//add a like
public int Add(string headWord)
{
try
{
Guid userId = (Guid)Membership.GetUser().ProviderUserKey;
//check have liked
if (context.Favorites.Find(headWord, userId) != null)
{
return(LikeModel.EXISTED);
}
else
{
Favorite favorite = new Favorite();
favorite.HeadWord = headWord;
favorite.UserId = userId;
favorite.DateAdd = DateTime.Now;
context.Favorites.Add(favorite);
context.SaveChanges();
return(LikeModel.SUCCESS);
}
}
catch
{
return(LikeModel.FAIL);
}
}
//add searching history
public int AddSearchHistory(string keyword, bool isExist)
{
try
{
SearchHistory searchHistory = context.SearchHistories.Find(keyword);
if (searchHistory == null)
{
searchHistory = new SearchHistory();
searchHistory.Keyword = keyword;
searchHistory.IsExist = isExist;
searchHistory.Counter = 1;
searchHistory.DateModify = DateTime.Now;
//add new
context.SearchHistories.Add(searchHistory);
}
else
{
searchHistory.IsExist = isExist;
searchHistory.Counter++;
searchHistory.DateModify = DateTime.Now;
//increment count
context.Entry(searchHistory).State = EntityState.Modified;
}
//change context
return(context.SaveChanges());
}
catch
{
return(0);
}
}
// Add new question
public int NewQuestion(Question question)
{
context.Questions.Add(question);
return(context.SaveChanges());
}