yandex.get.city.js

window.cities = [];

$('#get-geo').on('click', function (e) {
    e.preventDefault();

    var $list = $('#ccc li');

    $list.each(function (index, el) {
        var $that = $(el),
            name = $that.find('p').html(),
            id_city = $that.attr('data-id');

        ymaps.geocode(name, { results: 1 }).then(function (res) {

            try{
                var firstGeoObject = res.geoObjects.get(0),
                    coord = firstGeoObject.geometry.getCoordinates();

                if (coord.length) {
                    $that.find('.x').html(coord[0]);
                    $that.find('.y').html(coord[1]);

                    window.cities.push({id: id_city, latitude: coord[0], longitude: coord[1]});
                }
            } catch(e){
                console.log('Error: ' + name);
            }


        }, function (err) {
            // Если геокодирование не удалось, сообщаем об ошибке.
            alert(err.message);
        });
    });
});

$('#set-geo').on('click', function (e) {
    e.preventDefault();

    $.ajax({
        dataType: "json",
        type: "post",
        url: "index.php?option=com_gate&controller=location&task=update_geo",
        data: {cities: window.cities},
        success: function (resp) {
            window.location.reload();
        }
    });
});