@textback/notification-widget/src/sdk/sdk.js

TODO: Give a short introduction of your project. Let this section explain the objectives or the motivation behind this project.

import apiErrorHandler from "./utils/apiErrorHandler";
import 'whatwg-fetch';

import Widget from './widget/widget.js';
import {EVENTS, Observer} from './events/observer.js';
import {deeplinkUpdater} from './utils/loadDeepLink.js';

require('es6-promise').polyfill();

export default class SDK {
    constructor() {
        this.widgets = {};
        this._deeplinkUpdater = deeplinkUpdater;
    }

    initWidget(config, preventViewCounting = false) {
        if (config && config.widgetId) {
            const widget = new Widget(config, this);
            this.widgets[config.widgetId] = widget.initialize();
            this.widgets[config.widgetId].then(widget => {
              Observer.trigger(EVENTS.WIDGET_INIT, {widgetId: config.widgetId});

              // First of all, this is a restriction on the count of views for textback settings page ( = for widget preview)
              if (preventViewCounting) return;

              this.countWidgetView(widget);
            }, err => console.error(err));
            return this.widgets[config.widgetId];
        } else {
            throw new Error('Widget id is not defined');
        }
    }

    countWidgetView(widget) {
        return fetch(`${widget.initialConfig.apiPath}/endUserNotifications/subscriptions/notificationWidget/views`, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json'
            },
            body: JSON.stringify({
                'accountId': widget.config.accountId,
                'widgetId': widget.id
            })
        }).then(apiErrorHandler);
    }

    getWidget(widgetId) {
        return this.widgets[widgetId] ? this.widgets[widgetId] : null;
    }

    on(eventName, fn) {
        return Observer.on(eventName, fn);
    }

    getDeeplinkUpdater(widgetId) {
        let _getWidget = this.widgets[widgetId];

        if (!_getWidget) return null;

        return _getWidget.then(x => {
            return this._deeplinkUpdater(
                x.initialConfig.apiPath,
                x.deeplink.split('_')[1]
            );
        });
    }
}