sap.ui.define([
    "sap/ui/core/mvc/Controller",
    "sap/ui/model/json/JSONModel",
    "sap/ui/model/Filter",
    "sap/ui/model/FilterOperator"
], (Controller, JSONModel, Filter, FilterOperator) => {
        "use strict";

        return Controller.extend("ui5.walkthrough.controller.InvoiceList", {
            onInit() {
                const oViewModel = new JSONModel({
                    currency: "EUR"
                });
                this.getView().setModel(oViewModel, "view");
            },

            onFilterInvoices(oEvent) {
                // build filter array
                const aFilter = [];
                const sQuery = oEvent.getParameter("query");
                if(sQuery) {
                    aFilter.push(new Filter("ProductName", FilterOperator.Contains, sQuery));                    
                }

                // filter binding
                const oList = this.byId("invoiceList");
                const oBinding = oList.getBinding("items");
                oBinding.filter(aFilter);
            },

            onPress() {
                const oRouter = this.getOwnerComponent().gtRouter();
                oRouter.navTo("detail");
            }

        });
});