@golemio/pid
Version:
Golemio PID Module
98 lines • 5.18 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 __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.DelayComputationRepository = void 0;
const RedisJsonParser_1 = require("../../../../helpers/RedisJsonParser");
const const_1 = require("../../../../schema-definitions/vehicle-positions/redis/const");
const IoRedisConnector_1 = require("@golemio/core/dist/helpers/data-access/redis/IoRedisConnector");
const CoreToken_1 = require("@golemio/core/dist/helpers/ioc/CoreToken");
const ioc_1 = require("@golemio/core/dist/output-gateway/ioc");
const golemio_errors_1 = require("@golemio/core/dist/shared/golemio-errors");
const tsyringe_1 = require("@golemio/core/dist/shared/tsyringe");
let DelayComputationRepository = class DelayComputationRepository {
constructor(redisConnector, log) {
this.redisConnector = redisConnector;
this.log = log;
}
async getDelayComputationCacheProperty(gtfsTripId, property) {
if (!this.redisConnector.isConnected()) {
await this.redisConnector.connect();
}
const redisKey = `${const_1.GTFS_DELAY_COMPUTATION_NAMESPACE_PREFIX}:${gtfsTripId}`;
const connection = this.redisConnector.getConnection();
try {
const jsonResult = await connection.call("JSON.GET", redisKey, `$.${property}`);
if (!jsonResult) {
this.log.warn(`${this.constructor.name}: Property '${property}' not found in Redis key '${redisKey}'`);
return null;
}
return RedisJsonParser_1.RedisJsonParser.parseSingle(jsonResult, this.constructor.name, property);
}
catch (err) {
throw new golemio_errors_1.GeneralError(`${this.constructor.name}: Failed to fetch '${property}' from delay computation cache`, this.constructor.name, err);
}
}
customJsonReducer(fieldCould) {
return function reduceListOfFields(prev, curr, idx) {
if (idx % fieldCould === 0) {
// zero-indexed is the beginning of new-list of properties
prev.push([curr]);
}
else {
// all next are pushed into the new-list
prev[prev.length - 1].push(curr);
}
return prev;
};
}
async getJsonPathFieldsAsListOfValues(tripIds, jsonPath, expectingKeysCount) {
if (!this.redisConnector.isConnected()) {
await this.redisConnector.connect();
}
const mapTripToStops = new Map();
if (!tripIds.length)
return mapTripToStops;
const redisKeys = tripIds.map((t) => `${const_1.GTFS_DELAY_COMPUTATION_NAMESPACE_PREFIX}:${t}`);
const connection = this.redisConnector.getConnection();
try {
const jsonResult = await connection.call("JSON.MGET", redisKeys.concat(jsonPath));
if (!jsonResult) {
this.log.info(`${this.constructor.name}: Cannot read custom jsonPath '${jsonPath}' in Redis keys for trip ids: '${tripIds}'`);
return null;
}
const reducerFn = this.customJsonReducer(expectingKeysCount);
for (const [index, resultLine] of jsonResult.entries()) {
if (!resultLine) {
mapTripToStops.set(tripIds[index], []);
}
else {
const parsedLine = JSON.parse(resultLine);
mapTripToStops.set(tripIds[index], parsedLine.reduce(reducerFn, []));
}
}
return mapTripToStops;
}
catch (err) {
throw new golemio_errors_1.GeneralError(`${this.constructor.name}: Failed to read custom jsonPath '${jsonPath}' from delay computation cache`, this.constructor.name, err);
}
}
};
exports.DelayComputationRepository = DelayComputationRepository;
exports.DelayComputationRepository = DelayComputationRepository = __decorate([
(0, tsyringe_1.injectable)(),
__param(0, (0, tsyringe_1.inject)(ioc_1.ContainerToken.RedisConnector)),
__param(1, (0, tsyringe_1.inject)(CoreToken_1.CoreToken.Logger)),
__metadata("design:paramtypes", [IoRedisConnector_1.IoRedisConnector, Object])
], DelayComputationRepository);
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