private List <Cloth> searchByCombine()
{
List <List <Cloth> > clothLists = new List <List <Cloth> >();
List <Cloth> clothesByText = searchByText();
if (clothesByText == null || clothesByText.Count == 0)
{
return(new List <Cloth>());
}
clothLists.Add(clothesByText);
clothLists.Add(searchByPic());
return(ClothUtil.IntersectClothLists(clothLists));
}
public override List <Cloth> Search()
{
List <Cloth> clothes = null;
if (clothDao != null)
{
clothes = clothDao.FindAll();
}
if (null == clothes)
{
throw new NullReferenceException("ClothDao are null, or some error happened.");
}
TextParam tp = (TextParam)param;
string words = tp.Words;
ColorEnum colors = tp.Colors;
ShapeEnum shapes = tp.Shapes;
List <List <Cloth> > clothLists = new List <List <Cloth> >();
if (colors != ColorEnum.NONE)
{
List <Cloth> clothesByColor = clothDao.FindAllByColors(colors);
if (clothesByColor.Count > 0)
{
clothLists.Add(clothesByColor);
}
else
{
// empty list
return(clothesByColor);
}
}
if (shapes != ShapeEnum.NONE)
{
List <Cloth> clothesByShape = clothDao.FindAllByShapes(shapes);
if (clothesByShape.Count > 0)
{
clothLists.Add(clothesByShape);
}
else
{
// empty list
return(clothesByShape);
}
}
if (!String.IsNullOrEmpty(words))
{
string[] patterns = words.Split(new char[] { ',', ' ', '\t' });
List <List <Cloth> > clothListsByWords = new List <List <Cloth> >();
foreach (string pattern in patterns)
{
if (!string.IsNullOrEmpty(pattern))
{
List <Cloth> clothesByPattern = clothDao.FindAllByPattern(pattern);
if (clothesByPattern.Count > 0)
{
clothListsByWords.Add(clothesByPattern);
}
}
}
if (clothListsByWords.Count > 0)
{
clothLists.Add(ClothUtil.UnionClothLists(clothListsByWords));
}
else
{
// empty list
return(new List <Cloth>());
}
}
return(ClothUtil.IntersectClothLists(clothLists));
}