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from pydantic.main import BaseModel
from beanie import Document, iterative_migration
class Tag(BaseModel):
color: str
name: str
class OldNote(Document):
title: str
tag_name: str
tag_color: str
class Settings:
name = "notes"
class Note(Document):
title: str
tag: Tag
class Settings:
name = "notes"
class Forward:
@iterative_migration()
async def pack(self, input_document: OldNote, output_document: Note):
output_document.tag = Tag(
name=input_document.tag_name, color=input_document.tag_color
)
class Backward:
@iterative_migration()
async def unpack(self, input_document: Note, output_document: OldNote):
output_document.tag_name = input_document.tag.name
output_document.tag_color = input_document.tag.color
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