n8n/dist/collaboration/collaboration.service.js

n8n Workflow Automation Tool

"use strict";
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    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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var __metadata = (this && this.__metadata) || function (k, v) {
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    return (mod && mod.__esModule) ? mod : { "default": mod };
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Object.defineProperty(exports, "__esModule", { value: true });
exports.CollaborationService = void 0;
const typedi_1 = require("typedi");
const config_1 = __importDefault(require("../config"));
const push_1 = require("../push");
const Logger_1 = require("../Logger");
const collaboration_message_1 = require("./collaboration.message");
const user_service_1 = require("../services/user.service");
const collaboration_state_1 = require("../collaboration/collaboration.state");
const constants_1 = require("../constants");
const user_repository_1 = require("../databases/repositories/user.repository");
const INACTIVITY_CLEAN_UP_TIME_IN_MS = 15 * constants_1.TIME.MINUTE;
let CollaborationService = class CollaborationService {
    constructor(logger, push, state, userService, userRepository) {
        this.logger = logger;
        this.push = push;
        this.state = state;
        this.userService = userService;
        this.userRepository = userRepository;
        if (!push.isBidirectional) {
            logger.warn('Collaboration features are disabled because push is configured unidirectional. Use N8N_PUSH_BACKEND=websocket environment variable to enable them.');
            return;
        }
        const isMultiMainSetup = config_1.default.get('multiMainSetup.enabled');
        if (isMultiMainSetup) {
            logger.warn('Collaboration features are disabled because multi-main setup is enabled.');
            return;
        }
        this.push.on('message', async (event) => {
            try {
                await this.handleUserMessage(event.userId, event.msg);
            }
            catch (error) {
                this.logger.error('Error handling user message', {
                    error: error,
                    msg: event.msg,
                    userId: event.userId,
                });
            }
        });
    }
    async handleUserMessage(userId, msg) {
        if ((0, collaboration_message_1.isWorkflowOpenedMessage)(msg)) {
            await this.handleWorkflowOpened(userId, msg);
        }
        else if ((0, collaboration_message_1.isWorkflowClosedMessage)(msg)) {
            await this.handleWorkflowClosed(userId, msg);
        }
    }
    async handleWorkflowOpened(userId, msg) {
        const { workflowId } = msg;
        this.state.addActiveWorkflowUser(workflowId, userId);
        this.state.cleanInactiveUsers(workflowId, INACTIVITY_CLEAN_UP_TIME_IN_MS);
        await this.sendWorkflowUsersChangedMessage(workflowId);
    }
    async handleWorkflowClosed(userId, msg) {
        const { workflowId } = msg;
        this.state.removeActiveWorkflowUser(workflowId, userId);
        await this.sendWorkflowUsersChangedMessage(workflowId);
    }
    async sendWorkflowUsersChangedMessage(workflowId) {
        const activeWorkflowUsers = this.state.getActiveWorkflowUsers(workflowId);
        const workflowUserIds = activeWorkflowUsers.map((user) => user.userId);
        if (workflowUserIds.length === 0) {
            return;
        }
        const users = await this.userRepository.getByIds(this.userService.getManager(), workflowUserIds);
        const msgData = {
            workflowId,
            activeUsers: users.map((user) => ({
                user,
                lastSeen: activeWorkflowUsers.find((activeUser) => activeUser.userId === user.id).lastSeen,
            })),
        };
        this.push.sendToUsers('activeWorkflowUsersChanged', msgData, workflowUserIds);
    }
};
exports.CollaborationService = CollaborationService;
exports.CollaborationService = CollaborationService = __decorate([
    (0, typedi_1.Service)(),
    __metadata("design:paramtypes", [Logger_1.Logger,
        push_1.Push,
        collaboration_state_1.CollaborationState,
        user_service_1.UserService,
        user_repository_1.UserRepository])
], CollaborationService);
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