mirror of https://github.com/bvn13/covid19-ru.git
51 lines
1.8 KiB
Java
51 lines
1.8 KiB
Java
package com.bvn13.covid19.api.service;
|
|
|
|
import com.bvn13.covid19.api.repositories.CovidStatsRepository;
|
|
import com.bvn13.covid19.api.repositories.CovidUpdateInfosRepository;
|
|
import com.bvn13.covid19.model.entities.CovidStat;
|
|
import com.bvn13.covid19.model.entities.CovidUpdateInfo;
|
|
import lombok.RequiredArgsConstructor;
|
|
import org.springframework.cache.annotation.Cacheable;
|
|
import org.springframework.stereotype.Component;
|
|
|
|
import javax.transaction.Transactional;
|
|
import java.util.Collection;
|
|
import java.util.Collections;
|
|
import java.util.Optional;
|
|
|
|
@RequiredArgsConstructor
|
|
@Component
|
|
public class CovidStatsMaker {
|
|
|
|
private final CovidStatsRepository covidRepository;
|
|
private final CovidUpdateInfosRepository updatesRepository;
|
|
|
|
@Transactional
|
|
public Collection<CovidStat> getLastCovidStats() {
|
|
return updatesRepository.findLastUpdateInfo()
|
|
.flatMap(updateInfo -> updatesRepository.findFirstByCreatedOn(updateInfo.getCreatedOn()))
|
|
.map(covidRepository::findAllByUpdateInfo)
|
|
.orElse(Collections.emptyList());
|
|
}
|
|
|
|
@Cacheable(
|
|
cacheNames = "covid-last-update-info",
|
|
unless = "#result == null"
|
|
)
|
|
@Transactional
|
|
public Optional<CovidUpdateInfo> findLastUpdateInfo() {
|
|
return updatesRepository.findLastUpdateInfo()
|
|
.flatMap(updateInfo -> updatesRepository.findFirstByCreatedOn(updateInfo.getCreatedOn()));
|
|
}
|
|
|
|
@Cacheable(
|
|
cacheNames = "covid-stats-by-update-info-id",
|
|
condition = "#updateInfoId > 0",
|
|
unless = "#result == null || #result.size() <= 0"
|
|
)
|
|
public Collection<CovidStat> findCovidStatsByUpdateInfoId(long updateInfoId) {
|
|
return covidRepository.findAllByUpdateInfo_Id(updateInfoId);
|
|
}
|
|
|
|
}
|