public async Task <IList <ResourceStore> > GetSearch(Common.Enums.FhirVersion fhirVersion, Common.Enums.ResourceType resourceType, IList <ISearchQueryBase> searchQueryList)
{
ExpressionStarter <ResourceStore> Predicate = IPredicateFactory.CurrentMainResource(fhirVersion, resourceType);
Predicate.Extend(await IPredicateFactory.GetResourceStoreIndexPredicate(fhirVersion, resourceType, searchQueryList), PredicateOperator.And);
foreach (var exp in await IPredicateFactory.ChainEntry(_context, resourceType, searchQueryList))
{
Predicate.Extend(exp, PredicateOperator.And);
}
try
{
IQueryable <ResourceStore> Query = DbSet;
Query = Query.AsExpandable().Where(Predicate);
return(await Query.OrderBy(z => z.LastUpdated).ToListAsync());
}
catch (Exception Exec)
{
var mesg = Exec.Message;
throw Exec;
}
//string Debug = Predicate.Expand().ToString();
//return await Predicate2.AsExpandable().Where(Predicate).OrderBy(z => z.LastUpdated).ToListAsync();
}
private static void IdSearchParameterPredicateProcessing(List <ISearchParameterBase> SearchParametersList, ResourceSearchExpressionTrees <ResCurrentType, ResIndexStringType, ResIndexTokenType, ResIndexUriType, ResIndexReferenceType, ResIndexQuantityType, ResIndexDateTimeType> Search, ExpressionStarter <ResCurrentType> MainPredicate)
{
var IdSearchParamerterList = SearchParametersList.Where(x => x.Resource == FHIRAllTypes.Resource.GetLiteral() && x.Name == "_id");
if (IdSearchParamerterList != null)
{
ExpressionStarter <ResCurrentType> NewIdPredicate = null;
foreach (var IdSearchParameter in IdSearchParamerterList)
{
if (IdSearchParameter is SearchParameterToken SearchTypeToken)
{
NewIdPredicate = LinqKit.PredicateBuilder.New <ResCurrentType>();
foreach (var SearchValue in SearchTypeToken.ValueList)
{
if (!SearchTypeToken.Modifier.HasValue)
{
var Expression = Search.MainResourceFhirIdAny(SearchValue.Code);
NewIdPredicate = NewIdPredicate.Or(Expression);
}
}
}
MainPredicate.Extend <ResCurrentType>(NewIdPredicate, PredicateOperator.And);
}
SearchParametersList.RemoveAll(x => x.Resource == FHIRAllTypes.Resource.GetLiteral() && x.Name == "_id");
}
}
public async Task <ExpressionStarter <ResourceStore> > GetResourceStoreIndexPredicate(Common.Enums.FhirVersion fhirVersion, Common.Enums.ResourceType resourceType, IList <ISearchQueryBase> SearchQueryList)
{
IEnumerable <ISearchQueryBase> ChainedSearchQueryList = SearchQueryList.Where(x => x.ChainedSearchParameter is object);
IEnumerable <ISearchQueryBase> NoChainedSearchQueryList = SearchQueryList.Where(x => x.ChainedSearchParameter is null);
//Below must be true 'PredicateBuilder.New<ResourceStore>(true)' in order to get all resource when no query string
ExpressionStarter <ResourceStore> Predicate = PredicateBuilder.New <ResourceStore>(true);
foreach (var Search in NoChainedSearchQueryList)
{
switch (Search.SearchParamTypeId)
{
case Common.Enums.SearchParamType.Number:
IResourceStorePredicateFactory.NumberIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.QuantityIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Date:
IResourceStorePredicateFactory.DateTimeIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.DateTimeIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.String:
IResourceStorePredicateFactory.StringIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.StringIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Token:
IResourceStorePredicateFactory.TokenIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.TokenIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Reference:
(await IResourceStorePredicateFactory.ReferenceIndex(Search)).ForEach(x => Predicate = Predicate.Or(y => y.ReferenceIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Composite:
Predicate = await IResourceStorePredicateFactory.CompositeIndex(this, Search);
break;
case Common.Enums.SearchParamType.Quantity:
IResourceStorePredicateFactory.QuantityIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.QuantityIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Uri:
IResourceStorePredicateFactory.UriIndex(Search).ForEach(x => Predicate = Predicate.Or(y => y.UriIndexList.Any(x.Compile())));
break;
case Common.Enums.SearchParamType.Special:
throw new Common.Exceptions.FhirFatalException(System.Net.HttpStatusCode.InternalServerError, new string[] { $"Attempt to search with a SearchParameter of type: {Common.Enums.SearchParamType.Special.GetCode()} which is not supported by this server." });
default:
break;
}
Predicate = Predicate.Extend(Predicate, PredicateOperator.And);
}
return(Predicate);
}
public static void Build(List <ISearchParameterBase> SearchParametersList, ResourceSearch <ResCurrentType, ResIndexStringType, ResIndexTokenType, ResIndexUriType, ResIndexReferenceType, ResIndexQuantityType, ResIndexDateTimeType> Search, ExpressionStarter <ResCurrentType> MainPredicate)
{
var LastUpdatedSearchParamerterList = SearchParametersList.Where(x => x.Resource == FHIRAllTypes.Resource.GetLiteral() && x.Name == "_lastUpdated");
if (LastUpdatedSearchParamerterList != null)
{
ExpressionStarter <ResCurrentType> NewLastUpdatedPredicate = null;
foreach (var LastUpdatedSearchParameter in LastUpdatedSearchParamerterList)
{
if (LastUpdatedSearchParameter is SearchParameterDateTime SearchTypeToken)
{
NewLastUpdatedPredicate = LinqKit.PredicateBuilder.New <ResCurrentType>();
foreach (var SearchValue in SearchTypeToken.ValueList)
{
if (!SearchTypeToken.Modifier.HasValue)
{
if (SearchValue.Prefix.HasValue == false)
{
NewLastUpdatedPredicate = Equals(Search, NewLastUpdatedPredicate, SearchValue);
}
else
{
switch (SearchValue.Prefix)
{
case SearchParameter.SearchComparator.Eq:
NewLastUpdatedPredicate = Equals(Search, NewLastUpdatedPredicate, SearchValue);
break;
case SearchParameter.SearchComparator.Ne:
throw new FormatException($"The search prefix: {SearchValue.Prefix.ToString()} is not supported for search parameter _lastUpdated.");
case SearchParameter.SearchComparator.Gt:
var ExpressionGreaterThan = Search.LastUpdatedPropertyGreaterThan(FhirDateTimeSupport.CalculateHighDateTimeForRange(SearchValue.Value, SearchValue.Precision));
NewLastUpdatedPredicate = NewLastUpdatedPredicate.Or(ExpressionGreaterThan);
break;
case SearchParameter.SearchComparator.Lt:
var ExpressionLessThan = Search.LastUpdatedPropertyLessThan(SearchValue.Value);
NewLastUpdatedPredicate = NewLastUpdatedPredicate.Or(ExpressionLessThan);
break;
case SearchParameter.SearchComparator.Ge:
var ExpressionGreaterThanOrEqualTo = Search.LastUpdatedPropertyGreaterThanOrEqualTo(SearchValue.Value);
NewLastUpdatedPredicate = NewLastUpdatedPredicate.Or(ExpressionGreaterThanOrEqualTo);
break;
case SearchParameter.SearchComparator.Le:
var ExpressionLessThanOrEqualTo = Search.LastUpdatedPropertyLessThanOrEqualTo(FhirDateTimeSupport.CalculateHighDateTimeForRange(SearchValue.Value, SearchValue.Precision));
NewLastUpdatedPredicate = NewLastUpdatedPredicate.Or(ExpressionLessThanOrEqualTo);
break;
case SearchParameter.SearchComparator.Sa:
throw new FormatException($"The search prefix: {SearchValue.Prefix.ToString()} is not supported for search parameter _lastUpdated.");
case SearchParameter.SearchComparator.Eb:
throw new FormatException($"The search prefix: {SearchValue.Prefix.ToString()} is not supported for search parameter _lastUpdated.");
case SearchParameter.SearchComparator.Ap:
throw new FormatException($"The search prefix: {SearchValue.Prefix.ToString()} is not supported for search parameter _lastUpdated.");
default:
throw new System.ComponentModel.InvalidEnumArgumentException(SearchValue.Prefix.Value.GetLiteral(), (int)SearchValue.Prefix, typeof(SearchParameter.SearchComparator));
}
}
}
else
{
throw new FormatException($"The search Modifiers are not supported for search parameter _lastUpdated. Found modifier {SearchTypeToken.Modifier.Value.GetLiteral()}");
}
}
}
MainPredicate.Extend <ResCurrentType>(NewLastUpdatedPredicate, PredicateOperator.And);
}
SearchParametersList.RemoveAll(x => x.Resource == FHIRAllTypes.Resource.GetLiteral() && x.Name == "_lastUpdated");
}
}
