feat: validate new product survey step four

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

@@ -10,9 +10,12 @@ import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationReque
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
+import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -39,6 +42,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private NewProductSurveyStepThreeService newProductSurveyStepThreeService;
 
+    @Autowired
+    private NewProductSurveyStepFourService newProductSurveyStepFourService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -101,6 +107,18 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/new-product-survey/step-4/validate")
+    @ApiOperation("新产品调查与分析第四步校验")
+    public ResultEntity<NewProductSurveyStepFourValidationResult> validateNewProductSurveyStepFour(
+            @RequestBody NewProductSurveyStepFourValidationRequest answer, HttpServletRequest request) {
+        try {
+            JwtUser user = TokenProvider.getJWTUser(request);
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", newProductSurveyStepFourService.validate(answer, user));
+        } 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/NewProductSurveyStepFourValidationRequest.java

@@ -0,0 +1,14 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+public class NewProductSurveyStepFourValidationRequest {
+    private String coreValue;
+    private String tangibleValue;
+    private String extendedValue;
+
+    public String getCoreValue() { return coreValue; }
+    public void setCoreValue(String coreValue) { this.coreValue = coreValue; }
+    public String getTangibleValue() { return tangibleValue; }
+    public void setTangibleValue(String tangibleValue) { this.tangibleValue = tangibleValue; }
+    public String getExtendedValue() { return extendedValue; }
+    public void setExtendedValue(String extendedValue) { this.extendedValue = extendedValue; }
+}

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

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

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

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

@@ -0,0 +1,48 @@
+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.NewProductSurveyStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+@Service
+public class NewProductSurveyStepFourServiceImpl implements NewProductSurveyStepFourService {
+    @Override
+    public NewProductSurveyStepFourValidationResult validate(NewProductSurveyStepFourValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        if (request == null) {
+            throw badRequest("请完成三层次AI应用价值分析");
+        }
+        requireNonBlank(request.getCoreValue(), "请填写核心层AI应用价值分析");
+        requireNonBlank(request.getTangibleValue(), "请填写有形层AI应用价值分析");
+        requireNonBlank(request.getExtendedValue(), "请填写延伸层AI应用价值分析");
+
+        NewProductSurveyStepFourValidationResult result = new NewProductSurveyStepFourValidationResult();
+        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, "请先登录后再提交");
+        }
+        if (user.getRoleId() != 4) {
+            throw new ServiceException(HttpStatus.FORBIDDEN, "仅学生可提交实训答案");
+        }
+    }
+
+    private void requireNonBlank(String value, String message) {
+        if (StringUtils.isBlank(value)) {
+            throw badRequest(message);
+        }
+    }
+
+    private ServiceException badRequest(String message) {
+        return new ServiceException(HttpStatus.BAD_REQUEST, message);
+    }
+}

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

@@ -9,9 +9,12 @@ import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationReque
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepTwoService;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepThreeService;
+import com.sztzjy.linkCommerce.service.NewProductSurveyStepFourService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import org.junit.jupiter.api.Test;
 import org.springframework.http.HttpStatus;
@@ -79,6 +82,23 @@ class StudentTrainingAnswerControllerTest {
         verify(service).validate(any(NewProductSurveyStepThreeValidationRequest.class), any(JwtUser.class));
     }
 
+    @Test
+    void validateStepFourUsesTheAuthenticatedStudentAndReturnsTheValidationResult() {
+        StudentTrainingAnswerController controller = new StudentTrainingAnswerController();
+        NewProductSurveyStepFourService service = mock(NewProductSurveyStepFourService.class);
+        ReflectionTestUtils.setField(controller, "newProductSurveyStepFourService", service);
+        NewProductSurveyStepFourValidationResult validation = new NewProductSurveyStepFourValidationResult();
+        validation.setValid(true);
+        when(service.validate(any(NewProductSurveyStepFourValidationRequest.class), any(JwtUser.class))).thenReturn(validation);
+
+        NewProductSurveyStepFourValidationRequest answer = new NewProductSurveyStepFourValidationRequest();
+        ResultEntity<NewProductSurveyStepFourValidationResult> result = controller.validateNewProductSurveyStepFour(answer, authenticatedStudentRequest());
+
+        assertEquals(HttpStatus.OK, result.getStatusCode());
+        assertEquals(validation, result.getBody().getData());
+        verify(service).validate(any(NewProductSurveyStepFourValidationRequest.class), any(JwtUser.class));
+    }
+
     private HttpServletRequest authenticatedStudentRequest() {
         JwtUser user = new JwtUser();
         user.setUserId("stu-1");

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

@@ -0,0 +1,59 @@
+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.NewProductSurveyStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.NewProductSurveyStepFourValidationResult;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class NewProductSurveyStepFourServiceImplTest {
+
+    @Test
+    void acceptsStudentWithAllThreeNonBlankValues() {
+        NewProductSurveyStepFourServiceImpl service = new NewProductSurveyStepFourServiceImpl();
+
+        NewProductSurveyStepFourValidationResult result = service.validate(request("核心分析", "有形分析", "延伸分析"), student());
+
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void rejectsBlankValuesForEachLayer() {
+        NewProductSurveyStepFourServiceImpl service = new NewProductSurveyStepFourServiceImpl();
+
+        assertThrows(ServiceException.class, () -> service.validate(request(" ", "有形分析", "延伸分析"), student()));
+        assertThrows(ServiceException.class, () -> service.validate(request("核心分析", "\t", "延伸分析"), student()));
+        assertThrows(ServiceException.class, () -> service.validate(request("核心分析", "有形分析", ""), student()));
+    }
+
+    @Test
+    void rejectsNonStudent() {
+        NewProductSurveyStepFourServiceImpl service = new NewProductSurveyStepFourServiceImpl();
+
+        assertThrows(ServiceException.class, () -> service.validate(request("核心分析", "有形分析", "延伸分析"), teacher()));
+    }
+
+    private NewProductSurveyStepFourValidationRequest request(String coreValue, String tangibleValue, String extendedValue) {
+        NewProductSurveyStepFourValidationRequest request = new NewProductSurveyStepFourValidationRequest();
+        request.setCoreValue(coreValue);
+        request.setTangibleValue(tangibleValue);
+        request.setExtendedValue(extendedValue);
+        return request;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("stu-1");
+        user.setRoleId(4);
+        return user;
+    }
+
+    private JwtUser teacher() {
+        JwtUser user = student();
+        user.setRoleId(3);
+        return user;
+    }
+}