feat: 完成ai-hub第一期功能

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

@@ -0,0 +1,34 @@
+using SqlSugar;
+using Volo.Abp.Domain.Entities.Auditing;
+
+namespace Yi.Framework.AiHub.Domain.Entities;
+
+[SugarTable("Ai_Message")]
+[SugarIndex($"index_{{table}}_{nameof(UserId)}_{nameof(SessionId)}",
+    $"{nameof(UserId)}", OrderByType.Desc,
+    $"{nameof(SessionId)}", OrderByType.Desc
+)]
+public class MessageAggregateRoot : FullAuditedAggregateRoot<Guid>
+{
+    public MessageAggregateRoot()
+    {
+    }
+
+    public MessageAggregateRoot(Guid userId, Guid sessionId, string content, string role, string modelId)
+    {
+        UserId = userId;
+        SessionId = sessionId;
+        Content = content;
+        Role = role;
+        ModelId = modelId;
+    }
+
+    public Guid UserId { get; set; }
+    public Guid SessionId { get; set; }
+    public string Content { get; set; }
+    public string Role { get; set; }
+    public decimal DeductCost { get; set; }
+    public decimal TotalTokens { get; set; }
+    public string ModelId { get; set; }
+    public string Remark { get; set; }
+}