplicationKey()
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const existingEvent = events.get(dedupKey)
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if (existingEvent) {
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event = dedup(existingEvent, event)
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}
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event.ndk = this
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events.set(dedupKey, event)
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// We can't rely on the 'eose' to arrive
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// Instead we repeat and sort results on each event
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const ndkEvents = Array.from(events.values())
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const profiles: NDKUserProfile[] = []
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ndkEvents.forEach((event) => {
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try {
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const profile = profileFromEvent(event)
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profiles.push(profile)
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} catch (error) {
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// If we are unable to parse silently skip over the errors
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}
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})
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setProfiles(profiles)
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setIsFetching(false)
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}
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fetchProfiles()
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// Clear previous results
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const events = new Map<string, NDKEvent>()
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// Bind handler and start the sub
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sub.on('event', onEvent)
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sub.start()
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return () => {
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sub.stop()
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}
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}
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}, [fetchEvents, searchTerm])
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}, [ndk, searchTerm])
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const filteredProfiles = useMemo(() => {
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let filtered = [...profiles]
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@ -430,7 +449,6 @@ const UsersResult = ({
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}, [userState.user?.npub, moderationFilter, profiles, muteLists])
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return (
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<>
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{isFetching && <LoadingSpinner desc='Fetching Profiles' />}
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<div className='IBMSecMain IBMSMListWrapper'>
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<div className='IBMSMList'>
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{filteredProfiles.map((profile) => {
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@ -505,3 +523,11 @@ const GamesResult = ({ searchTerm }: GamesResultProps) => {
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</>
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)
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}
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function dedup(event1: NDKEvent, event2: NDKEvent) {
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// return the newest of the two
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if (event1.created_at! > event2.created_at!) {
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return event1
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}
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return event2
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}
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