public RefreshResult <T> Execute(RefreshParams refreshParams, List <T> dtos)
{
if (dtos != null && dtos.Count > 0 && refreshParams.paginationInfo.pageSize > 0)
{
//todo filter
if (refreshParams.filterItems.Length > 0)
{
var filterComparer = new FilterComparer <T>(refreshParams.filterItems);
dtos = dtos.Where(dto => filterComparer.dtoIsInFilter(dto)).ToList();
}
refreshParams.paginationInfo.totalNumOfItems = dtos.Count();
//sort
if (refreshParams.sortItems.Length > 0)
{
var sortItem = refreshParams.sortItems[0];
dtos.Sort(new SortComparer <T>(sortItem));
}
//paging
refreshParams.paginationInfo.maxPageIndex = Convert.ToInt32(Math.Ceiling((decimal)refreshParams.paginationInfo.totalNumOfItems / (decimal)refreshParams.paginationInfo.pageSize)) - 1;
if (refreshParams.paginationInfo.maxPageIndex < 0)
{
refreshParams.paginationInfo.maxPageIndex = 0;
}
if (refreshParams.paginationInfo.currentPageIndex > refreshParams.paginationInfo.maxPageIndex)
{
refreshParams.paginationInfo.currentPageIndex = refreshParams.paginationInfo.maxPageIndex;
}
dtos = dtos
.Skip(refreshParams.paginationInfo.currentPageIndex * refreshParams.paginationInfo.pageSize)
.Take(refreshParams.paginationInfo.pageSize)
.ToList();
refreshParams.paginationInfo.currentPageNumOfItems = dtos.Count();
}
else
{
dtos = new List <T>();
refreshParams.paginationInfo.currentPageNumOfItems = dtos.Count();
refreshParams.paginationInfo.currentPageIndex = 0;
refreshParams.paginationInfo.maxPageIndex = 0;
refreshParams.paginationInfo.totalNumOfItems = 0;
}
var result = new RefreshResult <T>(refreshParams, dtos);
return(result);
}
public RefreshResult(RefreshParams refreshParams, IEnumerable <T> data)
{
this.refreshParams = refreshParams;
this.data = data;
}