Add domain project and update references

src/Core/API/API.Core/API.Core.csproj

@@ -17,6 +17,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\Domain\Domain.Core\Domain.Core.csproj" />
     <ProjectReference Include="..\..\Repository\Repository.Core\Repository.Core.csproj" />
     <ProjectReference Include="..\..\Service\Service.Core\Service.Core.csproj" />
   </ItemGroup>

src/Core/API/API.Core/Controllers/AuthController.cs

@@ -1,5 +1,5 @@
 using System.Net;
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 using Microsoft.AspNetCore.Mvc;
 using Service.Core.Auth;
 using Service.Core.Jwt;

src/Core/API/API.Core/Controllers/UserController.cs

@@ -1,4 +1,4 @@
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 using Microsoft.AspNetCore.Mvc;
 using Service.Core.User;
 

src/Core/Core.slnx

@@ -7,6 +7,10 @@
     <Project Path="Database/Database.Migrations/Database.Migrations.csproj" />
     <Project Path="Database/Database.Seed/Database.Seed.csproj" />
   </Folder>
+  <Folder Name="/Domain/">
+    <Project Path="Domain/Domain.Core/Domain.Core.csproj" />
+    <Project Path="Domain/Domain.Validation/Domain.Validation.csproj" />
+  </Folder>
   <Folder Name="/Repository/">
     <Project Path="Repository/Repository.Core/Repository.Core.csproj" />
     <Project Path="Repository/Repository.Tests/Repository.Tests.csproj" />

src/Core/Database/Database.Seed/Database.Seed.csproj

@@ -18,6 +18,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\Domain\Domain.Core\Domain.Core.csproj" />
     <ProjectReference Include="..\..\Repository\Repository.Core\Repository.Core.csproj" />
   </ItemGroup>
 </Project>

src/Core/Database/Database.Seed/UserSeeder.cs

@@ -1,7 +1,7 @@
 using System.Data;
 using System.Security.Cryptography;
 using System.Text;
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 using Repository.Core.Repositories;
 using idunno.Password;
 using Konscious.Security.Cryptography;

src/Core/Domain/Domain.Core/Domain.Core.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+      <TargetFramework>net10.0</TargetFramework>
+      <ImplicitUsings>enable</ImplicitUsings>
+      <Nullable>enable</Nullable>
+      <RootNamespace>Domain.Core</RootNamespace>
+   </PropertyGroup>
+</Project>

src/Core/Domain/Domain.Core/Entities/UserAccount.cs

@@ -0,0 +1,14 @@
+namespace Domain.Core.Entities;
+
+public class UserAccount
+{
+   public Guid UserAccountId { get; set; }
+   public string Username { get; set; } = string.Empty;
+   public string FirstName { get; set; } = string.Empty;
+   public string LastName { get; set; } = string.Empty;
+   public string Email { get; set; } = string.Empty;
+   public DateTime CreatedAt { get; set; }
+   public DateTime? UpdatedAt { get; set; }
+   public DateTime DateOfBirth { get; set; }
+   public byte[]? Timer { get; set; }
+}

src/Core/Domain/Domain.Core/Entities/UserCredential.cs

@@ -0,0 +1,11 @@
+namespace Domain.Core.Entities;
+
+public class UserCredential
+{
+   public Guid UserCredentialId { get; set; }
+   public Guid UserAccountId { get; set; }
+   public DateTime CreatedAt { get; set; }
+   public DateTime Expiry { get; set; }
+   public string Hash { get; set; } = string.Empty;
+   public byte[]? Timer { get; set; }
+}

src/Core/Domain/Domain.Core/Entities/UserVerification.cs

@@ -0,0 +1,9 @@
+namespace Domain.Core.Entities;
+
+public class UserVerification
+{
+   public Guid UserVerificationId { get; set; }
+   public Guid UserAccountId { get; set; }
+   public DateTime VerificationDateTime { get; set; }
+   public byte[]? Timer { get; set; }
+}

src/Core/Domain/Domain.Validation/Domain.Validation.csproj

@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+   <PropertyGroup>
+      <TargetFramework>net10.0</TargetFramework>
+      <ImplicitUsings>enable</ImplicitUsings>
+      <Nullable>enable</Nullable>
+      <RootNamespace>Domain.Validation</RootNamespace>
+   </PropertyGroup>
+
+   <ItemGroup>
+      <ProjectReference Include="..\Domain.Core\Domain.Core.csproj" />
+   </ItemGroup>
+</Project>

src/Core/Repository/Repository.Core/Entities/UserAccount.cs

@@ -1,16 +0,0 @@
-namespace Repository.Core.Entities;
-
-public class UserAccount
-{
-    public Guid UserAccountId { get; set; }
-    public string Username { get; set; } = string.Empty;
-    public string FirstName { get; set; } = string.Empty;
-    public string LastName { get; set; } = string.Empty;
-    public string Email { get; set; } = string.Empty;
-    public DateTime CreatedAt { get; set; }
-    public DateTime? UpdatedAt { get; set; }
-    public DateTime DateOfBirth { get; set; }
-    public byte[]? Timer { get; set; }
-}
-
-

src/Core/Repository/Repository.Core/Entities/UserCredential.cs

@@ -1,11 +0,0 @@
-namespace Repository.Core.Entities;
-
-public class UserCredential
-{
-    public Guid UserCredentialId { get; set; }
-    public Guid UserAccountId { get; set; }
-    public DateTime CreatedAt { get; set; }
-    public DateTime Expiry { get; set; }
-    public string Hash { get; set; } = string.Empty;
-    public byte[]? Timer { get; set; }
-}

src/Core/Repository/Repository.Core/Entities/UserVerification.cs

@@ -1,9 +0,0 @@
-namespace Repository.Core.Entities;
-
-public class UserVerification
-{
-    public Guid UserVerificationId { get; set; }
-    public Guid UserAccountId { get; set; }
-    public DateTime VerificationDateTime { get; set; }
-    public byte[]? Timer { get; set; }
-}

src/Core/Repository/Repository.Core/Repositories/Auth/AuthRepository.cs

@@ -1,10 +1,11 @@
 using System.Data;
 using System.Data.Common;
+using Domain.Core.Entities;
 using Repository.Core.Sql;
 
 namespace Repository.Core.Repositories.Auth
 {
-    public class AuthRepository : Repository<Entities.UserAccount>, IAuthRepository
+    public class AuthRepository : Repository<Domain.Core.Entities.UserAccount>, IAuthRepository
     {
         public AuthRepository(ISqlConnectionFactory connectionFactory)
             : base(connectionFactory)
@@ -12,7 +13,7 @@ namespace Repository.Core.Repositories.Auth
         }
 
 
-        public async Task<Entities.UserAccount> RegisterUserAsync(
+        public async Task<Domain.Core.Entities.UserAccount> RegisterUserAsync(
             string username,
             string firstName,
             string lastName,
@@ -36,7 +37,7 @@ namespace Repository.Core.Repositories.Auth
             var result = await command.ExecuteScalarAsync();
             var userAccountId = result != null ? (Guid)result : Guid.Empty;
 
-            return new Entities.UserAccount
+            return new Domain.Core.Entities.UserAccount
             {
                 UserAccountId = userAccountId,
                 Username = username,
@@ -49,7 +50,7 @@ namespace Repository.Core.Repositories.Auth
         }
 
 
-        public async Task<Entities.UserAccount?> GetUserByEmailAsync(string email)
+        public async Task<Domain.Core.Entities.UserAccount?> GetUserByEmailAsync(string email)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -63,7 +64,7 @@ namespace Repository.Core.Repositories.Auth
         }
 
 
-        public async Task<Entities.UserAccount?> GetUserByUsernameAsync(string username)
+        public async Task<Domain.Core.Entities.UserAccount?> GetUserByUsernameAsync(string username)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -76,7 +77,7 @@ namespace Repository.Core.Repositories.Auth
             return await reader.ReadAsync() ? MapToEntity(reader) : null;
         }
 
-        public async Task<Entities.UserCredential?> GetActiveCredentialByUserAccountIdAsync(Guid userAccountId)
+        public async Task<UserCredential?> GetActiveCredentialByUserAccountIdAsync(Guid userAccountId)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -105,9 +106,9 @@ namespace Repository.Core.Repositories.Auth
         /// <summary>
         /// Maps a data reader row to a UserAccount entity.
         /// </summary>
-        protected override Entities.UserAccount MapToEntity(DbDataReader reader)
+        protected override Domain.Core.Entities.UserAccount MapToEntity(DbDataReader reader)
         {
-            return new Entities.UserAccount
+            return new Domain.Core.Entities.UserAccount
             {
                 UserAccountId = reader.GetGuid(reader.GetOrdinal("UserAccountId")),
                 Username = reader.GetString(reader.GetOrdinal("Username")),
@@ -128,9 +129,9 @@ namespace Repository.Core.Repositories.Auth
         /// <summary>
         /// Maps a data reader row to a UserCredential entity.
         /// </summary>
-        private static Entities.UserCredential MapToCredentialEntity(DbDataReader reader)
+        private static UserCredential MapToCredentialEntity(DbDataReader reader)
         {
-            var entity = new Entities.UserCredential
+            var entity = new UserCredential
             {
                 UserCredentialId = reader.GetGuid(reader.GetOrdinal("UserCredentialId")),
                 UserAccountId = reader.GetGuid(reader.GetOrdinal("UserAccountId")),

src/Core/Repository/Repository.Core/Repositories/Auth/IAuthRepository.cs

@@ -1,3 +1,5 @@
+using Domain.Core.Entities;
+
 namespace Repository.Core.Repositories.Auth
 {
     /// <summary>
@@ -16,7 +18,7 @@ namespace Repository.Core.Repositories.Auth
         /// <param name="dateOfBirth">User's date of birth</param>
         /// <param name="passwordHash">Hashed password</param>
         /// <returns>The newly created UserAccount with generated ID</returns>
-        Task<Entities.UserAccount> RegisterUserAsync(
+        Task<Domain.Core.Entities.UserAccount> RegisterUserAsync(
             string username,
             string firstName,
             string lastName,
@@ -30,7 +32,7 @@ namespace Repository.Core.Repositories.Auth
         /// </summary>
         /// <param name="email">Email address to search for</param>
         /// <returns>UserAccount if found, null otherwise</returns>
-        Task<Entities.UserAccount?> GetUserByEmailAsync(string email);
+        Task<Domain.Core.Entities.UserAccount?> GetUserByEmailAsync(string email);
 
         /// <summary>
         /// Retrieves a user account by username (typically used for login).
@@ -38,7 +40,7 @@ namespace Repository.Core.Repositories.Auth
         /// </summary>
         /// <param name="username">Username to search for</param>
         /// <returns>UserAccount if found, null otherwise</returns>
-        Task<Entities.UserAccount?> GetUserByUsernameAsync(string username);
+        Task<Domain.Core.Entities.UserAccount?> GetUserByUsernameAsync(string username);
 
         /// <summary>
         /// Retrieves the active (non-revoked) credential for a user account.
@@ -46,7 +48,7 @@ namespace Repository.Core.Repositories.Auth
         /// </summary>
         /// <param name="userAccountId">ID of the user account</param>
         /// <returns>Active UserCredential if found, null otherwise</returns>
-        Task<Entities.UserCredential?> GetActiveCredentialByUserAccountIdAsync(Guid userAccountId);
+        Task<UserCredential?> GetActiveCredentialByUserAccountIdAsync(Guid userAccountId);
 
         /// <summary>
         /// Rotates a user's credential by invalidating all existing credentials and creating a new one.

src/Core/Repository/Repository.Core/Repositories/UserAccount/IUserAccountRepository.cs

@@ -1,14 +1,15 @@
+using Domain.Core.Entities;
 
 
 namespace Repository.Core.Repositories.UserAccount
 {
     public interface IUserAccountRepository
     {
-        Task<Entities.UserAccount?> GetByIdAsync(Guid id);
+        Task<Domain.Core.Entities.UserAccount?> GetByIdAsync(Guid id);
-        Task<IEnumerable<Entities.UserAccount>> GetAllAsync(int? limit, int? offset);
+        Task<IEnumerable<Domain.Core.Entities.UserAccount>> GetAllAsync(int? limit, int? offset);
-        Task UpdateAsync(Entities.UserAccount userAccount);
+        Task UpdateAsync(Domain.Core.Entities.UserAccount userAccount);
         Task DeleteAsync(Guid id);
-        Task<Entities.UserAccount?> GetByUsernameAsync(string username);
+        Task<Domain.Core.Entities.UserAccount?> GetByUsernameAsync(string username);
-        Task<Entities.UserAccount?> GetByEmailAsync(string email);
+        Task<Domain.Core.Entities.UserAccount?> GetByEmailAsync(string email);
     }
 }

src/Core/Repository/Repository.Core/Repositories/UserAccount/UserAccountRepository.cs

@@ -1,13 +1,14 @@
 using System.Data;
 using System.Data.Common;
+using Domain.Core.Entities;
 using Repository.Core.Sql;
 
 namespace Repository.Core.Repositories.UserAccount
 {
     public class UserAccountRepository(ISqlConnectionFactory connectionFactory)
-        : Repository<Entities.UserAccount>(connectionFactory), IUserAccountRepository
+        : Repository<Domain.Core.Entities.UserAccount>(connectionFactory), IUserAccountRepository
     {
-        public async Task<Entities.UserAccount?> GetByIdAsync(Guid id)
+        public async Task<Domain.Core.Entities.UserAccount?> GetByIdAsync(Guid id)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -20,7 +21,7 @@ namespace Repository.Core.Repositories.UserAccount
             return await reader.ReadAsync() ? MapToEntity(reader) : null;
         }
 
-        public async Task<IEnumerable<Entities.UserAccount>> GetAllAsync(int? limit, int? offset)
+        public async Task<IEnumerable<Domain.Core.Entities.UserAccount>> GetAllAsync(int? limit, int? offset)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -34,7 +35,7 @@ namespace Repository.Core.Repositories.UserAccount
                 AddParameter(command, "@Offset", offset.Value);
 
             await using var reader = await command.ExecuteReaderAsync();
-            var users = new List<Entities.UserAccount>();
+            var users = new List<Domain.Core.Entities.UserAccount>();
 
             while (await reader.ReadAsync())
             {
@@ -44,7 +45,7 @@ namespace Repository.Core.Repositories.UserAccount
             return users;
         }
 
-        public async Task UpdateAsync(Entities.UserAccount userAccount)
+        public async Task UpdateAsync(Domain.Core.Entities.UserAccount userAccount)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -72,7 +73,7 @@ namespace Repository.Core.Repositories.UserAccount
             await command.ExecuteNonQueryAsync();
         }
 
-        public async Task<Entities.UserAccount?> GetByUsernameAsync(string username)
+        public async Task<Domain.Core.Entities.UserAccount?> GetByUsernameAsync(string username)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -85,7 +86,7 @@ namespace Repository.Core.Repositories.UserAccount
             return await reader.ReadAsync() ? MapToEntity(reader) : null;
         }
 
-        public async Task<Entities.UserAccount?> GetByEmailAsync(string email)
+        public async Task<Domain.Core.Entities.UserAccount?> GetByEmailAsync(string email)
         {
             await using var connection = await CreateConnection();
             await using var command = connection.CreateCommand();
@@ -98,9 +99,9 @@ namespace Repository.Core.Repositories.UserAccount
             return await reader.ReadAsync() ? MapToEntity(reader) : null;
         }
 
-        protected override Entities.UserAccount MapToEntity(DbDataReader reader)
+        protected override Domain.Core.Entities.UserAccount MapToEntity(DbDataReader reader)
         {
-            return new Entities.UserAccount
+            return new Domain.Core.Entities.UserAccount
             {
                 UserAccountId = reader.GetGuid(reader.GetOrdinal("UserAccountId")),
                 Username = reader.GetString(reader.GetOrdinal("Username")),

src/Core/Repository/Repository.Core/Repository.Core.csproj

@@ -14,4 +14,7 @@
     <PackageReference Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="8.0.0" />
   </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Domain\Domain.Core\Domain.Core.csproj" />
+  </ItemGroup>
 </Project>

src/Core/Service/Service.Core/Auth/AuthService.cs

@@ -1,4 +1,4 @@
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 using Repository.Core.Repositories.Auth;
 using Service.Core.Password;
 

src/Core/Service/Service.Core/Auth/IAuthService.cs

@@ -1,4 +1,4 @@
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 
 namespace Service.Core.Auth;
 

src/Core/Service/Service.Core/Service.Core.csproj

@@ -11,6 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\..\Domain\Domain.Core\Domain.Core.csproj" />
     <ProjectReference Include="..\..\Repository\Repository.Core\Repository.Core.csproj" />
   </ItemGroup>
 </Project>

src/Core/Service/Service.Core/User/IUserService.cs

@@ -1,4 +1,4 @@
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 
 namespace Service.Core.User;
 

src/Core/Service/Service.Core/User/UserService.cs

@@ -1,4 +1,4 @@
-using Repository.Core.Entities;
+using Domain.Core.Entities;
 using Repository.Core.Repositories.UserAccount;
 
 namespace Service.Core.User;