private static IDataSource ApplyFilter(
IQualifiedMember sourceMember,
IDataSource dataSource,
IMemberMapperData mapperData)
{
if (DoNotApplyFilter(sourceMember, dataSource, mapperData))
{
return(dataSource);
}
var filters = mapperData.GetSourceValueFilters(sourceMember.Type);
if (filters.None())
{
return(dataSource);
}
var contextMapperData = mapperData.IsEntryPoint || (sourceMember != mapperData.SourceMember)
? mapperData
: mapperData.Parent;
var rawSourceValue = sourceMember
.RelativeTo(contextMapperData.SourceMember)
.GetQualifiedAccess(contextMapperData.SourceObject);
var filterConditions = filters.GetFilterConditionsOrNull(rawSourceValue, contextMapperData);
if (filterConditions == null)
{
return(dataSource);
}
if (dataSource.IsConditional)
{
filterConditions = Expression.AndAlso(dataSource.Condition, filterConditions);
}
return(new AdHocDataSource(sourceMember, dataSource.Value, filterConditions));
}