fredgrott

class Account implements AggregateModel {
  String id;

  String owner;

  double amount;

  Account({this.id = Uuid().v4(), this.owner, this.amount});
}

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// Modified from jaguar cqrs MIT license
// Copyright 2016

import 'dart:async';

import 'package:fdd_api/core/cqrs/definition.dart';

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// Modified from jaguar cqrs MIT license
// Copyright 2016

// ignore_for_file: use_setters_to_change_properties

import 'dart:async';

fredgrott

void main() async {
  
  final cqrs = CQRS()
    ..registerAggregate(AccountAggregate())
    ..resigerRepository(InMemoryRepository<Account>(forAggregate: "account"));
  
  cqrs.events.listen(debugPrint);
  

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// Modified from jaguar cqrs MIT license
// Copyright 2016

// ignore_for_file: unnecessary_null_comparison

import 'dart:async';

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// ignore_for_file: unnecessary_null_comparison

import 'package:dartz/dartz.dart';
import 'package:fdd_api/core/value_objects/errors.dart';
import 'package:fdd_api/core/value_objects/failures.dart';
import 'package:fdd_api/core/value_objects/ivalidatable.dart';

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

import 'package:dartz/dartz.dart';
import 'package:fdd_api/core/value_objects/failures.dart';
import 'package:kt_dart/kt.dart';

Either<ValueFailure<String>, String> validateMaxStringLength(String input, int maxLength) {
  if (input.length <= maxLength) {

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

abstract class IValidatable {
  bool isValid();
}

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

import 'package:freezed_annotation/freezed_annotation.dart';

part 'failures.freezed.dart';

@freezed
abstract class ValueFailure<T> with _$ValueFailure<T> {

fredgrott

// Copyright 2025 Fredrick Allan Grott. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

import 'package:fdd_api/core/value_objects/failures.dart';

class UnexpectedValueError extends Error {
  final ValueFailure valueFailure;

  UnexpectedValueError(this.valueFailure);