First commit

Logic/IUserService.cs

@@ -0,0 +1,9 @@
+using Models;
+
+namespace Logic;
+
+public interface IUserService
+{
+    public void Create(string username, string email, string password);
+    public User? Read();
+}

Logic/Logic.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="../Repository/Repository.csproj" />
+  </ItemGroup>
+
+</Project>

Logic/UserService.cs

@@ -0,0 +1,18 @@
+using Models;
+using Repository;
+
+namespace Logic;
+
+public class UserService : IUserService
+{
+    private IRepository repository;
+    public User? Read()
+    {
+        return repository.Read();
+    }
+
+    public void Create(string username, string email, string password)
+    {
+        repository.Write(new User(username, email, password));
+    }
+}