当前考题

pom.xml

@@ -59,6 +59,11 @@
       <version>2.0.32</version>
     </dependency>
 
+    <dependency>
+      <groupId>org.springframework.boot</groupId>
+      <artifactId>spring-boot-starter-data-redis</artifactId>
+    </dependency>
+
   </dependencies>
 
   <build>

src/main/java/cn/aibreeze/exam/api/ExamController.java

@@ -11,13 +11,16 @@ import cn.aibreeze.exam.mapper.ElehKnowledgeTagMapper;
 import cn.aibreeze.exam.mapper.ElehSessionQaRecordMapper;
 import com.alibaba.fastjson.JSONObject;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import io.micrometer.common.util.StringUtils;
 import lombok.RequiredArgsConstructor;
+import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.util.CollectionUtils;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.Date;
 import java.util.List;
 import java.util.Objects;
+import java.util.concurrent.TimeUnit;
 
 
 @RestController
@@ -32,6 +35,10 @@ public class ExamController {
 
     private final ElehSessionQaRecordMapper qaRecordMapper;
 
+    private final StringRedisTemplate redisTemplate;
+
+    private static String EXAM_REDIS_SESSION_KEY = "EXAM_MASTER:%d:%s:%s";
+
     @GetMapping(value = "/list")
     public String list() {
         LambdaQueryWrapper<ElehKnowledgeDo> queryWrapper = new LambdaQueryWrapper<>();
@@ -40,6 +47,33 @@ public class ExamController {
         return JSONObject.toJSONString(elehKnowledgeDos);
     }
 
+    @GetMapping(value = "/get_current_question")
+    public ApiResponse<GetQuestionResponseResult> getCurrentQuestion(@RequestParam("tenant") Integer tenant,
+                                                                    @RequestParam("session_id") String sessionId,
+                                                                    @RequestParam("user_id") String userId) {
+
+        GetQuestionResponseResult result = new GetQuestionResponseResult();
+
+        String redisKey = String.format(EXAM_REDIS_SESSION_KEY, tenant, sessionId, userId);
+
+        String currentQuestion = redisTemplate.opsForValue().get(redisKey);
+        if(StringUtils.isNotEmpty(currentQuestion)) {
+            ElehKnowledgeDo knowledgeDo = knowledgeMapper.selectById(Long.valueOf(currentQuestion));
+            if(Objects.nonNull(knowledgeDo)) {
+                ElehKnowledgeTagDo tagDo = tagMapper.selectById(knowledgeDo.getTagId());
+
+                result.setQuestion(knowledgeDo.getQuestion());
+                result.setAnswer(knowledgeDo.getAnswer());
+                result.setProject(tagDo.getName());
+                result.setCode(tagDo.getCode());
+                result.setQuestionId(knowledgeDo.getId());
+                result.setNext(true);
+            }
+        }
+
+        return ApiResponse.ok(result);
+    }
+
     @GetMapping(value = "/get_question")
     public ApiResponse<GetQuestionResponseResult> getQuestion(@RequestParam("tenant") Integer tenant,
                                                               @RequestParam("code") String code,
@@ -61,6 +95,10 @@ public class ExamController {
                 result.setCode(tagDo.getCode());
                 result.setQuestionId(knowledgeDo.getId());
                 result.setNext(true);
+
+                // 存储当前会话考试信息
+                String redisKey = String.format(EXAM_REDIS_SESSION_KEY, tenant, sessionId, userId);
+                redisTemplate.opsForValue().set(redisKey, result.getQuestionId()+"", 10, TimeUnit.MINUTES);
             }
         }