feat getKeyword interface

pcloud-facade-book/src/main/java/com/pcloud/book/book/service/KeywordService.java

+package com.pcloud.book.book.service;
+
+import com.pcloud.common.dto.ResponseDto;
+
+import org.springframework.cloud.netflix.feign.FeignClient;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.List;
+
+import io.swagger.annotations.Api;
+
+@FeignClient(value = "pcloud-service-book", qualifier = "bookServiceCloud", path = "book/v1.0/keywordService")
+@Api(description = "书籍关键词内部服务")
+public interface KeywordService {
+
+    @GetMapping("getKeywordByWxGroupId")
+    ResponseEntity<ResponseDto<List<String>>> getKeywordByWxGroupId(@RequestParam("wxGroupId") String wxGroupId);
+
+}

pcloud-service-book/src/main/java/com/pcloud/book/book/service/impl/KeywordServiceImpl.java

+package com.pcloud.book.book.service.impl;
+
+import com.google.common.collect.Lists;
+
+import com.pcloud.book.book.service.KeywordService;
+import com.pcloud.book.group.biz.BookGroupClassifyBiz;
+import com.pcloud.book.group.dto.GroupClassifyQrcodeDTO;
+import com.pcloud.book.keywords.biz.BookKeywordBiz;
+import com.pcloud.book.keywords.dto.KeywordDTO;
+import com.pcloud.common.dto.ResponseDto;
+import com.pcloud.common.utils.ResponseHandleUtil;
+import com.pcloud.common.utils.string.StringUtil;
+
+import org.springframework.http.ResponseEntity;
+import org.springframework.util.CollectionUtils;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import javax.annotation.Resource;
+
+@RestController
+@RequestMapping("keywordService")
+public class KeywordServiceImpl implements KeywordService {
+
+    @Resource
+    private BookGroupClassifyBiz bookGroupClassifyBiz;
+
+    @Resource
+    private BookKeywordBiz bookKeywordBiz;
+
+    @Override
+    @GetMapping("getKeywordByWxGroupId")
+    public ResponseEntity<ResponseDto<List<String>>> getKeywordByWxGroupId(String wxGroupId) {
+        if (StringUtil.isBlank(wxGroupId)) {
+            return ResponseHandleUtil.toResponse(Lists.newArrayList());
+        }
+        GroupClassifyQrcodeDTO classifyQrcodeInfo = bookGroupClassifyBiz.getClassifyQrcodeInfo(wxGroupId);
+        if (Objects.isNull(classifyQrcodeInfo)) {
+            return ResponseHandleUtil.toResponse(Lists.newArrayList());
+        }
+        final List<KeywordDTO> dtos = bookKeywordBiz.listFiveKeyword(classifyQrcodeInfo.getClassifyId(), classifyQrcodeInfo.getBookGroupId());
+        if (CollectionUtils.isEmpty(dtos)) {
+            return ResponseHandleUtil.toResponse(Lists.newArrayList());
+        }
+        final List<String> keywords = dtos.stream().map(KeywordDTO::getKeywords).collect(Collectors.toList());
+        return ResponseHandleUtil.toResponse(keywords);
+    }
+}