| /* |
| * Copyright (C) 2022 Savoir-faire Linux Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Affero General Public License as |
| * published by the Free Software Foundation; either version 3 of the |
| * License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU Affero General Public License for more details. |
| * |
| * You should have received a copy of the GNU Affero General Public |
| * License along with this program. If not, see |
| * <https://www.gnu.org/licenses/>. |
| */ |
| |
| import { IConversationRequest, IConversationSummary, Message, WebSocketMessageType } from 'jami-web-common'; |
| import { Container, Service } from 'typedi'; |
| |
| import { ConversationRequestMetadata } from '../jamid/conversation-request-metadata.js'; |
| import { Jamid } from '../jamid/jamid.js'; |
| import { WebSocketServer } from '../websocket/websocket-server.js'; |
| import { ContactService } from './ContactService.js'; |
| |
| const jamid = Container.get(Jamid); |
| const webSocketServer = Container.get(WebSocketServer); |
| const contactService = Container.get(ContactService); |
| |
| @Service() |
| export class ConversationService { |
| constructor() { |
| jamid.events.onConversationRequestReceived.subscribe(async (signal) => { |
| const conversationRequest = await this.createConversationRequest(signal.accountId, signal.metadata); |
| webSocketServer.send(signal.accountId, WebSocketMessageType.ConversationRequest, conversationRequest); |
| }); |
| } |
| |
| async createConversationRequest( |
| accountId: string, |
| jamidRequest: ConversationRequestMetadata |
| ): Promise<IConversationRequest> { |
| const contact = await contactService.getContactFromUri(accountId, jamidRequest.from); |
| const membersNames = await this.getMembersNames(accountId, jamidRequest.id); |
| |
| // Currently, this does not actually works. |
| // It seems the members can't be accessed yet. Same on jami-android |
| if (membersNames.length === 0) { |
| membersNames.push(contact.registeredName || contact.uri); |
| } |
| |
| return { |
| conversationId: jamidRequest.id, |
| received: jamidRequest.received, |
| from: contact, |
| infos: { |
| // Build a dataUrl from the avatar |
| // TODO: Host the image and use a "normal" url instead |
| avatar: jamidRequest.avatar ? `data:image/jpeg;base64,${jamidRequest.avatar}` : undefined, |
| description: jamidRequest.description, |
| mode: jamidRequest.mode, |
| title: jamidRequest.title, |
| }, |
| membersNames, |
| }; |
| } |
| |
| async createConversationSummary( |
| accountId: string, |
| conversationId: string |
| ): Promise<IConversationSummary | undefined> { |
| const infos = jamid.getConversationInfos(accountId, conversationId); |
| if (Object.keys(infos).length === 0) { |
| return undefined; |
| } |
| // Build a dataUrl from the avatar |
| // TODO: Host the image and use a "normal" url instead |
| infos.avatar = infos.avatar ? `data:image/jpeg;base64,${infos.avatar}` : undefined; |
| |
| const membersNames = await this.getMembersNames(accountId, conversationId); |
| let lastMessage: Message | undefined; |
| // Skip "merge" type since they are of no interest for the user |
| // Should we add some protection to prevent infinite loop? |
| while (!lastMessage || lastMessage.type === 'merge') { |
| lastMessage = ( |
| await jamid.getConversationMessages(accountId, conversationId, lastMessage?.linearizedParent || '', 1) |
| )[0]; |
| } |
| |
| return { |
| id: conversationId, |
| avatar: infos.avatar, |
| title: infos.title, |
| membersNames, |
| lastMessage, |
| }; |
| } |
| |
| async getMembersNames(accountId: string, conversationId: string): Promise<string[]> { |
| // Retrieve the URI of the current account (Account.username actually stores the URI rather than the username) |
| const accountUri = jamid.getAccountDetails(accountId)['Account.username']; |
| |
| const members = jamid.getConversationMembers(accountId, conversationId); |
| const membersNames: string[] = []; |
| for (const member of members) { |
| // Exclude current user from returned conversation members |
| if (member.uri === accountUri) { |
| continue; |
| } |
| |
| // Add usernames for conversation members |
| const { username } = await jamid.lookupAddress(member.uri, accountId); |
| membersNames.push(username || member.uri); |
| } |
| |
| return membersNames; |
| } |
| } |