public static List<ObservationPeriod> GetObservationPeriods(int gap, EraEntity[] entities)
{
return GetEras(entities, gap, -1).Select(
period =>
new ObservationPeriod { PersonId = period.PersonId, StartDate = period.StartDate, EndDate = period.EndDate.Value }).
ToList();
}
public static IEnumerable <EraEntity> GetEras(IEnumerable <IEntity> entities, int gap1, int type1)
{
var filterdEntities = entities.Where(e => e.IncludeInEra()).ToList();
var eraConceptIds = new HashSet <int>();
foreach (var entity in filterdEntities)
{
if (entity.Ingredients != null && entity.Ingredients.Count > 0)
{
foreach (var ingredient in entity.Ingredients)
{
eraConceptIds.Add(ingredient);
}
}
else
{
entity.Ingredients = new List <int> {
entity.ConceptId
};
eraConceptIds.Add(entity.ConceptId);
}
}
foreach (int eraConceptId in eraConceptIds)
{
int ecId = eraConceptId;
IEnumerable <IEntity> containedEntities = filterdEntities.Where(d => d.Ingredients.Contains(ecId));
List <IEntity> ordered = containedEntities.OrderBy(d => d.StartDate).ThenBy(d => d.EndDate).ToList();
if (ordered.Count > 1)
{
var era = new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
};
foreach (var entity in ordered.Skip(1))
{
var currentGap = entity.StartDate.Subtract(era.EndDate.Value).Days;
if (currentGap > gap1)
{
yield return(era);
era = new EraEntity
{
PersonId = entity.PersonId,
ConceptId = ecId,
StartDate = entity.StartDate,
EndDate = GetEndDate(entity),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
};
}
else
{
if (currentGap > 0)
{
era.GapDays += currentGap;
}
if (GetEndDate(entity) > era.EndDate)
{
era.EndDate = GetEndDate(entity);
}
era.OccurrenceCount++;
}
}
yield return(era);
}
else
{
yield return(new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
});
}
}
}
public static IEnumerable <EraEntity> GetEras(IEnumerable <IEntity> entities, int gap1, int type1)
{
var filterdEntities = entities.Where(e => e.IncludeInEra()).ToList();
var eraConceptIds = new Dictionary <long, bool>();
foreach (var eraConceptId in filterdEntities.SelectMany(entity => entity.GetEraConceptIds().Where(eraConceptId => eraConceptId.HasValue)))
{
eraConceptIds[eraConceptId.Value] = false;
}
foreach (long eraConceptId in eraConceptIds.Keys)
{
long ecId = eraConceptId;
IEnumerable <IEntity> containedEntities = filterdEntities.Where(d => d.GetEraConceptIds().Contains(ecId));
List <IEntity> ordered = containedEntities.OrderBy(d => d.StartDate).ThenBy(d => d.EndDate).ToList();
if (ordered.Count > 1)
{
var era = new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
};
foreach (var entity in ordered.Skip(1))
{
var currentGap = entity.StartDate.Subtract(era.EndDate.Value).Days;
if (currentGap > gap1)
{
yield return(era);
era = new EraEntity
{
PersonId = entity.PersonId,
ConceptId = ecId,
StartDate = entity.StartDate,
EndDate = GetEndDate(entity),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
};
}
else
{
if (currentGap > 0)
{
era.GapDays += currentGap;
}
if (GetEndDate(entity) > era.EndDate)
{
era.EndDate = GetEndDate(entity);
}
era.OccurrenceCount++;
}
}
yield return(era);
}
else
{
yield return(new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
GapDays = 0,
OccurrenceCount = 1
});
}
}
}
public static IEnumerable<EraEntity> GetEras(IEnumerable<IEntity> entities, int gap1, int type1)
{
var filterdEntities = entities.Where(e => e.IncludeInEra()).ToList();
var eraConceptIds = new Dictionary<long, bool>();
foreach (var eraConceptId in filterdEntities.SelectMany(entity => entity.GetEraConceptIds().Where(eraConceptId => eraConceptId.HasValue)))
{
eraConceptIds[eraConceptId.Value] = false;
}
foreach (long eraConceptId in eraConceptIds.Keys)
{
long ecId = eraConceptId;
IEnumerable<IEntity> containedEntities = filterdEntities.Where(d => d.GetEraConceptIds().Contains(ecId));
List<IEntity> ordered = containedEntities.OrderBy(d => d.StartDate).ThenBy(d => d.EndDate).ToList();
if (ordered.Count > 1)
{
var era = new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
OccurrenceCount = 1
};
foreach (var entity in ordered.Skip(1))
{
if (entity.StartDate.Subtract(era.EndDate.Value).Days > gap1)
{
yield return era;
era = new EraEntity
{
PersonId = entity.PersonId,
ConceptId = ecId,
StartDate = entity.StartDate,
EndDate = GetEndDate(entity),
TypeConceptId = type1,
OccurrenceCount = 1
};
}
else
{
if (GetEndDate(entity) > era.EndDate)
era.EndDate = GetEndDate(entity);
era.OccurrenceCount++;
}
}
yield return era;
}
else
{
yield return new EraEntity
{
PersonId = ordered[0].PersonId,
ConceptId = ecId,
StartDate = ordered[0].StartDate,
EndDate = GetEndDate(ordered[0]),
TypeConceptId = type1,
OccurrenceCount = 1
};
}
}
}
