mirror of https://github.com/bvn13/covid19-ru.git
88 lines
3.0 KiB
Java
88 lines
3.0 KiB
Java
/*
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Copyright [2020] [bvn13]
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package com.bvn13.covid19.site.service;
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import com.bvn13.covid19.model.entities.CovidStat;
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import com.bvn13.covid19.model.entities.CovidUpdate;
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import com.bvn13.covid19.model.entities.Region;
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import com.bvn13.covid19.site.repositories.CovidStatsRepository;
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import com.bvn13.covid19.site.repositories.CovidUpdatesRepository;
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import com.bvn13.covid19.site.repositories.RegionsRepository;
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import lombok.RequiredArgsConstructor;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.stereotype.Component;
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import javax.transaction.Transactional;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Optional;
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import java.util.stream.Collectors;
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@RequiredArgsConstructor
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@Component
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public class CovidStatsMaker {
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private final CovidStatsRepository statsRepository;
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private final CovidUpdatesRepository updatesRepository;
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private final RegionsRepository regionsRepository;
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@Transactional
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public Collection<CovidStat> getLastCovidStats() {
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return updatesRepository.findLastUpdate()
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.flatMap(updateInfo -> updatesRepository.findFirstByCreatedOn(updateInfo.getCreatedOn()))
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.map(statsRepository::findAllByUpdateInfo)
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.orElse(Collections.emptyList());
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}
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@Cacheable(
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cacheNames = "covid-last-update",
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unless = "#result == null"
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)
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@Transactional
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public Optional<CovidUpdate> findLastUpdate() {
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return updatesRepository.findLastUpdate()
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.flatMap(updateInfo -> updatesRepository.findFirstByCreatedOn(updateInfo.getCreatedOn()));
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}
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@Cacheable(
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cacheNames = "covid-stats-by-update-info-id",
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condition = "#updateInfoId > 0",
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unless = "#result == null || #result.size() <= 0"
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)
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public Collection<CovidStat> findCovidStatsByUpdateInfoId(long updateInfoId) {
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return statsRepository.findAllByUpdateInfo_Id(updateInfoId);
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}
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@Cacheable(
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cacheNames = "covid-all-days-updates",
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unless = "#result == null || #result.size() <= 0"
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)
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public Collection<CovidUpdate> findAllLastUpdatesPerDay() {
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return updatesRepository.findAllLastUpdatesPerDay();
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}
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@Cacheable(
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cacheNames = "covid-regions",
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unless = "#result == null || #result.size() <= 0"
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)
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public List<String> findAllRegionsNames() {
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return regionsRepository.findAll().stream().map(Region::getName).collect(Collectors.toList());
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}
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}
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