public static async Task <object> Run([HttpTrigger("post")] HttpRequestMessage req, TraceWriter log)
{
log.Info($"{nameof(PatientAdmissionFunc)} triggered on {DateTime.UtcNow}");
using (var patientTelemetry =
new PatientTelemetry(Environment.GetEnvironmentVariable(CommonConstants.InstumentationKey,
EnvironmentVariableTarget.Process),
nameof(PatientAdmissionFunc)))
{
try
{
var userIdentity = req.GetRequestContext().Principal.Identity as ClaimsIdentity;
var authorization = new ADAuthorization(userIdentity);
patientTelemetry.Caller(authorization.GetCallerName());
if (false == await authorization.Authorize(CommonConstants.CareLineManagerRole))
{
patientTelemetry.Unauthorized();
return(req.CreateResponse(HttpStatusCode.Unauthorized, new
{
result = $"Unauthorized {HttpStatusCode.Unauthorized}"
}));
}
// Get request data
dynamic data = await req.Content.ReadAsAsync <object>();
if (data == null)
{
return(req.CreateResponse(HttpStatusCode.BadRequest, new
{
result = "bad request"
}));
}
// convert the input to the corresponding objects
InPatient inPatient = data.patient.ToObject <InPatient>();
Encounter encounter = data.encounter.ToObject <Encounter>();
List <Observation> observations = data.observations.ToObject <List <Observation> >();
List <Condition> conditions = data.conditions.ToObject <List <Condition> >();
//get resource from key vault
var appResources = await Settings.GetAppResources();
new SqlEncryptionHelper();
//get patient data from FHIR data
var patient = FHIRMapping.PopulatePatientData(inPatient, encounter, observations, conditions);
try
{
var predictLengthOfStayService =
new PredictLengthOfStayService(appResources.PredictLengthOfStayServiceEndpoint,
appResources.PredictLengthOfStayServiceApiKey);
patientTelemetry.DependencyStarted();
patient.PredictedLengthOfStay = await predictLengthOfStayService.PredictLengthOfStay(patient);
patientTelemetry.DependencyCompleted(nameof(PredictLengthOfStayService),
"PredictLengthOfStay", true);
}
catch (PredictLengthOfStayServiceException ex)
{
patientTelemetry.DependencyCompleted(nameof(PredictLengthOfStayService),
"PredictLengthOfStay", false);
patientTelemetry.Error(ex);
}
var hospital = new Hospital(appResources.PatientDbConnectionString);
var id = await hospital.AdmitPatient(patient);
if (id == -1)
{
return(req.CreateResponse(HttpStatusCode.OK, new
{
result = "invalid encounter id"
}));
}
var existingPatient = await hospital.GetPatient(id);
patientTelemetry.Success();
return(req.CreateResponse(HttpStatusCode.OK, new
{
encounterId = existingPatient.Eid,
name = $"{existingPatient.FirstName} {existingPatient.MiddleName} {existingPatient.LastName}",
gender = existingPatient.Gender,
admittedOn = existingPatient.Vdate
}));
}
catch (AuthorizationException ex)
{
patientTelemetry.Error(ex);
return(req.CreateResponse(HttpStatusCode.ExpectationFailed, new
{
error = ex.Message
}));
}
catch (Exception ex)
{
patientTelemetry.Error(ex);
return(req.CreateResponse(HttpStatusCode.InternalServerError, new
{
result = "failed"
}));
}
}
}
public static async Task <object> Run([HttpTrigger("put")] HttpRequestMessage req, TraceWriter log)
{
log.Info($"{nameof(PatientDischargeFunc)} triggered on {DateTime.UtcNow}");
using (var patientTelemetry =
new PatientTelemetry(
Environment.GetEnvironmentVariable(CommonConstants.InstumentationKey, EnvironmentVariableTarget.Process),
nameof(PatientDischargeFunc)))
{
try
{
//authorize user
var userIdentity = req.GetRequestContext().Principal.Identity as ClaimsIdentity;
var authorization = new ADAuthorization(userIdentity);
patientTelemetry.Caller(authorization.GetCallerName());
if (false == await authorization.Authorize(CommonConstants.CareLineManagerRole))
{
patientTelemetry.Unauthorized();
return(req.CreateResponse(HttpStatusCode.Unauthorized, new
{
result = $"Unauthorized {HttpStatusCode.Unauthorized}"
}));
}
// Get request data
dynamic data = await req.Content.ReadAsAsync <object>();
if (data == null)
{
return(req.CreateResponse(HttpStatusCode.BadRequest, new
{
result = "bad request"
}));
}
// convert the input to the corresponding objects
InPatient inPatient = data.patient.ToObject <InPatient>();
Encounter encounter = data.encounter.ToObject <Encounter>();
int patientEid = encounter.Id;
//get resources from key vault
var appResources = await Settings.GetAppResources();
new SqlEncryptionHelper();
patientTelemetry.DischargingPatient();
var hospital = new Hospital(appResources.PatientDbConnectionString);
var id = await hospital.DischargePatient(patientEid, encounter.Period.End);
if (id == -1)
{
return(req.CreateResponse(HttpStatusCode.OK, new
{
error = "invalid encounter id"
}));
}
var existingPatient = await hospital.GetPatient(id);
patientTelemetry.PatientDischarged();
patientTelemetry.Success();
return(req.CreateResponse(HttpStatusCode.OK, new
{
encounterId = existingPatient.Eid,
name = $"{existingPatient.FirstName} {existingPatient.MiddleName} {existingPatient.LastName}",
dischargedOn = existingPatient.Discharged,
daysStayed = existingPatient.Lengthofstay
}));
}
catch (AuthorizationException ex)
{
patientTelemetry.Error(ex);
return(req.CreateResponse(HttpStatusCode.ExpectationFailed, new
{
ex.Message
}));
}
catch (Exception ex)
{
patientTelemetry.Error(ex);
return(req.CreateResponse(HttpStatusCode.InternalServerError, new
{
result = "failed"
}));
}
}
}