ui5_easy_use/dist/ez5/package-content/auth/content/PagesAccess.js

CLI tool for SAP ui5 and SAPUI5 projects to initialize apps, generate pages, insert form and table components, manage routing, and automate i18n bindings

sap.ui.define([], function () {
    "use strict";

    return class PagesAccess {
        constructor(component) {
            this._componentJS = component;
            this.accessControl = this._componentJS.accessControl;
            this.authorizedPages = [];
            this.setNavAndRulesNav();
        }

        setNavAndRulesNav() {
            this.rulesNavList = this._getModelData("rulesNavList");
            this.navList = this._getModelData("navList");
        }

        setAuthorizedPages() {
            this.authorizedPages = [];
            const roles = this.rulesNavList.roles || {};

            Object.keys(roles).forEach(function (routeKey) {
                if (this.accessControl.canAccess(roles[routeKey])) {
                    this.authorizedPages.push(routeKey);
                }
            }, this);
        }

        _onRouteMatched(oEvent) {
            const routeName = oEvent.getParameter("name");
            if (!this.authorizedPages.includes(routeName)) {
                this.redirectToHome();
            }
        }

        redirectToHome() {
            sap.m.MessageToast.show("Access Denied! You don't have permission to access this view!!!");
            this._componentJS.getRouter().navTo("RouteHome");
        }

        setAuthorizedNavigation() {
            const filteredNavs = this.filterNavigation();
            const navListModel = this._componentJS.getModel("navList");
            if (navListModel) {
                navListModel.setProperty("/navigation", filteredNavs.navigation);
            }

            return filteredNavs;
        }

        filterNavigation() {
            return {
                navigation: this._filterNavigationItems(this.navList.navigation || [])
            };
        }

        _filterNavigationItems(items) {
            return (items || []).reduce(function (authorizedItems, item) {
                const filteredChildren = this._filterNavigationItems(item.items || []);
                if (this.authorizedPages.includes(item.key) || filteredChildren.length > 0) {
                    authorizedItems.push(Object.assign({}, item, filteredChildren.length ? { items: filteredChildren } : {}));
                }

                return authorizedItems;
            }.bind(this), []);
        }

        _getModelData(modelName) {
            const model = this._componentJS.getModel(modelName);
            return model ? model.getData() : {};
        }
    };
});