Projekt-Vorlage mit Tasks Controller

ScrumTaskboard/Controllers/TasksController.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using ScrumTaskboard;
+
+namespace ScrumTaskboard.Controllers
+{
+    [Route("[controller]")]
+    [ApiController]
+    public class TasksController : ControllerBase
+    {
+        private readonly TaskContext _context;
+
+        public TasksController(TaskContext context)
+        {
+            _context = context;
+        }
+
+        // GET: api/Tasks
+        [HttpGet]
+        public async Task<ActionResult<IEnumerable<ScrumTask>>> GetTasks()
+        {
+            return await _context.Tasks.ToListAsync();
+        }
+
+        // GET: api/Tasks/5
+        [HttpGet("{id}")]
+        public async Task<ActionResult<ScrumTask>> GetTask(int id)
+        {
+            var task = await _context.Tasks.FindAsync(id);
+
+            if (task == null)
+            {
+                return NotFound();
+            }
+
+            return task;
+        }
+
+        // PUT: api/Tasks/5
+        [HttpPut("{id}")]
+        public async Task<IActionResult> PutTask(int id, ScrumTask task)
+        {
+            // Die ID des Tasks darf nicht geändert werden
+            if (id != task.Id)
+            {
+                return BadRequest();
+            }
+
+            // Speichere den geänderten Task im Context
+            _context.Entry(task).State = EntityState.Modified;
+
+            try
+            {
+                // Übernehme die Änderungen in die Datenbank
+                await _context.SaveChangesAsync();
+            }
+            catch (DbUpdateConcurrencyException)
+            {
+                // Wenn der Task nicht existiert, gib Statuscode 404 zurück
+                if (!TaskExists(id))
+                {
+                    return NotFound();
+                }
+                else
+                {
+                    throw;
+                }
+            }
+
+            return NoContent();
+        }
+
+        // POST: api/Tasks
+        [HttpPost]
+        public async Task<ActionResult<ScrumTask>> PostTask(ScrumTask task)
+        {
+            _context.Tasks.Add(task);
+            await _context.SaveChangesAsync();
+
+            // Der neue Task wurde erstellt und kann über die GetTask Methode abgerufen werden.
+            return CreatedAtAction("GetTask", new { id = task.Id }, task);
+        }
+
+        // DELETE: api/Tasks/5
+        [HttpDelete("{id}")]
+        public async Task<ActionResult<ScrumTask>> DeleteTask(int id)
+        {
+            var scrumTask = await _context.Tasks.FindAsync(id);
+            if (scrumTask == null)
+            {
+                return NotFound();
+            }
+
+            // Entferne den Task aus dem Context
+            _context.Tasks.Remove(scrumTask);
+            // Speichere die Änderungen in der Datenbank
+            await _context.SaveChangesAsync();
+
+            return scrumTask;
+        }
+
+        /// <summary>
+        /// Prüft, ob ein Task mit der angegebenen ID bereits existiert.
+        /// </summary>
+        private bool TaskExists(int id)
+        {
+            return _context.Tasks.Any(e => e.Id == id);
+        }
+    }
+}

ScrumTaskboard/Program.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace ScrumTaskboard
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            CreateHostBuilder(args).Build().Run();
+        }
+
+        public static IHostBuilder CreateHostBuilder(string[] args) =>
+            Host.CreateDefaultBuilder(args)
+                .ConfigureWebHostDefaults(webBuilder =>
+                {
+                    webBuilder.UseStartup<Startup>();
+                });
+    }
+}

ScrumTaskboard/Properties/launchSettings.json

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+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:51447",
+      "sslPort": 44334
+    }
+  },
+  "profiles": {
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "weatherforecast",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "ScrumTaskboard": {
+      "commandName": "Project",
+      "launchBrowser": true,
+      "launchUrl": "tasks",
+      "applicationUrl": "https://localhost:5001;http://localhost:5000",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

ScrumTaskboard/ScrumTaskboard.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="3.1.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="3.1.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="3.1.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="3.1.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="3.1.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.3" />
+  </ItemGroup>
+
+
+</Project>

ScrumTaskboard/Startup.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.HttpsPolicy;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace ScrumTaskboard
+{
+    public class Startup
+    {
+        public Startup(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
+
+        public IConfiguration Configuration { get; }
+
+        // This method gets called by the runtime. Use this method to add services to the container.
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddScoped(serviceProvider => new TaskContext(
+                new DbContextOptionsBuilder<TaskContext>()
+                .UseNpgsql("Host=nig.gl; Port=8543; Username=scrum; Database=taskboard; Password=c6gXud7YvBWp2sgxSgy4wRN")
+                .Options));
+            services.AddControllers();
+        }
+
+        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            using (var serviceScope = app.ApplicationServices.GetService<IServiceScopeFactory>().CreateScope())
+            {
+                var context = serviceScope.ServiceProvider.GetRequiredService<TaskContext>();
+                context.Database.EnsureCreated();
+            }
+
+            if (env.IsDevelopment())
+            {
+                app.UseDeveloperExceptionPage();
+            }
+
+            app.UseHttpsRedirection();
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
+        }
+    }
+}

ScrumTaskboard/TaskContext.cs

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+using Microsoft.EntityFrameworkCore;
+using System;
+
+namespace ScrumTaskboard
+{
+    public class TaskContext : DbContext 
+    {
+        public DbSet<ScrumTask> Tasks { get; set; }
+
+        public TaskContext() { }
+
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            optionsBuilder.UseNpgsql("Host=nig.gl; Port=8543; Username=scrum; Database=taskboard; Password=c6gXud7YvBWp2sgxSgy4wRN");
+        }
+
+        public TaskContext(DbContextOptions<TaskContext> options) : base(options) { }
+    }
+
+    public class ScrumTask
+    {
+        public int Id { get; set; }
+
+        public string Titel { get; set; }
+
+        public string Inhalt { get; set; }
+
+
+
+
+        public int Status { get; set; }
+        public int Kategorie { get; set; }
+        public int Bearbeiter { get; set; }
+
+        public int ZugeordneterSprint { get; set; }
+        public int Projekt { get; set; }
+
+
+        public int Userstory { get; set; }
+    }
+}

ScrumTaskboard/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  }
+}

ScrumTaskboard/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft": "Warning",
+      "Microsoft.Hosting.Lifetime": "Information"
+    }
+  },
+  "AllowedHosts": "*"
+}