private static bool DeleteLecture(SettingAjaxParam ajaxParam)
{
using (var db = new ApplicationDbContext())
{
try
{
var lecture = db.Lectures.Find(ajaxParam.Id);
var sublectures = db.SubLectures.Where(x => x.LectureId == lecture.Id);
if (sublectures.Any())
{
var questions = db.Questions.Where(x => sublectures.Any(y => y.Id == x.SubLectureId));
if (questions.Any())
{
db.Questions.RemoveRange(questions);
}
db.SubLectures.RemoveRange(db.SubLectures.Where(x => x.LectureId == lecture.Id));
}
db.Lectures.Remove(lecture);
db.SaveChanges();
}
catch
{
return(false);
}
}
return(true);
}
private static SubLecture AddSubLecture(SettingAjaxParam ajaxParam)
{
var showOrder = 1;
if (new ApplicationDbContext().SubLectures.Any())
{
showOrder = new ApplicationDbContext().SubLectures.Max(x => x.ShowOrder) + 1;
}
var subLecture = new SubLecture
{
LectureId = ajaxParam.ParentId,
SubLectureName = ajaxParam.Text,
ShowOrder = showOrder,
StartDateTime = DateTime.Now,
EndDateTime = DateTime.Now,
Role = HogwartsSettingUtility.GetSetting(HogwartsSettingUtility.NowDisplayRole)
};
using (var db = new ApplicationDbContext())
{
try
{
db.SubLectures.Add(subLecture);
db.SaveChanges();
}
catch
{
return(null);
}
}
return(subLecture);
}
private static bool DeleteQuestion(SettingAjaxParam ajaxParam)
{
using (var db = new ApplicationDbContext())
{
try
{
var question = db.Questions.Find(ajaxParam.Id);
db.Questions.Remove(question);
db.SaveChanges();
}
catch
{
return(false);
}
}
return(true);
}
private static bool EditSubLecture(SettingAjaxParam ajaxParam)
{
using (var db = new ApplicationDbContext())
{
try
{
var subLecture = db.SubLectures.Find(ajaxParam.Id);
subLecture.SubLectureName = ajaxParam.Text;
db.Entry(subLecture).State = EntityState.Modified;
db.SaveChanges();
}
catch
{
return(false);
}
}
return(true);
}
public static JsonResult DeleteTreeObject(SettingAjaxParam ajaxParam)
{
var ajaxResult = new AjaxResult();
if (ajaxParam.NodeCategoryCD == 1)
{
ajaxResult.ResultData = new
{
Data = DeleteLecture(ajaxParam),
NodeCategoryCD = 1,
ajaxParam.Id
};
}
else if (ajaxParam.NodeCategoryCD == 2)
{
ajaxResult.ResultData = new
{
Data = DeleteSubLecture(ajaxParam),
NodeCategoryCD = 2,
ajaxParam.Id
};
}
else if (ajaxParam.NodeCategoryCD == 3)
{
ajaxResult.ResultData = new
{
Data = DeleteQuestion(ajaxParam),
NodeCategoryCD = 3,
ajaxParam.Id
};
}
else
{
ajaxResult.Message = "追加失敗。とりあえずF5更新やな";
ajaxResult.ResultData = null;
}
if (ajaxResult.ResultData != null)
{
ajaxResult.Result = true;
}
return(ajaxResult.GetJsonRsult());
}
private static bool EditQuestion(SettingAjaxParam ajaxParam)
{
using (var db = new ApplicationDbContext())
{
try
{
var question = db.Questions.Find(ajaxParam.Id);
question.QuestionName = ajaxParam.Text;
question.Difficulty = ajaxParam.Difficulty;
question.EstimateTime = ajaxParam.EstimateTime;
db.Entry(question).State = EntityState.Modified;
db.SaveChanges();
}
catch
{
return(false);
}
}
return(true);
}
private static Question AddQuestion(SettingAjaxParam ajaxParam)
{
var questionNO = 1;
if (new ApplicationDbContext().Questions.Any())
{
questionNO = new ApplicationDbContext().Questions.Max(x => x.QuestionNO) + 1;
}
var showOrder = 0;
if (new ApplicationDbContext().Questions.Any())
{
showOrder = new ApplicationDbContext().Questions.Max(x => x.ShowOrder) + 1;
}
var question = new Question
{
SubLectureId = ajaxParam.ParentId,
QuestionNO = questionNO,
QuestionName = ajaxParam.Text,
ShowOrder = showOrder,
Difficulty = 1,
EstimateTime = 5,
Role = HogwartsSettingUtility.GetSetting(HogwartsSettingUtility.NowDisplayRole)
};
using (var db = new ApplicationDbContext())
{
try
{
db.Questions.Add(question);
db.SaveChanges();
}
catch
{
return(null);
}
}
return(question);
}
