public ActionResult DeleteConfirmed(int id)
{
CurrentResearch currentResearch = db.CurrentResearches.Find(id);
// get the filename, if one exists
if (currentResearch.Image != null)
{
var fileName = Path.GetFileName(currentResearch.Image);
// get the path to the file
var path = Path.Combine(Server.MapPath("~/Images/CurrentResearch"), fileName);
// delete the file
try
{
if (System.IO.File.Exists(path))
{
System.IO.File.Delete(path);
}
}
catch (Exception)
{
ModelState.AddModelError("uploadError", "Can't delete the file.");
}
}
db.CurrentResearches.Remove(currentResearch);
db.SaveChanges();
return(RedirectToAction("Index"));
}
private void SetResearchViews()
{
ResearchQueue.Items.Clear();
if (_viewModel.ProjectQueue.Count > 0)
{
CurrentResearch.SetViewModel(_viewModel.ProjectQueue[0]);
foreach (var item in _viewModel.ProjectQueue.Skip(1))
{
ResearchQueue.Items.Add(new ScientistResearchView(item));
}
}
}
// GET: /CurrentResearch/Details/5
public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
CurrentResearch currentResearch = db.CurrentResearches.Find(id);
if (currentResearch == null)
{
return(HttpNotFound());
}
return(View(currentResearch));
}
public ActionResult Create([Bind(Include = "ID,Title,Description,Image,DisplayOrder")] CurrentResearch currentResearch, HttpPostedFileBase file)
{
if (file != null)
{
// if file's content length is zero or no files submitted
if (Request.Files.Count != 1 || Request.Files[0].ContentLength == 0)
{
ModelState.AddModelError("uploadError", "Please select an image to upload.");
return(View(currentResearch));
}
// check the file size (max 4 Mb)
if (Request.Files[0].ContentLength > 1024 * 1024 * 4)
{
ModelState.AddModelError("uploadError", "File size can't exceed 4 MB");
return(View(currentResearch));
}
// check file extension
string extension = Path.GetExtension(Request.Files[0].FileName).ToLower();
if (extension != ".jpg" && extension != ".jpeg" && extension != ".gif" && extension != ".png")
{
ModelState.AddModelError("uploadError", "Supported file extensions: jpg, jpeg, gif, png");
return(View(currentResearch));
}
// extract only the filename
var fileName = Path.GetFileName(file.FileName);
// store the file inside ~/Images folder
var path = Path.Combine(Server.MapPath("~/Images/CurrentResearch"), fileName);
try
{
if (!System.IO.File.Exists(path))
{
Request.Files[0].SaveAs(path);
//System.IO.File.Delete(path);
}
else
{
ModelState.AddModelError("uploadError", "An image with that name already exists. Please rename your image.");
return(View(currentResearch));
}
}
catch (Exception)
{
ModelState.AddModelError("uploadError", "Can't save file to disk");
}
}
if (ModelState.IsValid)
{
if (file != null)
{
currentResearch.Image = file.FileName;
}
else
{
currentResearch.Image = null;
}
db.CurrentResearches.Add(currentResearch);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(currentResearch));
}
