private QuestionInfo UpdateQuestion(QuestionInfo questionInfo)
{
//先加载出来数据库当前这个问题的数据
//保存原有的答案
//对比现在的答案得到已删除的答案
//更新问题数据
DbModel.QuestionInfo question = InternalLoad(questionInfo.Id);
question.QuestionName = questionInfo.Name;
question.QuestionScore = questionInfo.QuestionScore;
question.QuestionType = (DbModel.QuestionType)questionInfo.QuestionType;
question = _repository.Save(question);
//保存问题答案
if (questionInfo.Solutions != null && questionInfo.Solutions.Count() > 0)
{
IEnumerable <SolutionInfo> oldSolutions = QuerySolutions(questionInfo.Id);
List <SolutionInfo> deleteSolutions = new List <SolutionInfo>();
foreach (SolutionInfo item in oldSolutions)
{
SolutionInfo solution = questionInfo.Solutions.FirstOrDefault(p => p.Name.Equals(item.Name));
if (solution == null)
{
deleteSolutions.Add(item);
}
else
{
solution.Id = item.Id;
solution.RelationId = item.RelationId;
}
}
SaveRelation(questionInfo);
RemoveRelation(questionInfo, deleteSolutions);
}
return(questionInfo);
}
public QuestionInfo Load(int questionId)
{
DbModel.QuestionInfo question = InternalLoad(questionId);
if (question == null)
{
return(null);
}
QuestionInfo result = new QuestionInfo();
result.Id = question.Id;
result.Name = question.QuestionName;
result.QuestionScore = question.QuestionScore;
result.QuestionType = (QuestionType)question.QuestionType;
result.QuestionGroupName = question.QuestionGroupName;
result.Solutions = QuerySolutions(question.Solutions);
return(result);
}
private QuestionInfo CreateQuestion(QuestionInfo questionInfo)
{
//创建的时候答案肯定是没有的，所以不用判断relation
DbModel.QuestionInfo question = new DbModel.QuestionInfo();
question.QuestionName = questionInfo.Name;
question.QuestionScore = questionInfo.QuestionScore;
question.QuestionType = (DbModel.QuestionType)questionInfo.QuestionType;
question.QuestionGroupName = questionInfo.QuestionGroupName;
question.CreateUserId = _loginUser.Id;
question.CreateDate = DateTime.Now;
question = _repository.Save(question);
questionInfo.Id = question.Id;
//保存答案
if (questionInfo.Solutions != null && questionInfo.Solutions.Count() > 0)
{
SaveRelation(questionInfo);
}
return(questionInfo);
}