protected override bool OnValidate()
{
if (ModuleGallery == null)
{
AddMessage(nameof(Image) + GetErrorMessageSufix(), new Message("Attempted to save image to non-existing gallery module", MessageTypes.Error));
return(false);
}
_image = ModuleGalleryImage.Query.SingleOrDefault(mgi => mgi.Id == Id && mgi.ModuleGalleryId == ModuleGallery.Id);
if (Id != 0 && _image == null)
{
AddMessage(nameof(Image) + GetErrorMessageSufix(), new Message("Image does not belong to current gallery module or does not exist", MessageTypes.Error));
return(false);
}
return(true);
}
protected override void OnSubmit(NTGDBTransactional transaction)
{
if (IsDelete)
{
if (Id != 0)
{
foreach (var link in ModuleGalleryImageLink.Query.Where(mgil => mgil.ModuleGalleryImageId == _image.Id))
{
link.Delete(transaction);
}
_image.Delete(transaction);
}
}
else
{
_image = _image ?? new ModuleGalleryImage();
_image.Image = Image;
_image.Position = Position;
_image.ModuleGalleryId = ModuleGallery.Id;
_image.Save(transaction);
var subFormSuccess = true;
if (Links != null)
{
var subForm = new CreateEditModuleGalleryImageLinkSubFormModel();
var positionReduction = 0;
foreach (var link in Links.OrderBy(l => l.Position))
{
if (link.IsDelete)
{
positionReduction++;
}
else if (positionReduction > 0)
{
link.IsModified = true;
link.Position -= positionReduction;
}
if (link.IsModified || link.IsDelete)
{
subForm.Id = link.Id;
subForm.Text = link.Text;
subForm.Image = link.Image;
subForm.Position = link.Position;
subForm.ModuleGalleryImage = _image;
subForm.IsDelete = link.IsDelete;
subForm.IsNewImage = Id == 0;
subForm.Submit(transaction, Messages);
subFormSuccess = subFormSuccess && subForm.Success;
link.Id = subForm.Id;
link.ModuleGalleryImageId = subForm.ModuleGalleryImage.Id;
link.IsModified = false;
}
}
}
if (subFormSuccess)
{
Id = _image.Id;
if (Links != null)
{
Links.RemoveAll(l => l.IsDelete);
}
}
}
}