public Canvas CreateCanvas(String name)
{
if (databaseContext.Canvases.Find(name) != null)
{
BadRequest("A canvas with this name already exists");
}
Canvas newCanvas = new Canvas();
newCanvas.Name = name;
newCanvas.Version = 1;
databaseContext.Canvases.Add(newCanvas);
databaseContext.SaveChanges();
CanvasImage canvasImage = new CanvasImage();
canvasImage.InitializeBitmap();
canvasImage.canvas = databaseContext.Canvases.Find(name);
canvasImage.Name = name;
databaseContext.CanvasImages.Add(canvasImage);
databaseContext.SaveChanges();
return(newCanvas);
}