public testpaper Add(testpaper tp)
{
// 取机构用户id
int organizationUserID = (int)tp.ID;
// 向试卷表中添加
tp = db.testpaper.Add(tp);
// 向生成关系表中添加
generate_testpaper_between_organizationuser_and_testpaper tmp = new generate_testpaper_between_organizationuser_and_testpaper
{
OrganizationUserID = organizationUserID,
TestPaperID = (int)tp.ID,
TimeOfGeneration = DateTime.Now
};
db.generate_testpaper_between_organizationuser_and_testpaper.Add(tmp);
db.SaveChanges();
return(tp);
}
public bool DeleteByID(int id)
{
testpaper tp;
if (TryGet(id, out tp))
{
// 过期试卷可以删除
if (DateTime.Now > tp.OverTime)
{
// 解除生成关系
generate_testpaper_between_organizationuser_and_testpaper tmp = db.generate_testpaper_between_organizationuser_and_testpaper.Where(p => p.TestPaperID == id).FirstOrDefault();
db.generate_testpaper_between_organizationuser_and_testpaper.Remove(tmp);
// 删除试卷
db.testpaper.Remove(tp);
db.SaveChanges();
return(true);
}
}
return(false);
}
