feat: validate value positioning statements

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

@@ -41,6 +41,8 @@ import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidati
 import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepTwoValidationRequest;
 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.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -59,6 +61,7 @@ import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepThreeService;
 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.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -129,6 +132,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ProductValuePositioningStepTwoService productValuePositioningStepTwoService;
 
+    @Autowired
+    private ProductValuePositioningStepThreeService productValuePositioningStepThreeService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -355,6 +361,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/product-value-positioning/step-3/validate")
+    @ApiOperation("产品价值主张及定位第三步校验")
+    public ResultEntity<ProductValuePositioningStepThreeValidationResult> validateProductValuePositioningStepThree(
+            @RequestBody ProductValuePositioningStepThreeValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验完成", productValuePositioningStepThreeService.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/ProductValuePositioningStepThreeValidationRequest.java

@@ -0,0 +1,32 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+import java.util.List;
+
+public class ProductValuePositioningStepThreeValidationRequest {
+    private List<PositioningStatement> statements;
+
+    public List<PositioningStatement> getStatements() { return statements; }
+    public void setStatements(List<PositioningStatement> statements) { this.statements = statements; }
+
+    public static class PositioningStatement {
+        private Integer id;
+        private String targetUser;
+        private String productName;
+        private String productCategory;
+        private String coreValue;
+        private String differentiationReason;
+
+        public Integer getId() { return id; }
+        public void setId(Integer id) { this.id = id; }
+        public String getTargetUser() { return targetUser; }
+        public void setTargetUser(String targetUser) { this.targetUser = targetUser; }
+        public String getProductName() { return productName; }
+        public void setProductName(String productName) { this.productName = productName; }
+        public String getProductCategory() { return productCategory; }
+        public void setProductCategory(String productCategory) { this.productCategory = productCategory; }
+        public String getCoreValue() { return coreValue; }
+        public void setCoreValue(String coreValue) { this.coreValue = coreValue; }
+        public String getDifferentiationReason() { return differentiationReason; }
+        public void setDifferentiationReason(String differentiationReason) { this.differentiationReason = differentiationReason; }
+    }
+}

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

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

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

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

@@ -0,0 +1,42 @@
+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.ProductValuePositioningStepThreeValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepThreeValidationResult;
+import com.sztzjy.linkCommerce.service.ProductValuePositioningStepThreeService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ProductValuePositioningStepThreeServiceImpl implements ProductValuePositioningStepThreeService {
+    @Override
+    public ProductValuePositioningStepThreeValidationResult validate(ProductValuePositioningStepThreeValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        List<ProductValuePositioningStepThreeValidationRequest.PositioningStatement> statements = request == null ? null : request.getStatements();
+        if (statements == null || statements.size() != 2) throw badRequest("请填写两个产品价值定位陈述版本");
+        for (int index = 0; index < statements.size(); index++) {
+            ProductValuePositioningStepThreeValidationRequest.PositioningStatement statement = statements.get(index);
+            if (statement == null || statement.getId() == null || statement.getId() != index + 1
+                    || StringUtils.isBlank(statement.getTargetUser()) || StringUtils.isBlank(statement.getProductName())
+                    || StringUtils.isBlank(statement.getProductCategory()) || StringUtils.isBlank(statement.getCoreValue())
+                    || StringUtils.isBlank(statement.getDifferentiationReason())) {
+                throw badRequest("请完整填写两个产品价值定位陈述版本");
+            }
+        }
+        ProductValuePositioningStepThreeValidationResult result = new ProductValuePositioningStepThreeValidationResult();
+        result.setValid(true);
+        result.setMessage("两版定位陈述填写完整。");
+        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/ProductValuePositioningStepThreeServiceImplTest.java

@@ -0,0 +1,54 @@
+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.ProductValuePositioningStepThreeValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepThreeValidationResult;
+import org.junit.jupiter.api.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class ProductValuePositioningStepThreeServiceImplTest {
+    private final ProductValuePositioningStepThreeServiceImpl service = new ProductValuePositioningStepThreeServiceImpl();
+
+    @Test
+    void acceptsTwoCompleteStatements() {
+        ProductValuePositioningStepThreeValidationResult result = service.validate(request(), student());
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void rejectsAnIncompleteStatement() {
+        ProductValuePositioningStepThreeValidationRequest request = request();
+        request.getStatements().get(1).setCoreValue(" ");
+        assertThrows(ServiceException.class, () -> service.validate(request, student()));
+    }
+
+    private ProductValuePositioningStepThreeValidationRequest request() {
+        List<ProductValuePositioningStepThreeValidationRequest.PositioningStatement> statements = new ArrayList<>();
+        for (int index = 1; index <= 2; index++) {
+            ProductValuePositioningStepThreeValidationRequest.PositioningStatement statement = new ProductValuePositioningStepThreeValidationRequest.PositioningStatement();
+            statement.setId(index);
+            statement.setTargetUser("目标用户" + index);
+            statement.setProductName("产品名称" + index);
+            statement.setProductCategory("产品类别" + index);
+            statement.setCoreValue("核心价值" + index);
+            statement.setDifferentiationReason("差异化理由" + index);
+            statements.add(statement);
+        }
+        ProductValuePositioningStepThreeValidationRequest request = new ProductValuePositioningStepThreeValidationRequest();
+        request.setStatements(statements);
+        return request;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("student-id");
+        user.setRoleId(4);
+        return user;
+    }
+}