feat：全基础流程跑通

Yi.Furion.Net6/Yi.Furion.Application/Bbs/Services/Impl/AgreeService.cs

@@ -0,0 +1,71 @@
+using Yi.Framework.Infrastructure.CurrentUsers;
+using Yi.Framework.Infrastructure.Ddd.Repositories;
+using Yi.Framework.Infrastructure.Ddd.Services;
+using Yi.Framework.Infrastructure.Ddd.Services.Abstract;
+using Yi.Framework.Infrastructure.Exceptions;
+using Yi.Furion.Core.Bbs.Dtos.Argee;
+using Yi.Furion.Core.Bbs.Entities;
+
+namespace Yi.Furion.Application.Bbs.Services.Impl
+{
+    /// <summary>
+    /// 点赞功能
+    /// </summary>
+    public class AgreeService : ApplicationService, IApplicationService, IDynamicApiController, ITransient
+    {
+        public AgreeService(IRepository<AgreeEntity> repository, IRepository<DiscussEntity> discssRepository, ICurrentUser currentUser)
+        {
+            _repository = repository;
+            _currentUser = currentUser;
+            _discssRepository = discssRepository;
+        }
+
+        private IRepository<AgreeEntity> _repository { get; set; }
+
+        private IRepository<DiscussEntity> _discssRepository { get; set; }
+        private ICurrentUser _currentUser { get; set; }
+
+
+        /// <summary>
+        /// 点赞,返回true为点赞+1，返回false为点赞-1
+        /// </summary>
+        /// <returns></returns>
+        [UnitOfWork]
+        public async Task<AgreeDto> PostOperateAsync(long discussId)
+        {
+            var entity = await _repository.GetFirstAsync(x => x.DiscussId == discussId && x.CreatorId == _currentUser.Id);
+            //判断是否已经点赞过
+            if (entity is null)
+            {
+
+                //没点赞过，添加记录即可，,修改总点赞数量
+                await _repository.InsertAsync(new AgreeEntity(discussId));
+                var discussEntity = await _discssRepository.GetByIdAsync(discussId);
+                if (discussEntity is null)
+                {
+                    throw new UserFriendlyException("主题为空");
+                }
+                discussEntity.AgreeNum += 1;
+                await _discssRepository.UpdateAsync(discussEntity);
+
+                return new AgreeDto(true);
+
+            }
+            else
+            {
+
+                //点赞过，删除即可,修改总点赞数量
+                await _repository.DeleteByIdAsync(entity.Id);
+                var discussEntity = await _discssRepository.GetByIdAsync(discussId);
+                if (discussEntity is null)
+                {
+                    throw new UserFriendlyException("主题为空");
+                }
+                discussEntity.AgreeNum -= 1;
+                await _discssRepository.UpdateAsync(discussEntity);
+
+                return new AgreeDto(false);
+            }
+        }
+    }
+}