}//SaveFile
private static void AttachToTopic(string topicID, GarfielderEntities db, XFile file)
{
//refID proccess
var objID = Guid.Parse(topicID);
if (objID == Guid.Empty)
{
return;
}
var obj = file.Topics.SingleOrDefault(x => x.Id == objID);
//exists
if (obj != null)
{
return;
}
//attach
file.Topics.Add(db.Topics.Single(x => x.Id.Equals(objID)));
db.SaveChanges();
}
/// <summary>
/// Save current file uploaded
/// </summary>
/// <param name="req"></param>
/// <returns></returns>
public static VMXFileEdit SaveFile(HttpRequestBase req)
{
var vm = new VMXFileEdit();
vm.NoFlash = true;
if (req.Files.Count == 0 || req.Files[0].FileName == "" || req.Files[0].ContentLength == 0)
{
vm.Error = true;
vm.Msg = "No file selected!Please select a file to upload!";
return(vm);
}
;
var refid = req.Params["RefId"];
var uid = req.Params["UserID"];
var uname = req.Params["UserName"];
var fileName = req.Files[0].FileName.CHSToPinyin("-").ToLower();
var path0 = getFileName(uname, fileName); //虚拟路径
var path1 = Path.Combine(_uploadsFolder, uname, DateTime.Now.ToString("yyyyMMdd")); //物理路径
//db op
using (var db = new GarfielderEntities())
{
var dbm = db.XFiles.SingleOrDefault(x => x.Name == path0);
if (dbm == null)
{
//save to disk
vm.Name = path0;
if (!Directory.Exists(path1))
{
Directory.CreateDirectory(path1);
}
try
{
vm.Title = req.Files[0].FileName;
vm.Description = vm.Title;
vm.Extension = vm.Name.Substring(vm.Name.LastIndexOf("."));
vm.Id = Guid.NewGuid();
vm.CreatedAt = DateTime.Now;
path1 = string.Format("{0}\\{1}", path1, fileName);
req.Files[0].SaveAs(path1);
//图片缩略图处理);
if (IsImg(vm.Extension))
{
//大图800x600
var tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.L800X600), 800, 600, true);
vm.MetaData.Width = tempObj.RawSize.Width;
vm.MetaData.Height = tempObj.RawSize.Height;
//原图
vm.MetaData.AddThumb(ImageFlags.RAW,
string.Format("{0}{1}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name),
vm.MetaData.Width, vm.MetaData.Height);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.L800X600,
string.Format("{0}{1}_800x600{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
//中大图500x500
tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.L500X500), 500, 500, true);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.L500X500,
string.Format("{0}{1}_500x500{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
//中
tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.M300X300), 300, 300, true);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.M300X300,
string.Format("{0}{1}_300x300{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
//中小图
tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.M160X160), 160, 160, true);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.M160X160,
string.Format("{0}{1}_160x160{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.S160X100), 160, 100);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.S160X100,
string.Format("{0}{1}_160x100{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
//小
tempObj = ImageResizer.GetThumbnail(path1, GetImgName(path1, ImageFlags.S64X64), 64, 64);
if (!tempObj.Error)
{
vm.MetaData.AddThumb(ImageFlags.S64X64,
string.Format("{0}{1}_64x64{2}",
Garfielder.Web.Utils.AbsoluteWebRoot, vm.Name1,
vm.Extension), tempObj.NewSize.Width, tempObj.NewSize.Height);
}
}
; //IsImg
dbm = new XFile();
dbm.Id = vm.Id;
dbm.Name = path0;
dbm.Url = path0;
dbm.Title = vm.Title;
dbm.Description = vm.Description;
dbm.Extension = vm.Extension;
dbm.CreatedAt = dbm.ModifiedAt = vm.CreatedAt;
dbm.Meta = vm.Meta;
dbm.UserID = Guid.Parse(uid);
db.CommandTimeout = 0;
db.AddToXFiles(dbm);
db.SaveChanges();
ClearCache();
//attach to topic
AttachToTopic(refid, db, dbm);
}
catch (Exception ex)
{
//TODO:log
vm.Error = true;
vm.Msg = ex.Message;
}//TRY
}
else
{
//FILE Exists
vm.Error = true;
vm.Msg = string.Format("File {0} exists!", path0);
//attach to topic
AttachToTopic(refid, db, dbm);
};
};//using
return(vm);
}//SaveFile