mgm/controller/ConfigController.js

My generic modules

const ThreadLocal = require('../tool/ThreadLocal');
module.exports = class ConfigController {

    constructor() {
        this.json = {};
    }

    renderView(req, res, next) {
        try {

            var view = req.originalUrl.replace(/\?.*/g, '').replace(/\//g, "");
            if (view === '') {
                view = 'Home';
            }
            this.doClear();
            res.render(view, this.getRenderOptions());

        } catch (e) {
            this.renderError(e, req, res, next);
        } finally {
            ThreadLocal.clear();
        }
    }

    async invokeApplication(req, res, next) {
        try {
            this.json = req.body;
            this.updateModel(req, res, next);
            if (this.json.method.length > 0) {
                checkMethod.call(this, this.json.method);
                await this[this.json.method](req, res, next);
            }
            this.renderResponse(req, res, next);
        } catch (e) {
            this.renderError(e, req, res, next);
        } finally {
            ThreadLocal.clear();
        }
    }
}

function checkMethod(methodName) {
    if (this[methodName] === undefined) {
        throw new Error(`No Such Method '${this.constructor.name}.${methodName}' found.`);
    }
}