public string NewStudent(StudentSummary studentSummary) { if (Summaries.Count > 0) { studentSummary.ID = Summaries.Max(x => x.ID) + StudentConsts.IDStep; } else { studentSummary.ID = StudentConsts.IDStep; } Add(studentSummary); WriteSummariesToFile(); return(StudentConsts.ResultOK); }
public string StudentOut(StudentSummary DeleteSummary) { StudentSummary CurrentSummary = GetStudentSummaryByID(DeleteSummary.ID); if (CurrentSummary != null) { Delete(CurrentSummary); WriteSummariesToFile(); return(StudentConsts.ResultOK); } else { return(StudentConsts.NotFound); } }
public string ChangeStudentInfo(StudentSummary NewSummary) { StudentSummary CurrentSummary = GetStudentSummaryByID(NewSummary.ID); if (CurrentSummary != null) { Update(NewSummary); WriteSummariesToFile(); return(StudentConsts.ResultOK); } else { return(StudentConsts.NotFound); } }
public StudentSummary StudentInfo(int ID) { StudentSummary CurrentSummary = GetStudentSummaryByID(ID); return(CurrentSummary); }