66 lines
2.7 KiB
C#
66 lines
2.7 KiB
C#
using System.Collections.Generic;
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using System.Threading.Tasks;
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namespace LiveForum.IService.Posts
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{
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/// <summary>
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/// 点赞服务接口
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/// </summary>
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public interface ILikeService
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{
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/// <summary>
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/// 查询是否已点赞（优先Redis，再查数据库）
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/// </summary>
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/// <param name="userId">用户ID</param>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetId">目标ID</param>
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/// <returns>是否已点赞</returns>
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Task<bool> IsLikedAsync(long userId, int targetType, long targetId);
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/// <summary>
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/// 获取点赞数（优先Redis，再查数据库）
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/// </summary>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetId">目标ID</param>
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/// <returns>点赞数</returns>
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Task<int> GetLikeCountAsync(int targetType, long targetId);
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/// <summary>
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/// 批量查询点赞状态
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/// </summary>
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/// <param name="userId">用户ID</param>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetIds">目标ID列表</param>
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/// <returns>目标ID到是否点赞的映射</returns>
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Task<Dictionary<long, bool>> BatchIsLikedAsync(long userId, int targetType, List<long> targetIds);
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/// <summary>
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/// 批量查询点赞数
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/// </summary>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetIds">目标ID列表</param>
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/// <returns>目标ID到点赞数的映射</returns>
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Task<Dictionary<long, int>> BatchGetLikeCountAsync(int targetType, List<long> targetIds);
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/// <summary>
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/// 执行点赞操作（Redis+队列）
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/// </summary>
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/// <param name="userId">用户ID</param>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetId">目标ID</param>
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/// <param name="receiverId">接收者ID（用于消息通知）</param>
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/// <returns>是否操作成功</returns>
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Task<bool> LikeAsync(long userId, int targetType, long targetId, long receiverId);
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/// <summary>
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/// 执行取消点赞操作（Redis+队列）
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/// </summary>
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/// <param name="userId">用户ID</param>
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/// <param name="targetType">目标类型：1-帖子，2-评论</param>
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/// <param name="targetId">目标ID</param>
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/// <returns>是否操作成功</returns>
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Task<bool> UnlikeAsync(long userId, int targetType, long targetId);
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}
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}
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