Dynamic CSV File Failing

csvexample.js

            processCSV:function (filename) {
                if (filename.indexOf("download") !== -1) {

                    console.log('Here: ' + filename);

                    var jsonObj = [];

                    csv()
                        .fromPath(__dirname + '/csv/' + filename, {
                            columns:true
                        })
                        .on('data', function (data) {
                            if (data['E-mail Address'] !== null && data['First Name'] !== null) {

                                if(data['Last Name'] !== null) {
                                    jsonObj.push({'name':data['First Name'] + ' ' + data['Last Name'], 'email':data['E-mail Address']});
                                } else {
                                    jsonObj.push({'name':data['First Name'], 'email':data['E-mail Address']});
                                }
                            }
                        })
                        .on('error',function(error){
                            console.log(error.message);
                        })
                        .on('end', function () {
                            getContacts.returnObject(jsonObj, filename);
                        });

                } else if (filename == 'ERROR') {
                    console.log('Unable to get contacts');
                } else if (filename == 'TIMEOUT') {
                    console.log('Unfortunately, your request timed out');
                }
            },