@mbc-cqrs-serverless/core
Version:
CQRS and event base core
71 lines • 4.32 kB
JavaScript
;
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 DataSyncNewCommandEventHandler_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.DataSyncNewCommandEventHandler = void 0;
const common_1 = require("@nestjs/common");
const config_1 = require("@nestjs/config");
const data_store_1 = require("../data-store");
const decorators_1 = require("../decorators");
const step_function_service_1 = require("../step-func/step-function.service");
const data_sync_new_event_1 = require("./data-sync.new.event");
let DataSyncNewCommandEventHandler = DataSyncNewCommandEventHandler_1 = class DataSyncNewCommandEventHandler {
constructor(config, sfnService, dynamoDbService) {
this.config = config;
this.sfnService = sfnService;
this.dynamoDbService = dynamoDbService;
this.logger = new common_1.Logger(DataSyncNewCommandEventHandler_1.name);
this.sfnArn = config.get('SFN_COMMAND_ARN');
}
async execute(event) {
this.logger.debug('executing::', event);
const moduleName = this.dynamoDbService.getModuleName(event.tableName);
const ddbKeys = event.dynamodb?.Keys;
const ddbRecordId = `${ddbKeys.pk?.S || 'pk'}-${ddbKeys.sk?.S || 'sk'}`
.replaceAll('#', '-')
.replace('@', '-v')
.replace(/[^0-9A-Za-z_-]+/g, `__${Math.random().toString(36).substring(2, 4)}__`);
const sfnExecName = `${moduleName}-${ddbRecordId}-${Date.now()}`;
try {
return await this.sfnService.startExecution(this.sfnArn, event, sfnExecName);
}
catch (error) {
// Only tolerate a missing state machine when running under
// serverless-offline (local development), where DynamoDB Streams can fire
// before Step Functions Local has registered the state machine.
// serverless-offline sets IS_OFFLINE and it is never set in a deployed
// Lambda, so it is a reliable local-only signal (same check as
// EmailService). SFN_ENDPOINT is NOT used here because it is a generic
// endpoint override that may legitimately be set in production (VPC
// endpoint, PrivateLink). In any other environment a missing state
// machine is a real misconfiguration (wrong ARN, undeployed/deleted state
// machine, deploy race) and must surface as a failure — otherwise the
// command is silently written without its data-sync ever running, with no
// Lambda error metric / stream retry / alarm to detect it.
const isOffline = process.env.IS_OFFLINE === 'true' || process.env.IS_OFFLINE === '1';
if (error?.name === 'StateMachineDoesNotExist' && isOffline) {
this.logger.warn(`State machine not found (ARN: ${this.sfnArn}). ` +
'This may happen during local development if the state machine is not yet registered. ' +
`Skipping execution for: ${sfnExecName}`);
return;
}
throw error;
}
}
};
exports.DataSyncNewCommandEventHandler = DataSyncNewCommandEventHandler;
exports.DataSyncNewCommandEventHandler = DataSyncNewCommandEventHandler = DataSyncNewCommandEventHandler_1 = __decorate([
(0, decorators_1.EventHandler)(data_sync_new_event_1.DataSyncNewCommandEvent),
__metadata("design:paramtypes", [config_1.ConfigService,
step_function_service_1.StepFunctionService,
data_store_1.DynamoDbService])
], DataSyncNewCommandEventHandler);
//# sourceMappingURL=data-sync.new.event.handler.js.map