public void SetSource(ITransactionFilteredSource filteredSource)
{
_filteredSource = filteredSource;
Account = filteredSource.Account;
Category = filteredSource.Category;
IncludeSubCategories = filteredSource.IncludeSubCategories;
StartDate = filteredSource.DataStart;
EndDate = filteredSource.DataEnd;
}
public CategoryTransactionsReportViewModel(IAccountStorage accountStorage, ICategoryStorage categoryStorage, ITransactionStorage transactionStorage)
{
_accountStorage = accountStorage ?? throw new ArgumentNullException(nameof(accountStorage));
_categoryStorage = categoryStorage ?? throw new ArgumentNullException(nameof(categoryStorage));;
_transactionStorage = transactionStorage ?? throw new ArgumentNullException(nameof(transactionStorage));
_filteredSource = new TransactionFilteredSource(DateTime.Now, DateTime.Now);
Accounts = new ObservableCollection <IAccount>(_accountStorage.GetAllAccounts());
Categories = new ObservableCollection <ICategory>(_categoryStorage.MakeFlatCategoryTree());
StartDate = DateTimeOffset.Now;
EndDate = StartDate;
}
public Dictionary <CategoryAccountPair, ReportOutputValues> Execute(ITransactionFilteredSource transactionFilteredSource)
{
var sum = RetrieveDataFromStorage(transactionFilteredSource).ToArray();
var activeAccounts = sum.GroupBy(x => x.Account).Select(g => (g.Key));
var flatCategory = _categoryStorage.MakeFlatCategoryTree().ToArray();
var totalCategoryList = FillTotalCategoryList(flatCategory, activeAccounts);
CalculateSumForCategories(sum, flatCategory, totalCategoryList);
RemoveLinesWithZeroSum(totalCategoryList);
return(totalCategoryList);
}
private IEnumerable <SumByCategories> RetrieveDataFromStorage(
ITransactionFilteredSource transactionFilteredSource)
{
var allTransactions = transactionFilteredSource.GetTransactions(_transactionStorage).ToArray();//_transactionStorage.GetAllTransactions();
var totalSum = allTransactions.Sum(x => x.Total);
var sumByCategories = allTransactions.GroupBy(x => new Tuple <IAccount, ICategory>(x.Account, x.Category));
var sum = sumByCategories.Select(g => new SumByCategories
{
Account = g.Key.Item1,
Category = g.Key.Item2,
Total = g.Sum(x => x.Total),
Percentage = GetPercentage(g.Sum(x => x.Total), totalSum),
});
return(sum);
}
public IEnumerable <ITransaction> Execute(ITransactionFilteredSource transactionFilteredSource)
{
return(transactionFilteredSource.GetTransactions(_transactionStorage));
}
