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));
}
