@sotatech/nest-taskflow/dist/callback/task-event-listener.service.js

A task flow management library for NestJS with Redis Pub/Sub integration.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var TaskEventListenerService_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TaskEventListenerService = void 0;
const common_1 = require("@nestjs/common");
const event_emitter_1 = require("@nestjs/event-emitter");
const nestjs_redis_1 = require("@liaoliaots/nestjs-redis");
let TaskEventListenerService = TaskEventListenerService_1 = class TaskEventListenerService {
    constructor(redisService, eventEmitter) {
        this.redisService = redisService;
        this.eventEmitter = eventEmitter;
        this.logger = new common_1.Logger(TaskEventListenerService_1.name);
    }
    async onModuleInit() {
        const redisClient = this.redisService.getOrThrow('subscriber');
        await redisClient.subscribe('task_verified');
        redisClient.on('message', this.handleRedisMessage.bind(this));
    }
    handleRedisMessage(channel, message) {
        if (channel === 'task_verified') {
            const eventData = JSON.parse(message);
            this.emitTaskVerifiedEvent(eventData);
        }
    }
    emitTaskVerifiedEvent(metadata) {
        const eventName = `task.verified.${metadata.queue}`;
        this.logger.log(`Emitting event: ${eventName} for taskId: ${metadata.id}`);
        this.eventEmitter.emit(eventName, metadata);
    }
};
exports.TaskEventListenerService = TaskEventListenerService;
exports.TaskEventListenerService = TaskEventListenerService = TaskEventListenerService_1 = __decorate([
    (0, common_1.Injectable)(),
    __metadata("design:paramtypes", [nestjs_redis_1.RedisService,
        event_emitter_1.EventEmitter2])
], TaskEventListenerService);
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