feat: 支持迁移 CoolQBot 中插件数据

.gitignore

@@ -143,3 +143,5 @@ dmypy.json
 # VSCode
 .vscode/*
 !.vscode/launch.json
+
+data/

nonebot_plugin_user/migrations/0f0ca7421689_migrate_old_plugin_data.py

@@ -0,0 +1,57 @@
+"""migrate old plugin data
+
+Revision ID: 0f0ca7421689
+Revises: 8aa030575da8
+Create Date: 2023-09-22 09:59:01.649159
+
+"""
+import sqlalchemy as sa
+from alembic import op
+from nonebot import logger
+from sqlalchemy.ext.automap import automap_base
+from sqlalchemy.orm import Session
+
+# revision identifiers, used by Alembic.
+revision = "0f0ca7421689"
+down_revision = "8aa030575da8"
+branch_labels = None
+depends_on = None
+
+
+def _has_table(name: str) -> bool:
+    from sqlalchemy import inspect
+
+    insp = inspect(op.get_bind())
+    return name in insp.get_table_names()
+
+
+def upgrade() -> None:
+    Base = automap_base()
+    if _has_table("user_user") and _has_table("user_bind"):
+        logger.info("发现旧版插件数据，开始迁移")
+        Base.prepare(op.get_bind())
+        OldUser = Base.classes.user_user
+        OldBind = Base.classes.user_bind
+        User = Base.classes.nonebot_plugin_user_user
+        Bind = Base.classes.nonebot_plugin_user_bind
+        with Session(op.get_bind()) as session:
+            for old_user in session.query(OldUser):
+                user = User(
+                    id=old_user.id,
+                    name=old_user.name,
+                    created_at=old_user.created_at,
+                )
+                session.add(user)
+            for old_bind in session.query(OldBind):
+                bind = Bind(
+                    pid=old_bind.pid,
+                    platform=old_bind.platform,
+                    aid=old_bind.aid,
+                    bid=old_bind.bid,
+                )
+                session.add(bind)
+            session.commit()
+
+
+def downgrade() -> None:
+    pass