protected virtual IQueryable <TEntity> Sort(IQueryable <TEntity> query, GetManyQuery <TFilter> request)
{
if (!request.IsSortingEmpty())
{
return(request.SortOrder == SortOrder.Desc
? query.OrderByDesc(request.OrderBy)
: query.OrderBy(request.OrderBy));
}
return(query.OrderBy(e => e.Id));
}
protected virtual IQueryable <T> Paginate <T>(IQueryable <T> query, GetManyQuery <TFilter> request)
{
if (!request.IsPaginationEmpty())
{
return(query
.Skip(request.Start.Value)
.Take(request.End.Value - request.Start.Value));
}
return(query);
}
public async Task <GetManyResult <TOutput> > GetMany(GetManyQuery <TFilter> q)
{
var query = GetQuery();
query = FilterByIds(query, q.Ids);
query = Filter(query, q.Filters);
query = Sort(query, q);
return(new GetManyResult <TOutput>(await query.CountAsync(),
(await Paginate(query, q).ToListAsync())
.Select(ToOutput)
.ToList()));
}
