Baas and Parse Homework

(function() {
    var data;
    var url = 'https://www.parse.com/1/classes';
    var headers = {
        'X-Parse-REST-API-Key': 'sukxawLKr4aGfm71iZRuzDQbqIx4idO1FmOXp0l6',
        'X-Parse-Application-Id' : 'HgGJ0tt0Pa1oEpxLUw4nGJYYzvoPOlQZNzPruOzN'
    }
    function POST(extraUrl, data) {
        $.ajax({
            method: 'POST',
            headers: headers,
            data: JSON.stringify(data),
            url: url + extraUrl
        }).success(function () {
            console.log('item added');
        });
    }

    function PUT(extraUrl, id) {
        var name = prompt('Name of country:');
        data = {
            name: name
        }
        $.ajax({
            method: 'PUT',
            headers: headers,
            data: JSON.stringify(data),
            url: url + extraUrl + '/' + id
        }).success(function (data) {
            console.log('item updated');
        });
    }

    function GET(extraUrl) {
        $.ajax({
            method: 'GET',
            headers: headers,
            async: false,
            url: url + extraUrl
        }).success(function (result) {
            data = result;
        });
    }

    function DELETE(extraUrl, id) {
        $.ajax({
            method: 'DELETE',
            headers: headers,
            url: url + extraUrl + '/' + id
        }).success(function () {
            console.log('item deleted');
        });
    }

    function showCountries() {
        var extraUrl = '/Country';
        GET(extraUrl);
        var ol = $('<ol>');
        for (var i = 0; i < data.results.length; i++) {
            var countryName = data.results[i].name;
            var id = data.results[i].objectId;
            var li = $('<li>').text(countryName);
            var btnDelete = $('<button>').text('DELETE').click(function () {
                DELETE(extraUrl, '/' + id);
            });
            var btnEdit = $('<button>').text('EDIT').click(function () {
                PUT(extraUrl, '/' + id);
            });

            btnDelete.appendTo(li);
            btnEdit.appendTo(li);
            li.appendTo(ol);
        }
        $('#wrapper').append(ol);
    }

    showCountries();
}())