public async Task <Label> CreateAsync(string decodedString, LabelType type)
{
var factory = LabelFactory.Create(type);
var label = await factory.CreateAsync(decodedString);
_context.Labels.Add(label);
await _context.SaveChangesAsync();
return(label);
}
public ActionResult <IEnumerable <LabelView> > SaveOrUpdateLabels(long topicId, string imageId, [FromBody] IEnumerable <LabelView> labelViews)
{
return(Execute(topicId, (topic) =>
{
#region validation
CheckMandatoryParameter(nameof(imageId), imageId);
CheckMandatoryParameter(nameof(labelViews), labelViews);
if (!ImageService.ExistsImage(topic, imageId))
{
return NotFound(Messages.ImageNotFound(imageId));
}
// check referenced objectclass ids
var objectClasses = ObjectClassService.GetObjectClasses(topic);
foreach (var labelView in labelViews)
{
if (!objectClasses.Any(o => o.Id == labelView.ObjectClassId))
{
return NotFound(Messages.ObjectClassNotFound(labelView.ObjectClassId));
}
}
ImageLabel image = ImageService.GetImageLabel(topic, imageId);
if (labelViews.Any(o => o.Right > image.Width || o.Bottom > image.Height))
{
return BadRequest(Messages.LabelCoordinatesOutsideOfImage(image.Width, image.Height));
}
#endregion
// convert labelview to labels
List <Label> labels = new List <Label>();
foreach (LabelView labelView in labelViews)
{
var label = LabelFactory.Create(labelView);
label.ObjectClass = objectClasses.Single(o => o.Id == label.ObjectClassId);
labels.Add(label);
}
// save labels
IEnumerable <Label> savedLabels = LabelService.SaveLabels(topic, image, labels);
// convert result to labelviews
List <LabelView> savedLabelViews = new List <LabelView>();
foreach (Label label in savedLabels)
{
savedLabelViews.Add(LabelFactory.CreateView(label));
}
return Ok(savedLabelViews);
}));
}
