local-aws/src/sqs/receive-message.handler.ts

53 lines
1.7 KiB
TypeScript

import { Injectable } from '@nestjs/common';
import { AbstractActionHandler, AwsProperties, Format } from '../abstract-action.handler';
import { Action } from '../action.enum';
import * as Joi from 'joi';
import { SqsQueue } from './sqs-queue.entity';
import { SqsQueueEntryService } from './sqs-queue-entry.service';
import * as crypto from 'crypto';
type QueryParams = {
QueueUrl: string;
MaxNumberOfMessages?: number;
VisibilityTimeout?: number;
}
@Injectable()
export class ReceiveMessageHandler extends AbstractActionHandler<QueryParams> {
constructor(
private readonly sqsQueueEntryService: SqsQueueEntryService,
) {
super();
}
audit = false;
format = Format.Xml;
action = Action.SqsReceiveMessage;
validator = Joi.object<QueryParams, true>({
QueueUrl: Joi.string().required(),
MaxNumberOfMessages: Joi.number(),
VisibilityTimeout: Joi.number(),
});
protected async handle({ QueueUrl, MaxNumberOfMessages, VisibilityTimeout }: QueryParams, awsProperties: AwsProperties) {
const [accountId, name] = SqsQueue.tryGetAccountIdAndNameFromPathOrArn(QueueUrl);
const records = await this.sqsQueueEntryService.recieveMessages(accountId, name, MaxNumberOfMessages, VisibilityTimeout);
return {
Message: records.map(r => ({
MessageId: r.id,
ReceiptHandle: r.id,
MD5OfBody: crypto.createHash('md5').update(r.message).digest("hex"),
Body: r.message,
Attribute: [
{ Name: 'SenderId', Value: r.senderId },
{ Name: 'SentTimestamp', Value: r.createdAt.valueOf() },
{ Name: 'ApproximateReceiveCount', Value: 1 },
{ Name: 'ApproximateFirstReceiveTimestamp', Value: r.createdAt.valueOf() },
],
})),
}
}
}