@kitmi/jacaranda/src/features/businessLogic.js

JavaScript application framework

/**
 * Enable business feature
 * @module Feature_Business
 */

import path from 'node:path';
import Feature from '../Feature';
import { _, get as _get } from '@kitmi/utils';
import { InvalidArgument } from '@kitmi/types';
import Business from '../helpers/Business';

export default {
    stage: Feature.SERVICE,

    load_: async function (app, options, name) {
        const { path: _path, db } = app.featureConfig(
            options,
            {
                schema: {
                    path: { type: 'text', default: 'business' },
                    db: { type: 'text', optional: true },
                },
            },
            name
        );

        let businessClasses = _get(app.registry, _path);
        if (!businessClasses) {
            businessClasses = require(path.join(app.sourcePath, _path));
        }

        app.bus = (businessName, fromApp, ctx) => {
            if (ctx == null && fromApp?.request) {
                ctx = fromApp;
                fromApp = null;
            }

            if (fromApp) {
                let _app = app.getOtherApp(fromApp);
                return _app.bus(businessName, null, ctx);
            }

            const businessClass = businessClasses[businessName];
            if (!businessClass) {
                throw new InvalidArgument(`Business class "${businessName}" not found.`);
            }

            const _dbName = db || app.settings.defaultDb;            

            if (businessClass.length > 0 || businessClass.prototype instanceof Business) {
                return new businessClass(app, _dbName, ctx);
            }

            // compatibility with those who don't extend from Business class
            Object.setPrototypeOf(businessClass.prototype, Business.prototype);
            Object.setPrototypeOf(businessClass, Business);

            return new businessClass(app, _dbName, ctx);
        };
    },
};