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from pydantic.main import BaseModel
from beanie import Document, Indexed, PydanticObjectId, iterative_migration
class Tag(BaseModel):
color: str
name: str
class OldNote(Document):
name: Indexed(str, unique=True)
tag: Tag
class Settings:
name = "notes"
class Note(Document):
name: Indexed(str, unique=True)
title: str
tag: Tag
class Settings:
name = "notes"
fixed_id = PydanticObjectId("6076f1f3e4b7f6b7a0f6e5a0")
class Forward:
@iterative_migration(batch_size=2)
async def name_to_title(
self, input_document: OldNote, output_document: Note
):
output_document.title = input_document.name
if output_document.title > "5":
output_document.name = "5"
class Backward:
@iterative_migration()
async def title_to_name(
self, input_document: Note, output_document: OldNote
):
output_document.name = input_document.title
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