66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
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package ru.soune.nocopy.service.statistic;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import ru.soune.nocopy.dto.statistic.TokenStatisticResponse;
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import ru.soune.nocopy.repository.PaymentRepository;
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import ru.soune.nocopy.repository.TokenOperationRepository;
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import ru.soune.nocopy.util.PercentileCalculator;
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import java.util.List;
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import java.util.stream.Collectors;
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@Service
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@RequiredArgsConstructor
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@Slf4j
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public class TokenStatisticService {
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private final PaymentRepository paymentRepository;
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private final TokenOperationRepository tokenOperationRepository;
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private static final int PERCENTILE_5 = 5;
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private static final int PERCENTILE_50 = 50;
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private static final int PERCENTILE_95 = 95;
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public TokenStatisticResponse getTokenStatistics() {
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Long totalBought = paymentRepository.getTotalTokensBought();
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Long totalSpent = tokenOperationRepository.getTotalTokensSpent();
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List<Object[]> boughtData = paymentRepository.getTokensBoughtPerUser();
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List<Long> boughtValues = extractTokenValues(boughtData);
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List<Object[]> spentData = tokenOperationRepository.getTokensSpentPerUser();
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List<Long> spentValues = extractTokenValues(spentData);
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PercentileCalculator.PercentilesResult boughtPercentiles =
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PercentileCalculator.calculatePercentiles(boughtValues, PERCENTILE_5, PERCENTILE_50, PERCENTILE_95);
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PercentileCalculator.PercentilesResult spentPercentiles =
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PercentileCalculator.calculatePercentiles(spentValues, PERCENTILE_5, PERCENTILE_50, PERCENTILE_95);
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return TokenStatisticResponse.builder()
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.totalBought(totalBought != null ? totalBought : 0L)
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.totalSpent(totalSpent != null ? totalSpent : 0L)
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.boughtPerUser(new TokenStatisticResponse.Percentiles(
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boughtPercentiles.getP5(),
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boughtPercentiles.getP50(),
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boughtPercentiles.getP95()
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))
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.spentPerUser(new TokenStatisticResponse.Percentiles(
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spentPercentiles.getP5(),
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spentPercentiles.getP50(),
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spentPercentiles.getP95()
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))
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.build();
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}
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private List<Long> extractTokenValues(List<Object[]> data) {
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return data.stream()
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.map(row -> row[1] != null ? ((Number) row[1]).longValue() : 0L)
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.filter(value -> value > 0)
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.collect(Collectors.toList());
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}
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}
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