public SortCondition <TEntity> ThenByDescending(string propertySelector)
{
if (string.IsNullOrEmpty(propertySelector))
{
throw new ArgumentException("Selector string can not be null or empty", nameof(propertySelector));
}
var item = new SortItem
{
PropertySelector = propertySelector,
SortDirection = SortDirection.Descending
};
_sortItems.Add(item);
return(this);
}
public SortCondition <TEntity> ThenByDescending <TProperty>(Expression <Func <TEntity, TProperty> > selectorExpression)
{
if (selectorExpression == null)
{
throw new ArgumentException("Selector string can not be null or empty", nameof(selectorExpression));
}
var item = new SortItem
{
PropertySelector = GetSelectorStringFromExpression(selectorExpression),
SortDirection = SortDirection.Descending
};
_sortItems.Add(item);
return(this);
}
public static SortCondition <TEntity> OrderByDescending(string propertySelector)
{
if (string.IsNullOrEmpty(propertySelector))
{
throw new ArgumentException("Selector string can not be null or empty", nameof(propertySelector));
}
var result = new SortCondition <TEntity> {
_entityType = typeof(TEntity)
};
var item = new SortItem
{
PropertySelector = propertySelector,
SortDirection = SortDirection.Descending
};
result._sortItems.Add(item);
return(result);
}
public static SortCondition <TEntity> OrderByDescending <TProperty>(Expression <Func <TEntity, TProperty> > selectorExpression)
{
if (selectorExpression == null)
{
throw new ArgumentException("Selector string can not be null or empty", nameof(selectorExpression));
}
var result = new SortCondition <TEntity> {
_entityType = typeof(TEntity)
};
var item = new SortItem
{
PropertySelector = GetSelectorStringFromExpression(selectorExpression),
SortDirection = SortDirection.Descending
};
result._sortItems.Add(item);
return(result);
}
public SortCondition <TDestination> Cast <TDestination>() where TDestination : class
{
var result = new SortCondition <TDestination>
{
_entityType = typeof(TDestination),
_parameterExpression = _parameterExpression,
_sortableParameterExpression = _sortableParameterExpression
};
foreach (var sortItem in _sortItems)
{
var newSortItem = new SortItem()
{
PropertySelector = sortItem.PropertySelector,
SortDirection = sortItem.SortDirection
};
result._sortItems.Add(newSortItem);
}
return(result);
}