/// <summary>
/// Render the object
/// </summary>
public void Render(XElement element, XmlWriter writer, IRenderContext context)
{
var resourceType = new ModelSerializationBinder().BindToType(String.Empty, element.Attribute("resource")?.Value);
if (resourceType == null)
{
writer.WriteStartElement("span");
writer.WriteAttributeString("style", "color:red");
writer.WriteString($"{element.Attribute("resource")?.Value} not valid");
writer.WriteEndElement();
}
else
{
var render = element.Attribute("render")?.Value;
var identifier = ReportViewUtil.GetValue(context, element.Value);
if (identifier != null)
{
var dpType = typeof(IDataPersistenceService <>).MakeGenericType(resourceType);
var dpService = ApplicationServiceContext.Current.GetService(dpType) as IDataPersistenceService;
var key = identifier is Guid || identifier is Guid? ? (Guid)identifier : Guid.Parse(identifier.ToString());
var instance = dpService.Get(key);
if (instance == null)
{
writer.WriteComment($"{resourceType.Name}/{key} not found");
}
else if (!String.IsNullOrEmpty(render))
{
var selKey = $"{resourceType.Name}.{render}";
if (!this.m_selectors.TryGetValue(selKey, out Delegate selDelegate))
{
selDelegate = QueryExpressionParser.BuildPropertySelector(resourceType, render).Compile();
this.m_selectors.TryAdd(selKey, selDelegate);
}
writer.WriteString(selDelegate.DynamicInvoke(instance)?.ToString());
}
else
{
writer.WriteString(instance?.ToString());
}
}
}
}
/// <summary>
/// Send query to master target
/// </summary>
private List <Patient> SendQuery(NameValueCollection originalQuery, int count, out int totalResults)
{
// Map reverse
var parmMap = s_map.Map.FirstOrDefault(o => o.Trigger == "Q22");
List <KeyValuePair <Hl7QueryParameterMapProperty, object> > parameters = new List <KeyValuePair <Hl7QueryParameterMapProperty, object> >();
foreach (var kv in originalQuery)
{
var rmap = parmMap.Parameters.Find(o => o.ModelName == kv.Key);
if (rmap == null)
{
// Is the value a UUID? If so, it may be an identifier we can use
if (Guid.TryParse(kv.Value.First(), out Guid uuid))
{
// What is the type of this property
var property = QueryExpressionParser.BuildPropertySelector <Patient>(kv.Key);
if (property == null)
{
throw new InvalidOperationException($"{kv.Key} is not valid on Patient");
}
// Is there a classifier? We need it for querying a guaranteed unique property
var preferred = property.Body.Type.GetCustomAttribute <ClassifierAttribute>()?.ClassifierProperty;
if (String.IsNullOrEmpty(preferred))
{
throw new InvalidOperationException($"{property.Body.Type} does not have a ClassifierAttribute");
}
var idp = typeof(IDataPersistenceService <>).MakeGenericType(property.Body.Type);
var ids = ApplicationServiceContext.Current.GetService(idp) as IDataPersistenceService;
if (ids == null)
{
throw new InvalidOperationException($"{idp} not found");
}
var value = ids.Get(uuid);
var match = property.Body.Type.GetProperty(preferred).GetValue(value);
preferred = property.Body.Type.GetProperty(preferred).GetSerializationName();
// Get the parmaeter map for this classifier
rmap = parmMap.Parameters.Find(o => o.ModelName == $"{kv.Key}.{preferred}");
if (rmap != null)
{
parameters.Add(new KeyValuePair <Hl7QueryParameterMapProperty, object>(rmap, match));
}
else
{
continue;
}
}
else
{
continue;
}
}
else
{
parameters.Add(new KeyValuePair <Hl7QueryParameterMapProperty, object>(rmap, kv.Value));
}
}
if (parameters.Count == 0)
{
parameters.Add(new KeyValuePair <Hl7QueryParameterMapProperty, object>(parmMap.Parameters.FirstOrDefault(o => o.Hl7Name == "@PID.33"), DateTime.MinValue.AddDays(10)));
}
// Construct the basic QBP_Q22
QBP_Q21 queryRequest = new QBP_Q21();
var endpoint = this.Configuration.Endpoints.First();
queryRequest.MSH.SetDefault(endpoint.ReceivingDevice, endpoint.ReceivingFacility, endpoint.SecurityToken);
queryRequest.MSH.MessageType.MessageStructure.Value = "QBP_Q21";
queryRequest.MSH.MessageType.TriggerEvent.Value = "Q22";
queryRequest.MSH.MessageType.MessageCode.Value = "QBP";
queryRequest.GetSFT(0).SetDefault();
queryRequest.RCP.QuantityLimitedRequest.Units.Identifier.Value = "RD";
queryRequest.RCP.QuantityLimitedRequest.Quantity.Value = (count).ToString();
queryRequest.QPD.MessageQueryName.Identifier.Value = "Q22";
queryRequest.QPD.MessageQueryName.Text.Value = "Find Candidates";
queryRequest.QPD.MessageQueryName.NameOfCodingSystem.Value = "HL7";
Terser tser = new Terser(queryRequest);
int q = 0;
foreach (var qp in parameters)
{
List <String> filter = qp.Value as List <String> ?? new List <String>()
{
qp.Value.ToString()
};
foreach (var val in filter)
{
Terser.Set(queryRequest.QPD, 3, q, 1, 1, qp.Key.Hl7Name);
string dval = val;
while (new String[] { "<", ">", "!", "=", "~" }.Any(o => dval.StartsWith(o)))
{
dval = dval.Substring(1);
}
switch (qp.Key.ParameterType)
{
case "date":
var dt = DateTime.Parse(dval);
switch (dval.Length)
{
case 4:
Terser.Set(queryRequest.QPD, 3, q, 2, 1, dt.Year.ToString());
break;
case 7:
Terser.Set(queryRequest.QPD, 3, q, 2, 1, dt.ToString("yyyyMM"));
break;
case 10:
Terser.Set(queryRequest.QPD, 3, q, 2, 1, dt.ToString("yyyyMMdd"));
break;
default:
Terser.Set(queryRequest.QPD, 3, q, 2, 1, dt.ToString("yyyyMMddHHmmss.fffzzzz").Replace(":", ""));
break;
}
break;
default:
Terser.Set(queryRequest.QPD, 3, q, 2, 1, dval);
break;
}
q++;
}
}
// TODO: Send the query and then maps results
try
{
RSP_K21 response = endpoint.GetSender().SendAndReceive(queryRequest) as RSP_K21;
// Iterate and create responses
totalResults = Int32.Parse(response.QAK.HitCount.Value ?? response.QUERY_RESPONSERepetitionsUsed.ToString());
List <Patient> overr = new List <Patient>();
// Query response
for (int i = 0; i < response.QUERY_RESPONSERepetitionsUsed; i++)
{
var ar = response.GetQUERY_RESPONSE(i);
// Create patient
Bundle patientData = MessageUtils.Parse(ar);
patientData.Reconstitute();
// Does this patient "really" exist?
if (!ar.PID.GetPatientIdentifierList().Any(o => o.AssigningAuthority.NamespaceID.Value == this.m_configuration.LocalAuthority.DomainName) &&
!this.m_retrieveHacks.ContainsKey(patientData.Item.OfType <Patient>().First().Key.Value))
{
var key = this.m_retrieveHacks.FirstOrDefault(o => o.Value.Any(x => x.Value == ar.PID.GetPatientIdentifierList()[0].IDNumber.Value));
var patient = patientData.Item.OfType <Patient>().First();
if (key.Key != Guid.Empty)
{
patient.Key = key.Key;
}
else
{
this.m_retrieveHacks.Add(patient.Key.Value, patient.Identifiers);
}
}
// Now we extract the patient
var pat = patientData.Item.OfType <Patient>().First();
pat.VersionKey = pat.Key;
overr.Add(pat);
}
return(overr);
}
catch (Exception ex)
{
totalResults = 0;
this.m_tracer.TraceEvent(EventLevel.Error, "Error dispatching HL7 query {0}", ex);
throw new HL7ProcessingException("Error dispatching HL7 query", null, null, 0, 0, ex);
}
}
// [PolicyPermission(System.Security.Permissions.SecurityAction.Demand, PolicyId = PermissionPolicyIdentifiers.CreateDevice)]
internal static void QueryData(HdsiQueryParameters parms)
{
if (String.IsNullOrEmpty(parms.ResourceType))
{
throw new ArgumentNullException("Require --resourceType or -r");
}
// Get the type
var type = new ModelSerializationBinder().BindToType(null, parms.ResourceType);
if (type == null)
{
throw new InvalidOperationException($"Cannot find reosurce type {parms.ResourceType}");
}
if (!parms.AsDataSet)
{
Console.WriteLine("Type: {0}", type);
}
// Build the parameter list
NameValueCollection nvc = new NameValueCollection();
if (parms.Filter != null)
{
foreach (var kv in parms.Filter)
{
var f = kv.Split('=');
nvc.Add(f[0], f[1]);
}
}
Int32.TryParse(parms.Offset ?? "0", out int offset);
Int32.TryParse(parms.Count ?? "25", out int count);
if (parms.Display == null)
{
parms.Display = new System.Collections.Specialized.StringCollection()
{
"id", "ToString"
}
}
;
// Get the specified lambda expression
var builderMethod = typeof(QueryExpressionParser).GetGenericMethod(nameof(QueryExpressionParser.BuildLinqExpression), new Type[] { type }, new Type[] { typeof(NameValueCollection) });
var linqExpression = builderMethod.Invoke(null, new object[] { nvc });
if (!parms.AsDataSet)
{
Console.WriteLine("Filter: {0}", linqExpression);
}
// Fetch results
var queryMethod = m_client.GetType().GetGenericMethod(nameof(HdsiServiceClient.Query), new Type[] { type }, new Type[] { linqExpression.GetType(), typeof(int), typeof(int?), typeof(String[]), typeof(Guid?), typeof(ModelSort <>).MakeGenericType(type).MakeArrayType() });
var result = queryMethod.Invoke(m_client, new object[] { linqExpression, offset, count, parms.Expand?.OfType <String>().ToArray(), null, null }) as Bundle;
if (!parms.AsDataSet)
{
Console.WriteLine("Result: {0} .. {1} of {2}", result.Offset, result.Item.Count, result.TotalResults);
var displayCols = parms.Display.OfType <String>().Select(o =>
{
return((Expression <Func <IdentifiedData, Object> >)(col => o == "ToString" ? col.ToString() : QueryExpressionParser.BuildPropertySelector(type, o, true).Compile().DynamicInvoke(col)));
}).ToArray();
DisplayUtil.TablePrint <IdentifiedData>(result.Item, parms.Display.OfType <String>().ToArray(), parms.Display.OfType <String>().Select(o => 40).ToArray(), displayCols);
}
else
{
Dataset ds = new Dataset($"sdbac Dataset for {type} filter {nvc}");
Delegate displaySelector = null;
if (parms.Display.Count > 0)
{
displaySelector = QueryExpressionParser.BuildPropertySelector(type, parms.Display.OfType <String>().FirstOrDefault(), true).Compile();
}
foreach (var itm in result.Item)
{
ds.Action.Add(new DataUpdate()
{
InsertIfNotExists = true,
IgnoreErrors = true,
Element = (IdentifiedData)(displaySelector != null ? displaySelector.DynamicInvoke(itm) : itm)
});
}
m_xsz.Serialize(Console.Out, ds);
}
}
}
/// <summary>
/// Perform the block operation
/// </summary>
private IEnumerable <T> DoBlock <T>(T input, MatchBlock block, IEnumerable <Guid> ignoreKeys, IRecordMatchingDiagnosticSession collector = null) where T : IdentifiedData
{
// Load the persistence service
int tr = 1;
try
{
collector?.LogStartAction(block);
// Perpare filter
var filter = block.Filter;
NameValueCollection qfilter = new NameValueCollection();
foreach (var b in filter)
{
bool shouldIncludeExpression = true;
if (b.When?.Any() == true) // Only include the filter when the conditions are met
{
var guardExpression = b.GuardExpression;
if (guardExpression == null) // not built
{
var parameter = Expression.Parameter(typeof(T));
Expression guardBody = null;
foreach (var whenClause in b.When)
{
var selectorExpression = QueryExpressionParser.BuildPropertySelector <T>(whenClause, true);
if (guardBody == null)
{
guardBody = Expression.MakeBinary(ExpressionType.NotEqual, Expression.Invoke(selectorExpression, parameter), Expression.Constant(null));
}
else
{
guardBody = Expression.MakeBinary(ExpressionType.AndAlso, Expression.Invoke(guardBody, parameter), Expression.MakeBinary(ExpressionType.NotEqual, Expression.Invoke(selectorExpression, parameter), Expression.Constant(null)));
}
}
b.GuardExpression = guardExpression = Expression.Lambda(guardBody, parameter).Compile();
}
shouldIncludeExpression = (bool)guardExpression.DynamicInvoke(input);
}
if (shouldIncludeExpression)
{
var nvc = NameValueCollection.ParseQueryString(b.Expression);
// Build the expression
foreach (var nv in nvc)
{
foreach (var val in nv.Value)
{
qfilter.Add(nv.Key, val);
}
}
}
}
// Do we skip when no conditions?
if (!qfilter.Any())
{
yield break;
}
// Add ignore clauses
if (ignoreKeys?.Any() == true)
{
qfilter.Add("id", ignoreKeys.Select(o => $"!{o}"));
}
if (input.Key.HasValue)
{
qfilter.Add("id", $"!{input.Key}");
}
// Make LINQ query
// NOTE: We can't build and store this since input is a closure
// TODO: Figure out a way to compile this expression once
var linq = QueryExpressionParser.BuildLinqExpression <T>(qfilter, new Dictionary <string, Func <Object> >()
{
{ "input", ((Func <T>)(() => input)) }
}, safeNullable: true, lazyExpandVariables: false);
// Add status keys
if (typeof(IHasState).IsAssignableFrom(typeof(T)))
{
var stateAccess = Expression.MakeMemberAccess(linq.Parameters[0], typeof(T).GetProperty(nameof(IHasState.StatusConceptKey)));
Expression statePart = null;
foreach (var stateKey in StatusKeys.ActiveStates)
{
if (statePart == null)
{
statePart = Expression.MakeBinary(ExpressionType.Equal, stateAccess, Expression.Convert(Expression.Constant(stateKey), typeof(Guid?)));
}
else
{
statePart = Expression.MakeBinary(ExpressionType.OrElse, Expression.MakeBinary(ExpressionType.Equal, stateAccess, Expression.Convert(Expression.Constant(stateKey), typeof(Guid?))), statePart);
}
}
linq = Expression.Lambda <Func <T, bool> >(Expression.MakeBinary(ExpressionType.AndAlso,
statePart, linq.Body), linq.Parameters[0]);
}
this.m_tracer.TraceVerbose("Will execute block query : {0}", linq);
// Query control variables for iterating result sets
var batch = block.BatchSize;
if (batch == 0)
{
batch = 100;
}
// Set the authentication context
using (AuthenticationContext.EnterSystemContext())
{
int ofs = 0;
while (ofs < tr)
{
if (block.UseRawPersistenceLayer)
{
var persistenceService = ApplicationServiceContext.Current.GetService <IDataPersistenceService <T> >();
if (persistenceService == null)
{
throw new InvalidOperationException($"Cannot find persistence service for {typeof(T).FullName}");
}
var records = persistenceService.Query(linq, ofs, batch, out tr, AuthenticationContext.SystemPrincipal);
collector?.LogSample(linq.ToString(), tr);
foreach (var itm in records)
{
yield return(itm);
}
ofs += batch;
}
else
{
var persistenceService = ApplicationServiceContext.Current.GetService <IRepositoryService <T> >();
if (persistenceService == null)
{
throw new InvalidOperationException($"Cannot find persistence service for {typeof(T).FullName}");
}
var records = persistenceService.Find(linq, ofs, batch, out tr);
collector?.LogSample(linq.ToString(), tr);
foreach (var itm in records)
{
if (itm.Key.HasValue &&
itm.Key != input.Key &&
ignoreKeys?.Contains(itm.Key.Value) != true)
{
yield return(itm);
}
}
ofs += batch;
}
if (ofs > 100)
{
collector?.LogSample("too-many-results", tr);
yield break;
}
}
}
}
finally
{
collector?.LogEndAction();
}
}