implements a tags api controller

2016-09-05 11:51:47 +02:00
parent 5ba59ac82d
commit ec3ba220e1
1 changed files with 146 additions and 0 deletions
--- a/Yavsc/ApiControllers/TagsApiController.cs
+++ b/Yavsc/ApiControllers/TagsApiController.cs
@ -0,0 +1,146 @@
+using System.Collections.Generic;
+using System.Linq;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Mvc;
+using Microsoft.Data.Entity;
+using Yavsc.Models;
+
+namespace Yavsc.Controllers
+{
+    [Produces("application/json")]
+    [Route("api/TagsApi")]
+    public class TagsApiController : Controller
+    {
+        private ApplicationDbContext _context;
+
+        public TagsApiController(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/TagsApi
+        [HttpGet]
+        public IEnumerable<Tag> GetTag()
+        {
+            return _context.Tags;
+        }
+
+        // GET: api/TagsApi/5
+        [HttpGet("{id}", Name = "GetTag")]
+        public IActionResult GetTag([FromRoute] long id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            Tag tag = _context.Tags.Single(m => m.Id == id);
+
+            if (tag == null)
+            {
+                return HttpNotFound();
+            }
+
+            return Ok(tag);
+        }
+
+        // PUT: api/TagsApi/5
+        [HttpPut("{id}")]
+        public IActionResult PutTag(long id, [FromBody] Tag tag)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            if (id != tag.Id)
+            {
+                return HttpBadRequest();
+            }
+
+            _context.Entry(tag).State = EntityState.Modified;
+
+            try
+            {
+                _context.SaveChanges();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                if (!TagExists(id))
+                {
+                    return HttpNotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return new HttpStatusCodeResult(StatusCodes.Status204NoContent);
+        }
+
+        // POST: api/TagsApi
+        [HttpPost]
+        public IActionResult PostTag([FromBody] Tag tag)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            _context.Tags.Add(tag);
+            try
+            {
+                _context.SaveChanges();
+            }
+            catch (DbUpdateException)
+            {
+                if (TagExists(tag.Id))
+                {
+                    return new HttpStatusCodeResult(StatusCodes.Status409Conflict);
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return CreatedAtRoute("GetTag", new { id = tag.Id }, tag);
+        }
+
+        // DELETE: api/TagsApi/5
+        [HttpDelete("{id}")]
+        public IActionResult DeleteTag(long id)
+        {
+            if (!ModelState.IsValid)
+            {
+                return HttpBadRequest(ModelState);
+            }
+
+            Tag tag = _context.Tags.Single(m => m.Id == id);
+            if (tag == null)
+            {
+                return HttpNotFound();
+            }
+
+            _context.Tags.Remove(tag);
+            _context.SaveChanges();
+
+            return Ok(tag);
+        }
+
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing)
+            {
+                _context.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        private bool TagExists(long id)
+        {
+            return _context.Tags.Count(e => e.Id == id) > 0;
+        }
+    }
+}