feat: 新增公告功能

Yi.Abp.Net8/module/ai-hub/Yi.Framework.AiHub.Domain/Entities/AnnouncementLogAggregateRoot.cs

@@ -0,0 +1,44 @@
+using SqlSugar;
+using Volo.Abp.Domain.Entities.Auditing;
+
+namespace Yi.Framework.AiHub.Domain.Entities;
+
+/// <summary>
+/// 公告日志
+/// </summary>
+[SugarTable("Ai_AnnouncementLog")]
+[SugarIndex($"index_{nameof(Date)}", nameof(Date), OrderByType.Desc)]
+public class AnnouncementLogAggregateRoot : FullAuditedAggregateRoot<Guid>
+{
+    public AnnouncementLogAggregateRoot()
+    {
+    }
+
+    public AnnouncementLogAggregateRoot(DateTime date, string title, List<string> content)
+    {
+        Date = date;
+        Title = title;
+        Content = content;
+    }
+
+    /// <summary>
+    /// 日期
+    /// </summary>
+    public DateTime Date { get; set; }
+
+    /// <summary>
+    /// 标题
+    /// </summary>
+    public string Title { get; set; } = string.Empty;
+
+    /// <summary>
+    /// 内容列表（JSON格式存储）
+    /// </summary>
+    [SugarColumn(IsJson = true, IsNullable = false)]
+    public List<string> Content { get; set; } = new List<string>();
+
+    /// <summary>
+    /// 备注
+    /// </summary>
+    public string? Remark { get; set; }
+}