rename project node -> project item

app/models/__init__.py

@@ -3,7 +3,7 @@ from .user import User
 from .message import Message
 from .follow import Follow
 from .workspace import Workspace, WorkspaceMember
-from .project import ProjectNode
+from .project import ProjectItem
 from .library import LibraryItem
 from .interaction import ProjectLike, ProjectFavorite, ProjectShare
 
@@ -14,7 +14,7 @@ __all__ = [
     "Follow", 
     "Workspace", 
     "WorkspaceMember", 
-    "ProjectNode", 
+    "ProjectItem", 
     "LibraryItem",
     "ProjectLike",
     "ProjectFavorite",

app/models/interaction.py

@@ -1,44 +1,78 @@
+from typing import TYPE_CHECKING
 from sqlalchemy import Column, DateTime, String, ForeignKey, UniqueConstraint
 from sqlalchemy.sql import func
 from .base import AutoID, Base
 
+if TYPE_CHECKING:
+    from .user import User
+    from .project import ProjectItem
+    from .workspace import Workspace
+
 class ProjectLike(Base, AutoID):
     """项目点赞表"""
     __tablename__ = "project_likes"
 
-    user_id = Column(String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True)
-    project_node_id = Column(String(32), ForeignKey("project_nodes.id", ondelete="CASCADE"), index=True)
+    user_id = Column(
+        String(User.id_length()), 
+        ForeignKey("users.id", ondelete="CASCADE"), 
+        index=True
+    )
+    project_item_id = Column(
+        String(ProjectItem.id_length()), 
+        ForeignKey("project_items.id", ondelete="CASCADE"), 
+        index=True
+    )
     
     created_at = Column(DateTime(timezone=True), server_default=func.now())
 
     # 联合唯一约束，防止同一用户重复点赞
-    __table_args__ = (UniqueConstraint("user_id", "project_node_id", name="uq_user_project_like"),)
+    __table_args__ = (UniqueConstraint("user_id", "project_item_id", name="uq_user_project_like"),)
 
 
 class ProjectFavorite(Base, AutoID):
     """项目收藏表"""
     __tablename__ = "project_favorites"
 
-    user_id = Column(String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True)
-    project_node_id = Column(String(32), ForeignKey("project_nodes.id", ondelete="CASCADE"), index=True)
+    user_id = Column(
+        String(User.id_length()), 
+        ForeignKey("users.id", ondelete="CASCADE"), 
+        index=True
+    )
+    project_item_id = Column(
+        String(ProjectItem.id_length()), 
+        ForeignKey("project_items.id", ondelete="CASCADE"), 
+        index=True
+    )
     
     created_at = Column(DateTime(timezone=True), server_default=func.now())
 
     # 联合唯一约束，防止重复收藏
-    __table_args__ = (UniqueConstraint("user_id", "project_node_id", name="uq_user_project_favorite"),)
+    __table_args__ = (UniqueConstraint("user_id", "project_item_id", name="uq_user_project_favorite"),)
 
 
 class ProjectShare(Base, AutoID):
     """项目转发/分享记录表"""
     __tablename__ = "project_shares"
 
-    user_id = Column(String(32), ForeignKey("users.id", ondelete="CASCADE"), index=True)
-    project_node_id = Column(String(32), ForeignKey("project_nodes.id", ondelete="CASCADE"), index=True)
+    user_id = Column(
+        String(User.id_length()), 
+        ForeignKey("users.id", ondelete="CASCADE"), 
+        index=True
+    )
+    project_item_id = Column(
+        String(ProjectItem.id_length()), 
+        ForeignKey("project_items.id", ondelete="CASCADE"), 
+        index=True
+    )
     
     # 转发去向或渠道，例如 'internal' (转发到其他工作区), 'twitter', 'link' (复制链接)
     share_target = Column(String, default="internal", nullable=False)
     
     # 如果是转发到特定工作区，可以记录目标工作区 ID
-    target_workspace_id = Column(String(32), ForeignKey("workspaces.id", ondelete="SET NULL"), nullable=True)
+    target_workspace_id = Column(
+        String(Workspace.id_length()), 
+        ForeignKey("workspaces.id", ondelete="SET NULL"), 
+        nullable=True
+    )
 
     created_at = Column(DateTime(timezone=True), server_default=func.now())

app/models/project.py

@@ -2,13 +2,13 @@ from sqlalchemy import Column, DateTime, String, ForeignKey, Integer
 from sqlalchemy.sql import func
 from .base import AutoID, Base
 
-class ProjectNode(Base, AutoID):
+class ProjectItem(Base, AutoID):
     """项目与文件夹的树状虚拟文件系统"""
-    __tablename__ = "project_nodes"
+    __tablename__ = "project_items"
 
     workspace_id = Column(String(32), 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_nodes.id", ondelete="CASCADE"), nullable=True, index=True)
+    parent_id = Column(String(32), 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)