auto id length in bi ref: workspace

app/models/library.py

@@ -1,14 +1,28 @@
+from typing import TYPE_CHECKING
 from sqlalchemy import Column, DateTime, String, ForeignKey, BigInteger
 from sqlalchemy.sql import func
 from .base import AutoID, Base
 
+if TYPE_CHECKING:
+    from .user import User
+    from .workspace import Workspace
+
 class LibraryItem(Base, AutoID):
     """工作区共享媒体/文件资源库"""
     __tablename__ = "library_items"
 
-    workspace_id = Column(String(32), ForeignKey("workspaces.id", ondelete="CASCADE"), index=True)
+    workspace_id = Column(
+        String(Workspace.id_length()),
+        ForeignKey("workspaces.id", ondelete="CASCADE"),
+        index=True,
+    )
     # 自引用外键，支持无限级文件夹嵌套
-    parent_id = Column(String(32), ForeignKey("library_items.id", ondelete="CASCADE"), nullable=True, index=True)
+    parent_id = Column(
+        String(AutoID.id_length()),
+        ForeignKey("library_items.id", ondelete="CASCADE"),
+        nullable=True,
+        index=True,
+    )
 
     name = Column(String, nullable=False)
     # 节点类型：'folder' (文件夹) 或 'file' (真实文件)
@@ -19,5 +33,9 @@ class LibraryItem(Base, AutoID):
     file_size = Column(BigInteger, nullable=True)  # 文件大小（字节数 Bytes），用于统计容量占用
     mime_type = Column(String, nullable=True)      # 媒体类型，例如 'image/jpeg', 'video/mp4', 'application/pdf'
     
-    uploaded_by = Column(String(32), ForeignKey("users.id", ondelete="SET NULL"), nullable=True)
+    uploaded_by = Column(
+        String(User.id_length()),
+        ForeignKey("users.id", ondelete="SET NULL"),
+        nullable=True,
+    )
     created_at = Column(DateTime(timezone=True), server_default=func.now())

app/models/project.py

@@ -1,14 +1,27 @@
+from typing import TYPE_CHECKING
 from sqlalchemy import Column, DateTime, String, ForeignKey, Integer
 from sqlalchemy.sql import func
 from .base import AutoID, Base
 
+if TYPE_CHECKING:
+    from .workspace import Workspace
+
 class ProjectItem(Base, AutoID):
     """项目与文件夹的树状虚拟文件系统"""
     __tablename__ = "project_items"
 
-    workspace_id = Column(String(32), ForeignKey("workspaces.id", ondelete="CASCADE"), index=True)
+    workspace_id = Column(
+        String(Workspace.id_length()),
+        ForeignKey("workspaces.id", ondelete="CASCADE"),
+        index=True,
+    )
     # 自引用外键：如果是根目录下的顶级节点，则 parent_id 为 Null
-    parent_id = Column(String(32), ForeignKey("project_items.id", ondelete="CASCADE"), nullable=True, index=True)
+    parent_id = Column(
+        String(AutoID.id_length()),     # 其实调用的就是自身的 id_length 方法
+        ForeignKey("project_items.id", ondelete="CASCADE"),
+        nullable=True,
+        index=True,
+    )
     
     name = Column(String, nullable=False)
     # 节点类型：'folder' (文件夹) 或 'project' (代表具体文件的项目实体)

app/models/user.py

@@ -1,4 +1,4 @@
-from sqlalchemy import Column, DateTime, String
+from sqlalchemy import Column, DateTime, String, Integer
 from sqlalchemy.sql import func
 
 from .base import AutoID, Base
@@ -17,6 +17,12 @@ class User(Base, AutoID):
     handle = Column(String, unique=True, index=True, nullable=True)
     avatar = Column(String)
     
+    # ---- 互动统计字段 ----
+    following_count = Column(Integer, default=0, nullable=False, server_default="0")            # 关注了多少人
+    follower_count = Column(Integer, default=0, nullable=False, server_default="0")             # 粉丝数
+    likes_received_count = Column(Integer, default=0, nullable=False, server_default="0")       # 收到的点赞数
+    favorites_received_count = Column(Integer, default=0, nullable=False, server_default="0")   # 收到的收藏数
+
     created_at = Column(DateTime(timezone=True), server_default=func.now())
 
     def __repr__(self):

app/models/workspace.py

@@ -1,7 +1,11 @@
+from typing import TYPE_CHECKING
 from sqlalchemy import Column, DateTime, String, ForeignKey, BigInteger, UniqueConstraint
 from sqlalchemy.sql import func
 from .base import AutoID, Base
 
+if TYPE_CHECKING:
+    from .user import User
+
 class Workspace(Base, AutoID):
     """工作区表"""
     __tablename__ = "workspaces"
@@ -24,11 +28,18 @@ class WorkspaceMember(Base, AutoID):
     """工作区成员及权限表"""
     __tablename__ = "workspace_members"
 
-    workspace_id = Column(String(32), ForeignKey("workspaces.id", ondelete="CASCADE"), index=True)
-    user_id = Column(String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True)
-
+    workspace_id = Column(
+        String(Workspace.id_length()),
+        ForeignKey("workspaces.id", ondelete="CASCADE"),
+        index=True,
+    )
     # 允许 user_id 为空，因为被邀请的人可能还没注册系统，我们先记录他的邮箱
-    user_id = Column(String(32), ForeignKey("users.id", ondelete="CASCADE"), nullable=True, index=True)
+    user_id = Column(
+        String(User.id_length()),
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=True,
+        index=True,
+    )
     invite_email = Column(String, nullable=True) # 收到邀请的邮箱
     
     # 状态：'pending' (等待加入), 'active' (已加入), 'disabled' (已禁用)