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| require('dotenv').config() | |
| const redis = require('redis') | |
| const QueueHelper = require('../../util/rabbitmq.helper'); | |
| const modelContainer = require('../models') | |
| const pub = redis.createClient(); // creating for localhost | |
| class BaseWorker { | |
| constructor (type, model) { | |
| this.type = type | |
| this.QueueName = `${type}:queue` | |
| this.rb = new QueueHelper(this.QueueName); // Named the queue after the type | |
| this.model = model | |
| } | |
| async runQueue () { | |
| let count = 0; | |
| await this.rb.setup(); | |
| const {messageCount} = await this.rb.queueAssert | |
| const type = this.type | |
| this.rb.channel.consume( | |
| this.QueueName, | |
| async msg => { | |
| try{ | |
| setImmediate( async function () { | |
| const strContent = msg.content.toString() | |
| const queuedData = JSON.parse(strContent); | |
| const {item_id} = queuedData | |
| await this.model.create(queuedData) | |
| this.rb.channel.ack(msg); | |
| ++count | |
| await pub.publish(`channel:${type}`, JSON.stringify({count, item_id, messageCount})) | |
| if(count == messageCount) { | |
| // At this point the queue has finished and you can perform any clean up etc here | |
| } | |
| }) | |
| }catch(e){ | |
| } | |
| } | |
| ) | |
| } | |
| } |
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