private ClassifiedImage FromDbImage(ClassifiedDbImage dbImage)
{
return(new ClassifiedImage()
{
Id = dbImage.Id,
Name = dbImage.Name,
Class = dbImage.Class,
Confidence = dbImage.Confidence,
RetrieveCount = dbImage.RetrieveCount,
ImageBase64 =
Convert.ToBase64String(dbImage.Image.Bytes)
});
}
public ClassifiedImage FindImage(NewImage newImage)
{
using (ImageDbContext dbContext = new ImageDbContext())
{
var dbImages = dbContext.ClassifiedImages.
Where(img => img.Name.Equals(newImage.Name)).
ToList();
if (dbImages.Any())
{
ClassifiedDbImage dbImage = dbImages.First();
dbContext.Entry(dbImage).Reference(img => img.Image).Load();
if (Enumerable.SequenceEqual(dbImage.Image.Bytes,
Convert.FromBase64String(newImage.ImageBase64)))
{
dbImage.RetrieveCount += 1;
dbContext.SaveChanges();
return(FromDbImage(dbImage));
}
}
}
return(null);
}
public ClassifiedImage PutImage(ClassifiedImage classifiedImage)
{
ClassifiedDbImage dbImage = new ClassifiedDbImage()
{
Name = classifiedImage.Name,
Class = classifiedImage.Class,
Confidence = classifiedImage.Confidence,
RetrieveCount = classifiedImage.RetrieveCount,
};
using (ImageDbContext dbContext = new ImageDbContext())
{
Blob blob = new Blob()
{
Bytes = Convert.FromBase64String(classifiedImage.ImageBase64)
};
dbContext.Add(blob);
dbImage.Image = blob;
dbContext.Add(dbImage);
dbContext.SaveChanges();
}
classifiedImage.Id = dbImage.Id;
return(classifiedImage);
}
