KM-Server-Milestone2/src/main/java/com/redxun/knowledge/analysis/service/AnalysisAlbumServiceImpl.java

package com.redxun.knowledge.analysis.service;


import com.redxun.knowledge.analysis.entity.vo.AlbumCategoryVo;
import com.redxun.knowledge.analysis.entity.vo.AlbumDetailVisitsVo;
import com.redxun.knowledge.analysis.mapper.AnalysisAlbumMapper;
import com.redxun.knowledge.analysis.mapper.PvLogMapper;
import com.redxun.knowledge.utils.DateUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 文件名: AnalysisAlbumServiceImpl
 * 作者: zizg
 * 时间: 2023/3/21
 * 描述:
 * 修改人:
 * 修改时间:
 * 修改内容:
 */
@Service
@Slf4j
public class AnalysisAlbumServiceImpl {

    @Autowired
    private PvLogMapper pvLogMapper;

    @Autowired
    private AnalysisAlbumMapper analysisAlbumMapper;

    /**
     * 专辑创建总量
     * @param type
     * @return
     */
    public Map<String, Object> albumAmount(String type) {
        return null;
    }

    /**
     * 专辑详情Top访问量（pv）统计
     * @param type
     * @return
     */
    public List<AlbumDetailVisitsVo> albumDetailVisits(String type, Integer tops) {
        List<AlbumDetailVisitsVo> result = new ArrayList<>();
        Calendar calendar = Calendar.getInstance();
        int year = calendar.get(Calendar.YEAR);
        if (("total").equals(type)){
             result = pvLogMapper.albumDetailVisits(null,null);
        } else if ("year".equals(type)){
             result = pvLogMapper.albumDetailVisits(DateUtils.format(DateUtils.getFirstOfYear(year)),
                     DateUtils.format(DateUtils.getLastOfYear(year)));
        } else if ("month".equals(type)){
            int month = calendar.get(Calendar.MONTH);
            String firstOfMonth = DateUtils.getFirstOfMonth(year, month + 1, 15);
            String lastOfMonth = DateUtils.getLastOfMonth(year, month + 1, 15);
            result = pvLogMapper.albumDetailVisits(firstOfMonth,lastOfMonth);
        }
        //取tops10
        result = result.stream().limit(tops).collect(Collectors.toList());
        int countSum = result.stream().mapToInt(AlbumDetailVisitsVo::getValue).sum();
        //计算百分比
        if (countSum != 0){
            result.forEach(e -> {
                BigDecimal countbg = BigDecimal.valueOf(e.getValue() / (double) countSum);
                e.setPercentage(countbg.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue());
            });
        }
        return result;
    }


    /**
     * 各一级分类专辑创建数量
     * @param type
     * @param sort
     * @return
     */
    public List<AlbumCategoryVo> level1AlbumHistogram(String type, String sort) {
        //获取全部一级分类id
        List<String> albumCategoryIdList = analysisAlbumMapper.selectCategory();

        return null;
    }
}