@caidrive/shared/dist/domain.events/dispatcher.js

caidrive.shared.components

"use strict";
/**
 * What it does.
 *
 * @param name - Parameter description.
 * @returns Type and description of the returned object.
 *
 * @example
 * ```
 * Write me later.
 * ```
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.Dispatcher = void 0;
/**
 *
 */
class Dispatcher {
    /**
     *
     */
    static dispatch(event) {
        /**
         *
         */
        const eventName = event.constructor.name;
        if (this.handlers.hasOwnProperty(eventName)) {
            /**
             *
             */
            const handlers = this.handlers[eventName];
            /**
             *
             */
            for (const handler of handlers) {
                handler(event);
            }
        }
    }
    /**
     *
     */
    static getAggregate(id) {
        /**
         *
         */
        let result = null;
        for (const aggregate of this.aggregates) {
            /**
             *
             */
            if (aggregate.id.value.equals(id)) {
                result = aggregate;
                break;
            }
        }
        return result;
    }
    /**
     *
     */
    static clearHandlers() {
        /**
         */
        this.handlers = {};
    }
    /**
     *
     */
    static addAggregate(aggregate) {
        /**
         *
         */
        if (!this.getAggregate(aggregate.id.value)) {
            /**
             */
            this.aggregates.push(aggregate);
        }
    }
    /**
     *
     */
    static removeAggregate(aggregate) {
        /**
         *
         */
        for (let i = this.aggregates.length - 1; i >= 0; i--) {
            /**
             */
            if (this.aggregates[i].equals(aggregate)) {
                /**
                 */
                this.aggregates.splice(i, 1);
                break;
            }
        }
    }
    /**
     *
     */
    static register(cb) {
        /**
         *
         */
        if (!this.handlers.hasOwnProperty(cb.eventName)) {
            this.handlers[cb.eventName] = [];
        }
        this.handlers[cb.eventName].push(cb.callback);
    }
    /**
     *
     */
    static dispatchAggregateEvents(id) {
        try {
            /**
             */
            const aggregate = this.getAggregate(id);
            /**
             */
            if (aggregate) {
                /**
                 *
                 */
                const { events } = aggregate;
                for (let i = events.length - 1; i >= 0; i--) {
                    /**
                     *
                     */
                    try {
                        /**/
                        const event = events[i];
                        this.dispatch(event);
                        events.splice(i, 1);
                    }
                    catch (error) {
                        continue;
                    }
                }
                if (events.length === 0) {
                    aggregate.clearEvents();
                    this.removeAggregate(aggregate);
                }
            }
        }
        catch (error) { }
    }
}
exports.Dispatcher = Dispatcher;
/**
 *
 */
Dispatcher.handlers = {};
Dispatcher.aggregates = [];