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from pydantic.main import BaseModel
from beanie import Document, iterative_migration
class Tag(BaseModel):
color: str
name: str
class Note(Document):
title: str
tag: Tag
class Settings:
name = "notes"
class Forward:
@iterative_migration()
async def change_title_6(
self, input_document: Note, output_document: Note
):
if input_document.title == "6":
output_document.title = "six"
@iterative_migration()
async def change_title_7(
self, input_document: Note, output_document: Note
):
if input_document.title == "7":
output_document.title = "seven"
class Backward:
@iterative_migration()
async def change_title_7(
self, input_document: Note, output_document: Note
):
if input_document.title == "seven":
output_document.title = "7"
@iterative_migration()
async def change_title_6(
self, input_document: Note, output_document: Note
):
if input_document.title == "six":
output_document.title = "6"
|
