private bool SaveMessageHashtags(IEnumerable <string> tags, long messageId, out string error)
{
error = string.Empty;
try
{
foreach (var tag in tags.Distinct())
{
if (String.IsNullOrEmpty(tag) || tag.Length == 1)
{
continue;
}
var name = tag.Substring(1);
var entity = DiscussionHashtagRepository.Get(x => x.HashTag.ToLower() == name.ToLower());
if (entity == null)
{
continue;
}
if (DiscussionMessageHashtagRepository.IsAny(x => x.MessageId == messageId && x.HashtagId == entity.HashtagId))
{
continue;
}
DiscussionMessageHashtagRepository.Add(new DSC_MessageHashtags
{
MessageId = messageId
, HashtagId = entity.HashtagId
});
}
DiscussionMessageHashtagRepository.UnitOfWork.CommitAndRefreshChanges();
return(true);
}
catch (Exception ex)
{
DiscussionMessageHashtagRepository.UnitOfWork.RollbackChanges();
error = Utils.FormatError(ex);
Logger.Error("SaveMessageHashtags", messageId, ex, CommonEnums.LoggerObjectTypes.Discussion);
return(false);
}
}
private long?FindHashtagByName(string q)
{
var entity = DiscussionHashtagRepository.Get(x => x.HashTag.ToLower() == q.ToLower());
return(entity == null ? (long?)null : entity.HashtagId);
}