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+package com.tzld.longarticle.recommend.server.service.recommend.rank.strategy;
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+
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+import com.tzld.longarticle.recommend.server.common.enums.recommend.RankStrategyEnum;
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+import com.tzld.longarticle.recommend.server.common.enums.recommend.ScoreStrategyEnum;
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+import com.tzld.longarticle.recommend.server.model.dto.Content;
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+import com.tzld.longarticle.recommend.server.repository.crawler.ArticleRepository;
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+import com.tzld.longarticle.recommend.server.service.recommend.config.AccountContentPoolConfigService;
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+import com.tzld.longarticle.recommend.server.service.recommend.config.StrategyIndexScoreWeightService;
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+import com.tzld.longarticle.recommend.server.service.recommend.rank.*;
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+import com.tzld.longarticle.recommend.server.service.recommend.score.AccountIndexReplacePoolConfig;
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+import com.tzld.longarticle.recommend.server.service.recommend.score.ScoreResult;
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+import com.tzld.longarticle.recommend.server.service.recommend.score.ScoreService;
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+import com.tzld.longarticle.recommend.server.util.CommonCollectionUtils;
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+import lombok.extern.slf4j.Slf4j;
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+import org.apache.commons.collections4.CollectionUtils;
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+import org.apache.commons.lang3.RandomUtils;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.stereotype.Service;
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+
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+import java.util.*;
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+
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+@Service
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+@Slf4j
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+public class HisJumpRankStrategy implements RankStrategy {
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+
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+ @Autowired
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+ private ScoreService scoreService;
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+ @Autowired
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+ private AccountContentPoolConfigService accountContentPoolConfigService;
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+ @Autowired
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+ private ArticleRepository articleRepository;
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+ @Autowired
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+ private StrategyIndexScoreWeightService weightService;
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+
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+ public RankResult rank(RankParam param) {
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+ List<Content> result = new ArrayList<>();
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+
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+ ScoreResult scoreResult = scoreService.score(RankStrategy.convertToScoreParam(param));
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+
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+ Map<String, Map<String, Double>> scoreMap = scoreResult.getScoreMap();
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+ String[] contentPools = accountContentPoolConfigService.getContentPools(param.getAccountName());
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+ Map<Integer, AccountIndexReplacePoolConfig> indexReplacePoolConfigMap = accountContentPoolConfigService.getContentReplacePools(param.getAccountName());
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+
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+ List<RankItem> items = CommonCollectionUtils.toList(param.getContents(), c -> {
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+ RankItem item = new RankItem();
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+ item.setContent(c);
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+ c.setScoreMap(scoreMap.get(c.getId()));
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+ item.setScoreMap(scoreMap.get(c.getId()));
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+ double score;
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+ int index = weightService.getIndex(item.getContent().getContentPoolType(), contentPools);
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+ if (contentPools[0].equals(item.getContent().getContentPoolType())
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+ || contentPools[1].equals(item.getContent().getContentPoolType())) {
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+ score = item.getScore(ScoreStrategyEnum.FLOW_CTL_DECREASE.value())
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+ + item.getScore(ScoreStrategyEnum.CRAWLER_DAYS_DECREASE_STRATEGY.value());
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+ if (item.getScore(ScoreStrategyEnum.PUBLISH_TIMES.value()) >= 0) {
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+ score += item.getScore(ScoreStrategyEnum.VIEW_COUNT_RATE.value())
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+ * weightService.getWeight(param.getStrategy(), param.getGhId(), index,
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+ ScoreStrategyEnum.VIEW_COUNT_RATE.value());
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+ }
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+ } else {
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+ score = item.getScore(ScoreStrategyEnum.ACCOUNT_PRE_DISTRIBUTE.value())
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+ + item.getScore(ScoreStrategyEnum.PUBLISH_TIMES.value())
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+ + item.getScore(ScoreStrategyEnum.CRAWLER_DAYS_DECREASE_STRATEGY.value())
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+ + item.getScore(ScoreStrategyEnum.FLOW_CTL_DECREASE.value());
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+ }
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+ c.setScore(score);
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+ item.setScore(score);
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+ return item;
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+ });
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+
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+ // 1 排序
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+ Collections.sort(items, (o1, o2) -> -Double.compare(o1.getScore(), o2.getScore()));
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+ // 2 相似去重
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+ List<Content> contents = CommonCollectionUtils.toList(items, RankItem::getContent);
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+
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+ // 3 文章按照内容池分组
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+ Map<String, List<Content>> contentMap = new HashMap<>();
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+ for (Content c : contents) {
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+ List<Content> data = contentMap.computeIfAbsent(c.getContentPoolType(), k -> new ArrayList<>());
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+ data.add(c);
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+ }
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+ // 4 选文章
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+ String[] publishPool = Arrays.copyOf(contentPools, contentPools.length);
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+
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+ // 头
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+ List<Content> pool1 = contentMap.get(contentPools[0]);
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+ RankService.printSortLog(RankStrategyEnum.HIS_JUMP_STRATEGY.getStrategy(), param.getAccountName(), pool1);
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+ if (CollectionUtils.isNotEmpty(pool1)) {
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+ int i = RandomUtils.nextInt(0, Math.min(pool1.size(), 20));
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+ result.add(pool1.get(i));
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+ } else {
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+ RankStrategy.sendFeishuFirstPoolEmpty(param, contentPools[0]);
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+ return new RankResult(result);
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+ }
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+ // 次
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+ List<Content> pool2 = contentMap.get(contentPools[1]);
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+ if (CollectionUtils.isNotEmpty(pool2)) {
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+ int i = RandomUtils.nextInt(0, Math.min(pool2.size(), 20));
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+ result.add(pool2.get(i));
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+ } else {
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+ // 替补 根据设置替补内容池查找内容尽心替补
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+ AccountIndexReplacePoolConfig replacePoolConfig = indexReplacePoolConfigMap.get(2);
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+ if (Objects.nonNull(replacePoolConfig)) {
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+ List<Content> pool2Replace = contentMap.get(replacePoolConfig.getContentPool());
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+ if (CollectionUtils.isNotEmpty(pool2Replace)) {
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+ publishPool[1] = replacePoolConfig.getContentPool();
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+ int i = RandomUtils.nextInt(0, Math.min(pool2Replace.size(), 20));
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+ result.add(pool2Replace.get(i));
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+ }
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+ }
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+ }
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+
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+ // 3-8
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+ List<Content> pool = contentMap.get(contentPools[2]);
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+ if (CollectionUtils.isNotEmpty(pool) && param.getSize() > result.size()) {
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+ result.addAll(pool.subList(0, Math.min(pool.size(), param.getSize() - result.size())));
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+ }
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+
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+ RankStrategy.deduplication(result, contentMap, publishPool);
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+
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+ return new RankResult(result);
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+ }
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+
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+}
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xueyiming