private static IEnumerable<VisitOccurrence> CleanVisitOccurrences(IEnumerable<VisitOccurrence> visitOccurrences, ObservationPeriod[] observationPeriods)
{
foreach (var visitOccurrence in visitOccurrences)
{
if (!visitOccurrence.EndDate.HasValue || visitOccurrence.EndDate < visitOccurrence.StartDate)
visitOccurrence.EndDate = visitOccurrence.StartDate;
var observationPeriod = observationPeriods.FirstOrDefault(op => visitOccurrence.StartDate.Between(op.StartDate, op.EndDate) || visitOccurrence.EndDate.Value.Between(op.StartDate, op.EndDate));
if (observationPeriod == null) continue;
if (visitOccurrence.StartDate < observationPeriod.StartDate)
visitOccurrence.StartDate = observationPeriod.StartDate;
if (visitOccurrence.EndDate > observationPeriod.EndDate)
visitOccurrence.EndDate = observationPeriod.EndDate;
yield return visitOccurrence;
}
}
/// <summary>
/// Projects Enumeration of ProcedureOccurrence from the raw set of ProcedureOccurence entities.
/// During build:
/// override the procedure's start date using the end date of the corresponding visit.
/// overide TypeConceptId per CDM Mapping spec.
/// truncate procedure's dates to the corresponding observation period dates
/// </summary>
/// <param name="procedureOccurrences">raw set of procedure occurrence entities</param>
/// <param name="visitOccurrences">the visit occurrence entities for current person</param>
/// <param name="observationPeriods">the observation period entities for current person</param>
/// <returns>Enumeration of procedure occurrence entities</returns>
public override IEnumerable<ProcedureOccurrence> BuildProcedureOccurrences(ProcedureOccurrence[] procedureOccurrences, Dictionary<long, VisitOccurrence> visitOccurrences, ObservationPeriod[] observationPeriods)
{
var result = new HashSet<ProcedureOccurrence>();
var cost = new Dictionary<ProcedureOccurrence, List<ProcedureCost>>();
var dateClaimTypeDictionary = new Dictionary<DateTime, Dictionary<string, List<IEntity>>>();
var cdProcedures = new List<ProcedureOccurrence>();
var otherProcedures = new List<ProcedureOccurrence>();
foreach (var procedureOccurrence in procedureOccurrences)
{
var visitOccurrence = GetVisitOccurrence(procedureOccurrence);
if (visitOccurrence == null)
continue;
procedureOccurrence.VisitOccurrenceId = visitOccurrence.Id;
var observationPeriod = observationPeriods.FirstOrDefault(op => op.StartDate.Between(procedureOccurrence.StartDate, procedureOccurrence.EndDate.Value) || op.EndDate.Between(procedureOccurrence.StartDate, procedureOccurrence.EndDate.Value));
if (observationPeriod != null)
{
if (procedureOccurrence.StartDate < observationPeriod.StartDate)
procedureOccurrence.StartDate = observationPeriod.StartDate;
if (procedureOccurrence.StartDate > observationPeriod.EndDate)
procedureOccurrence.StartDate = observationPeriod.EndDate;
}
procedureOccurrence.EndDate = null;
procedureOccurrence.TypeConceptId = GetProcedureTypeConceptId(procedureOccurrence.TypeConceptId.Value, visitOccurrence.ConceptId);
if (procedureOccurrence.TypeConceptId == 38000272 || procedureOccurrence.TypeConceptId == 38000254)
{
if (procedureOccurrence.ProcedureCosts != null)
{
if (!cost.ContainsKey(procedureOccurrence))
cost.Add(procedureOccurrence, new List<ProcedureCost>());
cost[procedureOccurrence].AddRange(procedureOccurrence.ProcedureCosts);
}
cdProcedures.Add(procedureOccurrence);
}
else
{
procedureOccurrence.StartDate = visitOccurrence.EndDate.Value;
if (CodeValidator.IsValidIcd9Procedure(procedureOccurrence.SourceValue))
otherProcedures.Add(procedureOccurrence);
}
AddToDateClaimTypeDictionary(dateClaimTypeDictionary, procedureOccurrence, visitOccurrence);
}
foreach (var procedureOccurrence in BuildProceduresCd(cdProcedures, cost))
{
result.Add(procedureOccurrence);
}
foreach (var procedureOccurrence in BuildProceduresOther(otherProcedures, visitOccurrences, dateClaimTypeDictionary))
{
result.Add(procedureOccurrence);
}
return base.BuildProcedureOccurrences(result.ToArray(), visitOccurrences, observationPeriods);
}