feat: validate market opportunity selection step four

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

@@ -12,6 +12,8 @@ import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepTwoValid
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationRequest;
@@ -30,6 +32,7 @@ import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepThreeService;
+import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepFourService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
@@ -66,6 +69,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private MarketOpportunitySelectionStepThreeService marketOpportunitySelectionStepThreeService;
 
+    @Autowired
+    private MarketOpportunitySelectionStepFourService marketOpportunitySelectionStepFourService;
+
     @Autowired
     private NewProductSurveyStepTwoService newProductSurveyStepTwoService;
 
@@ -156,6 +162,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/market-opportunity-selection/step-4/validate")
+    @ApiOperation("市场机会识别与选品第四步校验")
+    public ResultEntity<MarketOpportunitySelectionStepFourValidationResult> validateMarketOpportunitySelectionStepFour(
+            @RequestBody MarketOpportunitySelectionStepFourValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", marketOpportunitySelectionStepFourService.validate(answer, TokenProvider.getJWTUser(request)));
+        } catch (ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @PostMapping("/new-product-survey/step-2/validate")
     @ApiOperation("新产品调查与分析第二步校验")
     public ResultEntity<NewProductSurveyStepTwoValidationResult> validateNewProductSurveyStepTwo(

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

@@ -0,0 +1,8 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class MarketOpportunitySelectionStepFourValidationRequest {
+    private String visualizationUrl;
+
+    public String getVisualizationUrl() { return visualizationUrl; }
+    public void setVisualizationUrl(String visualizationUrl) { this.visualizationUrl = visualizationUrl; }
+}

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

@@ -0,0 +1,11 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class MarketOpportunitySelectionStepFourValidationResult {
+    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/MarketOpportunitySelectionStepFourService.java

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

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

@@ -0,0 +1,32 @@
+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.StudentTrainingAnswer;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepFourService;
+import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+@Service
+public class MarketOpportunitySelectionStepFourServiceImpl implements MarketOpportunitySelectionStepFourService {
+    private static final String TASK_KEY = "market-opportunity-selection";
+
+    @Autowired private StudentTrainingAnswerService studentTrainingAnswerService;
+
+    @Override
+    public MarketOpportunitySelectionStepFourValidationResult validate(MarketOpportunitySelectionStepFourValidationRequest request, JwtUser user) {
+        if (user == null || StringUtils.isBlank(user.getUserId())) throw new ServiceException(HttpStatus.UNAUTHORIZED, "请先登录后再校验");
+        if (user.getRoleId() != 4) throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可进行实训校验");
+        StudentTrainingAnswer savedAnswer = studentTrainingAnswerService.get(TASK_KEY, null, user);
+        if (savedAnswer == null || StringUtils.isBlank(savedAnswer.getStep3Answer())) throw new ServiceException(HttpStatus.BAD_REQUEST, "请先完成并保存第 3 步综合得分计算");
+        if (request == null || StringUtils.isBlank(request.getVisualizationUrl())) throw new ServiceException(HttpStatus.BAD_REQUEST, "请上传数据可视化结果图");
+        MarketOpportunitySelectionStepFourValidationResult result = new MarketOpportunitySelectionStepFourValidationResult();
+        result.setValid(true); result.setMessage("校验通过");
+        return result;
+    }
+}

src/test/java/com/sztzjy/linkCommerce/controller/stu/StudentTrainingAnswerControllerTest.java

@@ -11,6 +11,8 @@ import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepTwoValid
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationRequest;
@@ -27,6 +29,7 @@ import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepThreeService;
+import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepFourService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
@@ -102,6 +105,18 @@ class StudentTrainingAnswerControllerTest {
         verify(service).validate(any(MarketOpportunitySelectionStepThreeValidationRequest.class), any(JwtUser.class));
     }
 
+    @Test
+    void validateMarketOpportunitySelectionStepFourUsesTheAuthenticatedStudentAndReturnsTheValidationResult() {
+        StudentTrainingAnswerController controller = new StudentTrainingAnswerController();
+        MarketOpportunitySelectionStepFourService service = mock(MarketOpportunitySelectionStepFourService.class);
+        ReflectionTestUtils.setField(controller, "marketOpportunitySelectionStepFourService", service);
+        MarketOpportunitySelectionStepFourValidationResult validation = new MarketOpportunitySelectionStepFourValidationResult(); validation.setValid(true);
+        when(service.validate(any(MarketOpportunitySelectionStepFourValidationRequest.class), any(JwtUser.class))).thenReturn(validation);
+        ResultEntity<MarketOpportunitySelectionStepFourValidationResult> result = controller.validateMarketOpportunitySelectionStepFour(new MarketOpportunitySelectionStepFourValidationRequest(), authenticatedStudentRequest());
+        assertEquals(HttpStatus.OK, result.getStatusCode()); assertEquals(validation, result.getBody().getData());
+        verify(service).validate(any(MarketOpportunitySelectionStepFourValidationRequest.class), any(JwtUser.class));
+    }
+
     @Test
     void validateStepTwoUsesTheAuthenticatedStudentAndReturnsTheValidationResult() {
         StudentTrainingAnswerController controller = new StudentTrainingAnswerController();

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

@@ -0,0 +1,50 @@
+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.StudentTrainingAnswer;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.MarketOpportunitySelectionStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
+import org.junit.jupiter.api.Test;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+class MarketOpportunitySelectionStepFourServiceImplTest {
+    @Test
+    void validateAcceptsVisualizationAfterStepThreeIsSaved() {
+        MarketOpportunitySelectionStepFourValidationResult result = serviceWithStepThree().validate(request("/profile/visualization.png"), student());
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void validateRejectsMissingImageAndMissingStepThree() {
+        assertThrows(ServiceException.class, () -> serviceWithStepThree().validate(request(""), student()));
+        MarketOpportunitySelectionStepFourServiceImpl service = new MarketOpportunitySelectionStepFourServiceImpl();
+        StudentTrainingAnswerService answers = mock(StudentTrainingAnswerService.class);
+        ReflectionTestUtils.setField(service, "studentTrainingAnswerService", answers);
+        when(answers.get(anyString(), any(), any(JwtUser.class))).thenReturn(null);
+        assertThrows(ServiceException.class, () -> service.validate(request("/profile/visualization.png"), student()));
+    }
+
+    private MarketOpportunitySelectionStepFourServiceImpl serviceWithStepThree() {
+        MarketOpportunitySelectionStepFourServiceImpl service = new MarketOpportunitySelectionStepFourServiceImpl();
+        StudentTrainingAnswerService answers = mock(StudentTrainingAnswerService.class);
+        StudentTrainingAnswer answer = new StudentTrainingAnswer(); answer.setStep3Answer("{\"scores\":{}}");
+        when(answers.get(anyString(), any(), any(JwtUser.class))).thenReturn(answer);
+        ReflectionTestUtils.setField(service, "studentTrainingAnswerService", answers);
+        return service;
+    }
+
+    private MarketOpportunitySelectionStepFourValidationRequest request(String url) {
+        MarketOpportunitySelectionStepFourValidationRequest request = new MarketOpportunitySelectionStepFourValidationRequest(); request.setVisualizationUrl(url); return request;
+    }
+
+    private JwtUser student() { JwtUser user = new JwtUser(); user.setUserId("stu-1"); user.setRoleId(4); return user; }
+}