Added basics for task controller

ScrumTaskboard/Controllers/CategoryController.cs

@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace ScrumTaskboard.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class CategoryController : ControllerBase
+    {
+        private readonly TaskContext _context;
+
+        public CategoryController(TaskContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/category
+        [HttpGet]
+        public async Task<ActionResult<IEnumerable<ScrumCategory>>> GetCategory()
+        {
+            return await _context.Categories.ToListAsync();
+        }
+
+        // GET: api/category/1
+        [HttpGet("{id}")]
+        public async Task<ActionResult<ScrumCategory>> GetCategory(int id)
+        {
+            var category = await _context.Categories.FindAsync(id);
+
+            if (category == null)
+            {
+                return NotFound();
+            }
+
+            return category;
+        }
+
+        // PUT: api/category/1
+        [HttpPut("{id}")]
+        public async Task<IActionResult> PutCategory(int id, ScrumCategory category)
+        {
+            // Die ID der Kategorie darf nicht geändert werden
+            if (id != category.id)
+            {
+                return BadRequest();
+            }
+
+            // Speichere die geänderten Kategorie im Context
+            _context.Entry(category).State = EntityState.Modified;
+
+            try
+            {
+                // Übernehme die Änderungen in die Datenbank
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                // Wenn die Kategorie nicht existiert, gib Statuscode 404 zurück
+                if (!CategoryExists(id))
+                {
+                    return NotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return NoContent();
+        }
+
+        // POST: api/category
+        [HttpPost]
+        public async Task<ActionResult<ScrumUserstory>> PostCategory(ScrumCategory category)
+        {
+            _context.Categories.Add(category);
+            await _context.SaveChangesAsync();
+
+            // Die neue Userstory wurde erstellt und kann über die GetUserstory Methode abgerufen werden.
+            return CreatedAtAction("GetCategory", new { id = category.id }, category);
+        }
+
+        // DELETE: api/category/1
+        [HttpDelete("{id}")]
+        public async Task<ActionResult<ScrumCategory>> DeleteCategory(int id)
+        {
+            var category = await _context.Categories.FindAsync(id);
+            if (category == null)
+            {
+                return NotFound();
+            }
+
+            // Entferne die Kateorie aus dem Context
+            _context.Categories.Remove(category);
+            // Speichere die Änderungen in der Datenbank
+            await _context.SaveChangesAsync();
+
+            return category;
+        }
+
+        /// <summary>
+        /// Prüft, ob eine Kategorie mit der angegebenen ID bereits existiert.
+        /// </summary>
+        private bool CategoryExists(int id)
+        {
+            return _context.Categories.Any(e => e.id == id);
+        }
+    }
+}

ScrumTaskboard/TaskContext.cs

@@ -7,6 +7,7 @@ namespace ScrumTaskboard
     {
         public DbSet<ScrumTask> Tasks { get; set; }
         public DbSet<ScrumUserstory> Userstories { get; set; }
+        public DbSet<ScrumCategory> Categories { get; set; }
 
         public TaskContext() { }
 
@@ -42,4 +43,13 @@ namespace ScrumTaskboard
         public int createdby { get; set; }
         public int project { get; set; }
     }
+
+    public class ScrumCategory
+    {
+        public int id { get; set; }
+        public string title { get; set; }
+        public string description { get; set; }
+        public string color { get; set; }
+        public int project { get; set; }
+    }
 }