private Expression <Func <Seiyuu, bool> > ExtendExpressionWithSearchCriteria(Expression <Func <Seiyuu, bool> > predicate, SeiyuuSearchCriteria searchCriteria)
{
return(predicate
.And(!string.IsNullOrWhiteSpace(searchCriteria.Name), () => seiyuu =>
seiyuu.Name.Contains(searchCriteria.Name, StringComparison.InvariantCultureIgnoreCase) ||
seiyuu.Name.SwapNameSurname().Contains(searchCriteria.Name, StringComparison.InvariantCultureIgnoreCase) ||
seiyuu.JapaneseName.Contains(searchCriteria.Name, StringComparison.InvariantCultureIgnoreCase)));
}
public Expression <Func <Seiyuu, bool> > BuildExpression(SeiyuuSearchCriteria searchCriteria)
{
var predicate = PredicateBuilder.True <Seiyuu>();
return(searchCriteria != null?ExtendExpressionWithSearchCriteria(predicate, searchCriteria) : predicate);
}
