HelpingHelenaMerchant/www/js/home.js

/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

// Set to true to stop pinging the server for tx status
var stopPaymentCheck = false;

$("#payment-popup").on("popup:close", function () {
    stopPaymentCheck = true;
});

$(".numpad-button").on("click", function () {
    var val = $(this).data("value");
    if (val == "C") {
        $("#amount-box").val("");
        return;
    }

    $("#amount-box").val($("#amount-box").val() + val);
});

$("#showcodebtn").click(function () {
    var amount = $("#amount-box").val() * 1.0;
    if (amount <= 0) {
        app.dialog.alert("Please specify an amount.", "Error");
        return;
    } else if (amount > 999.99) {
        app.dialog.alert("Please specify an amount less than $999.99.", "Error");
        return;
    }
    app.preloader.show();
    makeQrCode(amount, function (ok, msg) {
        app.preloader.hide();
        if (!ok) {
            app.dialog.alert(msg, "Error");
        } else {
            app.popup.open($("#payment-popup"));
        }
    });
});

function makeQrCode(amount, callback) {
    callAPI("gettxcode", {
        key: localStorage.getItem("key"),
        amount: amount
    }, function (data) {
        var typeNumber = 4;
        var errorCorrectionLevel = 'L';
        var qr = qrcode(typeNumber, errorCorrectionLevel);
        qr.addData(SETTINGS['webapp_url'] + '?sendto=' + data.txcode + "&amount=" + data.amount);
        qr.make();
        var svg = qr.createSvgTag({
            margin: 6,
            scalable: true
        });
        var base64 = window.btoa(svg);
        $("#qrcode").attr("src", 'data:image/svg+xml;base64,' + base64);
        $("#pay-amount").text(data.amount.toFixed(2));
        $("#paid-amount").text(data.amount.toFixed(2));
        app.preloader.hide();
        checkPaymentStatus(data.txcode);
        callback(true);
    }, function (msg) {
        callback(false, msg);
    });
}

function checkPaymentStatus(txcode) {
    if (stopPaymentCheck) {
        stopPaymentCheck = false;
        return;
    }
    callAPI("gettxstatus", {
        key: localStorage.getItem("key"),
        txcode: txcode
    }, function (data) {
        if (data.complete == true) {
            app.popup.close($("#payment-popup"));
            app.popup.open($("#paid-popup"));
            $("#amount-box").val("");
        } else {
            setTimeout(function () {
                checkPaymentStatus(txcode);
            }, 15 * 100);
        }
    }, function (msg) {
        app.popup.close($("#payment-popup"));
        app.popup.close($("#paid-popup"));
        app.dialog.alert(msg, "Error");
    });
}