feat: validate product value positioning step one

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

@@ -37,6 +37,8 @@ import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepThreeValidationRes
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepFourValidationRequest;
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorStepFourValidationResult;
 import com.sztzjy.linkCommerce.entity.dto.ConsumerBehaviorWordPreviewResult;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidationResult;
 import com.sztzjy.linkCommerce.service.NewProductSurveyStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepOneService;
 import com.sztzjy.linkCommerce.service.MarketOpportunitySelectionStepTwoService;
@@ -53,6 +55,7 @@ import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepOneService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepTwoService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepThreeService;
 import com.sztzjy.linkCommerce.service.ConsumerBehaviorStepFourService;
+import com.sztzjy.linkCommerce.service.ProductValuePositioningStepOneService;
 import com.sztzjy.linkCommerce.service.StudentTrainingAnswerService;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
@@ -117,6 +120,9 @@ public class StudentTrainingAnswerController {
     @Autowired
     private ConsumerBehaviorStepFourService consumerBehaviorStepFourService;
 
+    @Autowired
+    private ProductValuePositioningStepOneService productValuePositioningStepOneService;
+
     @GetMapping("/{taskKey}")
     @ApiOperation("查询当前学生指定实训任务答案")
     public ResultEntity<StudentTrainingAnswer> detail(@PathVariable String taskKey,
@@ -321,6 +327,17 @@ public class StudentTrainingAnswerController {
         }
     }
 
+    @PostMapping("/product-value-positioning/step-1/validate")
+    @ApiOperation("产品价值主张及定位第一步校验")
+    public ResultEntity<ProductValuePositioningStepOneValidationResult> validateProductValuePositioningStepOne(
+            @RequestBody ProductValuePositioningStepOneValidationRequest answer, HttpServletRequest request) {
+        try {
+            return new ResultEntity<>(HttpStatus.OK, "校验完成", productValuePositioningStepOneService.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/ProductValuePositioningStepOneValidationRequest.java

@@ -0,0 +1,31 @@
+package com.sztzjy.linkCommerce.entity.dto;
+
+import java.util.List;
+
+public class ProductValuePositioningStepOneValidationRequest {
+    private List<CorePainRow> rows;
+
+    public List<CorePainRow> getRows() {
+        return rows;
+    }
+
+    public void setRows(List<CorePainRow> rows) {
+        this.rows = rows;
+    }
+
+    public static class CorePainRow {
+        private Integer id;
+        private String type;
+        private String description;
+        private String scene;
+
+        public Integer getId() { return id; }
+        public void setId(Integer id) { this.id = id; }
+        public String getType() { return type; }
+        public void setType(String type) { this.type = type; }
+        public String getDescription() { return description; }
+        public void setDescription(String description) { this.description = description; }
+        public String getScene() { return scene; }
+        public void setScene(String scene) { this.scene = scene; }
+    }
+}

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

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

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

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

@@ -0,0 +1,51 @@
+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.ProductValuePositioningStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidationResult;
+import com.sztzjy.linkCommerce.service.ProductValuePositioningStepOneService;
+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 ProductValuePositioningStepOneServiceImpl implements ProductValuePositioningStepOneService {
+    private static final List<String> TYPES = Arrays.asList("核心痛点1", "核心痛点2", "核心痛点3", "弱需求", "伪需求");
+
+    @Override
+    public ProductValuePositioningStepOneValidationResult validate(ProductValuePositioningStepOneValidationRequest request, JwtUser user) {
+        requireStudent(user);
+        List<ProductValuePositioningStepOneValidationRequest.CorePainRow> rows = request == null ? null : request.getRows();
+        if (rows == null || rows.size() != TYPES.size()) {
+            throw badRequest("请完成 3 个核心痛点、弱需求和伪需求的分析");
+        }
+        for (int index = 0; index < TYPES.size(); index++) {
+            ProductValuePositioningStepOneValidationRequest.CorePainRow row = rows.get(index);
+            if (row == null || row.getId() == null || row.getId() != index + 1 || !TYPES.get(index).equals(row.getType())
+                    || StringUtils.isBlank(row.getDescription()) || StringUtils.isBlank(row.getScene())) {
+                throw badRequest("请按固定分类完整填写需求描述和场景描述");
+            }
+        }
+        ProductValuePositioningStepOneValidationResult result = new ProductValuePositioningStepOneValidationResult();
+        result.setValid(true);
+        result.setMessage("核心痛点分类填写完整。");
+        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/ProductValuePositioningStepOneServiceImplTest.java

@@ -0,0 +1,64 @@
+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.ProductValuePositioningStepOneValidationRequest;
+import com.sztzjy.linkCommerce.entity.dto.ProductValuePositioningStepOneValidationResult;
+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 ProductValuePositioningStepOneServiceImplTest {
+    private final ProductValuePositioningStepOneServiceImpl service = new ProductValuePositioningStepOneServiceImpl();
+
+    @Test
+    void acceptsCompleteFixedPainCategories() {
+        ProductValuePositioningStepOneValidationResult result = service.validate(request(), student());
+
+        assertTrue(result.isValid());
+    }
+
+    @Test
+    void rejectsChangedCategoryOrder() {
+        ProductValuePositioningStepOneValidationRequest request = request();
+        request.getRows().get(0).setType("弱需求");
+
+        assertThrows(ServiceException.class, () -> service.validate(request, student()));
+    }
+
+    @Test
+    void rejectsBlankScene() {
+        ProductValuePositioningStepOneValidationRequest request = request();
+        request.getRows().get(2).setScene(" ");
+
+        assertThrows(ServiceException.class, () -> service.validate(request, student()));
+    }
+
+    private ProductValuePositioningStepOneValidationRequest request() {
+        List<String> types = Arrays.asList("核心痛点1", "核心痛点2", "核心痛点3", "弱需求", "伪需求");
+        List<ProductValuePositioningStepOneValidationRequest.CorePainRow> rows = new ArrayList<>();
+        for (int index = 0; index < types.size(); index++) {
+            ProductValuePositioningStepOneValidationRequest.CorePainRow row = new ProductValuePositioningStepOneValidationRequest.CorePainRow();
+            row.setId(index + 1);
+            row.setType(types.get(index));
+            row.setDescription("需求描述" + (index + 1));
+            row.setScene("场景描述" + (index + 1));
+            rows.add(row);
+        }
+        ProductValuePositioningStepOneValidationRequest request = new ProductValuePositioningStepOneValidationRequest();
+        request.setRows(rows);
+        return request;
+    }
+
+    private JwtUser student() {
+        JwtUser user = new JwtUser();
+        user.setUserId("student-id");
+        user.setRoleId(4);
+        return user;
+    }
+}