nestjs-event-sourcing-lib/dist/core/command.js

A comprehensive Event Sourcing and CQRS library for NestJS applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Command = void 0;
const class_validator_1 = require("class-validator");
const uuid_1 = require("uuid");
/**
 * Base class for all commands in CQRS system
 */
class Command {
    constructor(aggregateId, metadata) {
        this.commandId = (0, uuid_1.v4)();
        this.aggregateId = aggregateId;
        this.timestamp = new Date();
        this.metadata = metadata;
    }
    async validate() {
        await (0, class_validator_1.validateOrReject)(this);
    }
    getCommandName() {
        return this.constructor.name;
    }
    /**
     * Serializes command to JSON
     */
    toJSON() {
        return {
            commandId: this.commandId,
            aggregateId: this.aggregateId,
            timestamp: this.timestamp,
            metadata: this.metadata,
            commandName: this.getCommandName(),
            ...this.getPayload(),
        };
    }
    /**
     * Gets command payload (all properties except metadata)
     */
    getPayload() {
        const { commandId, aggregateId, timestamp, metadata, ...payload } = this;
        return payload;
    }
}
exports.Command = Command;
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