/// <summary>
/// 更新课程
/// </summary>
/// <param name="classesIds"></param>
/// <param name="courseDto"></param>
/// <returns></returns>
/// <exception cref="Exception"></exception>
public async Task <CourseDto> UpdateCourse(int[] classesIds, CourseDto courseDto)
{
var course = await _courseRepository
.Entities
.FirstOrDefaultAsync(x => x.Id == courseDto.Id);
if (course == null)
{
throw Oops.Oh(
CourseErrorCodes.c1501
);
}
// 查询系别是否存在
var dept = await _courseRepository.Change <TbDept>().Entities
.FirstOrDefaultAsync(x => x.Id == course.DeptId);
if (dept == null)
{
throw Oops.Oh(DeptErrorCodes.d1301);
}
// 查询教师是否存在
var teacher = await _courseRepository.Change <TbTeacher>().Entities
.FirstOrDefaultAsync(x => x.Id == course.TeacherId);
if (teacher == null)
{
throw Oops.Oh(TeacherErrorCodes.t1402);
}
//删除关联表
await _courseRepository
.Change <TbCourseclass>()
.DeleteAsync(
_courseRepository
.Change <TbCourseclass>()
.Where(u => u.CourseId == course.Id, false).ToList()
);
// 重新为课程分配班级
var courseClasses = new List <TbCourseclass>();
foreach (var item in classesIds)
{
courseClasses.Add(new TbCourseclass
{
CourseId = course.Id,
ClassesId = item
});
}
await _courseRepository.Change <TbCourseclass>().InsertAsync(courseClasses);
var changeCourse = courseDto.Adapt(course);
await changeCourse
.UpdateExcludeAsync(u => u.CreateTime);
return(changeCourse.Adapt <CourseDto>());
}
/// <summary>
/// 创建课程
/// </summary>
/// <param name="classesIds"></param>
/// <param name="courseDto"></param>
/// <returns></returns>
public async Task <CourseDto> CreateCourse(int[] classesIds, CourseDto courseDto)
{
// 查询系别是否存在
var dept = await _courseRepository.Change <TbDept>().Entities
.FirstOrDefaultAsync(x => x.Id == courseDto.DeptId);
if (dept == null)
{
throw Oops.Oh(DeptErrorCodes.d1301);
}
// 查询教师是否存在
var teacher = await _courseRepository.Change <TbTeacher>().Entities
.FirstOrDefaultAsync(x => x.Id == courseDto.TeacherId);
if (teacher == null)
{
throw Oops.Oh(TeacherErrorCodes.t1402);
}
// courseDto.CreateTime = TimeUtil.GetTimeStampNow();
var course = await _courseRepository
.InsertNowAsync(courseDto.Adapt <TbCourse
>());
// 为课程分配班级
var courseClasses = new List <TbCourseclass>();
foreach (var item in classesIds)
{
courseClasses.Add(new TbCourseclass
{
CourseId = course.Entity.Id,
ClassesId = item
});
}
await _courseRepository.Change <TbCourseclass>().InsertAsync(courseClasses);
return(course.Entity.Adapt <CourseDto>());
}