private EdmStructuralProperty?BuildStructuralProperty(Dictionary <Type, EntityTypeInfo> entityTypes,
Dictionary <Type, EdmEnumType> enumTypes, Dictionary <Type, EdmComplexType> complexTypes, PropertyInfo clrProperty)
{
bool isNullable = !_metadataProvider.IsRequired(clrProperty);
IEdmTypeReference?typeRef = PrimitiveTypeHelper.GetPrimitiveTypeRef(clrProperty, isNullable);
if (typeRef == null)
{
Type?underlyingType = null;
if (clrProperty.PropertyType.IsEnum ||
(underlyingType = Nullable.GetUnderlyingType(clrProperty.PropertyType)) != null && underlyingType.IsEnum)
{
Type clrPropertyType = underlyingType ?? clrProperty.PropertyType;
if (!enumTypes.TryGetValue(clrPropertyType, out EdmEnumType? edmEnumType))
{
edmEnumType = OeEdmModelBuilder.CreateEdmEnumType(clrPropertyType);
enumTypes.Add(clrPropertyType, edmEnumType);
}
typeRef = new EdmEnumTypeReference(edmEnumType, underlyingType != null);
}
else
{
if (complexTypes.TryGetValue(clrProperty.PropertyType, out EdmComplexType? edmComplexType))
{
typeRef = new EdmComplexTypeReference(edmComplexType, clrProperty.PropertyType.IsClass);
}
else
{
FKeyInfo?fkeyInfo = FKeyInfo.Create(_metadataProvider, entityTypes, this, clrProperty);
if (fkeyInfo != null)
{
_navigationClrProperties.Add(fkeyInfo);
}
return(null);
}
}
}
else
{
if (clrProperty.PropertyType == typeof(DateTime?) && enumTypes.ContainsKey(typeof(DateTime?)))
{
var edmType = enumTypes[typeof(DateTime?)];
typeRef = new EdmEnumTypeReference(edmType, true);
}
}
EdmStructuralProperty edmProperty = clrProperty is Infrastructure.OeShadowPropertyInfo ?
new OeEdmStructuralShadowProperty(EdmType, clrProperty.Name, typeRef, clrProperty) :
new EdmStructuralProperty(EdmType, clrProperty.Name, typeRef);
EdmType.AddProperty(edmProperty);
if (_metadataProvider.IsKey(clrProperty))
{
_keyProperties.Add(new KeyValuePair <PropertyInfo, EdmStructuralProperty>(clrProperty, edmProperty));
}
return(edmProperty);
}