component-dbs-core
Version:
DTO objects shared among device backend
58 lines • 2.81 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.UpdateEventPublisher = void 0;
class UpdateEventPublisher {
constructor(appSyncClient$, checkDeviceStatus) {
this.appSyncClient$ = appSyncClient$;
this.checkDeviceStatus = checkDeviceStatus;
}
/**
*
* @param stream stream of update events coming from DynamoDb
* @param streamConverterFn Function used to convert the event records to type interfaces
*/
publishUpdateEventToSubscribers(stream, streamConverterFn) {
return __awaiter(this, void 0, void 0, function* () {
const client = yield this.appSyncClient$.getAppSyncClient();
const records = [];
const deviceStatus = stream
.filter((record) => typeof record.dynamodb.NewImage !== 'undefined')
.map((record) => {
const { dynamodb } = record;
const { Keys: keys } = dynamodb;
const deviceUuid = keys.id.S;
records.push(record);
return this.checkDeviceStatus(deviceUuid);
});
const status = yield Promise.all(deviceStatus);
const updatedRecords = records
.filter((_, i) => status[i] === "ACTIVE" /* ACTIVE */)
.map((record) => streamConverterFn(record))
.map((item) => {
console.info('publish update event', item);
const keys = this.appSyncClient$.utils.getGqlResponseKeys(item);
console.info('publish keys:', keys);
return client.mutate(this.prepareUpdateEventRequest(item, keys));
});
try {
const response = yield Promise.all(updatedRecords);
console.info('publish event response,', JSON.stringify(response));
}
catch (err) {
// TODO: send notification for this error
console.error(err);
}
});
}
}
exports.UpdateEventPublisher = UpdateEventPublisher;
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