public void TransformSchoolFromEntity(School schoolEntity)
        {

            Name = schoolEntity.Name;
            SchoolId = schoolEntity.SchoolId;
            Location = schoolEntity.Location;


            if (schoolEntity.Students != null)
            {
                Students =
                   (from student in schoolEntity.Students
                    select new StudentModel()
                    {
                        FirstName = student.FirstName,
                        LastName = student.LastName,
                        Age = student.Age,
                        Grade = student.Grade,
                        StudentId = student.StudentId
                    }).ToList();
            }
        }
        public HttpResponseMessage Post(SchoolFullModel school)
        {
            var entityToAdd = new School()
            {
                Name = school.Name,
                Location = school.Location
            };

            if (school.Students != null)
            {
                entityToAdd.Students =
                    (from student in school.Students
                     select new Student()
                     {

                         FirstName = student.FirstName,
                         LastName = student.LastName,
                         Age = student.Age,
                         Grade = student.Grade,
                     }).ToList();
            }
            

            var createdEntity = this.schoolsRepository.Add(entityToAdd);


            SchoolFullModel schoolModel = new SchoolFullModel();
            schoolModel.TransformSchoolFromEntity(createdEntity);
            

            var response = Request.CreateResponse<SchoolFullModel>(HttpStatusCode.Created, schoolModel);
            var resourceLink = Url.Link("DefaultApi", new { id = schoolModel.SchoolId });

            response.Headers.Location = new Uri(resourceLink);
            return response;
        }