Method acquireLock

internal/repository/cache/post.go:447–449

辅助方法: 获取分布式锁

(ctx context.Context, lockKey string, expiration time.Duration)

// 辅助方法: 获取分布式锁
func (c *postCache) acquireLock(ctx context.Context, lockKey string, expiration time.Duration) (bool, error) {
	return c.client.SetNX(ctx, lockKey, "1", expiration).Result()
}

// 辅助方法: 释放分布式锁
func (c *postCache) releaseLock(ctx context.Context, lockKey string) {