public Boolean delete_winform_use_only(HinhAnh obj)
{
try
{
string url = Setting.get_by_key("path_to_website") + "/ImageUpload/Delete?hinhanh_id=" + obj.id;
WebClient webClient = new WebClient();
string result = webClient.DownloadString(url);
if (TextLibrary.ToBoolean(result.Substring(0,1)))
{
_db.Entry<HinhAnh>(obj).State = System.Data.EntityState.Detached;
return true;
}
else return false;
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
return false;
}
}
//method
public void change(HinhAnh ha)
{
duongdan = ha.duongdan;
duongdan_thumb = ha.duongdan_thumb;
macdinh = ha.macdinh;
if(ha.sanpham != null) sanpham = ha.sanpham;
}
public void _set_hinhanh_macdinh(HinhAnh ha)
{
_get_hinhanh_macdinh().macdinh = false;
ha.macdinh = true;
}
public HinhAnh _get_hinhanh_macdinh()
{
HinhAnh tmp = this.ds_hinhanh.Where(x => x.macdinh == true).FirstOrDefault();
if (tmp == null)
{
tmp = new HinhAnh();
tmp.duongdan =tmp.duongdan_thumb= "default.jpg";
}
return tmp;
}
private void btThemHinhAnh_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Multiselect = true;
ofd.ShowDialog();
bool file_ok = false;
foreach (string path in ofd.FileNames)
{
if (path.Trim() == "") continue;
HinhAnh ha = new HinhAnh();
ha.source_picture_from_web = false;
ha.duongdan = path;
ha.duongdan_thumb = path;
sp.ds_hinhanh.Add(ha);
file_ok = true;
}
if (file_ok)
{
LoadDTGV_HinhAnh();
MessageBox.Show("Thêm thành công.");
IsChange = true;
}
}
public int add(HinhAnh dt)
{
_db.ds_hinhanh.Add(dt);
_db.SaveChanges();
return _db.ds_hinhanh.Max(x => x.id);
}
public HinhAnh upload_winform_use_only(string local_file_path="")
{
string fileToUpload = local_file_path;
string url = Setting.get_by_key("path_to_website") + "/ImageUpload/Index";
using (var client = new WebClient())
{
byte[] result = client.UploadFile(url, "POST", fileToUpload);
string responseAsString = Encoding.UTF8.GetString(result);
//ngan ket qua bang cac dau |
string[] file_names = responseAsString.Split('|');
HinhAnh re = new HinhAnh();
re.duongdan = file_names[0];
re.duongdan_thumb = file_names[1];
return re;
}
}
public HinhAnh upload_mvc_use_only(HttpServerUtilityBase server_context, HttpFileCollectionBase file_list)
{
Debug.WriteLine("file count: "+file_list.Count);
//pre setting
int max_width_height = 300;
String relative_directory = "~/_Upload/HinhAnh/";
//
String server_path = "";
String server_path_thumb = "";
foreach (string file_name in file_list)
{
HttpPostedFileBase hpf = file_list[file_name];
string _ext = Path.GetExtension(hpf.FileName);
String random_prefix = TextLibrary.GetSHA1HashData(DateTime.Now.ToLongDateString() + DateTime.Now.ToLongTimeString() + file_name).Substring(0,20);
server_path = server_context.MapPath(Path.Combine(relative_directory, random_prefix + _ext /* + Path.GetFileName(hpf.FileName)*/));
server_path_thumb = server_context.MapPath(Path.Combine(relative_directory, "_thumb_" + random_prefix + _ext /* + Path.GetFileName(hpf.FileName)*/));
if (hpf.ContentLength == 0)
{
continue;
}
HinhAnh hinhanh = new HinhAnh();
//save origin
hpf.SaveAs(server_path);
hinhanh.duongdan = random_prefix + _ext;
//save thumb
Image imgOriginal = Image.FromFile(server_path);
Image hinhanh_thumb = ImageLibrary.ScaleBySize(imgOriginal, max_width_height);
imgOriginal.Dispose();
hinhanh_thumb.Save(server_path_thumb);
hinhanh_thumb.Dispose();
hinhanh.duongdan_thumb = "_thumb_" + random_prefix + _ext;
//add to re
return hinhanh;
}
return new HinhAnh();
}
public Boolean edit(HinhAnh kt)
{
if (this.is_exist(kt.id))
{
HinhAnh obj = this.get_by_id(kt.id);
obj.duongdan = kt.duongdan;
_db.SaveChanges();
return true;
}
return false;
}