feat: validate business feasibility step two

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

@@ -30,6 +30,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepFourValid
 import com.sztzjy.linkCommerce.entity.dto.ProductDevelopmentFactorsStepFourValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.BusinessFeasibilityStepOneValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.BusinessFeasibilityStepOneValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.BusinessFeasibilityStepTwoValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.BusinessFeasibilityStepTwoValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -43,6 +45,7 @@ import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepTwoService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepThreeService;
 import com.sztzjy.linkCommerce.service.ProductDevelopmentFactorsStepFourService;
 import com.sztzjy.linkCommerce.service.BusinessFeasibilityStepOneService;
+import com.sztzjy.linkCommerce.service.BusinessFeasibilityStepTwoService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -97,6 +100,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private BusinessFeasibilityStepOneService businessFeasibilityStepOneService;
 
+    @Autowired
+    private BusinessFeasibilityStepTwoService businessFeasibilityStepTwoService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -268,6 +274,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/business-feasibility/step-2/validate")
+    @ApiOperation("商业可行性论证第二步校验")
+    public ResultEntity<BusinessFeasibilityStepTwoValidationResult> validateBusinessFeasibilityStepTwo(
+            @RequestBody BusinessFeasibilityStepTwoValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验通过", businessFeasibilityStepTwoService.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/BusinessFeasibilityStepTwoValidationRequest.java

@@ -0,0 +1,12 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+import java.util.List;
+
+public class BusinessFeasibilityStepTwoValidationRequest {
+    private String decision;
+    private List<String> priorities;
+    public String getDecision() { return decision; }
+    public void setDecision(String decision) { this.decision = decision; }
+    public List<String> getPriorities() { return priorities; }
+    public void setPriorities(List<String> priorities) { this.priorities = priorities; }
+}

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

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

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

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

@@ -0,0 +1,40 @@
+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.BusinessFeasibilityStepTwoValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.BusinessFeasibilityStepTwoValidationResult;
+import com.sztzjy.linkCommerce.service.BusinessFeasibilityStepTwoService;
+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;
+
+import java.util.Arrays;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+@Service
+public class BusinessFeasibilityStepTwoServiceImpl implements BusinessFeasibilityStepTwoService {
+    private static final String TASK_KEY = "business-feasibility";
+    private static final Set<String> DECISIONS = new LinkedHashSet<>(Arrays.asList("highly-feasible", "feasible-after-optimization", "observe", "not-feasible"));
+    private static final Set<String> PRIORITIES = new LinkedHashSet<>(Arrays.asList("hardware-cost-control", "content-ecosystem", "channel-expansion", "brand-differentiation", "supply-chain-management", "capital-planning"));
+    @Autowired private StudentTrainingAnswerService studentTrainingAnswerService;
+
+    @Override
+    public BusinessFeasibilityStepTwoValidationResult validate(BusinessFeasibilityStepTwoValidationRequest 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 saved = studentTrainingAnswerService.get(TASK_KEY, null, user);
+        if (saved == null || StringUtils.isBlank(saved.getStep1Answer())) throw new ServiceException(HttpStatus.BAD_REQUEST, "请先完成并保存第 1 步商业可行性论证");
+        String decision = request == null ? "" : StringUtils.trimToEmpty(request.getDecision());
+        if (!DECISIONS.contains(decision)) throw new ServiceException(HttpStatus.BAD_REQUEST, "请选择项目商业可行性总体评估");
+        Set<String> selected = new LinkedHashSet<>();
+        if (request.getPriorities() != null) for (String priority : request.getPriorities()) { String value = StringUtils.trimToEmpty(priority); if (!PRIORITIES.contains(value) || !selected.add(value)) throw new ServiceException(HttpStatus.BAD_REQUEST, "优先问题包含无效或重复项"); }
+        if ("not-feasible".equals(decision)) { if (!selected.isEmpty()) throw new ServiceException(HttpStatus.BAD_REQUEST, "选择不可行时无需勾选优先问题"); }
+        else if (selected.size() != 3) throw new ServiceException(HttpStatus.BAD_REQUEST, "请且仅选择 3 个需要优先解决的关键问题");
+        BusinessFeasibilityStepTwoValidationResult result = new BusinessFeasibilityStepTwoValidationResult(); result.setValid(true); result.setMessage("校验通过"); return result;
+    }
+}

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

@@ -0,0 +1,40 @@
+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.BusinessFeasibilityStepTwoValidationRequest;
+import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
+import org.junit.jupiter.api.Test;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import java.util.Arrays;
+
+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 BusinessFeasibilityStepTwoServiceImplTest {
+    @Test
+    void validatesThreePrioritiesForProjectDecision() {
+        assertTrue(serviceWithStepOne().validate(request("feasible-after-optimization", "hardware-cost-control", "channel-expansion", "capital-planning"), student()).isValid());
+    }
+
+    @Test
+    void acceptsNoPriorityForNotFeasibleAndRejectsOtherCounts() {
+        assertTrue(serviceWithStepOne().validate(request("not-feasible"), student()).isValid());
+        assertThrows(ServiceException.class, () -> serviceWithStepOne().validate(request("observe", "hardware-cost-control", "channel-expansion"), student()));
+        assertThrows(ServiceException.class, () -> serviceWithStepOne().validate(request("not-feasible", "hardware-cost-control"), student()));
+    }
+
+    private BusinessFeasibilityStepTwoServiceImpl serviceWithStepOne() {
+        BusinessFeasibilityStepTwoServiceImpl service = new BusinessFeasibilityStepTwoServiceImpl();
+        StudentTrainingAnswerService answers = mock(StudentTrainingAnswerService.class); StudentTrainingAnswer answer = new StudentTrainingAnswer(); answer.setStep1Answer("{\"form\":{}}");
+        when(answers.get(anyString(), any(), any(JwtUser.class))).thenReturn(answer); ReflectionTestUtils.setField(service, "studentTrainingAnswerService", answers); return service;
+    }
+    private BusinessFeasibilityStepTwoValidationRequest request(String decision, String... priorities) { BusinessFeasibilityStepTwoValidationRequest request = new BusinessFeasibilityStepTwoValidationRequest(); request.setDecision(decision); request.setPriorities(Arrays.asList(priorities)); return request; }
+    private JwtUser student() { JwtUser user = new JwtUser(); user.setUserId("stu-1"); user.setRoleId(4); return user; }
+}