public static T CopyPagerModel <T>(PagerSupport model, PagerSupport criteria)
{
criteria.Limit = model.Limit;
criteria.Offset = model.Offset;
criteria.SortBy = model.SortBy;
criteria.IsAsc = model.IsAsc;
return(DataHelper.AutoCast <T>(criteria));
}
public static PagerResult <T> GetPagerList <T>(IList <T> list, PagerSupport criteria)
{
var result = new PagerResult <T>();
var limit = 20;
var offset = 0;
if (!DataCheckHelper.IsNull(criteria.Limit))
{
limit = decimal.ToInt32(criteria.Limit.Value);
if (limit <= 0)
{
limit = 10;
}
}
if (!DataCheckHelper.IsNull(criteria.Offset))
{
offset = decimal.ToInt32(criteria.Offset.Value);
if (offset <= 0 || offset > list.Count)
{
offset = 0;
}
}
result.AllRecordCount = list.Count;
result.Limit = limit;
result.Offset = offset;
var start = list.Count > offset ? offset : 0;
var end = list.Count > offset + limit ? offset + limit : list.Count > offset ? list.Count : 0;
result.AddAll(list.Skip(start).Take(end - start).ToList());
if (!DataCheckHelper.IsNull(criteria.SortBy))
{
if (IsSortField <T>(criteria.SortBy))
{
var ex = GetExpressionSort <T>(criteria.SortBy);
if (DataCheckHelper.IsNull(criteria.IsAsc))
{
criteria.IsAsc = true;
}
if (criteria.IsAsc.Value)
{
result.ResultList = result.AsQueryable().OrderBy(ex).ToList();
}
else
{
result.ResultList = result.AsQueryable().OrderByDescending(ex).ToList();
}
}
}
return(result);
}
public static T CopyPagerRequest <T>(PagerRequest request, PagerSupport criteria)
{
criteria.Limit = DataHelper.ConvertInputNumber(request.Limit);
criteria.Offset = DataHelper.ConvertInputNumber(request.Offset);
criteria.SortBy = DataHelper.ConvertInputString(request.SortBy);
if (!DataCheckHelper.IsNull(criteria.SortBy))
{
criteria.IsAsc = DataHelper.ConvertInputBoolean(request.IsAsc);
}
return(DataHelper.AutoCast <T>(criteria));
}