feature: [评论的屏蔽字-DFA算法]

src/main/java/com/guwan/backend/constant/SensitiveWordConstants.java

@@ -0,0 +1,11 @@
+package com.guwan.backend.constant;
+
+import java.util.Set;
+
+public class SensitiveWordConstants {
+    public static final Set<String> SENSITIVE_WORD = Set.of(
+            "傻瓜",
+            "笨蛋",
+            "白痴"
+    );
+}

src/main/java/com/guwan/backend/service/impl/ReviewServiceImpl.java

@@ -2,6 +2,8 @@ package com.guwan.backend.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.guwan.backend.constant.SensitiveWordConstants;
+import com.guwan.backend.filter.SensitiveWordFilter;
 import com.guwan.backend.mapper.RatingDistributionMapper;
 import com.guwan.backend.mapper.ReviewMapper;
 import com.guwan.backend.pojo.dto.SubmitReviewDTO;
@@ -13,7 +15,10 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Arrays;
 import java.util.Date;
+import java.util.HashSet;
+import java.util.Set;
 
 /**
 * @author 12455
@@ -40,7 +45,14 @@ public class ReviewServiceImpl extends ServiceImpl<ReviewMapper, Review>
         review.setUserId(String.valueOf(submitReviewDTO.getUserId()));
         Integer rating = submitReviewDTO.getRating();
         review.setRating(rating);
-        review.setContent(submitReviewDTO.getContent());
+        // TODO DFA算法
+
+        SensitiveWordFilter filter = new SensitiveWordFilter(SensitiveWordConstants.SENSITIVE_WORD);
+
+        String content = submitReviewDTO.getContent();
+        content = filter.replace(content);
+
+        review.setContent(content);
         review.setDate(new Date());
         review.setCreatedAt(new Date());
         review.setUpdatedAt(new Date());