/Gradebook/Controllers/StudentsController.cs

using System.Linq;

using AutoMapper;

using Gradebook.Contracts;

using Gradebook.Model;

using System;

using System.Collections.Generic;

using System.Net;

using System.Net.Http;

using System.Web.Http;



namespace Gradebook.Controllers

{

    public class StudentsController : ApiControllerBase

    {

        public StudentsController(IGradebookUow uow) : base(uow) { }



        // GET /api/students

        public IEnumerable<ViewModels.Student> Get(int? code = 0)

        {

            if (code.GetValueOrDefault() > 0)

            {

                return

                    Unit.ClassCodes.Read(code.Value)

                        .TeacherClassCodes.SelectMany(x => x.StudentClassCodes)

                        .Select(x => x.Student)

                        .Select(Mapper.Map<Model.Student, ViewModels.Student>);

            }



            return Unit.Students.GetAll().Select(Mapper.Map<Model.Student, ViewModels.Student>);

        }



        // GET /api/students/{int}

        [ActionName("Default")]

        public Student Get(int id)

        {

            var student = Unit.Students.Read(id);



            if (student == null)

                throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound));



            return student;

        }



        // POST /api/students

        public HttpResponseMessage Post(Student model)

        {

            if (ModelState.IsValid)

            {

                Unit.Students.Create(model);

                Unit.Commit();



                var response = Request.CreateResponse(HttpStatusCode.Created, model);

                var uri = Url.Link(WebApiConfig.Default, new { id = model.Id });

                response.Headers.Location = new Uri(Request.RequestUri, uri);



                return response;

            }



            throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.BadRequest));

        }



        // PUT /api/students/{int}

        public HttpResponseMessage Put(int id, Student model)

        {

            var student = Unit.Students.Read(model.Id);



            if (student == null)

                throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound));



            if (ModelState.IsValid)

            {

                student.FirstName = model.FirstName;

                student.LastName = model.LastName;



                Unit.Students.Update(student);

                Unit.Commit();



                return new HttpResponseMessage(HttpStatusCode.NoContent);

            }



            throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.BadRequest));

        }



        // DELETE /api/students/{int}

        public void Delete(int id)

        {

            var game = Unit.Students.Read(id);



            if (game == null)

                throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotFound));



            Unit.Students.Delete(id);

            Unit.Commit();



            throw new HttpResponseException(new HttpResponseMessage(HttpStatusCode.NotAcceptable));

        }

    }

}