81 lines
2.5 KiB
TypeScript
81 lines
2.5 KiB
TypeScript
import { RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
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import { Controller } from '@nestjs/common';
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import { CommandBus } from '@nestjs/cqrs';
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import { CreateAdCommand } from '../../commands/create-ad.command';
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import { CreateAdRequest } from '../../domain/dtos/create-ad.request';
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import { validateOrReject } from 'class-validator';
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import { Messager } from '../secondaries/messager';
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import { plainToInstance } from 'class-transformer';
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import { DatabaseException } from 'src/modules/database/exceptions/database.exception';
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import { ExceptionCode } from 'src/modules/utils/exception-code.enum';
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@Controller()
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export class AdMessagerController {
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constructor(
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private readonly messager: Messager,
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private readonly commandBus: CommandBus,
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) {}
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@RabbitSubscribe({
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name: 'adCreated',
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})
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async adCreatedHandler(message: string): Promise<void> {
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let createAdRequest: CreateAdRequest;
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// parse message to request instance
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try {
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createAdRequest = plainToInstance(CreateAdRequest, JSON.parse(message));
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// validate instance
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await validateOrReject(createAdRequest);
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// validate nested objects (fixes direct nested validation bug)
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for (const waypoint of createAdRequest.waypoints) {
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try {
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await validateOrReject(waypoint);
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} catch (e) {
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throw e;
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}
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}
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} catch (e) {
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this.messager.publish(
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'matcher.ad.crit',
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JSON.stringify({
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message: `Can't validate message : ${message}`,
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error: e,
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}),
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);
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}
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try {
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await this.commandBus.execute(new CreateAdCommand(createAdRequest));
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} catch (e) {
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if (e instanceof DatabaseException) {
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if (e.message.includes('already exists')) {
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this.messager.publish(
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'matcher.ad.crit',
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JSON.stringify({
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code: ExceptionCode.ALREADY_EXISTS,
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message: 'Already exists',
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uuid: createAdRequest.uuid,
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}),
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);
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}
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if (e.message.includes("Can't reach database server")) {
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this.messager.publish(
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'matcher.ad.crit',
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JSON.stringify({
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code: ExceptionCode.UNAVAILABLE,
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message: 'Database server unavailable',
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uuid: createAdRequest.uuid,
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}),
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);
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}
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}
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this.messager.publish(
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'logging.matcher.ad.crit',
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JSON.stringify({
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message,
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error: e,
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}),
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);
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}
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}
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}
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