Hyper-links

Yavsc/ApiControllers/HyperLinkApiController.cs

@@ -0,0 +1,148 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
+using Yavsc.Models;
+using Yavsc.Models.Relationship;
+
+namespace Yavsc.Controllers
+{
+    [Produces("application/json")]
+    [Route("api/hyperlink")]
+    public class HyperLinkApiController : Controller
+    {
+        private ApplicationDbContext _context;
+
+        public HyperLinkApiController(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/HyperLinkApi
+        [HttpGet]
+        public IEnumerable<HyperLink> GetLinks()
+        {
+            return _context.Links;
+        }
+
+        // GET: api/HyperLinkApi/5
+        [HttpGet("{id}", Name = "GetHyperLink")]
+        public async Task<IActionResult> GetHyperLink([FromRoute] string id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            HyperLink hyperLink = await _context.Links.SingleAsync(m => m.HRef == id);
+
+            if (hyperLink == null)
+            {
+                return HttpNotFound();
+            }
+
+            return Ok(hyperLink);
+        }
+
+        // PUT: api/HyperLinkApi/5
+        [HttpPut("{id}")]
+        public async Task<IActionResult> PutHyperLink([FromRoute] string id, [FromBody] HyperLink hyperLink)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            if (id != hyperLink.HRef)
+            {
+                return HttpBadRequest();
+            }
+
+            _context.Entry(hyperLink).State = EntityState.Modified;
+
+            try
+            {
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!HyperLinkExists(id))
+                {
+                    return HttpNotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return new HttpStatusCodeResult(StatusCodes.Status204NoContent);
+        }
+
+        // POST: api/HyperLinkApi
+        [HttpPost]
+        public async Task<IActionResult> PostHyperLink([FromBody] HyperLink hyperLink)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            _context.Links.Add(hyperLink);
+            try
+            {
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateException)
+            {
+                if (HyperLinkExists(hyperLink.HRef))
+                {
+                    return new HttpStatusCodeResult(StatusCodes.Status409Conflict);
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return CreatedAtRoute("GetHyperLink", new { id = hyperLink.HRef }, hyperLink);
+        }
+
+        // DELETE: api/HyperLinkApi/5
+        [HttpDelete("{id}")]
+        public async Task<IActionResult> DeleteHyperLink([FromRoute] string id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            HyperLink hyperLink = await _context.Links.SingleAsync(m => m.HRef == id);
+            if (hyperLink == null)
+            {
+                return HttpNotFound();
+            }
+
+            _context.Links.Remove(hyperLink);
+            await _context.SaveChangesAsync();
+
+            return Ok(hyperLink);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _context.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        private bool HyperLinkExists(string id)
+        {
+            return _context.Links.Count(e => e.HRef == id) > 0;
+        }
+    }
+}