public static bool ParseCsv(HttpPostedFileBase upload, long pharmacyId)
        {
            //Check if valid file was uploaded
            if (upload != null && upload.ContentLength > 0 && upload.FileName.EndsWith(".csv"))
            {
                //Convert binary file received from request into text
                var textdata = string.Empty;
                using (BinaryReader b = new BinaryReader(upload.InputStream)) {
                    var binData = b.ReadBytes(upload.ContentLength);
                    textdata = Encoding.UTF8.GetString(binData);
                }

                //Get list of patients from database for comparison
                var patients    = new Dictionary <string, Patient>();
                var patientlist = DatabasePatientService.GetAll(pharmacyId);
                foreach (var p in patientlist)
                {
                    p.LoadUserData();
                    patients.Add(p.PersonCode, p);
                }

                //Interate over each line of text in the file
                var text = new StringReader(textdata);
                var line = string.Empty;

                //Remove headers from file
                text.ReadLine();

                while ((line = text.ReadLine()) != null)
                {
                    var row = line.Split(',');

                    //Check if patient exists
                    try {
                        var dateNow = DateTime.Now;

                        Patient patient = new Patient()
                        {
                            PersonCode  = row[0],
                            FirstName   = row[1],
                            LastName    = row[2],
                            DateOfBirth = DateTime.ParseExact(row[3], "yyyyMMdd", null),
                            Phone       = row[5],
                            Email       = row[6],
                            PharmacyId  = pharmacyId
                        };
                        if (patients.ContainsKey(row[0]))
                        {
                            //Update patient

                            var oldPatient = patients[row[0]];

                            patient.UserId              = oldPatient.UserId;
                            patient.PatientId           = patients[row[0]].PatientId;
                            patient.Type                = oldPatient.Type;
                            patient.UserLogin           = oldPatient.UserLogin;
                            patient.ContactMethod       = oldPatient.ContactMethod;
                            patient.PreferedContactTime = oldPatient.PreferedContactTime;
                            patient.SendBirthdayMessage = oldPatient.SendBirthdayMessage;
                            patient.SendRefillMessage   = oldPatient.SendRefillMessage;
                            DatabaseUserService.Update(patient);
                            DatabasePatientService.Update(patient);
                            DatabaseUserService.Enable(patient.PatientId);
                            DatabasePatientService.Enable(patient.PatientId);
                        }
                        else
                        {
                            //Create patient
                            patient.PreferedContactTime = new DateTime(dateNow.Year, dateNow.Month, dateNow.Day, 15, 0, 0);
                            patient.UserId    = DatabaseUserService.Insert(patient);
                            patient.PatientId = DatabasePatientService.Insert(patient);
                        }

                        //Check if prescription exists
                        try {
                            var prescriptionId = Convert.ToInt32(row[8]);
                            var prescription   = new Prescription()
                            {
                                PrescriptionDateFilled = DateTime.ParseExact(row[7], "yyyyMMdd", null),
                                PrescriptionNumber     = prescriptionId,
                                PrescriptionId         = prescriptionId,
                                PrescriptionDaysSupply = Convert.ToInt32(row[9]),
                                PrescriptionRefills    = Convert.ToInt32(row[10]),
                                PrescriptionUpc        = row[11],
                                PrescriptionName       = row[12],
                                PatientId = patient.PatientId
                            };

                            DatabasePrescriptionService.InsertOrUpdate(prescription);

                            if (DatabaseRefillService.GetByPrescriptionId(prescription.PrescriptionId) == null)
                            {
                                var refill = new Refill(prescription)
                                {
                                };
                                DatabaseRefillService.Insert(refill);
                            }
                        } catch (Exception e) {
                            //Ignore prescriptions that fail the model building
                        }
                    } catch (Exception e) {
                        //Do not add patients which fail the model building
                    }
                }
                return(true);
            }
            return(false);
        }