public async Task <ActionResult> Add([FromBody] StudentAddDto dto)
{
var college = await _collegeRepository.LoadEntitiesAsIQueryable(x => x.CollegeId == dto.CollegeId)
.Include(x => x.Classes)
.FirstOrDefaultAsync();
if (college == null)
{
return(BadRequest());
}
var classCount = college.Classes.Count();
var @class = await _classRepository.LoadEntitiesAsIQueryable(x => x.CollegeId == dto.CollegeId)
.Include(x => x.Students).OrderBy(x => x.Students.Count()).FirstOrDefaultAsync();
if (!(@class != null && @class.Students.Count() < 50))
{
int classId = Convert.ToInt32(DateTime.Now.Year.ToString() + dto.CollegeId.ToString()
.Substring(dto.CollegeId.ToString().Length - 2, 2) + (college.Classes.Count() + 1));
@class = new Class
{
ClassId = classId,
ClassName = college.CollegeName + (classCount + 1) + "班",
College = college,
};
}
int studentCount = @class.Students.Count();
var lastTwoOfClass = "";
var lastTwoOfStudent = "";
if (studentCount.ToString().Length >= 2)
{
lastTwoOfStudent = studentCount.ToString().Substring(studentCount.ToString().Length - 2);
}
else
{
lastTwoOfStudent = "0" + studentCount.ToString();
}
if (classCount.ToString().Length >= 2)
{
lastTwoOfClass = classCount.ToString().Substring(classCount.ToString().Length - 2);
}
else
{
lastTwoOfClass = "0" + classCount.ToString();
}
var strstudentId = DateTime.Now.Year.ToString().Substring(2, 2) + college.CollegeId.ToString()
.Substring(college.CollegeId.ToString().Length - 3) + lastTwoOfClass + lastTwoOfStudent;
var studentId = Convert.ToInt32(strstudentId);
while ((await _studentRepository.LoadEntitiesAsIQueryable(x => x.StudentId == studentId).FirstOrDefaultAsync()) != null)
{
studentId++;
}
Student student = new Student
{
StudentId = studentId,
StudentName = dto.StudentName,
Class = @class,
Year = DateTime.Now.Year,
Password = studentId.ToString(),
};
await _studentRepository.AddEntityAsync(student);
return(NoContent());
}
