public JsonResult GetPatient(Guid patientId)
{
if (patientId == Guid.Empty)
{
return this.SerializeJsonResponse<Patient>(ResponseCode.KnownError, null, "Invalid patient id");
}
try
{
using (var dataProvider = new RemoteHealthDataProvider())
{
var patientQuery = from p in dataProvider.Patients where p.PatientId == patientId select p ;
var foundPatient = patientQuery.FirstOrDefault();
if (foundPatient != null)
{
return this.SerializeJsonResponse<Patient>(ResponseCode.Success, foundPatient, null);
}
else
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.Success, null, "Patient not found");
}
}
}
catch
{
//TODO(muz): log
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.UnknownError, null, null);
}
}
public JsonResult Search(string lastName, string firstName, string dateOfBirth, string governmentId, string dateOfVisit, string visitLocation)
{
if (string.IsNullOrEmpty(lastName) && string.IsNullOrEmpty(firstName) && string.IsNullOrEmpty(dateOfBirth) && string.IsNullOrEmpty(governmentId) && string.IsNullOrEmpty(dateOfVisit) && string.IsNullOrEmpty(visitLocation))
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.KnownError, null, "Invalid search parameters");
}
DateTime? dob = null;
if (!DataUtility.ParseDate(dateOfBirth, out dob))
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.KnownError, null, "Invalid date of birth");
}
DateTime? visitDate = null;
if (!DataUtility.ParseDate(dateOfVisit, out visitDate))
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.KnownError, null, "Invalid visit date");
}
try
{
using (var dataProvider = new RemoteHealthDataProvider())
{
List<Patient> foundPatients = FindPatients(dataProvider, lastName, firstName, dob);
if (foundPatients != null && foundPatients.Count > 0)
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.Success, foundPatients, null);
}
else
{
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.Success, null, "No results found");
}
}
}
catch
{
//TODO(muz): log
return this.SerializeJsonResponse<List<Patient>>(ResponseCode.UnknownError, null, null);
}
}
private static List<Patient> FindPatients(RemoteHealthDataProvider dataProvider, string lastName, string firstName, DateTime? dob)
{
var patients = from p in dataProvider.Patients select p;
if (!string.IsNullOrEmpty(lastName))
{
patients = patients.Where(p => p.LastName.Equals(lastName, StringComparison.OrdinalIgnoreCase));
}
if (!string.IsNullOrEmpty(firstName))
{
patients = patients.Where(p => p.FirstName.Equals(firstName, StringComparison.OrdinalIgnoreCase));
}
if (dob.HasValue)
{
patients = patients.Where(p => p.DateOfBirth >= dob.Value);
}
/*
if (!string.IsNullOrEmpty(governmentId))
{
patients = patients.Where(p => p.GovernmentId.Equals(governmentId, StringComparison.OrdinalIgnoreCase));
}
* */
return patients.ToList();
}
