public async Task <IActionResult> Edit(int?id)
{
if (id == null)
{
return(NotFound());
}
var teacher = await _context.Teachers.Where(t => t.Id == id).FirstOrDefaultAsync();
if (teacher == null)
{
return(NotFound());
}
string imagePath = null;
if (teacher.CoverPhoto != null)
{
imagePath = GetFilePathShow(teacher.CoverPhoto);
}
var model = new TeacherEditBindingModel
{
Id = teacher.Id,
Description = teacher.Description.Replace("<br />", Environment.NewLine),
Name = teacher.Name,
ImagePath = GetFilePathShow(teacher.CoverPhoto),
ImageFileFromDatabase = teacher.CoverPhoto
};
return(View(model));
}
public async Task <IActionResult> Edit(int id, TeacherEditBindingModel teacher)
{
if (id != teacher.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
string filePath = null;
//upload image
if (teacher.ImageFile != null && teacher.ImageFile.Length > 0)
{
filePath = await UploadImageAsync(teacher.ImageFile);
if (filePath == null)
{
ModelState.AddModelError("ImageFile", "Invalid File Type!");
return(View());//todo
}
}
else
{
filePath = teacher.ImageFileFromDatabase;
}
Teacher teacherToUpdate = new Teacher
{
Id = teacher.Id,
Name = teacher.Name,
Description = teacher.Description.Replace("\r\n", "<br />").Replace("\n", "<br />"),
CoverPhoto = filePath
};
_context.Update(teacherToUpdate);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!PostExists(teacher.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(teacher));
}
