protected async Task <ListModel <TResult> > RetrieveListResults <TSource, TResult>(Expression <Func <TSource, bool> > predicate,
List <SortTuple <TSource> > orderFunctions,
GetListBase request, CancellationToken cancellationToken)
where TSource : class
where TResult : class
{
var filteredQuery = Context.Set <TSource>().AsQueryable();
if (predicate != null)
{
filteredQuery = filteredQuery.Where(predicate);
}
var count = filteredQuery.CountAsync();
var sortedQuery = filteredQuery;
if (orderFunctions != null)
{
sortedQuery = ApplyOrdering(filteredQuery, orderFunctions);
}
var pagedQuery = ApplyPaging(request, sortedQuery);
return(await ProjectTo <TSource, TResult>(pagedQuery, await count, cancellationToken));
}
protected IQueryable <T> ApplyPaging <T>(GetListBase request, IQueryable <T> filteredQuery) where T : class
{
return(filteredQuery
.Skip((request.PageIndex - 1) * request.PageSize)
.Take(request.PageSize));
}