public async Task <ActionResult> Create(ClassCreateViewModel model)
{
if (ModelState.IsValid)
{
var departments = await DepartmentManager.GetAllEntities().ToListAsync();
SelectList departSelectList = new SelectList(departments, "Id", "Name");
ViewBag.departSelectList = departSelectList;
var majors = await MajorManager.GetMajorsForDepartment(departments.ElementAtOrDefault(0)).ToListAsync();
SelectList majorSelectList = new SelectList(majors, "Id", "Name");
ViewBag.majorSelectList = majorSelectList;
var grades = await GradeManager.GetAllEntities().ToListAsync();
SelectList gradeSelectList = new SelectList(grades, "Id", "GradeNum");
ViewBag.gradeSelectList = gradeSelectList;
var teachers = (await UserManager.GetNoClassTeachersAsync()).ToList();
ViewBag.teacherSelectList = new SelectList(teachers, "Id", "Name");
ViewBag.Classes = await ClassManager.GetAllEntities().ToListAsync();
var grade = await GradeManager.FindEntityByIdAsync(model.GradeId);
if (grade == null)
{
ModelState.AddModelError("", "找不到grade");
return(View(model));
}
var major = await MajorManager.FindEntityByIdAsync(model.MajorId);
if (major == null)
{
ModelState.AddModelError("", "找不到major");
return(View(model));
}
var teacher = await UserManager.FindByIdAsync(model.ClassTeacherId);
if (teacher == null)
{
ModelState.AddModelError("", "找不到teacher");
return(View(model));
}
var class1 = new Class
{
ClassDefination = model.Defination,
Grade = grade,
Major = major,
ClassTeacher = teacher.TeacherInfo
};
if (await ClassManager.IsEntityExistByLamdaAsync(c =>
c.Grade.Id == class1.Grade.Id && c.Major.Id == class1.Major.Id &&
c.ClassDefination == class1.ClassDefination))
{
ModelState.AddModelError("", "已存在Class");
return(View(model));
}
var class2 = await ClassManager.AddEntityAsync(class1);
teacher.TeacherInfo.ManageClass = class2;
await UserManager.UpdateAsync(teacher);
return(RedirectToAction("Index"));
}
return(View(model));
}
