feat: validate consumer scenario journey ordering

src/main/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerController.java

@@ -37,6 +37,8 @@ import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepThreeValidationRes
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepFourValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepFourValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorWordPreviewResult;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -53,6 +55,7 @@ import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepOneService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepTwoService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepThreeService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepFourService;
+import com.sztzjy.linkCommerce.service.ConsumerScenarioStepOneService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -117,6 +120,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ConsumerBehaviorStepFourService consumerBehaviorStepFourService;
 
+    @Autowired
+    private ConsumerScenarioStepOneService consumerScenarioStepOneService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -321,6 +327,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/consumer-scenario/step-1/validate")
+    @ApiOperation("消费场景解构第一步校验")
+    public ResultEntity<ConsumerScenarioStepOneValidationResult> validateConsumerScenarioStepOne(
+            @RequestBody ConsumerScenarioStepOneValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验完成", consumerScenarioStepOneService.validate(answer, TokenProvider.getJWTUser(request)));
+        } catch (ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @PostMapping(value = "/consumer-behavior/step-3/word-preview", consumes = "multipart/form-data")
     @ApiOperation("消费者需求与行为第三步Word预览")
     public ResultEntity<ConsumerBehaviorWordPreviewResult> previewConsumerBehaviorStepThreeWord(

src/main/java/com/sztzjy/linkCommerce/entity/dto/ConsumerScenarioStepOneValidationRequest.java

@@ -0,0 +1,15 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+import java.util.List;
+
+public class ConsumerScenarioStepOneValidationRequest {
+    private List<String> stageOrder;
+
+    public List<String> getStageOrder() {
+        return stageOrder;
+    }
+
+    public void setStageOrder(List<String> stageOrder) {
+        this.stageOrder = stageOrder;
+    }
+}

src/main/java/com/sztzjy/linkCommerce/entity/dto/ConsumerScenarioStepOneValidationResult.java

@@ -0,0 +1,22 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class ConsumerScenarioStepOneValidationResult {
+    private boolean valid;
+    private String message;
+
+    public boolean isValid() {
+        return valid;
+    }
+
+    public void setValid(boolean valid) {
+        this.valid = valid;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

src/main/java/com/sztzjy/linkCommerce/service/ConsumerScenarioStepOneService.java

@@ -0,0 +1,9 @@
+package com.sztzjy.linkCommerce.service;
+
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationResult;
+
+public interface ConsumerScenarioStepOneService {
+    ConsumerScenarioStepOneValidationResult validate(ConsumerScenarioStepOneValidationRequest request, JwtUser user);
+}

src/main/java/com/sztzjy/linkCommerce/service/impl/ConsumerScenarioStepOneServiceImpl.java

@@ -0,0 +1,54 @@
+package com.sztzjy.linkCommerce.service.impl;
+
+import com.sztzjy.linkCommerce.config.exception.handler.ServiceException;
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationResult;
+import com.sztzjy.linkCommerce.service.ConsumerScenarioStepOneService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Service
+public class ConsumerScenarioStepOneServiceImpl implements ConsumerScenarioStepOneService {
+    private static final List<String> STANDARD_ORDER = Arrays.asList(
+            "problem-awareness",
+            "information-search",
+            "evaluation-decision",
+            "purchase-conversion",
+            "post-purchase"
+    );
+
+    @Override
+    public ConsumerScenarioStepOneValidationResult validate(ConsumerScenarioStepOneValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        List<String> stageOrder = request == null ? null : request.getStageOrder();
+        if (stageOrder == null || stageOrder.size() != STANDARD_ORDER.size()
+                || stageOrder.stream().distinct().count() != STANDARD_ORDER.size()
+                || !stageOrder.containsAll(STANDARD_ORDER)) {
+            throw badRequest("提交的购买旅程阶段不完整，请重新排序");
+        }
+
+        boolean valid = STANDARD_ORDER.equals(stageOrder);
+        ConsumerScenarioStepOneValidationResult result = new ConsumerScenarioStepOneValidationResult();
+        result.setValid(valid);
+        result.setMessage(valid ? "排序正确，可以进入下一步。" : "排序还不正确，请根据消费者购买旅程再次调整。");
+        return result;
+    }
+
+    private void requireStudent(JwtUser user) {
+        if (user == null || StringUtils.isBlank(user.getUserId())) {
+            throw new ServiceException(HttpStatus.UNAUTHORIZED, "请先登录后再提交");
+        }
+        if (user.getRoleId() != 4) {
+            throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可以提交实训答案");
+        }
+    }
+
+    private ServiceException badRequest(String message) {
+        return new ServiceException(HttpStatus.BAD_REQUEST, message);
+    }
+}

src/test/java/com/sztzjy/linkCommerce/service/impl/ConsumerScenarioStepOneServiceImplTest.java

@@ -0,0 +1,58 @@
+package com.sztzjy.linkCommerce.service.impl;
+
+import com.sztzjy.linkCommerce.config.exception.handler.ServiceException;
+import com.sztzjy.linkCommerce.config.security.JwtUser;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ConsumerScenarioStepOneValidationResult;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class ConsumerScenarioStepOneServiceImplTest {
+    @Test
+    void acceptsTheStandardJourneyOrder() {
+        ConsumerScenarioStepOneValidationResult result = new ConsumerScenarioStepOneServiceImpl().validate(request(
+                "problem-awareness", "information-search", "evaluation-decision", "purchase-conversion", "post-purchase"), student());
+
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void returnsAnIncorrectResultForAnUnorderedJourney() {
+        ConsumerScenarioStepOneValidationResult result = new ConsumerScenarioStepOneServiceImpl().validate(request(
+                "information-search", "problem-awareness", "evaluation-decision", "purchase-conversion", "post-purchase"), student());
+
+        assertFalse(result.isValid());
+    }
+
+    @Test
+    void rejectsIncompleteJourneyData() {
+        assertThrows(ServiceException.class, () -> new ConsumerScenarioStepOneServiceImpl().validate(request(
+                "problem-awareness", "information-search"), student()));
+    }
+
+    @Test
+    void rejectsNonStudent() {
+        JwtUser teacher = new JwtUser();
+        teacher.setRoleId(2);
+        assertThrows(ServiceException.class, () -> new ConsumerScenarioStepOneServiceImpl().validate(request(
+                "problem-awareness", "information-search", "evaluation-decision", "purchase-conversion", "post-purchase"), teacher));
+    }
+
+    private ConsumerScenarioStepOneValidationRequest request(String... stageOrder) {
+        ConsumerScenarioStepOneValidationRequest request = new ConsumerScenarioStepOneValidationRequest();
+        request.setStageOrder(Arrays.asList(stageOrder));
+        return request;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("stu-1");
+        user.setRoleId(4);
+        return user;
+    }
+}