Refactor user registration process to use UserRegistrationDto;

implement user registration in seed app

web/backend/Database/Database.Seed/Database.Seed.csproj

@@ -8,29 +8,29 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="idunno.Password.Generator" Version="1.0.1"/>
+        <PackageReference Include="idunno.Password.Generator" Version="2.0.0" />
-        <PackageReference Include="Konscious.Security.Cryptography.Argon2" Version="1.3.1"/>
+        <PackageReference Include="Microsoft.Data.SqlClient" Version="7.0.2" />
-        <PackageReference Include="Microsoft.Data.SqlClient" Version="7.0.2"/>
+        <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.0" />
-        <PackageReference Include="Microsoft.Data.Sqlite" Version="10.0.9"/>
-        <PackageReference Include="dbup" Version="5.0.41"/>
 
         <!--
         remove this override once microsoft ships official fix to vulnerability
         https:
         -->
-        <PackageReference Include="SQLitePCLRaw.lib.e_sqlite3" Version="3.50.3"/>
+        <PackageReference Include="SQLitePCLRaw.lib.e_sqlite3" Version="3.50.3" />
     </ItemGroup>
 
     <ItemGroup>
-        <ProjectReference Include="..\..\Domain\Domain.Entities\Domain.Entities.csproj"/>
+        <ProjectReference Include="..\..\Domain\Domain.Entities\Domain.Entities.csproj" />
-        <ProjectReference Include="..\..\Infrastructure\Infrastructure.Sql\Infrastructure.Sql.csproj"/>
+        <ProjectReference
-        <ProjectReference Include="..\..\Features\Features.Breweries\Features.Breweries.csproj"/>
+            Include="..\..\Infrastructure\Infrastructure.Sql\Infrastructure.Sql.csproj" />
-        <ProjectReference Include="..\..\Features\Features.Auth\Features.Auth.csproj"/>
+        <ProjectReference Include="..\..\Features\Features.Breweries\Features.Breweries.csproj" />
+        <ProjectReference Include="..\..\Features\Features.Auth\Features.Auth.csproj" />
     </ItemGroup>
 
     <ItemGroup>
         <!-- Pipeline-generated seed data, copied to the output directory so it can be opened via
              ConnectionStrings.SqliteConnectionString at runtime. -->
-        <None CopyToOutputDirectory="PreserveNewest" Include="SeedData\seed.sqlite"/>
+        <None CopyToOutputDirectory="PreserveNewest"
+              Include="SeedData\biergarten_seed_2026-07-20T05-46-02.993511Z.sqlite" />
     </ItemGroup>
 </Project>

web/backend/Database/Database.Seed/DatabaseHelpers/ConnectionStrings.cs

@@ -9,7 +9,7 @@ namespace Database.Seed.DatabaseHelpers;
 public class ConnectionStrings
 {
     public static string SqlServerConnectionString => GetSqlServerConnectionString();
-    public static string SqliteConnectionString => "Data Source=SeedData/seed.sqlite";
+    public static string SqliteConnectionString => "Data Source=SeedData/biergarten_seed_2026-07-20T05-46-02.993511Z.sqlite";
 
     private static string GetSqlServerConnectionString()
     {

web/backend/Database/Database.Seed/Program.cs

@@ -4,6 +4,7 @@ using Database.Seed.DatabaseHelpers;
 using Database.Seed.PipelineData;
 using Database.Seed.Sqlite;
 using Features.Auth.DependencyInjection;
+using Features.Auth.Dtos;
 using Features.Auth.Repository;
 using Features.Breweries.DependencyInjection;
 using Features.Breweries.Repository;
@@ -11,68 +12,109 @@ using Infrastructure.Sql;
 using Microsoft.Data.Sqlite;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using idunno.Password;
+using Infrastructure.PasswordHashing;
+using Domain.Entities;
 
 
-IReadOnlyList<BreweryRecord> breweries;
+async static Task<int> main()
-IReadOnlyList<UserRecord> users;
-try
 {
-    PipelineSeedDataReader reader = new(ConnectionStrings.SqliteConnectionString);
+    IReadOnlyList<BreweryRecord> breweries;
-    breweries = reader.ReadBreweryRecords();
+    IReadOnlyList<UserRecord> users;
-    users = reader.ReadUserRecords();
+    try
-}
+    {
-catch (SqliteException ex)
+        PipelineSeedDataReader reader = new(ConnectionStrings.SqliteConnectionString);
-{
+        breweries = reader.ReadBreweryRecords();
-    Console.ForegroundColor = ConsoleColor.Red;
+        users = reader.ReadUserRecords();
-    Console.WriteLine($"Error opening database connection: {ex.Message}");
+    }
-    Console.ResetColor();
+    catch (SqliteException ex)
-    return 1;
+    {
-}
+        Console.ForegroundColor = ConsoleColor.Red;
+        Console.WriteLine($"Error opening database connection: {ex.Message}");
+        Console.ResetColor();
+        return 1;
+    }
 
-ServiceCollection services = [];
+    ServiceCollection services = [];
-services.AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
+    services.AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
-services.AddSingleton<ISqlConnectionFactory, DefaultSqlConnectionFactory>();
+    services.AddSingleton<ISqlConnectionFactory, DefaultSqlConnectionFactory>();
-services.AddFeaturesBreweries();
+    services.AddFeaturesBreweries();
-services.AddFeaturesAuth();
+    services.AddFeaturesAuth();
 
-using ServiceProvider provider = services.BuildServiceProvider();
+    using ServiceProvider provider = services.BuildServiceProvider();
 
-IBreweryRepository breweryRepository;
+    IBreweryRepository breweryRepository;
-IAuthRepository authRepository;
+    IAuthRepository authRepository;
-try
+    IPasswordInfrastructure passwordInfrastructure;
-{
+    try
-    breweryRepository = provider.GetRequiredService<IBreweryRepository>();
+    {
-    authRepository = provider.GetRequiredService<IAuthRepository>();
+        breweryRepository = provider.GetRequiredService<IBreweryRepository>();
-}
+        authRepository = provider.GetRequiredService<IAuthRepository>();
-catch (InvalidOperationException ex)
+        passwordInfrastructure = provider.GetRequiredService<IPasswordInfrastructure>();
-{
+    }
-    Console.ForegroundColor = ConsoleColor.Red;
+    catch (InvalidOperationException ex)
-    Console.WriteLine($"Error configuring database connection: {ex.Message}");
+    {
-    Console.ResetColor();
+        Console.ForegroundColor = ConsoleColor.Red;
-    return 1;
+        Console.WriteLine($"Error configuring database connection: {ex.Message}");
-}
+        Console.ResetColor();
+        return 1;
+    }
 
-Console.ForegroundColor = ConsoleColor.Green;
+    Console.ForegroundColor = ConsoleColor.Green;
-Console.WriteLine(
-    $"Loaded {breweries.Count} breweries."
-);
-Console.ResetColor();
-
-for (int i = 0; i < breweries.Count; i++)
-{
-    BreweryRecord brewery = breweries[i];
     Console.WriteLine(
-        $"{i + 1}:\t{brewery.Brewery.NameEn}\t({brewery.Address.City.CityName}, {brewery.Address.City.Country})");
+        $"Loaded {breweries.Count} breweries."
+    );
+    Console.ResetColor();
+
+    for (int i = 0; i < breweries.Count; i++)
+    {
+        BreweryRecord brewery = breweries[i];
+        Console.WriteLine(
+            $"{i + 1}:\t{brewery.Brewery.NameEn}\t({brewery.Address.City.CityName}, {brewery.Address.City.Country})");
+    }
+
+    Console.ForegroundColor = ConsoleColor.Green;
+    Console.WriteLine($"Loaded {users.Count} users.");
+    Console.ResetColor();
+
+    foreach (UserRecord user in users)
+    {
+        string username = user.User.Username;
+        string firstName = user.User.FirstName;
+        string lastName = user.User.LastName;
+        string email = user.Email;
+        DateTime dateOfBirth = DateTime.Parse(user.DateOfBirth);
+
+        // Generate a password that is 64 characters long with 10 digits, 10 symbols,
+        // allowing upper and lower case letters, disallowing repeat characters.
+        string generatedPassword = PasswordGenerator.Generate(length: 64, numberOfDigits: 10, numberOfSymbols: 10);
+        string hashedPassword = passwordInfrastructure.Hash(generatedPassword);
+
+        UserRegistrationDto registrationDto = new(
+            username,
+            firstName,
+            lastName,
+            email,
+            dateOfBirth,
+            hashedPassword
+        );
+
+        try
+        {
+            UserAccount createdUser = await authRepository.RegisterUserAsync(registrationDto);
+            Console.WriteLine($"Created user: {createdUser.Username} ({createdUser.UserAccountId})");
+        }
+        catch (Exception ex)
+        {
+            Console.ForegroundColor = ConsoleColor.Red;
+            Console.WriteLine($"Error creating user {username}: {ex.Message}");
+            Console.ResetColor();
+        }
+
+    }
+
+    return 0;
 }
 
-Console.ForegroundColor = ConsoleColor.Green;
-Console.WriteLine($"Loaded {users.Count} users.");
-Console.ResetColor();
 
-for (int i = 0; i < users.Count; i++)
+return await main();
-{
-    UserRecord user = users[i];
-    Console.WriteLine($"{i + 1}:\t{user.User.FirstName} {user.User.LastName}\t ({user.Email})");
-}
-
-return 0;

web/backend/Database/Database.Seed/Sqlite/PipelineSeedDataReader.cs

@@ -105,9 +105,16 @@ public sealed class PipelineSeedDataReader
     private static IReadOnlyDictionary<long, City> ReadCities(SqliteConnection connection)
     {
         const string sql = """
-                           SELECT id, city, state_province, iso3166_2, country, iso3166_1,
+                           SELECT
-                                  local_languages_json, postal_code_country_format_regex,
+                                id,
-                                  postal_code_city_regex_json
+                                city,
+                                state_province,
+                                iso3166_2,
+                                country,
+                                iso3166_1,
+                                local_languages_json,
+                                postal_code_country_format_regex,
+                                postal_code_city_regex_json
                            FROM cities;
                            """;
 
@@ -115,25 +122,36 @@ public sealed class PipelineSeedDataReader
         using SqliteDataReader reader = command.ExecuteReader();
 
         Dictionary<long, City> cities = [];
+
+        const int cityNameBindIndex = 1;
+        const int stateProvinceBindIndex = 2;
+        const int iso31662BindIndex = 3;
+        const int countryBindIndex = 4;
+        const int iso31661BindIndex = 5;
+        const int localLanguagesBindIndex = 6;
+        const int countryFormatRegexBindIndex = 7;
+        const int cityRegexesBindIndex = 8;
+
         while (reader.Read())
             cities[reader.GetInt64(0)] = new City
             {
-                CityName = reader.GetString(1),
+                CityName = reader.GetString(cityNameBindIndex),
-                StateProvince = reader.GetString(2),
+                StateProvince = reader.GetString(stateProvinceBindIndex),
-                Iso31662 = reader.GetString(3),
+                Iso31662 = reader.GetString(iso31662BindIndex),
-                Country = reader.GetString(4),
+                Country = reader.GetString(countryBindIndex),
-                Iso31661 = reader.GetString(5),
+                Iso31661 = reader.GetString(iso31661BindIndex),
-                LocalLanguages = DeserializeStringArray(reader.GetString(6)),
+                LocalLanguages = DeserializeStringArray(reader.GetString(localLanguagesBindIndex)),
                 PostalCode = new PostalCodeSpec
                 {
-                    CountryFormatRegex = reader.GetString(7),
+                    CountryFormatRegex = reader.GetString(countryFormatRegexBindIndex),
-                    CityRegexes = DeserializeStringArray(reader.GetString(8))
+                    CityRegexes = DeserializeStringArray(reader.GetString(cityRegexesBindIndex))
                 }
             };
 
         return cities;
     }
 
+
     private static IReadOnlyList<string> DeserializeStringArray(string json)
     {
         return JsonSerializer.Deserialize<List<string>>(json) ?? [];

web/backend/Features/Features.Auth.Tests/Commands/RegisterUserHandlerTests.cs

@@ -68,12 +68,14 @@ public class RegisterUserHandlerTests
         _authRepoMock
             .Setup(x =>
                 x.RegisterUserAsync(
-                    command.Username,
+                    new UserRegistrationDto(
-                    command.FirstName,
+                        command.Username,
-                    command.LastName,
+                        command.FirstName,
-                    command.Email,
+                        command.LastName,
-                    command.DateOfBirth,
+                        command.Email,
-                    hashedPassword
+                        command.DateOfBirth,
+                        hashedPassword
+                    )
                 )
             )
             .ReturnsAsync(
@@ -139,15 +141,7 @@ public class RegisterUserHandlerTests
             .WithMessage("Username or email already exists");
 
         _authRepoMock.Verify(
-            x =>
+            x => x.RegisterUserAsync(It.IsAny<UserRegistrationDto>()),
-                x.RegisterUserAsync(
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<DateTime>(),
-                    It.IsAny<string>()
-                ),
             Times.Never
         );
     }
@@ -192,12 +186,7 @@ public class RegisterUserHandlerTests
         _authRepoMock
             .Setup(x =>
                 x.RegisterUserAsync(
-                    It.IsAny<string>(),
+                    It.Is<UserRegistrationDto>(dto => dto.PasswordHash == hashedPassword)
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<DateTime>(),
-                    hashedPassword
                 )
             )
             .ReturnsAsync(new UserAccount { UserAccountId = Guid.NewGuid() });
@@ -215,12 +204,14 @@ public class RegisterUserHandlerTests
         _authRepoMock.Verify(
             x =>
                 x.RegisterUserAsync(
-                    command.Username,
+                    new UserRegistrationDto(
-                    command.FirstName,
+                        command.Username,
-                    command.LastName,
+                        command.FirstName,
-                    command.Email,
+                        command.LastName,
-                    command.DateOfBirth,
+                        command.Email,
-                    hashedPassword
+                        command.DateOfBirth,
+                        hashedPassword
+                    )
                 ),
             Times.Once
         );
@@ -239,16 +230,7 @@ public class RegisterUserHandlerTests
             .ReturnsAsync((UserAccount?)null);
         _passwordInfraMock.Setup(x => x.Hash(It.IsAny<string>())).Returns("hashed");
         _authRepoMock
-            .Setup(x =>
+            .Setup(x => x.RegisterUserAsync(It.IsAny<UserRegistrationDto>()))
-                x.RegisterUserAsync(
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<string>(),
-                    It.IsAny<DateTime>(),
-                    It.IsAny<string>()
-                )
-            )
             .ReturnsAsync(
                 new UserAccount
                 {

web/backend/Features/Features.Auth.Tests/Repository/AuthRepositoryTests.cs

@@ -1,5 +1,6 @@
 using Apps72.Dev.Data.DbMocker;
 using Domain.Entities;
+using Features.Auth.Dtos;
 using Features.Auth.Repository;
 using FluentAssertions;
 
@@ -50,12 +51,14 @@ public class AuthRepositoryTests
 
         AuthRepository repo = CreateRepo(conn);
         UserAccount result = await repo.RegisterUserAsync(
-            "testuser",
+            new UserRegistrationDto(
-            "Test",
+                "testuser",
-            "User",
+                "Test",
-            "test@example.com",
+                "User",
-            new DateTime(1990, 1, 1),
+                "test@example.com",
-            "hashedpassword123"
+                new DateTime(1990, 1, 1),
+                "hashedpassword123"
+            )
         );
 
         result.Should().NotBeNull();

web/backend/Features/Features.Auth/Commands/RegisterUser/RegisterUserHandler.cs

@@ -38,12 +38,12 @@ public class RegisterUserHandler(
         string hashed = passwordInfrastructure.Hash(request.Password);
 
         UserAccount createdUser = await authRepo.RegisterUserAsync(
-            request.Username,
+           new UserRegistrationDto(request.Username,
             request.FirstName,
             request.LastName,
             request.Email,
             request.DateOfBirth,
-            hashed
+            hashed)
         );
 
         string accessToken = tokenService.GenerateAccessToken(createdUser);

web/backend/Features/Features.Auth/Dtos/UserRegistrationDto.cs

@@ -0,0 +1,10 @@
+namespace Features.Auth.Dtos;
+
+public record UserRegistrationDto(
+    string Username,
+    string FirstName,
+    string LastName,
+    string Email,
+    DateTime DateOfBirth,
+    string PasswordHash
+);

web/backend/Features/Features.Auth/Repository/AuthRepository.cs

@@ -1,6 +1,7 @@
 using System.Data;
 using System.Data.Common;
 using Domain.Entities;
+using Features.Auth.Dtos;
 using Infrastructure.Sql;
 using Microsoft.Data.SqlClient;
 
@@ -35,12 +36,7 @@ public class AuthRepository(ISqlConnectionFactory connectionFactory)
     /// <exception cref="Exception">Thrown when the newly registered user cannot be retrieved after registration.</exception>
     /// <exception cref="Microsoft.Data.SqlClient.SqlException">Thrown when the database command fails.</exception>
     public async Task<UserAccount> RegisterUserAsync(
-        string username,
+        UserRegistrationDto userRegistrationDto
-        string firstName,
-        string lastName,
-        string email,
-        DateTime dateOfBirth,
-        string passwordHash
     )
     {
         await using DbConnection connection = await CreateConnection();
@@ -49,6 +45,9 @@ public class AuthRepository(ISqlConnectionFactory connectionFactory)
         command.CommandText = "USP_RegisterUser";
         command.CommandType = CommandType.StoredProcedure;
 
+        var (username, firstName, lastName, email, dateOfBirth, passwordHash) =
+            userRegistrationDto;
+
         AddParameter(command, "@Username", username);
         AddParameter(command, "@FirstName", firstName);
         AddParameter(command, "@LastName", lastName);

web/backend/Features/Features.Auth/Repository/IAuthRepository.cs

@@ -1,7 +1,7 @@
 using Domain.Entities;
+using Features.Auth.Dtos;
 
 namespace Features.Auth.Repository;
-
 /// <summary>
 ///     Repository for authentication-related database operations including user registration and credential management.
 /// </summary>
@@ -11,20 +11,8 @@ public interface IAuthRepository
     ///     Registers a new user with account details and initial credential.
     ///     Uses stored procedure: USP_RegisterUser
     /// </summary>
-    /// <param name="username">Unique username for the user</param>
-    /// <param name="firstName">User's first name</param>
-    /// <param name="lastName">User's last name</param>
-    /// <param name="email">User's email address</param>
-    /// <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<UserAccount> RegisterUserAsync(
-        string username,
+        UserRegistrationDto userRegistrationDto
-        string firstName,
-        string lastName,
-        string email,
-        DateTime dateOfBirth,
-        string passwordHash
     );
 
     /// <summary>