public async Task Edit(StudentCourseTimeInput input)
{
//检查Id参数
if (!input.Id.HasValue)
{
throw new UserFriendlyException("传入Id参数不正确！");
}
//获取需要修改的对象
var studentCourseTime = await _studentCourseTimeRepository.FirstOrDefaultAsync(x => x.Id == input.Id.Value);
if (studentCourseTime == null)
{
throw new UserFriendlyException("当前的预约信息不存在！");
}
//修改属性值
if (input.CourseTimeId.HasValue)
{
//验证学生预约的上课时间是否存在
var courseTime = await _courseTimeRepository.FirstOrDefaultAsync(x => x.Id == input.CourseTimeId);
if (courseTime == null)
{
throw new UserFriendlyException("该课程不存在！");
}
studentCourseTime.CourseTimeId = input.CourseTimeId.Value;
}
if (input.StudentId.HasValue)
{
//验证当前预约的学生是否存在
var student = await _studentRepository.FirstOrDefaultAsync(x => x.Id == input.StudentId);
if (student == null)
{
throw new UserFriendlyException("该学生不存在！");
}
studentCourseTime.StudentId = input.StudentId.Value;
}
if (input.ClassCredit.HasValue)
{
studentCourseTime.ClassCredit = input.ClassCredit.Value;
}
//执行修改数据方法
await _studentCourseTimeRepository.UpdateAsync(studentCourseTime);
}
public async Task Add(StudentCourseTimeInput input)
{
//验证传入参数
if (!input.CourseTimeId.HasValue)
{
throw new UserFriendlyException("传入Start参数不正确！");
}
if (!input.StudentId.HasValue)
{
throw new UserFriendlyException("传入End参数不正确！");
}
//验证学生预约的上课时间是否存在
var courseTime = await _courseTimeRepository.FirstOrDefaultAsync(x => x.Id == input.CourseTimeId);
if (courseTime == null)
{
throw new UserFriendlyException("该课程不存在！");
}
//验证当前预约的学生是否存在
var student = await _studentRepository.FirstOrDefaultAsync(x => x.Id == input.StudentId);
if (student == null)
{
throw new UserFriendlyException("该学生不存在！");
}
//创建学生预约课程信息
var studentCourseTime = new Education.StudentCourseTime
{
CourseTimeId = input.CourseTimeId.Value,
StudentId = input.StudentId.Value
};
//随堂分数属性赋值
if (input.ClassCredit.HasValue)
{
studentCourseTime.ClassCredit = input.ClassCredit.Value;
}
//执行插入数据方法
await _studentCourseTimeRepository.InsertAsync(studentCourseTime);
}
