files tree made better.

src/Yavsc/ApiControllers/CommentsApiController.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Claims;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
+using Yavsc.Models;
+using Yavsc.Models.Blog;
+
+namespace Yavsc.Controllers
+{
+    [Produces("application/json")]
+    [Route("api/blogcomments")]
+    public class CommentsApiController : Controller
+    {
+        private ApplicationDbContext _context;
+
+        public CommentsApiController(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/CommentsApi
+        [HttpGet]
+        public IEnumerable<Comment> GetComment()
+        {
+            return _context.Comment;
+        }
+
+        // GET: api/CommentsApi/5
+        [HttpGet("{id}", Name = "GetComment")]
+        public async Task<IActionResult> GetComment([FromRoute] long id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            Comment comment = await _context.Comment.SingleAsync(m => m.Id == id);
+
+            if (comment == null)
+            {
+                return HttpNotFound();
+            }
+
+            return Ok(comment);
+        }
+
+        // PUT: api/CommentsApi/5
+        [HttpPut("{id}")]
+        public async Task<IActionResult> PutComment([FromRoute] long id, [FromBody] Comment comment)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            if (id != comment.Id)
+            {
+                return HttpBadRequest();
+            }
+
+            _context.Entry(comment).State = EntityState.Modified;
+
+            try
+            {
+                await _context.SaveChangesAsync(User.GetUserId());
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!CommentExists(id))
+                {
+                    return HttpNotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return new HttpStatusCodeResult(StatusCodes.Status204NoContent);
+        }
+
+        // POST: api/CommentsApi
+        [HttpPost]
+        public async Task<IActionResult> PostComment([FromBody] Comment comment)
+        {
+            if (!ModelState.IsValid)
+            {
+                return new BadRequestObjectResult(ModelState);
+            }
+            if (!User.IsInRole(Constants.AdminGroupName))
+            {
+                if (User.GetUserId()!=comment.AuthorId) {
+                    ModelState.AddModelError("Content","Vous ne pouvez pas poster au nom d'un autre.");
+                    return new BadRequestObjectResult(ModelState);
+                }
+            }
+            _context.Comment.Add(comment);
+            try
+            {
+                await _context.SaveChangesAsync(User.GetUserId());
+            }
+            catch (DbUpdateException)
+            {
+                if (CommentExists(comment.Id))
+                {
+                    return new HttpStatusCodeResult(StatusCodes.Status409Conflict);
+                }
+                else
+                {
+                    throw;
+                }
+            }
+            return CreatedAtRoute("GetComment", new { id = comment.Id }, comment);
+        }
+
+        // DELETE: api/CommentsApi/5
+        [HttpDelete("{id}")]
+        public async Task<IActionResult> DeleteComment([FromRoute] long id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            Comment comment = await _context.Comment.SingleAsync(m => m.Id == id);
+            if (comment == null)
+            {
+                return HttpNotFound();
+            }
+
+            RemoveRecursive(comment);
+            await _context.SaveChangesAsync(User.GetUserId());
+
+            return Ok(comment);
+        }
+        private void RemoveRecursive (Comment comment)
+        {
+            var children = _context.Comment.Where(c=>c.ParentId==comment.Id).ToList();
+            foreach (var child in children) {
+                RemoveRecursive(child);
+            }
+            _context.Comment.Remove(comment);
+        }
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _context.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        private bool CommentExists(long id)
+        {
+            return _context.Comment.Count(e => e.Id == id) > 0;
+        }
+    }
+}