Pointfree Demo 03

pointfree03.js

var data = {
    result: "SUCCESS",
    interfaceVersion: "1.0.3",
    requested: "10/17/2013 15:31:20",
    lastUpdated: "10/16/2013 10:52:39",
    tasks: [
        {id: 104, complete: false,            priority: "high",
                  dueDate: "2013-11-29",      username: "Scott",
                  title: "Do something",      created: "9/22/2013"},
        {id: 105, complete: false,            priority: "medium",
                  dueDate: "2013-11-22",      username: "Lena",
                  title: "Do something else", created: "9/22/2013"},
        {id: 107, complete: true,             priority: "high",
                  dueDate: "2013-11-22",      username: "Mike",
                  title: "Fix the foo",       created: "9/22/2013"},
        {id: 108, complete: false,            priority: "low",
                  dueDate: "2013-11-15",      username: "Punam",
                  title: "Adjust the bar",    created: "9/25/2013"},
        {id: 110, complete: false,            priority: "medium",
                  dueDate: "2013-11-15",      username: "Scott",
                  title: "Rename everything", created: "10/2/2013"},
        {id: 112, complete: true,             priority: "high",
                  dueDate: "2013-11-27",      username: "Lena",
                  title: "Alter all quuxes",  created: "10/5/2013"}
        // , ...
    ]
};

var fetchData = function () {
  return Promise.resolve(data);
};

var getIncompleteTaskSummaries = function(membername) {
  return fetchData()
    .then(R.prop('tasks'))
    .then(R.filter(R.propEq('username', membername)))
    .then(R.reject(R.propEq('complete', true)))
    .then(R.map(R.pick(['id', 'dueDate', 'title', 'priority'])))
    .then(R.sortBy(R.prop('dueDate')));
};

getIncompleteTaskSummaries('Scott').then(r => console.log(r));