raex_back/src/main/java/com/izouma/nineth/service/PurchaseLevelService.java

package com.izouma.nineth.service;

import com.izouma.nineth.domain.PurchaseLevel;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.dto.PageWrapper;
import com.izouma.nineth.repo.PurchaseLevelRepo;
import com.izouma.nineth.utils.JpaUtils;
import lombok.AllArgsConstructor;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Service;

@Service
@AllArgsConstructor
public class PurchaseLevelService {

    private PurchaseLevelRepo purchaseLevelRepo;

    @Cacheable(value = "purchaseLevelList", key = "#pageQuery.hashCode()")
    public PageWrapper<PurchaseLevel> all(PageQuery pageQuery) {
        Page<PurchaseLevel> page = purchaseLevelRepo.findAll(JpaUtils.toSpecification(pageQuery, PurchaseLevel.class), JpaUtils.toPageRequest(pageQuery));
        return new PageWrapper<>(page.getContent(), page.getPageable().getPageNumber(),
                page.getPageable().getPageSize(), page.getTotalElements());
    }

    public PurchaseLevel findPurchaseLevelByLevel(int level) {
        int maxStartLevel = purchaseLevelRepo.findMaxStartLevel();
        PurchaseLevel purchaseLevel;
        if (level >= maxStartLevel) {
            purchaseLevel = purchaseLevelRepo.findByStartLevel(maxStartLevel);
        } else {
            purchaseLevel = purchaseLevelRepo.findByLevel(level);
        }
        return purchaseLevel;
    }

}