feat: validate product positioning mrd

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

@@ -43,6 +43,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepTwoValidati
 import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepTwoValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepThreeValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepThreeValidationResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepFourValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -62,6 +64,7 @@ import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepFourService;
 import com.sztzjy.linkCommerce.service.ProductValuePositioningStepOneService;
 import com.sztzjy.linkCommerce.service.ProductValuePositioningStepTwoService;
 import com.sztzjy.linkCommerce.service.ProductValuePositioningStepThreeService;
+import com.sztzjy.linkCommerce.service.ProductValuePositioningStepFourService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -135,6 +138,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ProductValuePositioningStepThreeService productValuePositioningStepThreeService;
 
+    @Autowired
+    private ProductValuePositioningStepFourService productValuePositioningStepFourService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -372,6 +378,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/product-value-positioning/step-4/validate")
+    @ApiOperation("产品价值主张及定位第四步校验")
+    public ResultEntity<ProductValuePositioningStepFourValidationResult> validateProductValuePositioningStepFour(
+            @RequestBody ProductValuePositioningStepFourValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验完成", productValuePositioningStepFourService.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/ProductValuePositioningStepFourValidationRequest.java

@@ -0,0 +1,41 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+import java.util.List;
+
+public class ProductValuePositioningStepFourValidationRequest {
+    private List<MrdRow> marketInsights;
+    private List<MrdRow> marketOverview;
+    private List<MrdRow> userAnalysis;
+    private List<MrdRow> competitorAnalysis;
+    private List<MrdRow> productRequirements;
+    private String productPositioning;
+
+    public List<MrdRow> getMarketInsights() { return marketInsights; }
+    public void setMarketInsights(List<MrdRow> marketInsights) { this.marketInsights = marketInsights; }
+    public List<MrdRow> getMarketOverview() { return marketOverview; }
+    public void setMarketOverview(List<MrdRow> marketOverview) { this.marketOverview = marketOverview; }
+    public List<MrdRow> getUserAnalysis() { return userAnalysis; }
+    public void setUserAnalysis(List<MrdRow> userAnalysis) { this.userAnalysis = userAnalysis; }
+    public List<MrdRow> getCompetitorAnalysis() { return competitorAnalysis; }
+    public void setCompetitorAnalysis(List<MrdRow> competitorAnalysis) { this.competitorAnalysis = competitorAnalysis; }
+    public List<MrdRow> getProductRequirements() { return productRequirements; }
+    public void setProductRequirements(List<MrdRow> productRequirements) { this.productRequirements = productRequirements; }
+    public String getProductPositioning() { return productPositioning; }
+    public void setProductPositioning(String productPositioning) { this.productPositioning = productPositioning; }
+
+    public static class MrdRow {
+        private Integer id;
+        private String module;
+        private String title;
+        private String content;
+
+        public Integer getId() { return id; }
+        public void setId(Integer id) { this.id = id; }
+        public String getModule() { return module; }
+        public void setModule(String module) { this.module = module; }
+        public String getTitle() { return title; }
+        public void setTitle(String title) { this.title = title; }
+        public String getContent() { return content; }
+        public void setContent(String content) { this.content = content; }
+    }
+}

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

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

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

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

@@ -0,0 +1,47 @@
+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.ProductValuePositioningStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepFourValidationResult;
+import com.sztzjy.linkCommerce.service.ProductValuePositioningStepFourService;
+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 ProductValuePositioningStepFourServiceImpl implements ProductValuePositioningStepFourService {
+    private static final List<Integer> REQUIRED_COUNTS = Arrays.asList(3, 2, 3, 2, 5);
+
+    @Override
+    public ProductValuePositioningStepFourValidationResult validate(ProductValuePositioningStepFourValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        if (request == null || StringUtils.isBlank(request.getProductPositioning())) throw badRequest("请完整填写 MRD 的五组分析内容和产品定位");
+        List<List<ProductValuePositioningStepFourValidationRequest.MrdRow>> sections = Arrays.asList(
+                request.getMarketInsights(), request.getMarketOverview(), request.getUserAnalysis(), request.getCompetitorAnalysis(), request.getProductRequirements());
+        for (int sectionIndex = 0; sectionIndex < sections.size(); sectionIndex++) {
+            List<ProductValuePositioningStepFourValidationRequest.MrdRow> rows = sections.get(sectionIndex);
+            if (rows == null || rows.size() != REQUIRED_COUNTS.get(sectionIndex)) throw badRequest("请按 MRD 固定结构完整填写内容");
+            for (int index = 0; index < rows.size(); index++) {
+                ProductValuePositioningStepFourValidationRequest.MrdRow row = rows.get(index);
+                if (row == null || row.getId() == null || row.getId() != index + 1 || StringUtils.isBlank(row.getTitle()) || StringUtils.isBlank(row.getContent())) {
+                    throw badRequest("请按 MRD 固定结构完整填写内容");
+                }
+            }
+        }
+        ProductValuePositioningStepFourValidationResult result = new ProductValuePositioningStepFourValidationResult();
+        result.setValid(true);
+        result.setMessage("MRD 文档填写完整。");
+        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/ProductValuePositioningStepFourServiceImplTest.java

@@ -0,0 +1,61 @@
+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.ProductValuePositioningStepFourValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepFourValidationResult;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class ProductValuePositioningStepFourServiceImplTest {
+    private final ProductValuePositioningStepFourServiceImpl service = new ProductValuePositioningStepFourServiceImpl();
+
+    @Test
+    void acceptsCompleteMrd() {
+        ProductValuePositioningStepFourValidationResult result = service.validate(request(), student());
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void rejectsIncompleteMrdRow() {
+        ProductValuePositioningStepFourValidationRequest request = request();
+        request.getUserAnalysis().get(2).setContent(" ");
+        assertThrows(ServiceException.class, () -> service.validate(request, student()));
+    }
+
+    private ProductValuePositioningStepFourValidationRequest request() {
+        ProductValuePositioningStepFourValidationRequest request = new ProductValuePositioningStepFourValidationRequest();
+        request.setMarketInsights(rows(3));
+        request.setMarketOverview(rows(2));
+        request.setUserAnalysis(rows(3));
+        request.setCompetitorAnalysis(rows(2));
+        request.setProductRequirements(rows(5));
+        request.setProductPositioning("面向目标用户的差异化产品定位");
+        return request;
+    }
+
+    private List<ProductValuePositioningStepFourValidationRequest.MrdRow> rows(int count) {
+        List<ProductValuePositioningStepFourValidationRequest.MrdRow> rows = new ArrayList<>();
+        for (int index = 1; index <= count; index++) {
+            ProductValuePositioningStepFourValidationRequest.MrdRow row = new ProductValuePositioningStepFourValidationRequest.MrdRow();
+            row.setId(index);
+            row.setTitle("标题" + index);
+            row.setContent("内容" + index);
+            rows.add(row);
+        }
+        return rows;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("student-id");
+        user.setRoleId(4);
+        return user;
+    }
+}