feat：全基础流程跑通

Yi.Furion.Net6/Yi.Furion.Core/Bbs/Entities/ArticleEntity.cs

@@ -0,0 +1,58 @@
+using System.Collections.Generic;
+using System.Linq;
+using SqlSugar;
+using Yi.Framework.Infrastructure.Data.Entities;
+using Yi.Framework.Infrastructure.Ddd.Entities;
+
+namespace Yi.Furion.Core.Bbs.Entities
+{
+    [SugarTable("Article")]
+    public class ArticleEntity : IEntity<long>, ISoftDelete
+    {
+        [SugarColumn(IsPrimaryKey = true)]
+        public long Id { get; set; }
+        public bool IsDeleted { get; set; }
+
+        [SugarColumn(Length = 999999)]
+        public string Content { get; set; }
+        public string Name { get; set; }
+
+
+        public long DiscussId { get; set; }
+
+        public long ParentId { get; set; }
+
+        [SugarColumn(IsIgnore = true)]
+
+        public List<ArticleEntity> Children { get; set; }
+    }
+
+    public static class ArticleEntityExtensions
+    {
+        /// <summary>
+        /// 平铺自己
+        /// </summary>
+        /// <param name="entities"></param>
+        /// <returns></returns>
+        public static List<ArticleEntity> Tile(this List<ArticleEntity> entities)
+        {
+            if (entities is null) return new List<ArticleEntity>();
+            var result = new List<ArticleEntity>();
+            return StartRecursion(entities, result);
+        }
+
+        private static List<ArticleEntity> StartRecursion(List<ArticleEntity> entities, List<ArticleEntity> result)
+        {
+            foreach (var entity in entities)
+            {
+                result.Add(entity);
+                if (entity.Children is not null && entity.Children.Where(x => x.IsDeleted == false).Count() > 0)
+                {
+                    StartRecursion(entity.Children, result);
+                }
+            }
+            return result;
+        }
+
+    }
+}