feature1.0.0-img:添加关注功能

bnyer-common/bnyer-common-core/src/main/java/com/bnyer/common/core/utils/RedisKeyUtil.java

@@ -0,0 +1,31 @@
+package com.bnyer.common.core.utils;
+
+/**
+ * @author chengkun
+ * @date 2022/9/17 15:53
+ */
+
+public class RedisKeyUtil {
+
+    private static final String SPLIT = ":";
+    private static final String PREFIX_FOLLOWEE = "followee";
+    private static final String PREFIX_FOLLOWER = "follower";
+
+
+    //某个用户关注的实体（键：用户Id，值：实体Id）
+    //followee:【userId:entityType】->zset(entityId,now)
+    public static String getFolloweeKey(Long userId, Long creatorId,String platform) {
+        return PREFIX_FOLLOWEE + SPLIT + userId + SPLIT + creatorId + SPLIT + platform;
+    }
+
+
+    //某个实体拥有的粉丝（键：实体Id，值：用户Id)
+    //follower:【entityType:entityId】->zset(userId,now)
+    public static String getFollowerKey(Long userId, Long creatorId,String platform) {
+        return PREFIX_FOLLOWER + SPLIT + creatorId + SPLIT + userId + SPLIT + platform;
+    }
+    //entityType不可以删除，userId和entityId值会有重复，需要借助entityType构成键的一部分加以区分，【不对】
+    //entityType不可以删除，Id值相同的情况下，需要借助entityType以示区分
+
+}
+

bnyer-common/bnyer-common-redis/src/main/java/com/bnyer/common/redis/service/RedisService.java

@@ -3,6 +3,8 @@ package com.bnyer.common.redis.service;
 import java.time.Duration;
 import java.util.*;
 import java.util.concurrent.TimeUnit;
+
+import org.apache.poi.ss.formula.functions.T;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.*;
 import org.springframework.data.redis.core.script.DefaultRedisScript;
@@ -167,6 +169,18 @@ public class RedisService
         return setOperation;
     }
 
+    public void zSetCacheObject(final String redisKey, final T value, double score){
+        redisTemplate.opsForZSet().add(redisKey, value, score);
+    }
+
+    public void zSetRemove(final String redisKey, T value) {
+        redisTemplate.opsForZSet().remove(redisKey, value);
+    }
+
+    public long zCardGet(final String redisKey){
+        return redisTemplate.opsForZSet().zCard(redisKey);
+    }
+
     /**
      * 获得缓存的set
      *

bnyer-services/bnyer-img/src/main/java/com/bnyer/img/service/FollowService.java

@@ -0,0 +1,24 @@
+package com.bnyer.img.service;
+
+/**
+ * @author chengkun
+ * @date 2022/9/17 15:54
+ */
+public interface FollowService {
+
+    /**
+     * 关注艺术家
+     * @param userId 用户id
+     * @param creatorId 艺术家id
+     * @param platform 平台
+     */
+    void follow(Long userId,Long creatorId,String platform);
+
+    /**
+     * 取消关注
+     * @param userId 用户id
+     * @param creatorId 艺术家id
+     * @param platform 平台
+     */
+    void unFollow(Long userId,Long creatorId,String platform);
+}

bnyer-services/bnyer-img/src/main/java/com/bnyer/img/service/impl/FollowServiceImpl.java

@@ -0,0 +1,37 @@
+package com.bnyer.img.service.impl;
+
+import com.bnyer.common.core.utils.RedisKeyUtil;
+import com.bnyer.common.redis.service.RedisService;
+import com.bnyer.img.service.FollowService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Service;
+
+/**
+ * @author chengkun
+ * @date 2022/9/17 16:18
+ */
+@Service
+public class FollowServiceImpl implements FollowService {
+
+    @Autowired
+    private RedisService redisService;
+
+    @Autowired
+    private RedisTemplate redisTemplate;
+
+
+    @Override
+    public void follow(Long userId, Long creatorId, String platform) {
+        //关注键
+        String followeeKey = RedisKeyUtil.getFolloweeKey(userId, creatorId, platform);
+        //粉丝键
+        String followerKey = RedisKeyUtil.getFollowerKey(userId, creatorId, platform);
+
+    }
+
+    @Override
+    public void unFollow(Long userId, Long creatorId, String platform) {
+
+    }
+}