public IHttpActionResult PostTeach(TeachDTOIn teach)
        {
            TeachDTOOut teachCreated = teachsService.CreateTeach(teach);

            return(Created("", teachCreated));
        }
Exemple #2
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        public TeachDTOOut CreateTeach(TeachDTOIn newTeach)
        {
            logger.Info("Get student department over student department service, create teach teaches service");
            StudentDepartment studentDepartment = studentDepartmentsService.GetStudentDepartmentByID(newTeach.StudentDepartmentID);

            logger.Info("Get teacher over teacher service, create teach teaches service");
            Teacher teacher = teachersService.GetById(newTeach.TeacherID);

            logger.Info("Get subject over subject service, create teach teaches service");
            Subject subject = subjectsService.GetSubjectByID(newTeach.SubjectID);

            logger.Info("Get teaches over teach service, create teach teaches service");
            IEnumerable <Teach> teach = GetAllTeach();

            //Check if subject is for students grade
            logger.Info("Checking if subject is for the selected grade, create teaches, teaches service");
            var isGradeOk = subject.Grades.Any(x => x.Id == studentDepartment.Departments.Grades.Id);

            if (!isGradeOk)
            {
                throw new SubjectIsNotForThisGrade("Wrong subject");
            }

            //check if teacher is teaching this subject
            logger.Info("Checking if teacher is teaching subject");
            var result = teacher.Subjects.Contains(subject);

            if (!result)
            {
                logger.Info("Throwing exception, wrong teacher subject pair");
                throw new TeacherDontTeachThisSubjectException("Teacher - subject pair does not match");
            }

            //check if subject is alreaady added to student
            logger.Info("Checking if subject is already added to student");
            var subjectExists = teach.Any(x => x.Subject.Equals(subject) && x.StudentDepartments.Equals(studentDepartment));

            if (subjectExists)
            {
                logger.Info("Throwing exception subject already added to student");
                throw new SubjectExistsException($"Subject {subject.SubjectName} already added to student {studentDepartment.Students.UserName}");
            }

            //check if teacher teach to this department, and finds who teach
            logger.Info("Checking if theacher is teach in department");
            var isDepartmentOK = teach.Any(x => x.Subject.Equals(subject) && x.Teachers.Equals(teacher) &&
                                           x.StudentDepartments.Departments.Id.Equals(studentDepartment.Departments.Id));
            var isSubjectInDepartment = teach.Any(x => x.Subject.Equals(subject) && x.StudentDepartments.Departments.Id.Equals(studentDepartment.Departments.Id));
            var whoTeach = teach.Where(x => x.Subject.Equals(subject) && x.StudentDepartments.Equals(studentDepartment)).Select(x => x.Teachers.UserName);

            if (!isDepartmentOK)
            {
                if (isSubjectInDepartment)
                {
                    logger.Info("Throwing exception teacher doesn't teach in department");
                    throw new TeacherDontTeachThisDepartment($"Teacher {teacher.UserName} doesn't teach to department {studentDepartment.Departments.DepartmentName}, {whoTeach} does.");
                }
            }

            logger.Info("Preparing teach for save in db");
            Teach teachIn = new Teach()
            {
                StudentDepartments = studentDepartment,
                Teachers           = teacher,
                Subject            = subject
            };

            logger.Info("Access to teaches repository for insert new teach");
            db.TeachesRepository.Insert(teachIn);
            logger.Info("db save new teach");
            db.Save();

            logger.Info("Converting to dto for output");
            TeachDTOOut teachDTOOut = new TeachDTOOut()
            {
                Id             = teachIn.Id,
                Student        = Utilities.ConverterDTO.SimpleDTOConverter <StudentDTO>(teachIn.StudentDepartments.Students),
                Department     = Utilities.ConverterDTO.SimpleDTOConverter <DepartmentDTOStudent>(teachIn.StudentDepartments.Departments),
                TeacherSubject = studentDepartment.Teaches.Select(x => new TeacherSubjectDTO()
                {
                    Teacher = Utilities.ConverterDTO.SimpleDTOConverter <TeacherDTO>(x.Teachers),
                    Subject = Utilities.ConverterDTO.SimpleDTOConverter <SubjectDTO>(x.Subject)
                })
            };

            return(teachDTOOut);
        }