import autobind from 'autobind-decorator'; import { readUserMessagingMessage, readGroupMessagingMessage, deliverReadActivity } from '../../common/read-messaging-message'; import Channel from '../channel'; import { UserGroupJoinings, Users, MessagingMessages } from '../../../../models'; import { User, ILocalUser, IRemoteUser } from '../../../../models/entities/user'; export default class extends Channel { public readonly chName = 'messaging'; public static shouldShare = false; public static requireCredential = true; private otherpartyId: string | null; private otherparty?: User; private groupId: string | null; private subCh: string; private typers: Record = {}; private emitTypersIntervalId: ReturnType; @autobind public async init(params: any) { this.otherpartyId = params.otherparty as string; this.otherparty = await Users.findOne({ id: this.otherpartyId }); this.groupId = params.group as string; // Check joining if (this.groupId) { const joining = await UserGroupJoinings.findOne({ userId: this.user!.id, userGroupId: this.groupId }); if (joining == null) { return; } } this.emitTypersIntervalId = setInterval(this.emitTypers, 5000); this.subCh = this.otherpartyId ? `messagingStream:${this.user!.id}-${this.otherpartyId}` : `messagingStream:${this.groupId}`; // Subscribe messaging stream this.subscriber.on(this.subCh, this.onEvent); } @autobind private onEvent(data: any) { if (data.type === 'typing') { const id = data.body; const begin = this.typers[id] == null; this.typers[id] = new Date(); if (begin) { this.emitTypers(); } } else { this.send(data); } } @autobind public onMessage(type: string, body: any) { switch (type) { case 'read': if (this.otherpartyId) { readUserMessagingMessage(this.user!.id, this.otherpartyId, [body.id]); // リモートユーザーからのメッセージだったら既読配信 if (Users.isLocalUser(this.user!) && Users.isRemoteUser(this.otherparty!)) { MessagingMessages.findOne(body.id).then(message => { if (message) deliverReadActivity(this.user as ILocalUser, this.otherparty as IRemoteUser, message); }); } } else if (this.groupId) { readGroupMessagingMessage(this.user!.id, this.groupId, [body.id]); } break; } } @autobind private async emitTypers() { const now = new Date(); // Remove not typing users for (const [userId, date] of Object.entries(this.typers)) { if (now.getTime() - date.getTime() > 5000) delete this.typers[userId]; } const users = await Users.packMany(Object.keys(this.typers), null, { detail: false }); this.send({ type: 'typers', body: users, }); } @autobind public dispose() { this.subscriber.off(this.subCh, this.onEvent); clearInterval(this.emitTypersIntervalId); } }