(improvement)(chat) show cases distinct by queryText (#275)

Co-authored-by: jolunoluo

chat/core/src/main/java/com/tencent/supersonic/chat/service/impl/ChatServiceImpl.java

@@ -20,11 +20,14 @@ import com.tencent.supersonic.chat.persistence.repository.ChatQueryRepository;
 import com.tencent.supersonic.chat.persistence.repository.ChatRepository;
 
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Comparator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
 import com.tencent.supersonic.chat.service.ChatService;
@@ -164,6 +167,10 @@ public class ChatServiceImpl implements ChatService {
             Map<String, Object> data = queryResp.getQueryResult().getQueryResults().get(0);
             return CollectionUtils.isEmpty(data);
         });
+        queryResps = new ArrayList<>(queryResps.stream()
+                .collect(Collectors.toMap(QueryResp::getQueryText, Function.identity(),
+                        (existing, replacement) -> existing, LinkedHashMap::new))
+                .values());
         fillParseInfo(queryResps);
         Map<Long, List<QueryResp>> showCaseMap = queryResps.stream()
                 .collect(Collectors.groupingBy(QueryResp::getChatId));

chat/core/src/main/resources/mapper/custom/ShowCaseCustomMapper.xml

@@ -66,7 +66,7 @@
                      and user_name = #{userName}
                </if>
                order by score, chat_id desc
-            )
+            ) a
             limit #{start}, #{limit}
         ) q2 on q1.chat_id = q2.chat_id
         where agent_id = ${agentId} and (score is null or score > 1)