public JsonResult DeleteFile(string id)
{
if (String.IsNullOrEmpty(id))
{
Response.StatusCode = (int)HttpStatusCode.BadRequest;
return(Json(new { Result = "Error" }));
}
try
{
Guid guid = new Guid(id);
BlobSummary fileDetail = _context.BlobSummary.Find(guid);
if (fileDetail == null)
{
Response.StatusCode = (int)HttpStatusCode.NotFound;
return(Json(new { Result = "Error" }));
}
//Remove from database
_context.BlobSummary.Remove(fileDetail);
_context.SaveChanges();
return(Json(new { Result = "OK" }));
}
catch (Exception ex)
{
return(Json(new { Result = "ERROR", ex.Message }));
}
}
public async Task <IActionResult> Edit(FileDetail detail)
{
if (ModelState.IsValid)
{
try
{
List <BlobSummary> Blobs = new List <BlobSummary>();
for (int i = 0; i < Request.Form.Files.Count; i++)
{
var file = Request.Form.Files[i];
if (file != null)
{
var fileName = Path.GetFileName(file.FileName);
BlobSummary summary = new BlobSummary()
{
FileName = fileName,
Extension = Path.GetExtension(fileName),
Id = Guid.NewGuid(),
Blob = GenerateBlob(file),
ContentType = Request.Form.Files[i].ContentType
};
Blobs.Add(summary);
_context.Entry(summary).State = EntityState.Added;
}
}
detail.Modified = DateTime.Now;
detail.Blobs = Blobs;
// _context.Entry(detail).State = EntityState.Modified;
_context.Update(detail);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
catch (DbUpdateConcurrencyException)
{
if (!FileDetailExists(detail.Id))
{
return(NotFound());
}
else
{
throw;
}
}
}
return(View(detail));
}
public async Task <IActionResult> Create(FileDetail detail)
{
if (ModelState.IsValid)
{
try
{
List <BlobSummary> fileDetails = new List <BlobSummary>();
for (int i = 0; i < Request.Form.Files.Count; i++)
{
var file = Request.Form.Files[i];
if (file != null)
{
var fileName = Path.GetFileName(file.FileName);
BlobSummary fileDetail = new BlobSummary()
{
FileName = fileName,
Extension = Path.GetExtension(fileName),
Id = Guid.NewGuid(),
Blob = GenerateBlob(file),
ContentType = Request.Form.Files[i].ContentType
};
fileDetails.Add(fileDetail);
}
}
detail.Modified = DateTime.Now;
detail.Blobs = fileDetails;
_context.FileDetail.Add(detail);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
}
return(RedirectToAction(nameof(Index)));
}
return(View(detail));
}
public IActionResult Download(String id, String fileName)
{
BlobSummary val = null;
if (!string.IsNullOrEmpty(id))
{
val = _context.BlobSummary.Where(x => x.Id == Guid.Parse(id)).FirstOrDefault();
}
var content = new MemoryStream(val.Blob);
return(File(content, val.ContentType, fileName));
//Response.Clear();
//Response.Buffer = true;
//Response.Charset = "";
//Response.Cache.SetCacheability(HttpCacheability.NoCache);
//Response.ContentType = val.ContentType;
//Response.AppendHeader("Content-Disposition", "attachment; filename=" + d);
//Response.BinaryWrite(val.Blob);
//Response.Flush();
//Response.End();
}