public static IFigures Query(this IFigures figures, out bool sorted, out bool filtered, int stage = 1)
{
FigureFilter Filter = figures.Filter;
FigureSort Sort = figures.Sort;
filtered = (Filter.Terms.Count > 0) ? true : false;
sorted = (Sort.Terms.Count > 0) ? true : false;
return(ResolveQuery(figures, Filter, Sort, stage));
}
private static IFigures ExecuteQuery(IFigures _figures, FigureFilter filter, FigureSort sort, int stage = 1, IFigure[] appendfigures = null)
{
IFigures trell = _figures;
IFigures figures = null;
IFigures view = _figures.Exposition;
if (appendfigures == null)
{
if (stage > 1)
{
figures = view;
}
else if (stage < 0)
{
figures = _figures;
view = _figures.Exposition = (IFigures)_figures.FiguresType.New();
}
else
{
figures = trell;
}
}
if (filter != null && filter.Terms.Count > 0)
{
filter.Evaluator = filter.GetExpression(stage).Compile();
view.Query = filter.Evaluator;
if (sort != null && sort.Terms.Count > 0)
{
bool isFirst = true;
IEnumerable <IFigure> tsrt = null;
IOrderedQueryable <IFigure> ttby = null;
if (appendfigures != null)
{
tsrt = appendfigures.AsEnumerable().Where(filter.Evaluator);
}
else
{
tsrt = figures.AsEnumerable().Where(filter.Evaluator);
}
foreach (SortTerm fcs in sort.Terms)
{
if (isFirst)
{
ttby = tsrt.AsQueryable().OrderBy(o => o[fcs.RubricName], fcs.Direction, Comparer <object> .Default);
}
else
{
ttby = ttby.ThenBy(o => o[fcs.RubricName], fcs.Direction, Comparer <object> .Default);
}
isFirst = false;
}
if (appendfigures != null)
{
view.Add(ttby.ToArray());
}
else
{
view.Clear();
view.Add(ttby.ToArray());
}
}
else
{
if (appendfigures != null)
{
view.Add(appendfigures.AsQueryable().Where(filter.Evaluator).ToArray());
}
else
{
view.Clear();
view.Add(figures.AsEnumerable().AsQueryable().Where(filter.Evaluator).ToArray());
}
}
}
else if (sort != null && sort.Terms.Count > 0)
{
view.Query = null;
view.Filter.Evaluator = null;
bool isFirst = true;
IOrderedQueryable <IFigure> ttby = null;
foreach (SortTerm fcs in sort.Terms)
{
if (isFirst)
{
if (appendfigures != null)
{
ttby = appendfigures.AsQueryable().OrderBy(o => o[fcs.RubricName], fcs.Direction, Comparer <object> .Default);
}
else
{
ttby = figures.AsEnumerable().AsQueryable().OrderBy(o => o[fcs.RubricName], fcs.Direction, Comparer <object> .Default);
}
}
else
{
ttby = ttby.ThenBy(o => o[fcs.RubricName], fcs.Direction, Comparer <object> .Default);
}
isFirst = false;
}
if (appendfigures != null)
{
view.Add(ttby);
}
else
{
view.Add(ttby);
}
}
else
{
if (stage < 2)
{
view.Query = null;
view.Filter.Evaluator = null;
}
if (appendfigures != null)
{
view.Add(appendfigures);
}
else
{
view.Add(figures);
}
}
// view.PagingDetails.ComputePageCount(view.Count);
if (stage > 0)
{
trell.Exposition = view;
}
return(view);
}
