private static IEnumerable <ExpenseCategoryReport> GetExpensesReport(IMoneyCalculator calculator,
IEnumerable <Category> categories,
MonthLog expenseLog)
{
return(categories.Select(category => new ExpenseCategoryReport(
category,
calculator,
expenseLog
)));
}
public ExpenseCategoryReport(Category category,
IMoneyCalculator calculator,
MonthLog expenseLog)
{
CategoryKey = category.Key;
Title = category.Title;
Description = category.Description;
Total = FinancialStats.GetTotal(calculator,
expenseLog.Transactions
.Where(n => category.IsSameOrParentOf(n.CategoryKey))
.Select(n => n.Amount),
expenseLog.Forecasts
.Where(n => category.IsSameOrParentOf(n.CategoryKey))
.Select(n => n.Amount)
);
}
public MonthlyBudgetReport(YearMonth when, IMoneyCalculator calculator,
IEnumerable <Category> categories,
MonthLog incomeLog,
MonthLog expenseLog)
{
if (incomeLog.Log != BudgetLogType.Incomes)
{
throw new ArgumentException(nameof(incomeLog));
}
if (expenseLog.Log != BudgetLogType.Expenses)
{
throw new ArgumentException(nameof(expenseLog));
}
When = when;
Income = incomeLog.Total;
Expense = expenseLog.Total;
Balance = FinancialStats.GetBalance(calculator, Income, Expense);
Expenses = GetExpensesReport(calculator, categories, expenseLog);
}
