feat：全基础流程跑通

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

@@ -0,0 +1,107 @@
+using SqlSugar;
+using Yi.Framework.Infrastructure.CurrentUsers;
+using Yi.Framework.Infrastructure.Ddd.Dtos;
+using Yi.Framework.Infrastructure.Ddd.Repositories;
+using Yi.Framework.Infrastructure.Ddd.Services;
+using Yi.Framework.Infrastructure.Exceptions;
+using Yi.Furion.Application.Bbs.Domain;
+using Yi.Furion.Core.Bbs.Consts;
+using Yi.Furion.Core.Bbs.Dtos.Comment;
+using Yi.Furion.Core.Bbs.Entities;
+
+namespace Yi.Furion.Application.Bbs.Services.Impl
+{
+    /// <summary>
+    /// 评论
+    /// </summary>
+    public class CommentService : CrudAppService<CommentEntity, CommentGetOutputDto, CommentGetListOutputDto, long, CommentGetListInputVo, CommentCreateInputVo, CommentUpdateInputVo>,
+       ICommentService, IDynamicApiController, ITransient
+    {
+
+        public CommentService(ForumManager forumManager, ICurrentUser currentUser, IRepository<DiscussEntity> discussRepository, IDiscussService discussService)
+        {
+            _forumManager = forumManager;
+            _currentUser = currentUser;
+            _discussRepository = discussRepository;
+            _discussService=discussService;
+        }
+
+        private ForumManager _forumManager { get; set; }
+
+
+        private ICurrentUser _currentUser { get; set; }
+
+        private IRepository<DiscussEntity> _discussRepository { get; set; }
+
+        private IDiscussService _discussService { get; set; }
+        /// <summary>
+        /// 获取改主题下的评论,结构为二维列表，该查询无分页
+        /// </summary>
+        /// <param name="discussId"></param>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        public async Task<PagedResultDto<CommentGetListOutputDto>> GetDiscussIdAsync([FromRoute] long discussId, [FromQuery] CommentGetListInputVo input)
+        {
+            await _discussService.VerifyDiscussPermissionAsync(discussId);
+
+            var entities = await _DbQueryable.WhereIF(!string.IsNullOrEmpty(input.Content), x => x.Content.Contains(input.Content))
+              .Where(x => x.DiscussId == discussId)
+              .Includes(x => x.CreateUser)
+             .ToListAsync();
+
+            //结果初始值，第一层等于全部根节点
+            var outPut = entities.Where(x => x.ParentId == 0).OrderByDescending(x => x.CreationTime).ToList();
+
+            //将全部数据进行hash
+            var dic = entities.ToDictionary(x => x.Id);
+
+
+            foreach (var comment in entities)
+            {
+                //不是根节点，需要赋值 被评论者用户信息等
+                if (comment.ParentId != 0)
+                {
+                    var parentComment = dic[comment.ParentId];
+                    comment.CommentedUser = parentComment.CreateUser;
+                }
+
+                //root或者parent id，根节点都是等于0的
+                var id = comment.RootId;
+                if (id is not 0)
+                {
+                    dic[id].Children.Add(comment);
+                }
+
+            }
+
+            //子类需要排序
+            outPut.ForEach(x =>
+            {
+                x.Children = x.Children.OrderByDescending(x => x.CreationTime).ToList();
+
+            });
+
+            //获取全量主题评论， 先获取顶级的，将其他子组合到顶级下，形成一个二维,先转成dto
+            List<CommentGetListOutputDto> items = await MapToGetListOutputDtosAsync(outPut);
+            return new PagedResultDto<CommentGetListOutputDto>(entities.Count(), items);
+        }
+
+
+        /// <summary>
+        /// 发表评论
+        /// </summary>
+        /// <param name="input"></param>
+        /// <returns></returns>
+        /// <exception cref="UserFriendlyException"></exception>
+        public override async Task<CommentGetOutputDto> CreateAsync(CommentCreateInputVo input)
+        {
+            if (!await _discussRepository.IsAnyAsync(x => x.Id == input.DiscussId))
+            {
+                throw new UserFriendlyException(DiscussConst.主题不存在);
+            }
+            var entity = await _forumManager.CreateCommentAsync(input.DiscussId, input.ParentId, input.RootId, input.Content);
+            return await MapToGetOutputDtoAsync(entity);
+        }
+
+    }
+}