public GridResults ApplyPaging <T>(IGridDataSource <T> source, GridDataRequest paging, List <EntityDTO> list) where T : DomainEntity
{
var recordCount = source.TotalCount();
var pageCount = (int)Math.Ceiling(recordCount / (double)paging.ResultsPerPage);
if (pageCount < paging.Page)
{
paging.Page = pageCount;
}
return(new GridResults {
page = paging.Page,
records = recordCount,
total = pageCount,
items = list
});
}
public GridResults RunGrid(GridDefinition <TEntity> grid, IGridDataSource <TEntity> source, GridDataRequest request)
{
if (request.ResultsPerPage > grid.MaxCount)
{
request.ResultsPerPage = grid.MaxCount;
}
grid.SortBy.ApplyDefaultSorting(request);
applyCriteria(request, grid, source);
applyRestrictions(source);
var data = source.Fetch(request);
var actions = grid.Columns.Select(col => col.CreateDtoFiller(data, _formatter, _urls));
var list = createEntityDtos(data, actions);
// TODO -- needs some UT's
return(ApplyPaging(source, request, list));
}
private void applyCriteria <T>(GridDataRequest paging, GridDefinition <T> grid, IGridDataSource <T> source)
where T : DomainEntity
{
var requests = paging.Criterion.Select(x =>
{
var expression = grid.PropertyExpressionFor(x.property);
return(new FilterRequest <T>(x, _converter, expression));
});
requests.Each(req => source.ApplyCriteria(req, _queryService));
}
public int GetCount(IGridDataSource <TEntity> source)
{
applyRestrictions(source);
return(source.TotalCount());
}
private void applyRestrictions(IGridDataSource <TEntity> source)
{
source.ApplyRestrictions(filter => _restrictions.Each(r => r.Apply(filter)));
}