/// <summary>
/// Searches a resource from the client registry datastore
/// </summary>
public Bundle SearchResource(string resourceType)
{
this.ThrowIfNotReady();
// Get the services from the service registry
var auditService = ApplicationContext.Current.GetService(typeof(IAuditorService)) as IAuditorService;
// Stuff for auditing and exception handling
AuditData audit = null;
List <IResultDetail> details = new List <IResultDetail>();
FhirQueryResult result = null;
try
{
// Get query parameters
var queryParameters = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.QueryParameters;
var resourceProcessor = FhirResourceHandlerUtil.GetResourceHandler(resourceType);
// Setup outgoing content
WebOperationContext.Current.OutgoingRequest.Headers.Add("Last-Modified", DateTime.Now.ToString("ddd, dd MMM yyyy HH:mm:ss zzz"));
if (resourceProcessor == null) // Unsupported resource
{
throw new FileNotFoundException();
}
// TODO: Appropriately format response
// Process incoming request
result = resourceProcessor.Query(WebOperationContext.Current.IncomingRequest.UriTemplateMatch.QueryParameters);
if (result == null || result.Outcome == ResultCode.Rejected)
{
throw new InvalidDataException("Message was rejected");
}
else if (result.Outcome != ResultCode.Accepted)
{
throw new DataException("Query failed");
}
audit = AuditUtil.CreateAuditData(result.Results);
// Create the Atom feed
return(MessageUtil.CreateBundle(result));
}
catch (Exception e)
{
audit = AuditUtil.CreateAuditData(null);
audit.Outcome = OutcomeIndicator.EpicFail;
return(this.ErrorHelper(e, result, true) as Bundle);
}
finally
{
if (auditService != null)
{
auditService.SendAudit(audit);
}
}
}
/// <summary>
/// Delete a resource
/// </summary>
public DomainResourceBase DeleteResource(string resourceType, string id, string mimeType)
{
this.ThrowIfNotReady();
FhirOperationResult result = null;
AuditData audit = null;
IAuditorService auditService = ApplicationContext.Current.GetService(typeof(IAuditorService)) as IAuditorService;
try
{
// Setup outgoing content/
WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.NoContent;
// Create or update?
var handler = FhirResourceHandlerUtil.GetResourceHandler(resourceType);
if (handler == null)
{
throw new FileNotFoundException(); // endpoint not found!
}
result = handler.Delete(id, TransactionMode.Commit);
if (result == null || result.Outcome == ResultCode.Rejected)
{
throw new NotSupportedException();
}
else if (result.Outcome == ResultCode.TypeNotAvailable)
{
throw new FileNotFoundException(String.Format("Resource {0} not found", WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri));
}
else if (result.Outcome != ResultCode.Accepted)
{
throw new DataException("Delete failed");
}
audit = AuditUtil.CreateAuditData(result.Results);
return(null);
}
catch (Exception e)
{
audit = AuditUtil.CreateAuditData(null);
audit.Outcome = OutcomeIndicator.EpicFail;
return(this.ErrorHelper(e, result, false) as DomainResourceBase);
}
finally
{
if (auditService != null)
{
auditService.SendAudit(audit);
}
}
}
/// <summary>
/// Perform a read against the underlying IFhirResourceHandler
/// </summary>
private FhirOperationResult PerformRead(string resourceType, string id, string vid)
{
this.ThrowIfNotReady();
// Get the services from the service registry
var auditService = ApplicationContext.Current.GetService(typeof(IAuditorService)) as IAuditorService;
// Stuff for auditing and exception handling
AuditData audit = null;
List <IResultDetail> details = new List <IResultDetail>();
FhirOperationResult result = null;
try
{
// Get query parameters
var queryParameters = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.QueryParameters;
var resourceProcessor = FhirResourceHandlerUtil.GetResourceHandler(resourceType);
if (resourceProcessor == null) // Unsupported resource
{
throw new FileNotFoundException("Specified resource type is not found");
}
// TODO: Appropriately format response
// Process incoming request
result = resourceProcessor.Read(id, vid);
if (result.Outcome == ResultCode.Rejected)
{
throw new InvalidDataException("Message was rejected");
}
else if (result.Outcome == (ResultCode.NotAvailable | ResultCode.Rejected))
{
throw new FileLoadException(String.Format("Resource {0} is no longer available", WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri));
}
else if (result.Outcome == ResultCode.TypeNotAvailable ||
result.Results == null || result.Results.Count == 0)
{
throw new FileNotFoundException(String.Format("Resource {0} not found", WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri));
}
else if (result.Outcome != ResultCode.Accepted)
{
throw new DataException("Read failed");
}
audit = AuditUtil.CreateAuditData(result.Results);
// Create the result
if (result.Results != null && result.Results.Count > 0)
{
WebOperationContext.Current.OutgoingResponse.LastModified = result.Results[0].Timestamp;
WebOperationContext.Current.OutgoingResponse.Headers.Add("Content-Disposition", String.Format("filename=\"{0}-{1}-{2}.xml\"", resourceType, result.Results[0].Id, result.Results[0].VersionId));
WebOperationContext.Current.OutgoingResponse.ETag = result.Results[0].VersionId;
}
return(result);
}
catch (Exception e)
{
audit = AuditUtil.CreateAuditData(null);
audit.Outcome = OutcomeIndicator.EpicFail;
throw;
}
finally
{
if (auditService != null)
{
auditService.SendAudit(audit);
}
}
}
/// <summary>
/// Create a resource
/// </summary>
public DomainResourceBase CreateResource(string resourceType, string mimeType, DomainResourceBase target)
{
this.ThrowIfNotReady();
FhirOperationResult result = null;
AuditData audit = null;
IAuditorService auditService = ApplicationContext.Current.GetService(typeof(IAuditorService)) as IAuditorService;
try
{
// Setup outgoing content
// Create or update?
var handler = FhirResourceHandlerUtil.GetResourceHandler(resourceType);
if (handler == null)
{
throw new FileNotFoundException(); // endpoint not found!
}
result = handler.Create(target, TransactionMode.Commit);
WebOperationContext.Current.OutgoingResponse.StatusCode = HttpStatusCode.Created;
if (result == null || result.Outcome == ResultCode.Rejected)
{
throw new InvalidDataException("Resource structure is not valid");
}
else if (result.Outcome == ResultCode.AcceptedNonConformant)
{
throw new ConstraintException("Resource not conformant");
}
else if (result.Outcome == ResultCode.TypeNotAvailable)
{
throw new FileNotFoundException(String.Format("Resource {0} not found", WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri));
}
else if (result.Outcome != ResultCode.Accepted)
{
throw new DataException("Create failed");
}
audit = AuditUtil.CreateAuditData(result.Results);
String baseUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.BaseUri.AbsoluteUri;
WebOperationContext.Current.OutgoingResponse.Headers.Add("Content-Location", String.Format("{0}{1}/{2}/_history/{3}", baseUri, resourceType, result.Results[0].Id, result.Results[0].VersionId));
WebOperationContext.Current.OutgoingResponse.LastModified = result.Results[0].Timestamp;
WebOperationContext.Current.OutgoingResponse.ETag = result.Results[0].VersionId;
return(result.Results[0]);
}
catch (Exception e)
{
audit = AuditUtil.CreateAuditData(null);
audit.Outcome = OutcomeIndicator.EpicFail;
return(this.ErrorHelper(e, result, false) as DomainResourceBase);
}
finally
{
if (auditService != null)
{
auditService.SendAudit(audit);
}
}
}
