The exchangerateforecast from sergeysorok

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Это че за говно?

ExchangeRateForecast/src/main/java/ru/liga/algorithm/ActualAlgorithm.java

Lines 11 to 40 in ae5ba32

    
           public class ActualAlgorithm implements Algorithm { 
        
               @Override 
        
               public List<MyCurrency> calculate(List<MyCurrency> currencies, LocalDate date) { 
        
                   LocalDate currentKnownDateFromFile = currencies.get(AlgorithmConstants.FIRST_LINE_NOMINAL) 
        
                           .getDate().plusDays(AlgorithmConstants.ONE_DAY); 
        
                   do { 
        
                       if (currentKnownDateFromFile.plusYears(AlgorithmConstants.LATEST_FORECAST_DATE).isBefore(date)) { 
        
                           throw new CommandLineException(ERROR_DATE_MESSAGE); 
        
                       } 
        
                       MyCurrency nextCurrency = new MyCurrency(); 
        
                       nextCurrency.setNominalValue(currencies.get(AlgorithmConstants.FIRST_LINE_NOMINAL).getNominalValue()); 
        
                       nextCurrency.setDate(currentKnownDateFromFile); 
        
                       LocalDate finalPivot = currentKnownDateFromFile; 
        
                       MyCurrency currencyAsOfDateMinusTwoYears = currencies.stream() 
        
                               .dropWhile(x -> x.getDate().isAfter(finalPivot.minusYears(AlgorithmConstants.DATE_FOR_FORECAST_2_YEARS))) 
        
                               .findFirst() 
        
                               .orElseThrow(); 
        
                       MyCurrency currencyAsOfDateMinusThreeYears = currencies.stream() 
        
                               .dropWhile(x -> x.getDate().isAfter(finalPivot.minusYears(AlgorithmConstants.DATE_FOR_FORECAST_3_YEARS))) 
        
                               .findFirst() 
        
                               .orElseThrow(); 
        
                       nextCurrency.setRate(currencyAsOfDateMinusTwoYears.getRate() / currencyAsOfDateMinusTwoYears.getNominalValue() + currencyAsOfDateMinusThreeYears.getRate() / currencyAsOfDateMinusThreeYears.getNominalValue()); 
        
                       currencies.add(0, nextCurrency); 
        
                       currentKnownDateFromFile = currentKnownDateFromFile.plusDays(AlgorithmConstants.ONE_DAY); 
        
                   } while (!currentKnownDateFromFile.isEqual(date)); 
        
                   return currencies; 
        
               } 
        
           }

Так не делают

Do not use == 0

ExchangeRateForecast/src/main/java/ru/liga/algorithm/MysticAlgorithm.java

Line 25 in ae5ba32

if (doubleRate == 0) {

Do not use == 0

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	public class ActualAlgorithm implements Algorithm {

	@Override
	public List<MyCurrency> calculate(List<MyCurrency> currencies, LocalDate date) {

	LocalDate currentKnownDateFromFile = currencies.get(AlgorithmConstants.FIRST_LINE_NOMINAL)
	.getDate().plusDays(AlgorithmConstants.ONE_DAY);
	do {
	if (currentKnownDateFromFile.plusYears(AlgorithmConstants.LATEST_FORECAST_DATE).isBefore(date)) {
	throw new CommandLineException(ERROR_DATE_MESSAGE);
	}
	MyCurrency nextCurrency = new MyCurrency();
	nextCurrency.setNominalValue(currencies.get(AlgorithmConstants.FIRST_LINE_NOMINAL).getNominalValue());
	nextCurrency.setDate(currentKnownDateFromFile);
	LocalDate finalPivot = currentKnownDateFromFile;
	MyCurrency currencyAsOfDateMinusTwoYears = currencies.stream()
	.dropWhile(x -> x.getDate().isAfter(finalPivot.minusYears(AlgorithmConstants.DATE_FOR_FORECAST_2_YEARS)))
	.findFirst()
	.orElseThrow();
	MyCurrency currencyAsOfDateMinusThreeYears = currencies.stream()
	.dropWhile(x -> x.getDate().isAfter(finalPivot.minusYears(AlgorithmConstants.DATE_FOR_FORECAST_3_YEARS)))
	.findFirst()
	.orElseThrow();
	nextCurrency.setRate(currencyAsOfDateMinusTwoYears.getRate() / currencyAsOfDateMinusTwoYears.getNominalValue() + currencyAsOfDateMinusThreeYears.getRate() / currencyAsOfDateMinusThreeYears.getNominalValue());
	currencies.add(0, nextCurrency);
	currentKnownDateFromFile = currentKnownDateFromFile.plusDays(AlgorithmConstants.ONE_DAY);
	} while (!currentKnownDateFromFile.isEqual(date));
	return currencies;
	}
	}

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