public bool Update(NewsVM model)
{
var news = new News();
try
{
model.Image = UploadHelper.GetImageName(model.Image, "news", "news");
model.CoverImage = UploadHelper.GetImageName(model.CoverImage, "news-cover", "news");
model.ShareImage = UploadHelper.GetImageName(model.ShareImage, "news-share", "news");
model.Slug = LanguageHelper.GenerateSlug(model.Slug);
using (var scope = new TransactionScope())
{
if (model.Id == 0)
{
news.Update(model);
_db.News.Add(news);
}
else
{
news = _db.News.Include("Translations").Include(e => e.NewsToTags).Include(e => e.AttachedFiles).Where(x => x.Id == model.Id).FirstOrDefault();
news.Update(model);
}
news.UpdateTranslations(model.Translations);
news.UpdateTags(model.TagsId);
// attached files
if (model.AttachedFiles != null && model.AttachedFiles.Count() > 0)
{
news.UpdateFiles(model.AttachedFiles);
}
//remove files
if (model.Id != 0 && news.AttachedFiles != null)
{
var removedFiles = news.AttachedFiles.Where(x => !model.AttachedFiles.Any(q => q.Id == x.Id)).ToList();
_db.AttachedFiles.RemoveRange(removedFiles);
}
//remove category
if (news.Id != 0 && model.TagsId != null)
{
var removedTags = _db.NewsToTags.Where(x => x.NewsId == news.Id && !model.TagsId.Contains(x.TagsId)).ToList();
_db.NewsToTags.RemoveRange(removedTags);
}
_db.SaveChanges();
scope.Complete();
}
return(true);
}
catch (Exception ex)
{
logger.Error(ex);
return(false);
}
}
public JsonResult GenerateSlug(string slug)
{
var index = 0;
var generatedSlug = LanguageHelper.GenerateSlug(slug);
var newSug = generatedSlug;
while (CheckSlug(newSug))
{
index++;
newSug = generatedSlug + "-" + index.ToString();
}
return(Json(new
{
slug = newSug
}));
}