public ActionResult EditPicture(EditProfilePicture model)
{
model.TeacherId = this.User.Identity.GetUserId();
if (this.ModelState.IsValid && model.Image != null)
{
if (IsImage(model.Image))
{
var service = CreateTeacherService();
if (service.UpdateProfilePicture(model))
{
TempData["SaveResult"] = "Your picture was successfully updated.";
return(RedirectToAction("Detail", new { id = model.TeacherId }));
}
else
{
TempData["ErrorMessage"] = "Profile picture could not be updated.";
return(RedirectToAction("Detail", new { id = model.TeacherId }));
}
}
else
{
TempData["ErrorMessage"] = "Please select an image file.";
return(RedirectToAction("Detail", new { id = model.TeacherId }));
}
}
else
{
TempData["ErrorMessage"] = "Profile picture could not be updated.";
return(RedirectToAction("Detail", new { id = model.TeacherId }));
}
}
public bool UpdateProfilePicture(EditProfilePicture model)
{
using (var ctx = new ApplicationDbContext())
{
var entity = ctx.Teachers.Find(model.TeacherId);
if (entity == null)
{
return(false);
}
else
{
if (entity.ProfilePicture == null)
{
var profilePicture = _fileHelper.BuildProfilePicture(model.Image);
entity.ProfilePicture = profilePicture;
var numberOfChanges = ctx.SaveChanges();
return(numberOfChanges == 2);
}
else
{
var updatedPicture = _fileHelper.UpdateProfilePicture(entity.ProfilePicture, model.Image);
entity.ProfilePicture = updatedPicture;
var numberOfChanges = ctx.SaveChanges();
return(numberOfChanges == 1);
}
}
}
}