public FhirSpecificationDefinitionLoader(ILog ILog,
IUnitOfWork IUnitOfWork,
IRequestMetaFactory IRequestMetaFactory,
IResourceTriggerService IResourceTriggerService,
IBundleTransactionOperationFactory IBundleTransactionOperationFactory,
IFhirSpecificationDefinitionLoaderParameters IFhirSpecificationDefinitionLoaderParameters,
IFhirTaskTool IFhirTaskTool,
Common.PyroHealthFhirResource.CodeSystems.IPyroFhirServer IPyroFhirServerCodeSystem)
{
this.ILog = ILog;
this.IUnitOfWork = IUnitOfWork;
this.IRequestMetaFactory = IRequestMetaFactory;
this.IResourceTriggerService = IResourceTriggerService;
this.IBundleTransactionOperationFactory = IBundleTransactionOperationFactory;
this.IFhirSpecificationDefinitionLoaderParameters = IFhirSpecificationDefinitionLoaderParameters;
this.IFhirTaskTool = IFhirTaskTool;
this.IPyroFhirServerCodeSystem = IPyroFhirServerCodeSystem;
}
private bool LoadFromZip(IFhirSpecificationDefinitionLoaderParameters Parameters)
{
bool OneFileCompleted = false;
Stream FileStream = new MemoryStream(Common.CommonResource.definitions_xml);
try
{
using (ZipArchive Archive = new ZipArchive(FileStream))
{
foreach (ZipArchiveEntry Entry in Archive.Entries)
{
if (Entry.FullName.EndsWith(".xml", StringComparison.OrdinalIgnoreCase))
{
//Skip loading the search-parameters as they are always loaded by a separate task, see : SearchParameterResourceLoader
if (!Entry.FullName.Equals("search-parameters.xml", StringComparison.OrdinalIgnoreCase))
{
//Pick processing from where it was last left off
if (!Parameters.FileCompletedList.Contains(Entry.FullName) || Parameters.FileCompletedList.Count == 0)
{
Parameters.FileInProgress = Entry.FullName;
if (OneFileCompleted)
{
//We only want to do one file in the ZIP package at a time but we want the name of the next file to process
//This is why this is here.
//Yes I know we are unzipping the file many times but this is better that staring all over again each time we don not get to finish the entire set.
Parameters.FileInProgress = Entry.FullName;
return(true);
}
Stream StreamItem = Entry.Open();
using (StreamItem)
{
try
{
var buffer = new MemoryStream();
StreamItem.CopyTo(buffer);
buffer.Seek(0, SeekOrigin.Begin);
System.Xml.XmlReader XmlReader = SerializationUtil.XmlReaderFromStream(buffer);
Resource Resource = Common.Tools.FhirResourceSerializationSupport.DeSerializeFromXml(XmlReader);
if (Resource is Bundle Bundle)
{
if (ConvertToTransactionBundle(Bundle, Entry.FullName))
{
if (CommitTransactionBundle(Bundle, Entry.FullName))
{
Parameters.FileCompletedList.Add(Entry.FullName);
Parameters.TaskStatus = Hl7.Fhir.Model.Task.TaskStatus.InProgress;
OneFileCompleted = true;;
}
else
{
string ErrorMessage = $"Internal Server Error: FHIR specification resource bundle named {Entry.FullName} from the FHIR specification zip file named: {_ZipFileName} was unable to be committed as a transaction bundle. See server logs for more info.";
ILog.Error(ErrorMessage);
Parameters.FileInError = Entry.FullName;
Parameters.ErrorMessage = ErrorMessage;
return(false);
}
}
else
{
string ErrorMessage = $"Internal Server Error: Unable to convert the FHIR specification resource bundle named {Entry.FullName} from the FHIR specification zip file named: {_ZipFileName}. See server logs for more info.";
ILog.Error(ErrorMessage);
Parameters.FileInError = Entry.FullName;
Parameters.ErrorMessage = ErrorMessage;
return(false);
}
}
}
catch (PyroException PyroExec)
{
string ErrorMessage = $"Internal Server Error: Exception thrown when DeSerializing FHIR resources from the FHIR specification zip file named: {_ZipFileName}. See server logs for more info.";
ILog.Error(PyroExec, ErrorMessage);
Parameters.FileInError = Entry.FullName;
Parameters.ErrorMessage = ErrorMessage;
return(false);
}
}
}
}
}
}
}
}
catch (Exception Exec)
{
string ErrorMessage = $"Internal Server Error: Exception thrown when unzipping FHIR specification zip file named: {_ZipFileName}.";
Parameters.ErrorMessage = ErrorMessage;
Parameters.TaskStatus = Hl7.Fhir.Model.Task.TaskStatus.Failed;
ILog.Error(Exec, ErrorMessage);
return(false);
}
//no errors after all processed so return true.
//Completed to end so reset all parameters for return.
Parameters.FileInProgress = string.Empty;
Parameters.TaskStatus = Hl7.Fhir.Model.Task.TaskStatus.Completed;
Parameters.ErrorMessage = string.Empty;
Parameters.FileInError = string.Empty;
return(true);
}
