the-biergarten-app/web/backend/Infrastructure/Infrastructure.Repository/UserAccount/UserAccountRepository.cs

using System.Data;
using System.Data.Common;
using Infrastructure.Repository.Sql;

namespace Infrastructure.Repository.UserAccount;

public class UserAccountRepository(ISqlConnectionFactory connectionFactory)
    : Repository<Domain.Entities.UserAccount>(connectionFactory),
        IUserAccountRepository
{
    public async Task<Domain.Entities.UserAccount?> GetByIdAsync(Guid id)
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_GetUserAccountById";
        command.CommandType = CommandType.StoredProcedure;

        AddParameter(command, "@UserAccountId", id);

        await using var reader = await command.ExecuteReaderAsync();
        return await reader.ReadAsync() ? MapToEntity(reader) : null;
    }

    public async Task<IEnumerable<Domain.Entities.UserAccount>> GetAllAsync(
        int? limit,
        int? offset
    )
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_GetAllUserAccounts";
        command.CommandType = CommandType.StoredProcedure;

        if (limit.HasValue)
            AddParameter(command, "@Limit", limit.Value);

        if (offset.HasValue)
            AddParameter(command, "@Offset", offset.Value);

        await using var reader = await command.ExecuteReaderAsync();
        var users = new List<Domain.Entities.UserAccount>();

        while (await reader.ReadAsync())
        {
            users.Add(MapToEntity(reader));
        }

        return users;
    }

    public async Task UpdateAsync(Domain.Entities.UserAccount userAccount)
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_UpdateUserAccount";
        command.CommandType = CommandType.StoredProcedure;

        AddParameter(command, "@UserAccountId", userAccount.UserAccountId);
        AddParameter(command, "@Username", userAccount.Username);
        AddParameter(command, "@FirstName", userAccount.FirstName);
        AddParameter(command, "@LastName", userAccount.LastName);
        AddParameter(command, "@Email", userAccount.Email);
        AddParameter(command, "@DateOfBirth", userAccount.DateOfBirth);

        await command.ExecuteNonQueryAsync();
    }

    public async Task DeleteAsync(Guid id)
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_DeleteUserAccount";
        command.CommandType = CommandType.StoredProcedure;

        AddParameter(command, "@UserAccountId", id);
        await command.ExecuteNonQueryAsync();
    }

    public async Task<Domain.Entities.UserAccount?> GetByUsernameAsync(
        string username
    )
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_GetUserAccountByUsername";
        command.CommandType = CommandType.StoredProcedure;

        AddParameter(command, "@Username", username);

        await using var reader = await command.ExecuteReaderAsync();
        return await reader.ReadAsync() ? MapToEntity(reader) : null;
    }

    public async Task<Domain.Entities.UserAccount?> GetByEmailAsync(
        string email
    )
    {
        await using var connection = await CreateConnection();
        await using var command = connection.CreateCommand();
        command.CommandText = "usp_GetUserAccountByEmail";
        command.CommandType = CommandType.StoredProcedure;

        AddParameter(command, "@Email", email);

        await using var reader = await command.ExecuteReaderAsync();
        return await reader.ReadAsync() ? MapToEntity(reader) : null;
    }

    protected override Domain.Entities.UserAccount MapToEntity(
        DbDataReader reader
    )
    {
        return new Domain.Entities.UserAccount
        {
            UserAccountId = reader.GetGuid(reader.GetOrdinal("UserAccountId")),
            Username = reader.GetString(reader.GetOrdinal("Username")),
            FirstName = reader.GetString(reader.GetOrdinal("FirstName")),
            LastName = reader.GetString(reader.GetOrdinal("LastName")),
            Email = reader.GetString(reader.GetOrdinal("Email")),
            CreatedAt = reader.GetDateTime(reader.GetOrdinal("CreatedAt")),
            UpdatedAt = reader.IsDBNull(reader.GetOrdinal("UpdatedAt"))
                ? null
                : reader.GetDateTime(reader.GetOrdinal("UpdatedAt")),
            DateOfBirth = reader.GetDateTime(reader.GetOrdinal("DateOfBirth")),
            Timer = reader.IsDBNull(reader.GetOrdinal("Timer"))
                ? null
                : (byte[])reader["Timer"],
        };
    }

    private static void AddParameter(
        DbCommand command,
        string name,
        object? value
    )
    {
        var p = command.CreateParameter();
        p.ParameterName = name;
        p.Value = value ?? DBNull.Value;
        command.Parameters.Add(p);
    }
}