public static BudgetBalance Create(BudgetId budgetId)
{
return(new BudgetBalance()
{
BudgetId = budgetId
});
}
/// <summary>
/// Initialises a new instance of the <see cref="BudgetListItem"/> class.
/// </summary>
/// <param name="budgetId">Budget id</param>
/// <param name="name">Account name</param>
/// <param name="currencyCode">Currency code</param>
/// <param name="accountList">Account list</param>
/// <param name="commandBus">Command bus</param>
public BudgetListItem(BudgetId budgetId, string name, string currencyCode, AccountList accountList, ICommandBus commandBus)
{
this.budgetId = budgetId;
this.name = name;
this.currencyCode = currencyCode;
this.accountList = accountList;
this.commandBus = commandBus;
}
public virtual ActionResult Create()
{
var model = new CreateBudgetViewModel
{
Id = BudgetId.Create().ToString(),
Name = "New Budget",
Currencies = MyBudget.Domain.ValueObjects.Currencies.GetAll(),
};
return(View(model));
}
/// <summary>
/// Get the initialised account list for a budget
/// </summary>
/// <param name="budgetId">Budget id</param>
/// <returns>Initialised account list</returns>
private AccountList GetAccountListForBudget(BudgetId budgetId)
{
var accountList = this.GetBudgetList().FirstOrDefault(x => budgetId.Equals(x.BudgetId)).Accounts;
if (accountList == null)
{
accountList = new AccountList();
this.accountListRepository.Save(budgetId, accountList);
}
return(accountList);
}
/// <summary>
/// Retrieve an account list from the repository.
/// </summary>
/// <param name="budget">Budget the accounts belong to</param>
/// <returns>Reference to the account list in the repository. Guaranteed to be not <c>null</c>.</returns>
public AccountList Find(BudgetId budget)
{
var list = this.readStore.Retrieve <AccountList>(budget.ToGuid());
if (list == null)
{
list = new AccountList();
this.Save(budget, list);
}
return(list);
}
/// <summary>
/// Get the initialised account list
/// </summary>
/// <param name="budgetId">Budget id</param>
/// <returns>Initialised account list</returns>
private AccountList GetAccountListForBudget(BudgetId budgetId)
{
var accountList = this.accountListRepository.Find(budgetId);
if (accountList == null)
{
accountList = new AccountList();
this.accountListRepository.Save(budgetId, accountList);
}
return(accountList);
}
public async Task <Domain.ReadModels.BudgetBalance> GetBudgetBalance(BudgetId budgetId, CancellationToken cancellationToken)
{
var storedBalance = await _readDb.BudgetBalances.FirstOrDefaultAsync(x => x.BudgetId == budgetId, cancellationToken);
if (storedBalance == null || storedBalance.UpdateTime.Date.StartOfMonth() != DateTime.Today.StartOfMonth())
{
await CalculateBudgetBalance(budgetId, cancellationToken);
storedBalance = await _readDb.BudgetBalances.FirstOrDefaultAsync(x => x.BudgetId == budgetId, cancellationToken);
}
return(storedBalance);
}
public void be_created()
{
var budgetId = BudgetId.Create();
var ownerId = UserId.CreateNew();
var budget = new Budget();
budget.Create(budgetId, "name", ownerId, Currencies.Euro().IsoCode);
var events = budget.GetUncommittedEvents();
Assert.AreEqual(1, events.Count());
Assert.IsTrue(events.OfType <BudgetCreated>().Any());
}
public MyBudget.Commands.UpdateLine PrepareUpdateLine(string userId)
{
var expense = new Expense(new Amount(Currencies.Parse(CurrencyISOCode), Amount), Date, Category, Description, DistributionKey);
return(new MyBudget.Commands.UpdateLine
{
UserId = userId,
BudgetId = BudgetId.ToString(),
LineId = LineId.ToString(),
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
Expense = expense,
});
}
public IEnumerable <Category> GetBudgetsCategories(BudgetId budgetId)
{
if (HasLoaded == false)
{
throw new Exception("Not loaded");
}
List <Category> categories;
if (_categories.TryGetValue(budgetId.ToString(), out categories) == false)
{
_categories[budgetId.ToString()] = categories = new List <Category>();
}
return(categories.OrderBy(d => d.Name));
}
public virtual ActionResult Details(string id)
{
var budgetId = new BudgetId(id);
var budget = ProjectionManager.GetBudgetsList().GetBudgetById(budgetId);
var categories = ProjectionManager.GetCategories().GetBudgetsCategories(budgetId);
var model = new BudgetDetailsViewModel
{
Budget = budget,
Categories = categories,
DistributionKeys = budget.GetDistributionKeys(),
};
return(View(model));
}
/// <summary>
/// Initialises a new instance of the <see cref="CreateNewBudgetViewModel"/> class.
/// </summary>
/// <param name="readRepositories">Repositories for read models</param>
public CreateNewBudgetViewModel(ReadRepositories readRepositories)
{
this.currencyList = readRepositories.CurrencyRepository.GetAll();
this.CreateNewBudget = new RelayCommand(
() =>
{
var budgetId = new BudgetId(Guid.NewGuid());
var currencyCode = this.SelectedCurrency?.Code;
ServiceLocatorWrapper.Current.GetInstance <Kernel>().CommandBus.Submit(new AddBudgetCommand(budgetId, this.Name, currencyCode));
// TODO: navigate?
},
() => !string.IsNullOrWhiteSpace(this.Name) && this.selectedCurrency != null);
}
public CreateLine ToCreateLine(DateTime timestamp, BudgetId budgetId, string userId, IEnumerable <MyBudget.Projections.Category> categories)
{
var category = Categoria.Trim().Replace((char)160, ' ');
var categoryId = categories.FirstOrDefault(d => string.Compare(d.Name, category, true) == 0).Id;
var expense = new Expense(new Amount(Currencies.Euro(), Spesa), Data, categoryId, Descrizione, DistributionKey);
return(new CreateLine
{
Id = Guid.NewGuid(),
Timestamp = timestamp,
BudgetId = budgetId.ToString(),
LineId = LineId.Create(budgetId).ToString(),
UserId = userId,
Expense = expense,
});
}
public static CreateLine ToCreateLine(this Movement mov, BudgetId budgetId, string userId, IEnumerable <MyBudget.Projections.Category> categories)
{
var category = mov.Category.Trim().Replace((char)160, ' ');
var categoryId = categories.FirstOrDefault(d => string.Compare(d.Name, category, true) == 0).Id;
var expense = new Expense(new Amount(Currencies.Euro(), Convert.ToDecimal(mov.Import)), mov.DateTime, categoryId, mov.ShortDescription);
return(new CreateLine
{
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
BudgetId = budgetId.ToString(),
LineId = LineId.Create(budgetId).ToString(),
UserId = userId,
Expense = expense,
});
}
/// <summary>
/// Initialises a new instance of the <see cref="Account"/> class.
/// Create a new account
/// </summary>
/// <param name="id">Account id</param>
/// <param name="name">Account name</param>
/// <param name="budgetId">Budget the account belongs to</param>
/// <param name="unitOfWork">Unit of work</param>
internal Account(AccountId id, string name, BudgetId budgetId, IUnitOfWork unitOfWork) : this(id, unitOfWork, false)
{
if (id == null || !id.IsValid())
{
throw new ArgumentException("Account id must be valid");
}
// TODO: value object instead
if (string.IsNullOrWhiteSpace(name))
{
throw new ArgumentException("Account name must be valid");
}
if (budgetId == null)
{
throw new ArgumentNullException();
}
this.Apply(new AddedAccount(name, budgetId));
}
public virtual ActionResult Create(CreateBudgetViewModel model)
{
try
{
var handler = CommandManager.Create <CreateBudget>();
handler(new CreateBudget
{
UserId = GetCurrentUserId().ToString(),
BudgetName = model.Name,
BudgetId = BudgetId.Create().ToString(),
CurrencyISOCode = model.CurrencyISOCode,
Id = Guid.NewGuid(),
Timestamp = DateTime.Now,
});
return(RedirectToAction("Index"));
}
catch
{
return(View());
}
}
/// <summary>
/// Retrieve a budget list item from the repository.
/// </summary>
/// <param name="id">Budget Id</param>
/// <returns>Reference to the budget list item in the repository, if found. <c>null</c> otherwise.</returns>
public BudgetListItem Find(BudgetId id)
{
return(this.readStore.Retrieve <BudgetListItem>(id.ToGuid()));
}
/// <summary>
/// Save the account list, or add it to the repository. Beware: replaces existing account list in repository.
/// </summary>
/// <param name="budget">Budget the accounts belong to</param>
/// <param name="accountList">Account list to save</param>
internal void Save(BudgetId budget, AccountList accountList)
{
this.readStore.Store(budget.ToGuid(), accountList);
}
public async Task CalculateBudgetBalance(BudgetId budgetId, CancellationToken cancellationToken)
{
var currency = (await _writeDb.Budgets.FirstOrDefaultAsync(x => x.BudgetId == budgetId, cancellationToken: cancellationToken)).Currency;
var incomeCategoryIds = _writeDb.BudgetCategories
.Where(x => x.BudgetId == budgetId && x.BudgetCategoryType == eBudgetCategoryType.Income)
.Select(x => x.BudgetCategoryId);
var incomeSum = _writeDb.Transactions
.Include(x => x.SubTransactions)
.Where(x => incomeCategoryIds.Any(s => s == x.BudgetCategoryId))
.Sum(x => x.Amount.Amount + x.SubTransactions.Sum(s => s.Amount.Amount));
var spendingCategoryIds = _writeDb.BudgetCategories
.Where(x => x.BudgetId == budgetId && x.BudgetCategoryType == eBudgetCategoryType.Spending)
.Select(x => x.BudgetCategoryId);
var spendingSum = _writeDb.Transactions
.Include(x => x.SubTransactions)
.Where(x => spendingCategoryIds.Any(s => s == x.BudgetCategoryId))
.Sum(x => x.Amount.Amount + x.SubTransactions.Sum(s => s.Amount.Amount));
var savingCategoryIds = _writeDb.BudgetCategories
.Where(x => x.BudgetId == budgetId && x.BudgetCategoryType == eBudgetCategoryType.Saving)
.Select(x => x.BudgetCategoryId);
var savingSum = _writeDb.Transactions
.Include(x => x.SubTransactions)
.Where(x => savingCategoryIds.Any(s => s == x.BudgetCategoryId))
.Sum(x => x.Amount.Amount + x.SubTransactions.Sum(s => s.Amount.Amount));
var storedBalance = await _writeDb.BudgetBalances.FirstOrDefaultAsync(x => x.BudgetId == budgetId, cancellationToken);
if (storedBalance == null)
{
storedBalance = BudgetBalance.Create(budgetId);
_writeDb.BudgetBalances.Add(storedBalance);
}
var totalBalance = new MoneyAmount(currency.CurrencyCode, incomeSum - spendingSum - savingSum);
var incomeTotal = new MoneyAmount(currency.CurrencyCode, incomeSum);
var spendingTotal = new MoneyAmount(currency.CurrencyCode, spendingSum);
var savingTotal = new MoneyAmount(currency.CurrencyCode, savingSum);
var categoriesBudgetedLeftoverTotal = 0m;
var budgetCategoryIds = _writeDb.BudgetCategories
.Where(x => x.BudgetId == budgetId && x.BudgetCategoryType == eBudgetCategoryType.Spending)
.Select(x => x.BudgetCategoryId)
.ToList();
foreach (var budgetCategoryId in budgetCategoryIds)
{
categoriesBudgetedLeftoverTotal += Math.Max(0, (await GetCategoryBalance(budgetCategoryId, null, null, cancellationToken)).Amount);
}
var unassignedFunds = new MoneyAmount(currency.CurrencyCode, totalBalance.Amount - categoriesBudgetedLeftoverTotal);
storedBalance.Update(totalBalance, unassignedFunds, spendingTotal, incomeTotal, savingTotal);
await _writeDb.SaveChangesAsync(cancellationToken);
}
public override int GetHashCode()
{
return(BudgetId.GetHashCode());
}
/// <summary>
/// Creates a new account
/// </summary>
/// <param name="id">Account id</param>
/// <param name="name">Account name</param>
/// <param name="budgetId">Budget this account belongs to</param>
/// <param name="unitOfWork">Current unit of work</param>
/// <returns>A new account</returns>
public static Account Create(AccountId id, string name, BudgetId budgetId, IUnitOfWork unitOfWork)
{
return(new Account(id, name, budgetId, unitOfWork));
}
/// <summary>
/// Initialises a new instance of the <see cref="AddBudgetCommand" /> class.
/// </summary>
/// <param name="id">Unique Id of the budget</param>
/// <param name="name">Name of the budget</param>
/// <param name="currencyCode">Currency code (e.g. EUR)</param>
public AddBudgetCommand(BudgetId id, string name, string currencyCode)
{
this.Id = id;
this.Name = name;
this.CurrencyCode = currencyCode;
}
public Budget GetBudgetById(BudgetId budgetId)
{
return(_budgets[budgetId.ToString()]);
}
/// <summary>Initialises a new instance of the <see cref="AddAccountCommand" /> class.</summary>
/// <param name="id">Account id</param>
/// <param name="name">Account name</param>
/// <param name="budget">Budget the account belongs to</param>
public AddAccountCommand(AccountId id, string name, BudgetId budget)
{
this.Id = id;
this.Name = name;
this.Budget = budget;
}
/// <summary>
/// Initialises a new instance of the <see cref="AddedAccount"/> class.
/// </summary>
/// <param name="name">Account name</param>
/// <param name="budgetId">Budget the account belongs to</param>
public AddedAccount(string name, BudgetId budgetId)
{
this.Name = name;
this.Budget = budgetId;
}
/// <summary>
/// Creates a new budget
/// </summary>
/// <param name="id">Budget id</param>
/// <param name="name">Budget name</param>
/// <param name="currencyCode">Currency code</param>
/// <param name="unitOfWork">Current unit of work</param>
/// <returns>A new budget</returns>
public static Budget Create(BudgetId id, string name, string currencyCode, IUnitOfWork unitOfWork)
{
return(new Budget(id, name, currencyCode, unitOfWork));
}
/// <summary>
/// Load budget from (event) history
/// </summary>
/// <param name="id">Budget id</param>
/// <param name="unitOfWork">Current unit of work</param>
/// <returns>An existing account, loaded from the event history</returns>
public static Budget Load(BudgetId id, IUnitOfWork unitOfWork)
{
return(new Budget(id, unitOfWork));
}