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feat: add peerlist iterator API and integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,50 +1,62 @@ | ||
| import { HMSRemotePeer } from './models/peer'; | ||
| import { IStore } from './store'; | ||
| import { HMSPeerUpdate, HMSUpdateListener } from '../interfaces'; | ||
| import { HMSPeerListIteratorOptions } from '../interfaces/peer-list-iterator'; | ||
| import { PeerNotificationInfo } from '../notification-manager'; | ||
| import { createRemotePeer } from '../notification-manager/managers/utils'; | ||
| import { PeersIterationResponse } from '../signal/interfaces'; | ||
| import ITransport from '../transport/ITransport'; | ||
|
|
||
| export class HMSPeerListIterator { | ||
| private isEnd = false; | ||
| private iteratorID: string | null = null; | ||
| private DEFAULT_LIMIT = 10; | ||
| constructor( | ||
| private transport: ITransport, | ||
| private store: IStore, | ||
| private listener?: HMSUpdateListener, | ||
| private options?: HMSPeerListIteratorOptions, | ||
| ) {} | ||
| private iterator: string | null = null; | ||
| private total = 0; | ||
| private defaultPaginationLimit = 10; | ||
| constructor(private transport: ITransport, private store: IStore, private options?: HMSPeerListIteratorOptions) {} | ||
|
|
||
| hasNext(): boolean { | ||
| return !this.isEnd; | ||
| } | ||
|
|
||
| getTotal(): number { | ||
| return this.total; | ||
| } | ||
|
|
||
| async findPeers() { | ||
| const response = await this.transport.findPeers({ | ||
| ...(this.options || {}), | ||
| limit: this.options?.limit || this.defaultPaginationLimit, | ||
| }); | ||
| this.updateState(response); | ||
| return this.processPeers(response.peers); | ||
| } | ||
|
|
||
| async next() { | ||
| let response: PeersIterationResponse; | ||
| if (!this.iteratorID) { | ||
| response = await this.transport.findPeer({ | ||
| ...(this.options || {}), | ||
| limit: this.options?.limit || this.DEFAULT_LIMIT, | ||
| }); | ||
| } else { | ||
| if (!this.iterator && !this.isEnd) { | ||
| return await this.findPeers(); | ||
| } else if (this.iterator) { | ||
| response = await this.transport.peerIterNext({ | ||
| iterator: this.iteratorID, | ||
| limit: this.options?.limit || this.DEFAULT_LIMIT, | ||
| iterator: this.iterator, | ||
| limit: this.options?.limit || this.defaultPaginationLimit, | ||
| }); | ||
| this.updateState(response); | ||
| return this.processPeers(response.peers); | ||
| } | ||
| this.isEnd = response.eof; | ||
| this.iteratorID = response.iterator; | ||
| return []; | ||
| } | ||
|
|
||
| private processPeers(peers: PeerNotificationInfo[]) { | ||
| const hmsPeers: HMSRemotePeer[] = []; | ||
| response.peers.forEach(peer => { | ||
| const storeHasPeer = this.store.getPeerById(peer.peer_id); | ||
| if (!storeHasPeer) { | ||
| const hmsPeer = createRemotePeer(peer, this.store); | ||
| hmsPeers.push(hmsPeer); | ||
| this.store.addPeer(hmsPeer); | ||
| } | ||
| peers.forEach(peer => { | ||
| const hmsPeer = createRemotePeer(peer, this.store); | ||
| hmsPeers.push(hmsPeer); | ||
| }); | ||
| this.listener?.onPeerUpdate(HMSPeerUpdate.PEER_ITERATOR_UPDATED, hmsPeers); | ||
| return hmsPeers; | ||
| } | ||
|
|
||
| private updateState(response: PeersIterationResponse) { | ||
| this.isEnd = response.eof; | ||
| this.total = response.total; | ||
| this.iterator = response.iterator; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| import { useRef, useState } from 'react'; | ||
| import { HMSPeer, HMSPeerListIteratorOptions } from '@100mslive/hms-video-store'; | ||
| import { useHMSActions } from '../primitives/HmsRoomProvider'; | ||
|
|
||
| export interface usePaginatedParticipantsResult { | ||
| /** | ||
| * call this function to load initial peers and also when you want to poll the peers information | ||
| */ | ||
| loadPeers: Promise<void>; | ||
| /** | ||
| * this function is to be called when loadPeers is called atleast once. This will fetch the next batch of peers | ||
| */ | ||
| loadMorePeers: Promise<void>; | ||
| // list of peers loaded | ||
| peers: HMSPeer[]; | ||
| // total number of peers matching the input options at the time of the request | ||
| total: number; | ||
| } | ||
|
|
||
| export type usePaginatedParticipantsInput = HMSPeerListIteratorOptions; | ||
|
|
||
| const processPeers = (peers: HMSPeer[]) => { | ||
| return peers.reduce<Record<string, HMSPeer>>((acc, peer) => { | ||
| acc[peer.id] = peer; | ||
| return acc; | ||
| }, {}); | ||
| }; | ||
|
|
||
| export const usePaginatedParticipants = (options: HMSPeerListIteratorOptions) => { | ||
| const actions = useHMSActions(); | ||
| const iterator = useRef(actions.getPeerListIterator(options)); | ||
| const [peers, setPeers] = useState<Record<string, HMSPeer>>({}); | ||
| const [total, setTotal] = useState(0); | ||
|
|
||
| return { | ||
| loadPeers: () => | ||
| iterator.current.findPeers().then(peers => { | ||
| setPeers(processPeers(peers)); | ||
| setTotal(iterator.current.getTotal()); | ||
| }), | ||
| loadMorePeers: () => | ||
| iterator.current.next().then(peers => { | ||
| setPeers(prevPeers => { | ||
| return { | ||
| ...prevPeers, | ||
| ...processPeers(peers), | ||
| }; | ||
| }); | ||
| setTotal(iterator.current.getTotal()); | ||
| }), | ||
| total, | ||
| peers: Object.values(peers), | ||
| }; | ||
| }; |
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