public Article Add(Article article)
{
using (var ctx = new TOFELDBContext())
{
var result = ctx.Articles.Add(article);
ctx.SaveChanges();
return(result);
}
}
public IEnumerable <Article> AddRange(IEnumerable <Article> articles)
{
using (var ctx = new TOFELDBContext())
{
var result = ctx.Articles.AddRange(articles);
ctx.SaveChanges();
return(result);
}
}
public bool Delete(int id)
{
using (var ctx = new TOFELDBContext())
{
try
{
var deleteCandidate = ctx.Articles.Find(id);
if (deleteCandidate != null)
{
ctx.Articles.Remove(deleteCandidate);
}
ctx.SaveChanges();
return(true);
}
catch (Exception exc)
{
return(false);
}
}
}
public Article Update(Article item)
{
using (var ctx = new TOFELDBContext())
{
var updateCandidate = ctx.Articles.Find(item.ArticleId);
if (updateCandidate != null)
{
try
{
ctx.Articles.Attach(item);
ctx.Entry(item).State = EntityState.Modified;
ctx.SaveChanges();
}
catch (Exception ex)
{
throw;
}
}
return(updateCandidate);
}
}