public Task <TResult[]> HandleAsync <TEntity, TResult>(Expression <Func <TEntity, bool> > filter, Expression <Func <TEntity, TResult> > selector) where TEntity : class
{
var modifiedWhere = new AddMaybeVisitor().Modify(filter);
//return null instead NullRefEx on b=>b.Author.Name if b.Author is null
var modifiedSelector = new AddMaybeVisitor().Modify(selector);
return(Task.FromResult(_querySource.OfType <TEntity>().Where(modifiedWhere).Select(modifiedSelector).ToArray()));
}
public Task <TResult[]> HandleAsync <TEntity, TResult>(Expression <Func <TEntity, bool> > filter,
Expression <Func <TEntity, TResult> > selector, ISortable pagingData)
where TEntity : class where TResult : class
{
var modifiedWhere = new AddMaybeVisitor().Modify(filter);
var modifiedSelector = new AddMaybeVisitor().Modify(selector);
return(Task.FromResult(_querySource.OfType <TEntity>()
.Where(modifiedWhere)
.Select(modifiedSelector)
.ApplyPaging(pagingData)
.ToArray()));
}
