public Map<LocalDate, BigDecimal> getIncomePerDay(
LocalDate dateFrom, LocalDate dateTo, List<Account> accounts, List<Category> categories) {
Map<LocalDate, BigDecimal> income = new TreeMap<>(Collections.reverseOrder());
List<ExternalTransaction> transactions =
getTransactions(dateFrom, dateTo, accounts, categories);
for (LocalDate iterDate = dateTo;
iterDate.isAfter(dateFrom.minusDays(1));
iterDate = iterDate.minusDays(1)) {
List<ExternalTransaction> transactionList = new LinkedList<>();
for (ExternalTransaction transaction : transactions) {
if ((compareDates(transaction.dateProperty().get(), iterDate.minusDays(1)) == 1)
&& (compareDates(transaction.dateProperty().get(), iterDate.plusDays(1)) == -1)) {
transactionList.add(transaction);
}
}
BigDecimal value =
transactionList
.stream()
.filter(a -> a.deltaProperty().get().compareTo(BigDecimal.ZERO) == 1)
.map(a -> a.deltaProperty().get().abs())
.reduce(BigDecimal.ZERO, BigDecimal::add);
if (value.compareTo(BigDecimal.ZERO) > 0) income.put(iterDate, value);
}
return income;
}
