Initial commit: 浼佷笟寰俊 AI 鏈哄櫒浜哄姪鐞?MVP

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/alembic/versions/003_add_missing_columns.py

@@ -0,0 +1,36 @@
+"""add missing columns if users table exists without them
+
+Revision ID: 003
+Revises: 002
+Create Date: 2025-02-05
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+revision: str = "003"
+down_revision: Union[str, None] = "002"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # 检查 users 表是否存在 role 列，若不存在则添加
+    conn = op.get_bind()
+    inspector = sa.inspect(conn)
+    columns = [c["name"] for c in inspector.get_columns("users")] if inspector.has_table("users") else []
+    
+    if "users" in inspector.get_table_names():
+        if "role" not in columns:
+            op.add_column("users", sa.Column("role", sa.String(32), nullable=False, server_default="admin"))
+        if "is_active" not in columns:
+            op.add_column("users", sa.Column("is_active", sa.Boolean(), nullable=False, server_default="true"))
+        if "created_at" not in columns:
+            op.add_column("users", sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=True))
+
+
+def downgrade() -> None:
+    # 可选：移除这些列（通常不需要）
+    pass