Test Entity Framework

USEntryCoach.Server/Data/TestModel.cs

@@ -0,0 +1,37 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace USEntryCoach.Server.Data;
+
+public class BloggingContext : DbContext
+{
+    public DbSet<Blog> Blogs { get; set; }
+    public DbSet<Post> Posts { get; set; }
+
+
+    public BloggingContext (DbContextOptions<BloggingContext> options)
+        : base(options)
+    {
+    }
+
+    //public string ConnectionString { get; } = configuration.GetConnectionString("Default") ?? "No connection string";
+
+    //protected override void OnConfiguring(DbContextOptionsBuilder options) => options.UseNpgsql(ConnectionString);
+}
+
+public class Blog
+{
+    public int BlogId { get; set; }
+    public string Url { get; set; }
+
+    public List<Post> Posts { get; } = new();
+}
+
+public class Post
+{
+    public int PostId { get; set; }
+    public string Title { get; set; }
+    public string Content { get; set; }
+
+    public int BlogId { get; set; }
+    public Blog Blog { get; set; }
+}

USEntryCoach.Server/Migrations/20250527114315_Initial.Designer.cs

@@ -0,0 +1,88 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using USEntryCoach.Server.Data;
+
+#nullable disable
+
+namespace USEntryCoach.Server.Migrations
+{
+    [DbContext(typeof(BloggingContext))]
+    [Migration("20250527114315_Initial")]
+    partial class Initial
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Blog", b =>
+                {
+                    b.Property<int>("BlogId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("BlogId"));
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("BlogId");
+
+                    b.ToTable("Blogs");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Post", b =>
+                {
+                    b.Property<int>("PostId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("PostId"));
+
+                    b.Property<int>("BlogId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("PostId");
+
+                    b.HasIndex("BlogId");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Post", b =>
+                {
+                    b.HasOne("USEntryCoach.Server.Data.Blog", "Blog")
+                        .WithMany("Posts")
+                        .HasForeignKey("BlogId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Blog");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Blog", b =>
+                {
+                    b.Navigation("Posts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

USEntryCoach.Server/Migrations/20250527114315_Initial.cs

@@ -0,0 +1,64 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace USEntryCoach.Server.Migrations
+{
+    /// <inheritdoc />
+    public partial class Initial : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Blogs",
+                columns: table => new
+                {
+                    BlogId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Url = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Blogs", x => x.BlogId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Posts",
+                columns: table => new
+                {
+                    PostId = table.Column<int>(type: "integer", nullable: false)
+                        .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
+                    Title = table.Column<string>(type: "text", nullable: false),
+                    Content = table.Column<string>(type: "text", nullable: false),
+                    BlogId = table.Column<int>(type: "integer", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Posts", x => x.PostId);
+                    table.ForeignKey(
+                        name: "FK_Posts_Blogs_BlogId",
+                        column: x => x.BlogId,
+                        principalTable: "Blogs",
+                        principalColumn: "BlogId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Posts_BlogId",
+                table: "Posts",
+                column: "BlogId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Posts");
+
+            migrationBuilder.DropTable(
+                name: "Blogs");
+        }
+    }
+}

USEntryCoach.Server/Migrations/BloggingContextModelSnapshot.cs

@@ -0,0 +1,85 @@
+// <auto-generated />
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using USEntryCoach.Server.Data;
+
+#nullable disable
+
+namespace USEntryCoach.Server.Migrations
+{
+    [DbContext(typeof(BloggingContext))]
+    partial class BloggingContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Blog", b =>
+                {
+                    b.Property<int>("BlogId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("BlogId"));
+
+                    b.Property<string>("Url")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("BlogId");
+
+                    b.ToTable("Blogs");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Post", b =>
+                {
+                    b.Property<int>("PostId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("PostId"));
+
+                    b.Property<int>("BlogId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Content")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("PostId");
+
+                    b.HasIndex("BlogId");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Post", b =>
+                {
+                    b.HasOne("USEntryCoach.Server.Data.Blog", "Blog")
+                        .WithMany("Posts")
+                        .HasForeignKey("BlogId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Blog");
+                });
+
+            modelBuilder.Entity("USEntryCoach.Server.Data.Blog", b =>
+                {
+                    b.Navigation("Posts");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

USEntryCoach.Server/Program.cs

@@ -3,6 +3,7 @@ using System.Text;
 using System.Text.Json.Nodes;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.EntityFrameworkCore;
 using Microsoft.IdentityModel.Tokens;
 using USEntryCoach.Server.Data;
 using USEntryCoach.Server.Services;
@@ -53,6 +54,9 @@ builder.Services.AddAuthorization(options =>
     });
 });
 
+builder.Services.AddDbContext<BloggingContext>(options =>
+    options.UseNpgsql(builder.Configuration.GetConnectionString("Default")));
+
 var app = builder.Build();
 
 app.UseAuthentication();
@@ -176,4 +180,29 @@ app.MapGet("/ephemeral_token", async () =>
 
 app.MapFallbackToFile("/index.html");
 
+using (var scope = app.Services.CreateScope())
+{
+    var services = scope.ServiceProvider;
+
+    var context = services.GetRequiredService<BloggingContext>();
+    context.Database.EnsureCreated();
+
+    Blog b = new()
+    {
+        Url = "BLa"
+    };
+
+    Post p = new()
+    {
+      Blog  = b,
+      Content = "sd zgsödiog söffdgkjasödfl kjasdfökljasdfölasddj föadj kfö",
+      Title = "Hallo Welt"
+    };
+
+    b.Posts.Add(p);
+
+    context.Blogs.Add(b);
+    context.SaveChanges();
+}
+
 app.Run();

USEntryCoach.Server/USEntryCoach.Server.csproj

@@ -18,7 +18,12 @@
     <PackageReference Include="Microsoft.AspNetCore.SpaProxy">
       <Version>9.*-*</Version>
     </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.21.0" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
   </ItemGroup>
 
   <ItemGroup>

USEntryCoach.Server/appsettings.Development.json

@@ -10,5 +10,8 @@
   },
   "Authentication": {
     "JwtGenerationSecret": "Please provide a GUID (without dashes) as secret."
+  },
+  "ConnectionStrings": {
+    "Default": "User ID=us-entry-agent-dev;Password=example;Host=localhost;Port=5432;Database=us-entry-agent-dev;Pooling=true;MinPoolSize=0;MaxPoolSize=100;Connection Lifetime=0;"
   }
 }

USEntryCoach.Server/appsettings.json

@@ -12,5 +12,8 @@
   "Authentication": {
     "JwtGenerationSecret": "Please provide a GUID (without dashes) as secret.",
     "JwtExpiryTime": "00:15:00"
+  },
+  "ConnectionStrings": {
+    "Default": "[NO_CONNECTION_STRING]"
   }
 }