72 lines
2.6 KiB
C#
72 lines
2.6 KiB
C#
using Yi.Framework.Infrastructure.CurrentUsers;
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using Yi.Framework.Infrastructure.Ddd.Repositories;
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using Yi.Framework.Infrastructure.Ddd.Services;
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using Yi.Framework.Infrastructure.Ddd.Services.Abstract;
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using Yi.Framework.Infrastructure.Exceptions;
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using Yi.Furion.Core.Bbs.Dtos.Argee;
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using Yi.Furion.Core.Bbs.Entities;
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namespace Yi.Furion.Application.Bbs.Services.Impl
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{
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/// <summary>
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/// 点赞功能
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/// </summary>
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public class AgreeService : ApplicationService, IApplicationService, IDynamicApiController, ITransient
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{
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public AgreeService(IRepository<AgreeEntity> repository, IRepository<DiscussEntity> discssRepository, ICurrentUser currentUser)
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{
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_repository = repository;
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_currentUser = currentUser;
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_discssRepository = discssRepository;
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}
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private IRepository<AgreeEntity> _repository { get; set; }
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private IRepository<DiscussEntity> _discssRepository { get; set; }
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private ICurrentUser _currentUser { get; set; }
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/// <summary>
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/// 点赞,返回true为点赞+1，返回false为点赞-1
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/// </summary>
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/// <returns></returns>
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[UnitOfWork]
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public async Task<AgreeDto> PostOperateAsync(long discussId)
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{
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var entity = await _repository.GetFirstAsync(x => x.DiscussId == discussId && x.CreatorId == _currentUser.Id);
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//判断是否已经点赞过
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if (entity is null)
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{
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//没点赞过，添加记录即可，,修改总点赞数量
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await _repository.InsertAsync(new AgreeEntity(discussId));
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var discussEntity = await _discssRepository.GetByIdAsync(discussId);
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if (discussEntity is null)
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{
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throw new UserFriendlyException("主题为空");
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}
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discussEntity.AgreeNum += 1;
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await _discssRepository.UpdateAsync(discussEntity);
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return new AgreeDto(true);
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}
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else
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{
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//点赞过，删除即可,修改总点赞数量
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await _repository.DeleteByIdAsync(entity.Id);
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var discussEntity = await _discssRepository.GetByIdAsync(discussId);
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if (discussEntity is null)
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{
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throw new UserFriendlyException("主题为空");
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}
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discussEntity.AgreeNum -= 1;
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await _discssRepository.UpdateAsync(discussEntity);
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return new AgreeDto(false);
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}
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}
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}
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}
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