Erste Version der Fragen-Eingabe

MultipleChoiceTrainer/Controllers/QuestionsController.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.EntityFrameworkCore;
+using MultipleChoiceTrainer.Data;
+using MultipleChoiceTrainer.Models.DataModels;
+
+namespace MultipleChoiceTrainer.Controllers
+{
+    public class QuestionsController : Controller
+    {
+        private readonly ApplicationDbContext _context;
+
+        public QuestionsController(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        // GET: Questions/Create
+        public IActionResult Create(int sectionId)
+        {
+            ViewData["Section"] = _context.Sections.Include(e => e.Category).FirstOrDefault(s => s.Id == sectionId);
+            return View();
+        }
+
+        // POST: Questions/Create
+        // To protect from overposting attacks, enable the specific properties you want to bind to, for 
+        // more details, see http://go.microsoft.com/fwlink/?LinkId=317598.
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Create(Question question)
+        {
+            if (ModelState.IsValid)
+            {
+                _context.Add(question);
+                await _context.SaveChangesAsync();
+                var section = _context.Sections.FirstOrDefault(s => s.Id == question.SectionId);
+                return RedirectToAction(nameof(Index), "Home", new { categoryId = section.CategoryId });
+            }
+            ViewData["Section"] = _context.Sections.Include(e => e.Category).FirstOrDefault(s => s.Id == question.SectionId);
+            return View(question);
+        }
+
+        // GET: Questions/Edit/5
+        public async Task<IActionResult> Edit(int? id)
+        {
+            if (id == null)
+            {
+                return NotFound();
+            }
+
+            var question = await _context.Questions.FindAsync(id);
+            if (question == null)
+            {
+                return NotFound();
+            }
+            ViewData["Section"] = _context.Sections.Include(e => e.Category).FirstOrDefault(s => s.Id == question.SectionId);
+            return View(question);
+        }
+
+        // POST: Questions/Edit/5
+        // To protect from overposting attacks, enable the specific properties you want to bind to, for 
+        // more details, see http://go.microsoft.com/fwlink/?LinkId=317598.
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Edit(int id, [Bind("Id,Text,SectionId")] Question question)
+        {
+            if (id != question.Id)
+            {
+                return NotFound();
+            }
+
+            if (ModelState.IsValid)
+            {
+                try
+                {
+                    _context.Update(question);
+                    await _context.SaveChangesAsync();
+                }
+                catch (DbUpdateConcurrencyException)
+                {
+                    if (!QuestionExists(question.Id))
+                    {
+                        return NotFound();
+                    }
+                    else
+                    {
+                        throw;
+                    }
+                }
+                return RedirectToAction(nameof(Index), "Home", new { categoryId = question.Section.CategoryId });
+            }
+            ViewData["Section"] = _context.Sections.Include(e => e.Category).FirstOrDefault(s => s.Id == question.SectionId);
+            return View(question);
+        }
+
+        private bool QuestionExists(int id)
+        {
+            return _context.Questions.Any(e => e.Id == id);
+        }
+    }
+}