HplusSports/H_PLUS_Sports/Controllers/OrdersController.cs

using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using H_PLUS_Sports.Models;

namespace HPlusSportsAPI.Controllers
{
    [Produces("application/json")]
    [Route("api/Orders")]
    public class OrdersController : Controller
    {
        private readonly H_Plus_SportsContext _context;

        public OrdersController(H_Plus_SportsContext context)
        {
            _context = context;
        }

        private bool OrderExists(int id)
        {
            return _context.Order.Any(e => e.OrderId == id);
        }

        [HttpGet]
        [Produces(typeof(DbSet<Order>))]
        public IActionResult GetOrder()
        {
            return new ObjectResult(_context.Order);
        }

        [HttpGet("{id}")]
        [Produces(typeof(Order))]
        public async Task<IActionResult> GetOrder([FromRoute] int id)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var order = await _context.Order.SingleOrDefaultAsync(m => m.OrderId == id);

            if (order == null)
            {
                return NotFound();
            }

            return Ok(order);
        }

        [HttpPut("{id}")]
        [Produces(typeof(Order))]
        public async Task<IActionResult> PutOrder([FromRoute] int id, [FromBody] Order order)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != order.OrderId)
            {
                return BadRequest();
            }

            _context.Entry(order).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
                return Ok(order);
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!OrderExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }
        }

        [HttpPost]
        [Produces(typeof(Order))]
        public async Task<IActionResult> PostOrder([FromBody] Order order)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            _context.Order.Add(order);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetOrder", new { id = order.OrderId }, order);
        }

        [HttpDelete("{id}")]
        [Produces(typeof(Order))]
        public async Task<IActionResult> DeleteOrder([FromRoute] int id)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var order = await _context.Order.SingleOrDefaultAsync(m => m.OrderId == id);
            if (order == null)
            {
                return NotFound();
            }

            _context.Order.Remove(order);
            await _context.SaveChangesAsync();

            return Ok(order);
        }
    }
}