public SortCondition <TEntity> ThenByDescending(string propertySelector)
{
if (string.IsNullOrEmpty(propertySelector))
{
throw new ArgumentException("Selector string can not be null or empty", "propertySelector");
}
var sortItem = new SortItem()
{
PropertySelector = propertySelector,
SortDirection = SortDirection.Descending
};
SortItems.Add(sortItem);
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", "selectorExpression");
}
var sortItem = new SortItem()
{
PropertySelector = GetSelectorStringFromExpression(selectorExpression),
SortDirection = SortDirection.Descending
};
SortItems.Add(sortItem);
return(this);
}
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", "selectorExpression");
}
var result = new SortCondition <TEntity>()
{
entityType = typeof(TEntity)
};
var sortItem = new SortItem()
{
PropertySelector = GetSelectorStringFromExpression(selectorExpression),
SortDirection = SortDirection.Descending
};
result.SortItems.Add(sortItem);
return(result);
}
public static SortCondition <TEntity> OrderByDescending(string propertySelector)
{
if (string.IsNullOrEmpty(propertySelector))
{
throw new ArgumentException("Selector string can not be null or empty", "propertySelector");
}
var result = new SortCondition <TEntity>()
{
entityType = typeof(TEntity)
};
var sortItem = new SortItem()
{
PropertySelector = propertySelector,
SortDirection = SortDirection.Descending
};
result.SortItems.Add(sortItem);
return(result);
}
public SortCondition <TDestionation> Cast <TDestionation>() where TDestionation : class
{
var sortCondition = new SortCondition <TDestionation>()
{
entityType = typeof(TDestionation),
parameterExpression = parameterExpression,
orderableParameterExpression = orderableParameterExpression
};
var result = sortCondition;
foreach (var sortItem in SortItems)
{
var sortItem1 = new SortItem()
{
PropertySelector = sortItem.PropertySelector,
SortDirection = sortItem.SortDirection
};
result.SortItems.Add(sortItem1);
}
return(result);
}
