Refactor code structure for improved readability and maintainability

apps/api/Api.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.14">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.14" />
+    <PackageReference Include="NSwag.AspNetCore" Version="14.1.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+  </ItemGroup>
+
+</Project>

apps/api/Migrations/20260506065055_InitialCreate.Designer.cs

@@ -0,0 +1,48 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    [Migration("20260506065055_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.14");
+
+            modelBuilder.Entity("Workout", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("DurationMinutes")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Workouts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

apps/api/Migrations/20260506065055_InitialCreate.cs

@@ -0,0 +1,37 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Workouts",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "TEXT", nullable: false),
+                    Name = table.Column<string>(type: "TEXT", nullable: false),
+                    Date = table.Column<DateTime>(type: "TEXT", nullable: false),
+                    DurationMinutes = table.Column<int>(type: "INTEGER", nullable: false),
+                    Notes = table.Column<string>(type: "TEXT", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Workouts", x => x.Id);
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Workouts");
+        }
+    }
+}

apps/api/Migrations/AppDbContextModelSnapshot.cs

@@ -0,0 +1,45 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace Api.Migrations
+{
+    [DbContext(typeof(AppDbContext))]
+    partial class AppDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "8.0.14");
+
+            modelBuilder.Entity("Workout", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT");
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("TEXT");
+
+                    b.Property<int>("DurationMinutes")
+                        .HasColumnType("INTEGER");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT");
+
+                    b.Property<string>("Notes")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Workouts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

apps/api/Program.cs

@@ -0,0 +1,75 @@
+using Microsoft.EntityFrameworkCore;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddDbContext<AppDbContext>(options =>
+    options.UseSqlite("Data Source=fitness.db"));
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddOpenApiDocument();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseOpenApi();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+// ===================================================================
+// CRUD ENDPUNKTE (minimal, ohne Auth)
+// ===================================================================
+
+// CREATE
+app.MapPost("/api/workouts", async (Workout workout, AppDbContext db) =>
+{
+    workout.Id = Guid.NewGuid();
+    db.Workouts.Add(workout);
+    await db.SaveChangesAsync();
+    return Results.Created($"/api/workouts/{workout.Id}", workout);
+});
+
+// READ ALL
+app.MapGet("/api/workouts", async (AppDbContext db) =>
+    await db.Workouts.OrderByDescending(w => w.Date).ToListAsync());
+
+// READ BY ID
+app.MapGet("/api/workouts/{id:guid}", async (Guid id, AppDbContext db) =>
+    await db.Workouts.FindAsync(id) is Workout w ? Results.Ok(w) : Results.NotFound());
+
+// UPDATE
+app.MapPut("/api/workouts/{id:guid}", async (Guid id, Workout input, AppDbContext db) =>
+{
+    var workout = await db.Workouts.FindAsync(id);
+    if (workout is null) return Results.NotFound();
+
+    workout.Name = input.Name;
+    workout.Date = input.Date;
+    workout.DurationMinutes = input.DurationMinutes;
+    workout.Notes = input.Notes;
+    await db.SaveChangesAsync();
+    return Results.Ok(workout);
+});
+
+// DELETE
+app.MapDelete("/api/workouts/{id:guid}", async (Guid id, AppDbContext db) =>
+{
+    var workout = await db.Workouts.FindAsync(id);
+    if (workout is null) return Results.NotFound();
+
+    db.Workouts.Remove(workout);
+    await db.SaveChangesAsync();
+    return Results.NoContent();
+});
+
+app.MapGet("/", () => "🏋️ Fitness API läuft!");
+app.Run();
+
+public class AppDbContext : DbContext
+{
+    public AppDbContext(DbContextOptions<AppDbContext> options) : base(options) { }
+    public DbSet<Workout> Workouts => Set<Workout>();
+}

apps/api/Properties/launchSettings.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:16915",
+      "sslPort": 44327
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5107",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7079;http://localhost:5107",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

apps/api/Workout.cs

@@ -0,0 +1,8 @@
+public class Workout
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public DateTime Date { get; set; }
+    public int DurationMinutes { get; set; }
+    public string? Notes { get; set; }
+}

apps/api/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

apps/api/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}