I'm using Backbone.Marionette's request-response framework to fetch data in collection and then response it to the request object that request it, but obviously it doesn't wait for collection to get populated. And here is my code:

This is where it is requesting the data:

// Module: Timeline, ListController
var employees = App.request('employee:timeline');

and here is where i set my handler:

// Entities Module
App.reqres.setHandler('employee:timeline', function() {
    return API.getEmployeesForTimeline();
});

and here is my API's function:

getEmployeesForTimeline: function() {
    var employees = new Entities.EmployeeCollection();

    employees.fetch({
        success: function(employees) {
            returnEmployees(employees);
        }
    });

    function returnEmployees(employees) {
        // doing some things with employees collection
        return leaves;
    }
}

I'm using Backbone.Marionette's request-response framework to fetch data in collection and then response it to the request object that request it, but obviously it doesn't wait for collection to get populated. And here is my code:

This is where it is requesting the data:

// Module: Timeline, ListController
var employees = App.request('employee:timeline');

and here is where i set my handler:

// Entities Module
App.reqres.setHandler('employee:timeline', function() {
    return API.getEmployeesForTimeline();
});

and here is my API's function:

getEmployeesForTimeline: function() {
    var employees = new Entities.EmployeeCollection();

    employees.fetch({
        success: function(employees) {
            returnEmployees(employees);
        }
    });

    function returnEmployees(employees) {
        // doing some things with employees collection
        return leaves;
    }
}

• javascript
• backbone.js
• fetch
• marionette
• backbone.js-collections

Share Improve this question Follow edited Oct 8, 2013 at 12:46 Nikhil Agrawal 26.6k2121 gold badges9393 silver badges127127 bronze badges asked Aug 27, 2013 at 14:18 fre2akfre2ak 32922 gold badges88 silver badges1818 bronze badges

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1 Answer 1

Sorted by: Reset to default 8

Use a promise to pass the results back:

getEmployeesForTimeline: function() {
    var employees = new Entities.EmployeeCollection();
    var deferred = $.Deferred();
    employees.fetch({
        success: deferred.resolve
    });

    return deferred.promise();
}

// Entities Module: UNCHANGED
App.reqres.setHandler('employee:timeline', function() {
    return API.getEmployeesForTimeline();
});

//request data
var promise = App.request('employee:timeline');
promise.done(function(employees){
    //use employees
});