1.add cache for search category and journal filter

luoo_music/src/main/java/com/luoo/music/controller/JournalController.java

@@ -1,10 +1,8 @@
 package com.luoo.music.controller;
 
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
@@ -29,8 +27,6 @@ import org.springframework.web.bind.annotation.*;
 import com.luoo.music.pojo.Journal;
 import com.luoo.music.pojo.Tag;
 import com.luoo.music.service.JournalService;
-import com.luoo.music.service.SongInfoService;
-import com.luoo.music.service.TagService;
 import com.luoo.music.service.UserCollectInfoService;
 import annotation.GlobalInterceptor;
 import annotation.VerifyParam;
@@ -41,7 +37,6 @@ import constants.Constants;
 import dto.UserLoginDto;
 import enums.CollectTypeEnum;
 import util.JwtUtil;
-import util.StringTools;
 
 /**
  * 控制器层
@@ -63,9 +58,6 @@ public class JournalController {
 	@Autowired
 	private SongController songController;
 	
-	@Autowired
-	private TagService tagService;
-	
 	@Autowired
 	private JwtUtil jwtUtil;
 
@@ -78,9 +70,6 @@ public class JournalController {
 	@Autowired
 	private RedisTemplate redisTemplate;
 	
-	private static final int JOURNAL_FILTER_NUMBER_RANGE=100;
-	private static final Map<String,JournalRespDTO> journalRespDTOMap=new HashMap<>();
-	
 	@ApiOperation(value = "1.查询期刊信息", notes = "若authorization为空或authorization校验失败，默认返回最新的10期，期刊筛选条件对游客不可用")
 	@GetMapping("/list")
 	@GlobalInterceptor
@@ -230,12 +219,7 @@ public class JournalController {
 	@GlobalInterceptor(checkAppUserLogin = true)
 	public Result<JournalFilterDTO> getFilterList(
 			@RequestHeader(value = "Authorization", required = false) String authorization) {
-		JournalFilterDTO journalFilterDTO=new JournalFilterDTO();
+		return Result.success(journalService.getJournalFilterDTO());
-		journalFilterDTO.setJournalNoList(journalService.getJournalNoList(JOURNAL_FILTER_NUMBER_RANGE));
-		
-		journalFilterDTO.setLanguageList(tagService.getLanguageList().stream().map(this::getTagDTO).collect(Collectors.toList()));
-		journalFilterDTO.setStyleList(tagService.getStyleList().stream().map(this::getTagDTO).collect(Collectors.toList()));
-		return Result.success(journalFilterDTO);
 	}
 	
 	@ApiOperation(value = "5.根据当前期刊的标签推荐6期类似期刊")
@@ -259,12 +243,7 @@ public class JournalController {
 		return Result.success(list);
 	}
 	
-	private TagDTO getTagDTO(Tag tag) {
+	
-		TagDTO tagDTO=new TagDTO();
-		tagDTO.setName(tag.getNameCh());
-		tagDTO.setId(tag.getId());
-		return tagDTO;
-	}
 	@ApiOperation(value = "统计期刊的浏览数", notes = "APP端打开期刊调用一次统计接口")
 	@RequestMapping(value="/stat/visits/{id}", method= RequestMethod.PUT)
 	public Result statVisitsCount(@ApiParam(value = "期刊ID", required = true) @PathVariable String id) {

luoo_music/src/main/java/com/luoo/music/controller/SearchController.java

@@ -14,13 +14,11 @@ import com.luoo.music.dto.response.SongRespDTO;
 
 import io.swagger.annotations.*;
 
-import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.web.bind.annotation.*;
 import com.luoo.music.pojo.Journal;
 import com.luoo.music.pojo.JournalSong;
-import com.luoo.music.pojo.Tag;
 import com.luoo.music.service.JournalService;
 import com.luoo.music.service.JournalSongService;
 import com.luoo.music.service.SearchService;
@@ -29,7 +27,6 @@ import annotation.GlobalInterceptor;
 import annotation.VerifyParam;
 import api.PageResult;
 import api.Result;
-import constants.Constants;
 
 /**
  * 控制器层
@@ -59,10 +56,7 @@ public class SearchController {
 	@GetMapping("/category")
 	@GlobalInterceptor
 	public Result<List<SearchCategoryDTO>> getCategory() {
-		List<Tag> tags = tagService.getCategoryTags();
+		return Result.success(tagService.getCategoryDTO());
-		List<SearchCategoryDTO> searchCategoryDTOs = tags.stream().map(this::getSearchCategoryDTO)
-				.collect(Collectors.toList());
-		return Result.success(searchCategoryDTOs);
 	}
 
 	@ApiOperation(value = "2.1 搜索歌曲", notes = "根据关键词模糊搜索歌曲")
@@ -113,12 +107,4 @@ public class SearchController {
 	private int getLimit(Integer limit) {
 		return null == limit || 0 == limit ? DEFAULT_AUTO_COMPLETE_LIMIT : limit;
 	}
-
-	private SearchCategoryDTO getSearchCategoryDTO(Tag tag) {
-		SearchCategoryDTO searchCategoryDTO = new SearchCategoryDTO();
-		BeanUtils.copyProperties(tag, searchCategoryDTO);
-		searchCategoryDTO.setImage(Constants.TAG_RESOURCE_PREFIX + tag.getImage());
-		searchCategoryDTO.setThumbnail(Constants.TAG_RESOURCE_PREFIX + tag.getThumbnail());
-		return searchCategoryDTO;
-	}
 }

luoo_music/src/main/java/com/luoo/music/dto/response/JournalFilterDTO.java

@@ -1,12 +1,14 @@
 package com.luoo.music.dto.response;
 
+import java.io.Serializable;
 import java.util.List;
 
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
 @Data
-public class JournalFilterDTO {
+public class JournalFilterDTO implements Serializable {
+	private static final long serialVersionUID = 1L;
 	@ApiModelProperty(value = "风格筛选条件")
 	private List<TagDTO> styleList;
 	@ApiModelProperty(value = "语言筛选条件")

luoo_music/src/main/java/com/luoo/music/dto/response/SearchCategoryDTO.java

@@ -1,10 +1,13 @@
 package com.luoo.music.dto.response;
 
+import java.io.Serializable;
+
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
 @Data
-public class SearchCategoryDTO {
+public class SearchCategoryDTO implements Serializable {
+	private static final long serialVersionUID = 1L;
 	@ApiModelProperty(value = "ID")
 	private String id;
 	@ApiModelProperty(value = "中文名")

luoo_music/src/main/java/com/luoo/music/dto/response/TagDTO.java

@@ -1,10 +1,13 @@
 package com.luoo.music.dto.response;
 
+import java.io.Serializable;
+
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
 @Data
-public class TagDTO {
+public class TagDTO implements Serializable {
+	private static final long serialVersionUID = 1L;
 	@ApiModelProperty(value = "ID")
 	private String id;
 	@ApiModelProperty(value = "中文名")

luoo_music/src/main/java/com/luoo/music/service/JournalService.java

@@ -41,8 +41,12 @@ import com.luoo.music.dao.JournalTagDao;
 import com.luoo.music.dao.TagDao;
 import com.luoo.music.dto.mapper.JournalMapper;
 import com.luoo.music.dto.request.JournalQueryReq;
+import com.luoo.music.dto.response.JournalFilterDTO;
 import com.luoo.music.dto.response.JournalRespDTO;
+import com.luoo.music.dto.response.SearchCategoryDTO;
+import com.luoo.music.dto.response.TagDTO;
 import com.luoo.music.pojo.Journal;
+import com.luoo.music.pojo.Tag;
 
 /**
  * 服务层
@@ -53,6 +57,7 @@ import com.luoo.music.pojo.Journal;
 @Service
 public class JournalService {
 	private static final Pattern NUMBER_PATTERN = Pattern.compile("[0-9]*");
+	private static final int JOURNAL_FILTER_NUMBER_RANGE=100;
 	@Autowired
     private JournalDao journalDao;
 	
@@ -73,13 +78,9 @@ public class JournalService {
 	@Autowired
 	private CommentDao commentDao;
 	
-	private Map<Integer,List<String>> JOURNAL_RANGE_MAP=new HashMap<>();
+	@Autowired
-	/*
+	private TagService tagService;
-	 * public void updateState(String id) { journalDao.updateState(id); }
+	
-	 * 
-	 * 
-	 * public void addThumbup(String id){ journalDao.addThumbup(id); }
-	 */
 	/**
 	 * 查询全部列表
 	 * @return
@@ -270,10 +271,6 @@ public class JournalService {
 	public List<String> getJournalNoList(int journalFilterNumberRange) {
 		//获取最大的期刊号
 		int maxJournalNo=journalDao.getMaxJournalNo();
-		if(JOURNAL_RANGE_MAP.containsKey(maxJournalNo)) {
-			return JOURNAL_RANGE_MAP.get(maxJournalNo);
-		}
-		JOURNAL_RANGE_MAP.clear();
 		List<String> journalNoList=new ArrayList<>();
 		int i=1;
 		int start=1;
@@ -292,7 +289,6 @@ public class JournalService {
 			i++;
 		}
 		Collections.reverse(journalNoList);
-		JOURNAL_RANGE_MAP.put(maxJournalNo, journalNoList);
 		return journalNoList;
 	}
 
@@ -402,4 +398,23 @@ public class JournalService {
 		}
 		return JournalMapper.getJournalRespDTO(journal,mongoTemplate,redisTemplate,commentDao);
 	}
+
+	public JournalFilterDTO getJournalFilterDTO() {
+		return (JournalFilterDTO) this.cacheChannel.get("default", "journal_filter", key -> getJournalFilter(), false).getValue();
+	}
+
+	private JournalFilterDTO getJournalFilter() {
+		JournalFilterDTO journalFilterDTO=new JournalFilterDTO();
+		journalFilterDTO.setJournalNoList(getJournalNoList(JOURNAL_FILTER_NUMBER_RANGE));
+		journalFilterDTO.setLanguageList(tagService.getLanguageList().stream().map(this::getTagDTO).collect(Collectors.toList()));
+		journalFilterDTO.setStyleList(tagService.getStyleList().stream().map(this::getTagDTO).collect(Collectors.toList()));
+		return journalFilterDTO;
+	}
+	
+	private TagDTO getTagDTO(Tag tag) {
+		TagDTO tagDTO=new TagDTO();
+		tagDTO.setName(tag.getNameCh());
+		tagDTO.setId(tag.getId());
+		return tagDTO;
+	}
 }

luoo_music/src/main/java/com/luoo/music/service/TagService.java

@@ -1,20 +1,28 @@
 package com.luoo.music.service;
 
-import java.util.Collections;
 import java.util.List;
-import java.util.Map;
 import java.util.stream.Collectors;
 
+import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
 import com.luoo.music.dao.TagDao;
+import com.luoo.music.dto.response.JournalRespDTO;
+import com.luoo.music.dto.response.SearchCategoryDTO;
+import com.luoo.music.dto.response.TagDTO;
 import com.luoo.music.pojo.Tag;
 
+import api.Result;
+import constants.Constants;
+import net.oschina.j2cache.CacheChannel;
+
 @Service
 public class TagService {
 	@Autowired
 	private TagDao tagDao;
+	@Autowired
+	private CacheChannel cacheChannel;
 
 	public List<Tag> getLanguageList() {
 		return tagDao.getLanguageList();
@@ -28,19 +36,26 @@ public class TagService {
 		return tagDao.getCategoryTags();
 	}
 
-	public Map<String, List<String>> getTagMap(List<String> journalIds) {
+	public List<String> getTagNameChByJournalId(String journalId) {
-
+		return tagDao.getTagNameChByJournalId(journalId);
-		if (journalIds.isEmpty()) {
-			return Collections.emptyMap();
 	}
-		List<Object[]> pairs = tagDao.getJounralId2TagPairs(journalIds);
-		return pairs.stream().collect(Collectors.groupingBy(s -> s[0].toString(),
-				Collectors.mapping(s -> s[1].toString(), Collectors.toList())));
 
+	@SuppressWarnings("unchecked")
+	public List<SearchCategoryDTO> getCategoryDTO() {
+		return (List<SearchCategoryDTO>) this.cacheChannel.get("default", "search_category", key -> getSearchCategoryDTO(), false).getValue();
 	}
 
-	public List<String> getTagNameChByJournalId(String journalId) {
+	private List<SearchCategoryDTO> getSearchCategoryDTO() {
-		return tagDao.getTagNameChByJournalId(journalId);
+		List<Tag> tags = getCategoryTags();
+		return tags.stream().map(this::getSearchCategoryDTO)
+				.collect(Collectors.toList());
 	}
 	
+	private SearchCategoryDTO getSearchCategoryDTO(Tag tag) {
+		SearchCategoryDTO searchCategoryDTO = new SearchCategoryDTO();
+		BeanUtils.copyProperties(tag, searchCategoryDTO);
+		searchCategoryDTO.setImage(Constants.TAG_RESOURCE_PREFIX + tag.getImage());
+		searchCategoryDTO.setThumbnail(Constants.TAG_RESOURCE_PREFIX + tag.getThumbnail());
+		return searchCategoryDTO;
+	}
 }