@nest-kr/integration/dist/application/subscriber/IntegrationEventSubscriber.js

```cli npm i @nest-kr/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 __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const common_1 = require("@nestjs/common");
const object_case_converter_1 = require("@ridi/object-case-converter");
const SqsSubscriber_1 = require("../../infra/sqs/SqsSubscriber");
const IntegrationEventBus_1 = require("./IntegrationEventBus");
const UnsignedIntegrationEvent_1 = require("../../domain/UnsignedIntegrationEvent");
const IntegrationSignature_1 = require("../../IntegrationSignature");
let IntegrationEventSubscriber = class IntegrationEventSubscriber {
    constructor(sqsSubscriber, integrationEventBus) {
        this.sqsSubscriber = sqsSubscriber;
        this.integrationEventBus = integrationEventBus;
        this.initialized = false;
        this.middlewares = [];
    }
    use(func) {
        this.middlewares.push(func);
    }
    init(subscriberOptions, onHandleError) {
        const sqsOptions = subscriberOptions;
        this.sqsSubscriber.init(sqsOptions, (dto) => __awaiter(this, void 0, void 0, function* () {
            // set integration event
            this.setMetadata(dto);
            return new Promise((resolve, reject) => {
                this.dispatch(dto, (err) => __awaiter(this, void 0, void 0, function* () {
                    if (err) {
                        reject(err);
                    }
                    const { integrationEvent, subject, message } = dto;
                    if (integrationEvent) {
                        resolve(this.integrationEventBus.handle(integrationEvent));
                    }
                    else {
                        const unsignedIntegrationEvent = new UnsignedIntegrationEvent_1.UnsignedIntegrationEvent(subject, message);
                        resolve(this.integrationEventBus.handleUnsignedIntegrationEvent(unsignedIntegrationEvent));
                    }
                }));
            });
        }), (error) => {
            if (onHandleError) {
                onHandleError(error);
            }
        });
        this.initialized = true;
    }
    run() {
        return __awaiter(this, void 0, void 0, function* () {
            if (!this.initialized) {
                throw new Error('IntegrationEventSubscriber is not initialized');
            }
            yield this.sqsSubscriber.run();
        });
    }
    setMetadata(dto) {
        const { message } = dto;
        try {
            const jsonMessage = JSON.parse(message);
            if (jsonMessage.signature !== IntegrationSignature_1.INTEGRATION_SIGNATURE) {
                throw new Error('Unsigned integration event');
            }
            const convertedMessage = object_case_converter_1.camelize(jsonMessage, { recursive: true });
            dto.integrationEvent = {
                id: convertedMessage.id,
                topicArn: convertedMessage.topicArn,
                subject: convertedMessage.subject,
                headers: convertedMessage.headers,
                data: convertedMessage.data,
                publishedAt: convertedMessage.publishedAt,
                createdAt: convertedMessage.createdAt,
                signature: convertedMessage.signature,
            };
        }
        catch (e) { }
    }
    stop() {
        return __awaiter(this, void 0, void 0, function* () {
            yield this.sqsSubscriber.stop();
        });
    }
    get isRunning() {
        return this.sqsSubscriber.isRunning;
    }
    dispatch(snsMessage, done) {
        let idx = 0;
        const { middlewares } = this;
        function next(err) {
            return __awaiter(this, void 0, void 0, function* () {
                if (err) {
                    return done(err);
                }
                const cur = middlewares[idx];
                idx += 1;
                if (!cur) {
                    return done();
                }
                try {
                    return cur(snsMessage, next);
                }
                catch (err) {
                    return done(err);
                }
            });
        }
        next();
    }
};
IntegrationEventSubscriber = __decorate([
    common_1.Injectable(),
    __metadata("design:paramtypes", [SqsSubscriber_1.SqsSubscriber,
        IntegrationEventBus_1.IntegrationEventBus])
], IntegrationEventSubscriber);
exports.IntegrationEventSubscriber = IntegrationEventSubscriber;