public static GuidFilter Merge(GuidFilter parameter1, GuidFilter parameter2)
{
if (parameter1 == null)
{
parameter1 = new GuidFilter();
}
if (parameter2 != null)
{
if (parameter2.Equal != null)
{
parameter1.Equal = parameter2.Equal;
}
if (parameter2.NotEqual != null)
{
parameter1.NotEqual = parameter2.NotEqual;
}
if (parameter2.In != null)
{
if (parameter1.In == null)
{
parameter1.In = parameter2.In;
}
else
{
parameter1.In.AddRange(parameter2.In);
}
}
if (parameter2.NotIn != null)
{
if (parameter1.NotIn == null)
{
parameter1.NotIn = parameter2.NotIn;
}
else
{
parameter1.NotIn.AddRange(parameter2.NotIn);
}
}
}
return(parameter1);
}
public static IQueryable <TSource> Where <TSource, TKey>(this IQueryable <TSource> source, Expression <Func <TSource, TKey> > propertyName, GuidFilter filter)
{
if (filter.Equal.HasValue)
{
source = source.Where(BuildPredicate(propertyName, "==", filter.Equal.Value.ToString()));
}
if (filter.NotEqual.HasValue)
{
source = source.Where(BuildPredicate(propertyName, "!=", filter.NotEqual.Value.ToString()));
}
if (filter.In != null)
{
source = source.Where(BuildPredicate(propertyName, "In", filter.In));
}
if (filter.NotIn != null)
{
source = source.Where(BuildPredicate(propertyName, "NotIn", filter.In));
}
return(source);
}