public static DataModel.Student ApiToEntityModel(ApiModel.Student apiStudent)
        {
            var address     = new DataModel.Address();
            var dataStudent = new DataModel.Student();
            var dataPerson  = new DataModel.Person();

            //address
            address.City            = apiStudent.Address.City;
            address.State           = apiStudent.Address.State;
            address.StreetAndNumber = apiStudent.Address.StreetAndNumber;
            address.ZipCode         = apiStudent.Address.ZipCode;

            //person entity
            dataPerson.Birthday   = apiStudent.Birthday;
            dataPerson.FirstName  = apiStudent.FirstName;
            dataPerson.LastName   = apiStudent.LastName;
            dataPerson.MiddleName = apiStudent.MiddleName;
            dataPerson.Phone      = apiStudent.Phone;

            //Major
            dataStudent.MajorId = (long)apiStudent.MajorId;

            dataPerson.Address = address;
            dataStudent.Person = dataPerson;

            return(dataStudent);
        }
        public static ApiModel.Student EntityToApiModel(DataModel.Student dataStudent)
        {
            var apiModelStudent = new ApiModel.Student();

            //Address conversion
            apiModelStudent.Address.City            = dataStudent.Person.Address.City;
            apiModelStudent.Address.State           = dataStudent.Person.Address.State;
            apiModelStudent.Address.StreetAndNumber = dataStudent.Person.Address.StreetAndNumber;
            apiModelStudent.Address.ZipCode         = dataStudent.Person.Address.ZipCode;

            //Person conversion
            apiModelStudent.Birthday   = dataStudent.Person.Birthday;
            apiModelStudent.FirstName  = dataStudent.Person.FirstName;
            apiModelStudent.LastName   = dataStudent.Person.LastName;
            apiModelStudent.MiddleName = dataStudent.Person.MiddleName;
            apiModelStudent.Phone      = dataStudent.Person.Phone;

            //Major
            apiModelStudent.MajorId   = (Major)dataStudent.MajorId;
            apiModelStudent.MajorName = ((Major)dataStudent.MajorId).GetDisplayName();

            return(apiModelStudent);
        }