feat: validate product development process step four

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

@@ -26,6 +26,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepTwoValida
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
@@ -37,6 +39,7 @@ import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepFourService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepOneService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepTwoService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepThreeService;
+import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepFourService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -85,6 +88,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ProductDevelopmentProcessStepThreeService productDevelopmentProcessStepThreeService;
 
+    @Autowired
+    private ProductDevelopmentProcessStepFourService productDevelopmentProcessStepFourService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -234,6 +240,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/product-development-process/step-4/validate")
+    @ApiOperation("产品开发主要流程第四步校验")
+    public ResultEntity<ProductDevelopmentProcessStepFourValidationResult> validateProductDevelopmentProcessStepFour(
+            @RequestBody ProductDevelopmentProcessStepFourValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", productDevelopmentProcessStepFourService.validate(answer, TokenProvider.getJWTUser(request)));
+        } catch (ServiceException e) {
+            return new ResultEntity<>(e.getCode(), e.getMessage());
+        }
+    }
+
     @DeleteMapping("/{taskKey}")
     @ApiOperation("删除当前学生指定实训任务答案")
     public ResultEntity delete(@PathVariable String taskKey,

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

@@ -0,0 +1,14 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class ProductDevelopmentProcessStepFourValidationRequest {
+    private String parallelWorkAnalysis;
+    private String aiScenarioOne;
+    private String aiScenarioTwo;
+
+    public String getParallelWorkAnalysis() { return parallelWorkAnalysis; }
+    public void setParallelWorkAnalysis(String parallelWorkAnalysis) { this.parallelWorkAnalysis = parallelWorkAnalysis; }
+    public String getAiScenarioOne() { return aiScenarioOne; }
+    public void setAiScenarioOne(String aiScenarioOne) { this.aiScenarioOne = aiScenarioOne; }
+    public String getAiScenarioTwo() { return aiScenarioTwo; }
+    public void setAiScenarioTwo(String aiScenarioTwo) { this.aiScenarioTwo = aiScenarioTwo; }
+}

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

@@ -0,0 +1,10 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class ProductDevelopmentProcessStepFourValidationResult {
+    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/ProductDevelopmentProcessStepFourService.java

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

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

@@ -0,0 +1,52 @@
+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.ProductDevelopmentProcessStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepFourService;
+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 ProductDevelopmentProcessStepFourServiceImpl implements ProductDevelopmentProcessStepFourService {
+    private static final String TASK_KEY = "product-development-process";
+    private final StudentTrainingAnswerService studentTrainingAnswerService;
+
+    @Autowired
+    public ProductDevelopmentProcessStepFourServiceImpl(StudentTrainingAnswerService studentTrainingAnswerService) {
+        this.studentTrainingAnswerService = studentTrainingAnswerService;
+    }
+
+    @Override
+    public ProductDevelopmentProcessStepFourValidationResult validate(ProductDevelopmentProcessStepFourValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        requireStepThreeCompleted(user);
+        if (StringUtils.isBlank(request == null ? null : request.getParallelWorkAnalysis())) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请填写可提前介入并同步完成的电商运营工作");
+        }
+        if (StringUtils.isBlank(request.getAiScenarioOne()) || StringUtils.isBlank(request.getAiScenarioTwo())) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请至少填写 2 个 AI 工具提效应用场景");
+        }
+        ProductDevelopmentProcessStepFourValidationResult result = new ProductDevelopmentProcessStepFourValidationResult();
+        result.setValid(true);
+        result.setMessage("校验通过");
+        return result;
+    }
+
+    private void requireStudent(JwtUser user) {
+        if (user == null || StringUtils.isBlank(user.getUserId())) throw new ServiceException(HttpStatus.UNAUTHORIZED, "请先登录后再校验");
+        if (user.getRoleId() != 4) throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可进行实训校验");
+    }
+
+    private void requireStepThreeCompleted(JwtUser user) {
+        StudentTrainingAnswer answer = studentTrainingAnswerService.get(TASK_KEY, null, user);
+        if (answer == null || StringUtils.isBlank(answer.getStep3Answer())) {
+            throw new ServiceException(HttpStatus.BAD_REQUEST, "请先上传并保存第三步甘特图");
+        }
+    }
+}

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

@@ -23,6 +23,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepTwoValida
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
@@ -33,6 +35,7 @@ import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepThreeService
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepOneService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepTwoService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepThreeService;
+import com.sztzjy.linkCommerce.service.ProductDevelopmentProcessStepFourService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import org.junit.jupiter.api.Test;
 import org.springframework.http.HttpStatus;
@@ -215,6 +218,23 @@ class StudentTrainingAnswerControllerTest {
         verify(service).validate(any(ProductDevelopmentProcessStepThreeValidationRequest.class), any(JwtUser.class));
     }
 
+    @Test
+    void validateProductDevelopmentProcessStepFourUsesTheAuthenticatedStudentAndReturnsTheValidationResult() {
+        StudentTrainingAnswerController controller = new StudentTrainingAnswerController();
+        ProductDevelopmentProcessStepFourService service = mock(ProductDevelopmentProcessStepFourService.class);
+        ReflectionTestUtils.setField(controller, "productDevelopmentProcessStepFourService", service);
+        ProductDevelopmentProcessStepFourValidationResult validation = new ProductDevelopmentProcessStepFourValidationResult();
+        validation.setValid(true);
+        when(service.validate(any(ProductDevelopmentProcessStepFourValidationRequest.class), any(JwtUser.class))).thenReturn(validation);
+
+        ResultEntity<ProductDevelopmentProcessStepFourValidationResult> result = controller
+                .validateProductDevelopmentProcessStepFour(new ProductDevelopmentProcessStepFourValidationRequest(), authenticatedStudentRequest());
+
+        assertEquals(HttpStatus.OK, result.getStatusCode());
+        assertEquals(validation, result.getBody().getData());
+        verify(service).validate(any(ProductDevelopmentProcessStepFourValidationRequest.class), any(JwtUser.class));
+    }
+
     private HttpServletRequest authenticatedStudentRequest() {
         JwtUser user = new JwtUser();
         user.setUserId("stu-1");

src/test/java/com/sztzjy/linkCommerce/service/impl/ProductDevelopmentProcessStepFourServiceImplTest.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.StudentTrainingAnswer;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentProcessStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
+import org.junit.jupiter.api.Test;
+
+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 ProductDevelopmentProcessStepFourServiceImplTest {
+    @Test
+    void validateAcceptsCompletedReflectionAfterGanttChartIsSaved() {
+        ProductDevelopmentProcessStepFourServiceImpl service = new ProductDevelopmentProcessStepFourServiceImpl(answerServiceWithStepThree());
+
+        ProductDevelopmentProcessStepFourValidationResult result = service.validate(completedRequest(), student());
+
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void validateRejectsMissingFieldsOrMissingGanttChart() {
+        ProductDevelopmentProcessStepFourServiceImpl service = new ProductDevelopmentProcessStepFourServiceImpl(answerServiceWithStepThree());
+        ProductDevelopmentProcessStepFourValidationRequest missingScenario = completedRequest();
+        missingScenario.setAiScenarioTwo("");
+        assertThrows(ServiceException.class, () -> service.validate(missingScenario, student()));
+
+        StudentTrainingAnswerService emptyAnswerService = mock(StudentTrainingAnswerService.class);
+        when(emptyAnswerService.get(anyString(), any(), any(JwtUser.class))).thenReturn(new StudentTrainingAnswer());
+        ProductDevelopmentProcessStepFourServiceImpl noGanttService = new ProductDevelopmentProcessStepFourServiceImpl(emptyAnswerService);
+        assertThrows(ServiceException.class, () -> noGanttService.validate(completedRequest(), student()));
+    }
+
+    private StudentTrainingAnswerService answerServiceWithStepThree() {
+        StudentTrainingAnswerService answerService = mock(StudentTrainingAnswerService.class);
+        StudentTrainingAnswer answer = new StudentTrainingAnswer();
+        answer.setStep3Answer("{\"ganttImageUrl\":\"/profile/upload/gantt.png\"}");
+        when(answerService.get(anyString(), any(), any(JwtUser.class))).thenReturn(answer);
+        return answerService;
+    }
+
+    private ProductDevelopmentProcessStepFourValidationRequest completedRequest() {
+        ProductDevelopmentProcessStepFourValidationRequest request = new ProductDevelopmentProcessStepFourValidationRequest();
+        request.setParallelWorkAnalysis("在产品定义阶段提前准备内容种草素材和预热蓄水计划。");
+        request.setAiScenarioOne("使用AI归纳竞品评论与用户需求，辅助产出PRD初稿。");
+        request.setAiScenarioTwo("使用AI生成详情页文案和主图脚本，提高运营素材生产效率。");
+        return request;
+    }
+
+    private JwtUser student() { JwtUser user = new JwtUser(); user.setUserId("stu-1"); user.setRoleId(4); return user; }
+}