47 lines
1.9 KiB
C#
47 lines
1.9 KiB
C#
using SqlSugar;
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using System.Threading.Tasks;
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using Yi.Framework.Interface.BBS;
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using Yi.Framework.Model.BBS.Entitys;
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using Yi.Framework.Repository;
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using Yi.Framework.Service.Base;
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namespace Yi.Framework.Service.BBS
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{
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public partial class AgreeService : BaseService<AgreeEntity>, IAgreeService
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{
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public AgreeService(IRepository<AgreeEntity> repository) : base(repository)
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{
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}
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/// <summary>
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/// 点赞操作
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/// </summary>
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/// <returns></returns>
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public async Task<bool> OperateAsync(long articleOrCommentId, long userId)
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{
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var _articleRepositoty = _repository.ChangeRepository<Repository<ArticleEntity>>();
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var article = await _articleRepositoty.GetByIdAsync(articleOrCommentId);
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if (await _repository.IsAnyAsync(u => u.UserId == userId && u.ArticleOrCommentId == articleOrCommentId))
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{
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//已点赞，取消点赞
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await _repository.UseTranAsync(async () =>
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{
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await _repository.DeleteAsync(u => u.UserId == userId && u.ArticleOrCommentId == articleOrCommentId);
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await _articleRepositoty.UpdateIgnoreNullAsync(new ArticleEntity { Id = articleOrCommentId, AgreeNum = article.AgreeNum - 1 });
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});
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return false;
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}
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else
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{
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//未点赞，添加点赞记录
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await _repository.UseTranAsync(async () =>
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{
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await _repository.InsertReturnSnowflakeIdAsync(new AgreeEntity { UserId = userId, ArticleOrCommentId = articleOrCommentId });
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await _articleRepositoty.UpdateIgnoreNullAsync(new ArticleEntity { Id = articleOrCommentId, AgreeNum = article.AgreeNum + 1 });
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});
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return true;
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}
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}
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}
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}
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