添加项目文件。

User.Domain/Entities/Role.cs

@@ -0,0 +1,13 @@
+using MassTransit;
+using Microsoft.AspNetCore.Identity;
+
+namespace IdentityService.Domain.Entities
+{
+    public class Role : IdentityRole<Guid>
+    {
+        public Role()
+        {
+            Id = NewId.NextGuid();
+        }
+    }
+}

User.Domain/Entities/User.cs

@@ -0,0 +1,130 @@
+using IdentityService.Domain.Events;
+using IM.DomainCommons;
+using MassTransit;
+using MediatR;
+using Microsoft.AspNetCore.Identity;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace IdentityService.Domain.Entities
+{
+    public class User : IdentityUser<Guid>, IHasCreationTime, IHasDeletionTime, ISoftDelete, IDomainEvents, IHasModificationTime
+    {
+        [NotMapped]
+        public List<INotification> domainEvents = [];
+
+        /// <summary>
+        /// 用户昵称
+        /// </summary>
+        public string NickName { get; private set; } = null!;
+        /// <summary>
+        /// 用户签名
+        /// </summary>
+        public string Description { get; private set; } = "";
+        /// <summary>
+        /// 地区
+        /// </summary>
+        public string Region { get; private set; } = "未知地区";
+
+        /// <summary>
+        /// 用户在线状态
+        /// 0（默认）：不在线
+        /// 1：在线
+        /// </summary>
+        //public UserOnlineState OnlineStatus { get; private set; }
+
+
+        /// <summary>
+        /// 账户状态
+        /// (0：未激活,1：正常,2：封禁)
+        /// </summary>
+        public UserState Status { get; private set; }
+
+        /// <summary>
+        /// 用户头像链接
+        /// </summary>
+        public string? Avatar { get; private set; }
+
+        public DateTimeOffset CreationTime { get; private set; } = DateTime.Now;
+
+        public DateTimeOffset? Deletion { get; private set; }
+
+        public bool IsDeleted { get; private set; }
+
+        public DateTimeOffset? ModificationTime { get; private set; }
+
+        private User() { }
+        public User(string username, string nickName)
+        {
+            Id = NewId.NextGuid();
+            UserName = username;
+            NickName = nickName;
+        }
+
+        public void Ban(string reason)
+        {
+            if (this.Status == UserState.Banned) return;
+            this.Status = UserState.Banned;
+
+            AddDomainEvent(new UserBannedDomainEvent(this.Id, reason));
+        }
+
+        public void Update(string? nickName, string? region, string? avatar, string? desc)
+        {
+            if (nickName != null)
+            {
+                if (nickName.Trim() == string.Empty) throw new DomainException("昵称不可为空");
+                if (nickName.Length > 20) throw new DomainException("昵称不可大于20");
+                this.NickName = nickName;
+            }
+
+            if (region != null)
+            {
+                if (region.Trim() == string.Empty) throw new DomainException("地区不可为空");
+                if (region.Length > 20) throw new DomainException("地区不可大于20");
+                this.Region = region;
+            }
+
+            if (avatar != null)
+            {
+
+                this.Avatar = avatar;
+            }
+
+            if (desc != null)
+            {
+                this.Description = desc;
+            }
+
+            ModificationTime = DateTime.Now;
+            AddDomainEvent(new UserProfileUpdateDomainEvent(this));
+        }
+
+        public void SoftDelete()
+        {
+            this.IsDeleted = true;
+        }
+
+        public IEnumerable<INotification> GetDomainEvents()
+        {
+            return domainEvents;
+        }
+
+        public void AddDomainEvent(INotification eventItem)
+        {
+            domainEvents.Add(eventItem);
+        }
+
+        public void AddDomainEventIfAbsent(INotification eventItem)
+        {
+            if (!domainEvents.Contains(eventItem))
+            {
+                domainEvents.Add(eventItem);
+            }
+        }
+
+        public void ClearDomainEvents()
+        {
+            domainEvents.Clear();
+        }
+    }
+}