public void Handle(SavePicture notification)
{
if (!notification.HasImage())
{
throw new InvalidOperationException("No Image was uploaded.");
}
StudentPicture studentPicture = _dbContext.StudentPictures
.Where(e => e.StudentId.Equals(_currentUser.User.Id))
.SingleOrDefault(e => e.ImageType == notification.Type) ??
new StudentPicture {
ImageType = notification.Type
};
studentPicture.StudentId = _currentUser.User.Id;
studentPicture.DateSubmitted = DateTime.Now;
studentPicture.ImageName = notification.FileName;
studentPicture.ImageData = notification.ImageData;
studentPicture.MimeType = notification.MimeType;
if (studentPicture.Id == default(int))
{
_dbContext.StudentPictures.Add(studentPicture);
}
else
{
ObjectStateManager objectStateManager =
((IObjectContextAdapter)_dbContext).ObjectContext.ObjectStateManager;
_dbContext.StudentPictures.Attach(studentPicture);
objectStateManager.ChangeObjectState(studentPicture, EntityState.Modified);
}
_dbContext.SaveChanges();
}
public WebImage Handle(GetPicture request)
{
StudentPicture studentPicture = _dbContext.StudentPictures
.Where(e => e.StudentId.Equals(request.UserId))
.SingleOrDefault(e => e.ImageType == request.Type);
return(studentPicture == null ?
new WebImage(HostingEnvironment.MapPath(@"~/Content/images/male_silhouette.png"))
: new WebImage(studentPicture.ImageData));
}
public static ImageModel Create(StudentPicture studentPicture)
{
if (studentPicture == null)
{
return(new ImageModel());
}
var model = new ImageModel
{
ImageString =
string.Format("data:{0};base64,{1}", studentPicture.MimeType,
Convert.ToBase64String(studentPicture.ImageData))
};
return(model);
}
