Nicolaj Hartmann
1f75c5d791
This commit includes all previously untracked backend files: Domain: - Accounts, Attachments, BankConnections, Customers - FiscalYears, Invoices, JournalEntryDrafts - Orders, Products, UserAccess Commands & Handlers: - Full CQRS command structure for all domains Repositories: - PostgreSQL repositories for all read models - Bank transaction and ledger repositories GraphQL: - Input types, scalars, and types for all entities - Mutations and queries Infrastructure: - Banking integration (Enable Banking client) - File storage, Invoicing, Reporting, SAF-T export - Database migrations (003-029) Tests: - Integration tests for GraphQL endpoints - Domain tests - Invoicing and reporting tests Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
31 lines
1.2 KiB
C#
31 lines
1.2 KiB
C#
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using EventFlow.Core;
|
|
|
|
namespace Books.Api.Domain.Accounts;
|
|
|
|
public class AccountId(string value) : Identity<AccountId>(value)
|
|
{
|
|
/// <summary>
|
|
/// Creates a deterministic AccountId based on company and account number.
|
|
/// This prevents duplicate accounts even with race conditions.
|
|
/// Uses SHA256 to generate a deterministic GUID from the input.
|
|
/// </summary>
|
|
public static AccountId FromCompanyAndNumber(string companyId, string accountNumber)
|
|
{
|
|
// Create a deterministic GUID from the company ID and account number
|
|
var input = $"{companyId}:{accountNumber}";
|
|
var hash = SHA256.HashData(Encoding.UTF8.GetBytes(input));
|
|
|
|
// Use the first 16 bytes of the hash to create a GUID
|
|
var guidBytes = new byte[16];
|
|
Array.Copy(hash, guidBytes, 16);
|
|
|
|
// Set version (4) and variant bits to make it a valid UUID
|
|
guidBytes[6] = (byte)((guidBytes[6] & 0x0F) | 0x40); // Version 4
|
|
guidBytes[8] = (byte)((guidBytes[8] & 0x3F) | 0x80); // Variant 1
|
|
|
|
var deterministicGuid = new Guid(guidBytes);
|
|
return new AccountId($"account-{deterministicGuid:D}");
|
|
}
|
|
}
|