public DanhSachThietBi Tim_ThietBi_TheoGia(DanhSachThietBi a, float gia, int loai)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in a.DS)
{
switch ((Gia)loai)
{
case Gia.TongGia:
if (item.TinhGia() == gia)
{
kq.Them(item);
}
break;
case Gia.GiaCPU:
if (item.GiaCPU == gia)
{
kq.Them(item);
}
break;
case Gia.GiaRAM:
if (item.GiaRAM == gia)
{
kq.Them(item);
}
break;
default:
break;
}
}
return(kq);
}
public DanhSachThietBi PhanLoai_ThietBi(DanhSachThietBi DS, int loai)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in DS.DS)
{
switch ((PhanLoai)loai)
{
case PhanLoai.MayTinh:
if (item is MayTinh)
{
kq.Them(item);
}
break;
case PhanLoai.MayAnh:
if (item is MayAnh)
{
kq.Them(item);
}
break;
default:
break;
}
}
return(kq);
}
public DanhSachThietBi DS_MA(DanhSachThietBi a)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in a.ds)
{
if (item is MayAnh)
{
kq.Them(item);
}
}
return(kq);
}
public DanhSachThietBi TimTheoGia(DanhSachThietBi a, float gia)
{
DanhSachThietBi kq = new DanhSachThietBi();
foreach (var item in a.ds)
{
if (item.TinhGia() == gia)
{
kq.Them(item);
}
}
return(kq);
}
public DanhSachThietBi TimThietBiCPUMin(DanhSachThietBi a)
{
DanhSachThietBi kq = new DanhSachThietBi();
float min = a.TimMinCPU();
foreach (var item in a.ds)
{
if (item.GiaCPU == min)
{
kq.Them(item);
}
}
return(kq);
}
public DanhSachThietBi TimMAGiaMin(DanhSachThietBi a)
{
DanhSachThietBi ds = DS_MA(a);
DanhSachThietBi kq = new DanhSachThietBi();
float min = ds.TimMinGia();
foreach (var item in a.ds)
{
if (item.TinhGia() == min)
{
kq.Them(item);
}
}
return(kq);
}
public DanhSachThietBi TimMTGiaMax(DanhSachThietBi a)
{
DanhSachThietBi ds = DS_MT(a);
DanhSachThietBi kq = new DanhSachThietBi();
float max = ds.TimMaxGia();
foreach (var item in a.ds)
{
if (item.TinhGia() == max)
{
kq.Them(item);
}
}
return(kq);
}