/// <summary>
/// 用户参加考试，返回根据考卷模板生成最终的考试卷
/// </summary>
/// <param name="userId">用户ID</param>
/// <param name="examId">准备参考的试卷</param>
/// <remarks></remarks>
public NewExamPaper TakeExam(long userId, long examId)
{
var examManage = new ExamsManage(examId);
var newExamPaper = examManage.CreateNewExamPaper();
if (newExamPaper != null)
{
//将题目信息初始化为作答信息
var results = newExamPaper.Questions.Select(p => new UserExamQuestionResult(p)).ToList();
//将新参考试卷到数据库
UserExamInitRequest request = new UserExamInitRequest
{
UserExamId = newExamPaper.PaperId,
ExamId = examId,
UserId = userId,
CreateTime = newExamPaper.CreateTime,
QuestionsResults = results
};
var userExamInit = new UserExamInit(request);
bool success = userExamInit.Save();
if (success)
{
return(newExamPaper);
}
}
return(null);
}
/// <summary>
/// 初始化一个<see cref="UserExamInit"/>对象实例
/// </summary>
/// <param name="request"></param>
public UserExamInit(UserExamInitRequest request)
{
if (request != null)
{
this.request = request;
ID = request.UserExamId;
}
}