eventstore-interconnect/dist/validator/next/next-events-validator.service.js

Eventstore interconnector

"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 __param = (this && this.__param) || function (paramIndex, decorator) {
    return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.NextEventsValidatorService = void 0;
const common_1 = require("@nestjs/common");
const constants_1 = require("../../constants");
const class_validator_1 = require("class-validator");
const invalid_event_error_1 = require("../errors/invalid-event.error");
const not_allowed_event_error_1 = require("../errors/not-allowed-event.error");
const safety_net_1 = require("../../safety-net");
const class_transformer_1 = require("class-transformer");
let NextEventsValidatorService = class NextEventsValidatorService {
    constructor(allowedEvents, safetyNet) {
        this.allowedEvents = allowedEvents;
        this.safetyNet = safetyNet;
    }
    async validate(event) {
        const eventInstance = this.tryToInstantiateEvent(event.event);
        const concatErrors = await (0, class_validator_1.validate)(eventInstance['data']);
        if (concatErrors.length > 0) {
            this.safetyNet.invalidEventHook(event);
            throw new invalid_event_error_1.InvalidEventError(event, JSON.stringify(concatErrors));
        }
    }
    tryToInstantiateEvent(event) {
        try {
            const instance = new this.allowedEvents[event.type](event.data);
            return (0, class_transformer_1.plainToClassFromExist)(this.allowedEvents[event.type], instance);
        }
        catch (e) {
            this.safetyNet.invalidEventHook(event);
            throw new not_allowed_event_error_1.NotAllowedEventError(this.allowedEvents);
        }
    }
};
NextEventsValidatorService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Inject)(constants_1.ALLOWED_EVENTS)),
    __param(1, (0, common_1.Inject)(safety_net_1.SAFETY_NET)),
    __metadata("design:paramtypes", [Object, Object])
], NextEventsValidatorService);
exports.NextEventsValidatorService = NextEventsValidatorService;
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