bugfix:用户关注店铺 详情回显

alien-entity/src/main/java/shop/alien/entity/store/vo/StoreInfoVo.java

@@ -148,6 +148,9 @@ public class StoreInfoVo extends StoreInfo {
     @ApiModelProperty(value = "是否收藏")
     private Integer collection;
 
+    @ApiModelProperty(value = "是否关注（1：已关注，0：未关注）")
+    private Integer isFollowed;
+
     @ApiModelProperty(value = "优惠券列表")
     private List<LifeCouponVo> couponList;
 

alien-store/src/main/java/shop/alien/store/service/impl/StoreInfoServiceImpl.java

@@ -5736,6 +5736,44 @@ public class StoreInfoServiceImpl extends ServiceImpl<StoreInfoMapper, StoreInfo
             result.setCollection(1);
         }
 
+        // 当前登录用户是否关注该店铺
+        if (StringUtils.isNotEmpty(userId) && storeUser != null && StringUtils.isNotEmpty(storeUser.getPhone())) {
+            try {
+                // userId是用户ID（数字），查询用户信息获取手机号
+                Integer userIdInt = Integer.parseInt(userId);
+                LifeUser lifeUser = lifeUserMapper.selectById(userIdInt);
+                
+                if (lifeUser != null && StringUtils.isNotEmpty(lifeUser.getUserPhone())) {
+                    // 构造关注关系：followed_id = "store_" + 店铺手机号，fans_id = "user_" + 用户手机号
+                    String followedId = "store_" + storeUser.getPhone();
+                    String fansId = "user_" + lifeUser.getUserPhone();
+
+                    // 查询关注关系
+                    LambdaQueryWrapper<LifeFans> fansWrapper = new LambdaQueryWrapper<>();
+                    fansWrapper.eq(LifeFans::getFollowedId, followedId)
+                            .eq(LifeFans::getFansId, fansId)
+                            .eq(LifeFans::getDeleteFlag, 0);
+                    LifeFans lifeFans = lifeFansMapper.selectOne(fansWrapper);
+
+                    if (lifeFans != null) {
+                        result.setIsFollowed(1); // 已关注
+                    } else {
+                        result.setIsFollowed(0); // 未关注
+                    }
+                } else {
+                    result.setIsFollowed(0); // 无法获取用户手机号，默认未关注
+                }
+            } catch (NumberFormatException e) {
+                log.error("用户ID格式错误 - userId: {}, storeId: {}, error: {}", userId, storeId, e.getMessage());
+                result.setIsFollowed(0); // 用户ID格式错误，默认未关注
+            } catch (Exception e) {
+                log.error("查询用户关注状态失败 - userId: {}, storeId: {}, error: {}", userId, storeId, e.getMessage(), e);
+                result.setIsFollowed(0); // 查询失败，默认未关注
+            }
+        } else {
+            result.setIsFollowed(0); // 用户ID或店铺信息为空，默认未关注
+        }
+
         // 该用户的打卡记录
         LambdaQueryWrapper<StoreClockIn> clockInWrapper = new LambdaQueryWrapper<>();
         clockInWrapper.eq(StoreClockIn::getUserId, userId);