public async Task <IActionResult> Create(
[Bind("DepartmentId,Name,LastName,Image,Gender,Email,Phone,Id")] Models.Lecturer lecturer)
{
if (ModelState.IsValid)
{
_context.Add(lecturer);
await _context.SaveChangesAsync();
// Here we will work on image
var webRootPath = _webHostEnvironment.WebRootPath;
var files = HttpContext.Request.Form.Files;
var lecturerFromDb = await _context.Lecturers.FindAsync(lecturer.Id);
//======================== ===================== mean we choose a photo for lecturer =============================================
if (files.Any())
{
// validate only the image is allowed
if (files[0].ContentType != "image/jpeg")
{
ModelState.AddModelError(string.Empty, "Failed! Only image type is allowed.");
ViewData["DepartmentId"] = new SelectList(_context.Departments, "Id", "Name", lecturer.DepartmentId);
return(View(lecturer));
}
var upload = Path.Combine(webRootPath, "images");
var fileName = files[0].FileName;
await using (var fileStream =
new FileStream(Path.Combine(upload, lecturerFromDb.Id + "_" + fileName), FileMode.Create))
{
files[0].CopyTo(fileStream);
}
lecturerFromDb.Image = @"\images\" + lecturerFromDb.Id + "_" + fileName;
}
// mean we didn't upload photo, so we use the default one
else
{
if (lecturerFromDb.Gender.ToString() == "Male")
{
var upload = Path.Combine(webRootPath,
@"images\" + StaticDetails.ManTeacher);
System.IO.File.Copy(upload, webRootPath + @"\images\" + lecturerFromDb.Id + "_" + StaticDetails.ManTeacher);
lecturerFromDb.Image = @"\images\" + lecturerFromDb.Id + "_" + StaticDetails.ManTeacher;
}
else
{
var upload = Path.Combine(webRootPath,
@"images\" + StaticDetails.WomanTeacher);
System.IO.File.Copy(upload, webRootPath + @"\images\" + lecturerFromDb.Id + "_" + StaticDetails.WomanTeacher);
lecturerFromDb.Image = @"\images\" + lecturerFromDb.Id + "_" + StaticDetails.WomanTeacher;
}
}
await _context.SaveChangesAsync();
//=================================================== End Of Image ============================================================
return(RedirectToAction(nameof(Index)));
}
ViewData["DepartmentId"] = new SelectList(_context.Departments, "Id", "Name", lecturer.DepartmentId);
return(View(lecturer));
}
public async Task <IActionResult> Edit(int id, [Bind("DepartmentId,Name,LastName,Image,Gender,Email,Phone,Id")] Models.Lecturer lecturer)
{
if (id != lecturer.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
var webRootPath = _webHostEnvironment.WebRootPath;
var lecturerFromDb = await _context.Lecturers.FindAsync(id);
var files = HttpContext.Request.Form.Files;
//mean we choose another image, so we have to update this and remove the old one
if (files.Any())
{
// validate only the image is allowed
if (files[0].ContentType != "image/jpeg")
{
ModelState.AddModelError(string.Empty, "Failed! Only image type is allowed.");
ViewData["DepartmentId"] = new SelectList(_context.Departments, "Id", "Name", lecturer.DepartmentId);
return(View(lecturer));
}
var fileName = files[0].FileName;
var upload = Path.Combine(webRootPath, "images");
// Now let's delete the old one
// because we have added the (\), we have to remove this first
var oldImagePath = Path.Combine(webRootPath, lecturerFromDb.Image.Trim('\\'));
if (System.IO.File.Exists(oldImagePath))
{
System.IO.File.Delete(oldImagePath);
}
// Now let's add teh new one
await using (var fileStream =
new FileStream(Path.Combine(upload, id + "_" + fileName), FileMode.Create))
{
files[0].CopyTo(fileStream);
}
// If image is set we update the image
lecturerFromDb.Image = @"\images\" + id + "_" + fileName;
}
//here no image is choose we don't update the image field
lecturerFromDb.Name = lecturer.Name;
lecturerFromDb.LastName = lecturer.LastName;
lecturerFromDb.Gender = lecturer.Gender;
lecturerFromDb.DepartmentId = lecturer.DepartmentId;
lecturerFromDb.Email = lecturer.Email;
lecturerFromDb.Phone = lecturer.Phone;
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!LecturerExists(lecturer.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["DepartmentId"] = new SelectList(_context.Departments, "Id", "Name", lecturer.DepartmentId);
return(View(lecturer));
}
