/// <summary>
/// 根据年纪名查询年纪对象
/// </summary>
/// <param name="GradeName"></param>
/// <returns></returns>
public static DTO.GradDTO QueryGrad(string GradeName)
{
using (DAL.GradeService gradelService = new DAL.GradeService()) {
return(gradelService.GetAll(i => i.Name == GradeName).Select(m => new DTO.GradDTO()
{
Name = m.Name,
Id = m.Id
}).FirstOrDefault());
}
}
/// <summary>
/// 创建年级
/// </summary>
/// <param name="GradeName">年级名</param>
/// <param name="SchoolName">学校名</param>
/// <returns></returns>
public static async Task CreatGrade(string GradeName, int SchoolID)
{
//根据学校名获取学校对象
var School = SchoolManager.QuerySchool(SchoolID);
if (School == null)
{
throw new Exception("没有这个学校");
}
using (DAL.GradeService graSvc = new DAL.GradeService()) {
await graSvc.CreatAsync(new Models.Grade()
{
Name = GradeName
}, true);
}
}
/// <summary>
/// 升学
/// </summary>
/// <param name="clsId"></param>
/// <returns></returns>
public static async Task LevelUpClass(int clsId)
{
using (var clsSvc = new DAL.ClassService())
{
var cls = await clsSvc.GetOne(clsId);
using (var gradeSvc = new DAL.GradeService())
{
var grade = await gradeSvc.GetAll(m => m.Order > cls.Grade.Order).FirstOrDefaultAsync();
if (grade == null)
{
throw new Exception("没有年级可以升级了");
}
}
int gradeid = cls.Grade.Order;
await clsSvc.ChangeGrade(clsId, gradeid);
}
}
