1.recomend by limit

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

@@ -84,27 +84,6 @@ public class JournalController {
 		return Result.success(new PageResult<JournalRespDTO>(Long.valueOf(pageList.size()), pageList));
 	}
 
-	private JournalRespDTO randomCDN1(JournalRespDTO journalRespDTO) {
-//		Random random = new Random();
-//		int randomNum = random.nextInt(2)+1;
-
-		Random random = new Random();
-		int rate = random.nextInt(100);
-//		int randomNum = random.nextInt(2)+1;
-		int randomNum =1;
-		if  (rate>20) {
-			randomNum =2;
-		}
-		if (StringUtils.isNotEmpty(journalRespDTO.getImage())){
-			journalRespDTO.setImage(journalRespDTO.getImage().replaceFirst("cdn1","cdn"+randomNum));
-			journalRespDTO.setImage(journalRespDTO.getImage().replaceFirst("cdn2","cdn"+randomNum));
-		}
-
-		return journalRespDTO;
-	}
-
-
-	
 	private void updateCollectStatus(List<JournalRespDTO> pageList, Set<String> journalCollectSet) {
 		pageList.forEach(j->{
 			j.setHaveCollect(journalCollectSet.contains(j.getId()));
@@ -272,18 +251,20 @@ public class JournalController {
 		return Result.success(journalService.getJournalFilterDTO());
 	}
 	
-	@ApiOperation(value = "5.根据当前期刊的标签推荐6期类似期刊")
-	@GetMapping("/recommend/{id}")
+	@ApiOperation(value = "5.根据当前期刊的标签推荐类似期刊，默认6期")
+	@GetMapping(value={"/recommend/{id}","/recommend/{id}/{limit}"})
 	@GlobalInterceptor
 	public Result<List<JournalRespDTO>> recommendById(
 			@RequestHeader(value = "Authorization", required = false) String authorization,
-			@PathVariable @VerifyParam(required = true) String id) {
+			@PathVariable @VerifyParam(required = true) String id,@PathVariable(required=false) Integer limit) {
 		UserLoginDto user = jwtUtil.getUserLoginDto(authorization);
 		if (null == user && !journalService.isLatest10ByJournalId(id)) {
 			return Result.unauthorized(null);
 		}
-		
-		List<Journal> journals = journalService.recommendById(id);
+		if(null == limit) {
+			limit = 6;
+		}
+		List<Journal> journals = journalService.recommendById(id,limit);
 		List<String> ids=journals.stream().map(Journal::getId).collect(Collectors.toList());
 		Set<String> journalCollectSet = null == user ? Collections.emptySet()
 				: userCollectInfoService.getCollectSet(user.getUserId(),ids, CollectTypeEnum.JOURNAL);
@@ -295,14 +276,14 @@ public class JournalController {
 	
 	
 	@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)
+	@PutMapping("/stat/visits/{id}")
 	public Result statVisitsCount(@ApiParam(value = "期刊ID", required = true) @PathVariable String id) {
 		return journalService.statVisitsCount(id);
 	}
 
 	@GlobalInterceptor(checkAppUserLogin = true)
 	@ApiOperation(value = "统计期刊的评论数", notes = "APP端增加期刊时或删除评论时调用一次该接口，status根据操作类型对应传参")
-	@RequestMapping(value="/stat/comment/{id}", method= RequestMethod.PUT)
+	@PutMapping("/stat/comment/{id}")
 	public Result statCommentCount(@ApiParam(value = "期刊ID", required = true) @PathVariable String id,
 								   @ApiParam(value = "状态，1:增加评论，0：删除评论", required = true) @RequestBody String status) {
 		return journalService.statCommentCount(id, status);

luoo_music/src/main/java/com/luoo/music/dao/JournalTagDao.java

@@ -33,6 +33,6 @@ public interface JournalTagDao extends JpaRepository<JournalTag,String>, JpaSpec
     List<String> getJournalIdByTagId(String tagId);
     
     
-    @Query(value = "select journal_id from tb_journal_tag where tag_id in (select tag_id from tb_journal_tag where journal_id=?1) and not journal_id=?1 order by rand() limit 6", nativeQuery = true)
-    List<String> recommendByJournalId(String journalId);
+    @Query(value = "select journal_id from tb_journal_tag where tag_id in (select tag_id from tb_journal_tag where journal_id=?1) and not journal_id=?1 order by rand() limit ?2", nativeQuery = true)
+    List<String> recommendByJournalId(String journalId, Integer limit);
 }

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

@@ -331,11 +331,11 @@ public class JournalService {
 	}
 
 
-	public List<Journal> recommendById(String id) {
-		List<String> recommendIds=journalTagDao.recommendByJournalId(id);
+	public List<Journal> recommendById(String id, Integer limit) {
+		List<String> recommendIds=journalTagDao.recommendByJournalId(id,limit);
 		List<String> extraIds=Collections.emptyList();
-		if(recommendIds.size()<6) {
-			extraIds=recommendIds.isEmpty()?journalDao.random(6):journalDao.random(6-recommendIds.size(),recommendIds);
+		if(recommendIds.size()<limit) {
+			extraIds = recommendIds.isEmpty()?journalDao.random(limit):journalDao.random(limit-recommendIds.size(),recommendIds);
 		}
 		if(!extraIds.isEmpty()) {
 			recommendIds.addAll(extraIds);