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2026-07-13 17:29:43 +02:00
parent 7bcb1802af
commit bf16b7b807
20 changed files with 322 additions and 52 deletions
@@ -1,6 +0,0 @@
-@FinancialApi_HostAddress = https://localhost:7010
-
-GET {{FinancialApi_HostAddress}}/weatherforecast/
-Accept: application/json
-
-###
@@ -1,45 +0,0 @@
-using FinancialApi.ServiceDefaults;
-
-var builder = WebApplication.CreateBuilder(args);
-
-// Add services to the container.
-// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
-builder.Services.AddOpenApi();
-
-builder.AddServiceDefaults();
-
-var app = builder.Build();
-
-// Configure the HTTP request pipeline.
-if (app.Environment.IsDevelopment())
-{
-    app.MapOpenApi();
-}
-
-app.UseHttpsRedirection();
-
-var summaries = new[]
-{
-    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-};
-
-app.MapGet("/weatherforecast", () =>
-    {
-        var forecast = Enumerable.Range(1, 5).Select(index =>
-                new WeatherForecast
-                (
-                    DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-                    Random.Shared.Next(-20, 55),
-                    summaries[Random.Shared.Next(summaries.Length)]
-                ))
-            .ToArray();
-        return forecast;
-    })
-    .WithName("GetWeatherForecast");
-
-app.Run();
-
-record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
-{
-    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-}
@@ -0,0 +1,16 @@
+namespace FinancialApi.Application;
+
+public record Account(int Id, decimal Balance)
+{
+    public Account ApplyFee(decimal amount)
+    {
+        if (amount <= 0) 
+            throw new ArgumentException("Fee must be positive.");
+            
+        if (Balance - amount < 0)
+            throw new InvalidOperationException("Insufficient funds.");
+
+        // Returns a brand new record with the updated balance
+        return this with { Balance = Balance - amount };
+    }
+}
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>
@@ -0,0 +1,24 @@
+using FinancialApi.Application;
+using Microsoft.EntityFrameworkCore;
+
+namespace FinancialApi.Infrastructure;
+
+public class AccountDbContext : DbContext
+{
+    public AccountDbContext(DbContextOptions<AccountDbContext> options) : base(options)
+    {
+    }
+
+    public DbSet<Account> Accounts => Set<Account>();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        modelBuilder.Entity<Account>()
+            .HasKey(x => x.Id);
+
+        modelBuilder.Entity<Account>().HasData(
+            new Account(1, 100.00m),
+            new Account(2, 500.00m)
+        );
+    }
+}
@@ -0,0 +1,21 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net10.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\FinancialApi.Application\FinancialApi.Application.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Microsoft.EntityFrameworkCore" Version="10.0.9" />
+      <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="10.0.9" />
+      <PackageReference Include="WolverineFx" Version="6.17.3" />
+      <PackageReference Include="WolverineFx.EntityFrameworkCore" Version="6.17.3" />
+      <PackageReference Include="WolverineFx.Sqlite" Version="6.17.3" />
+    </ItemGroup>
+
+</Project>
@@ -0,0 +1,50 @@
+// <auto-generated />
+using FinancialApi.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FinancialApi.Infrastructure.Migrations
+{
+    [DbContext(typeof(AccountDbContext))]
+    [Migration("20260713152041_InitialCreate")]
+    partial class InitialCreate
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "10.0.9");
+
+            modelBuilder.Entity("FinancialApi.Application.Account", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<decimal>("Balance")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Accounts");
+
+                    b.HasData(
+                        new
+                        {
+                            Id = 1,
+                            Balance = 100.00m
+                        },
+                        new
+                        {
+                            Id = 2,
+                            Balance = 500.00m
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
@@ -0,0 +1,45 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+#pragma warning disable CA1814 // Prefer jagged arrays over multidimensional
+
+namespace FinancialApi.Infrastructure.Migrations
+{
+    /// <inheritdoc />
+    public partial class InitialCreate : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Accounts",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "INTEGER", nullable: false)
+                        .Annotation("Sqlite:Autoincrement", true),
+                    Balance = table.Column<decimal>(type: "TEXT", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Accounts", x => x.Id);
+                });
+
+            migrationBuilder.InsertData(
+                table: "Accounts",
+                columns: new[] { "Id", "Balance" },
+                values: new object[,]
+                {
+                    { 1, 100.00m },
+                    { 2, 500.00m }
+                });
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Accounts");
+        }
+    }
+}
@@ -0,0 +1,47 @@
+// <auto-generated />
+using FinancialApi.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace FinancialApi.Infrastructure.Migrations
+{
+    [DbContext(typeof(AccountDbContext))]
+    partial class AccountDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder.HasAnnotation("ProductVersion", "10.0.9");
+
+            modelBuilder.Entity("FinancialApi.Application.Account", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER");
+
+                    b.Property<decimal>("Balance")
+                        .HasColumnType("TEXT");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Accounts");
+
+                    b.HasData(
+                        new
+                        {
+                            Id = 1,
+                            Balance = 100.00m
+                        },
+                        new
+                        {
+                            Id = 2,
+                            Balance = 500.00m
+                        });
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
@@ -0,0 +1,25 @@
+using FinancialApi.Application;
+using FinancialApi.Infrastructure;
+using Microsoft.EntityFrameworkCore;
+
+namespace FinancialApi;
+
+public static class ApplyFeeHandler
+{
+    public static Task<Account?> LoadAsync(ApplyFeeCommand cmd, AccountDbContext db)
+        => db.Set<Account>().AsNoTracking()
+            .FirstOrDefaultAsync(x => x.Id == cmd.AccountId);
+
+    public static (Account UpdatedAccount, FeeAppliedEvent Event) Handle(ApplyFeeCommand cmd, Account account)
+    {
+        var updatedAccount = account.ApplyFee(cmd.Amount);
+
+        var @event = new FeeAppliedEvent(account.Id, cmd.Amount);
+
+        return (updatedAccount, @event);
+    }
+}
+
+public record ApplyFeeCommand(int AccountId, decimal Amount);
+
+public record FeeAppliedEvent(int AccountId, decimal Amount);
@@ -8,9 +8,14 @@

    <ItemGroup>
        <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.9"/>
+        <PackageReference Include="Microsoft.OpenApi" Version="2.10.0" />
+        <PackageReference Include="WolverineFx" Version="6.17.3" />
+        <PackageReference Include="WolverineFx.Http" Version="6.17.3" />
+        <PackageReference Include="WolverineFx.RuntimeCompilation" Version="6.17.3" />
    </ItemGroup>

    <ItemGroup>
+      <ProjectReference Include="..\FinancialApi.Infrastructure\FinancialApi.Infrastructure.csproj" />
      <ProjectReference Include="..\FinancialApi.ServiceDefaults\FinancialApi.ServiceDefaults.csproj" />
    </ItemGroup>

@@ -0,0 +1,17 @@
+@FinancialApi_HostAddress = https://localhost:7010
+
+GET {{FinancialApi_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###
+
+POST {{FinancialApi_HostAddress}}/accounts/apply-fee
+Accept: application/json
+Content-Type: application/json
+
+{
+  "accountId": 1,
+  "amount": 5.0
+}
+
+###
@@ -0,0 +1,50 @@
+using FinancialApi;
+using FinancialApi.Infrastructure;
+using FinancialApi.ServiceDefaults;
+using JasperFx.CodeGeneration;
+using Microsoft.EntityFrameworkCore;
+using Wolverine;
+using Wolverine.EntityFrameworkCore;
+using Wolverine.Sqlite;
+
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddDbContext<AccountDbContext>(options =>
+    options.UseSqlite("Data Source=demo.db"));
+
+// Add services to the container.
+// Learn more about configuring OpenAPI at https://aka.ms/aspnet/openapi
+builder.Services.AddOpenApi();
+
+builder.AddServiceDefaults();
+
+builder.Host.UseWolverine(opts =>
+{
+    opts.PersistMessagesWithSqlite("Data Source=demo.db");
+    opts.UseEntityFrameworkCoreTransactions();
+});
+
+var app = builder.Build();
+
+using (var scope = app.Services.CreateScope())
+{
+    var db = scope.ServiceProvider.GetRequiredService<AccountDbContext>();
+    await db.Database.MigrateAsync();
+}
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.MapOpenApi();
+}
+
+app.UseHttpsRedirection();
+
+app.MapPost("/accounts/apply-fee", async (ApplyFeeCommand cmd, IMessageBus bus) =>
+{
+    await bus.InvokeAsync(cmd); 
+    return Results.Accepted();
+});
+
+app.Run();
@@ -2,7 +2,11 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FinancialApi.ServiceDefaults", "FinancialApi.ServiceDefaults\FinancialApi.ServiceDefaults.csproj", "{D9767D77-0B2D-4653-9B9C-A0E6A3850EA3}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FinacialApi", "FinacialApi\FinacialApi.csproj", "{9EFD8279-869B-485C-BA02-C983E96348A0}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FinancialApi", "FinancialApi\FinancialApi.csproj", "{9EFD8279-869B-485C-BA02-C983E96348A0}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FinancialApi.Application", "FinancialApi.Application\FinancialApi.Application.csproj", "{B7EB1ECE-9F7F-440B-8818-28A127A99915}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FinancialApi.Infrastructure", "FinancialApi.Infrastructure\FinancialApi.Infrastructure.csproj", "{6AB36AB5-05BD-41C8-9498-63EBDFAF8114}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -18,5 +22,13 @@ Global
 		{9EFD8279-869B-485C-BA02-C983E96348A0}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9EFD8279-869B-485C-BA02-C983E96348A0}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9EFD8279-869B-485C-BA02-C983E96348A0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B7EB1ECE-9F7F-440B-8818-28A127A99915}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B7EB1ECE-9F7F-440B-8818-28A127A99915}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B7EB1ECE-9F7F-440B-8818-28A127A99915}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B7EB1ECE-9F7F-440B-8818-28A127A99915}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6AB36AB5-05BD-41C8-9498-63EBDFAF8114}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6AB36AB5-05BD-41C8-9498-63EBDFAF8114}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6AB36AB5-05BD-41C8-9498-63EBDFAF8114}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6AB36AB5-05BD-41C8-9498-63EBDFAF8114}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal