60 lines
1.4 KiB
Python
60 lines
1.4 KiB
Python
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"""This module declareds the pydantic API representation for todo-items."""
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from datetime import datetime
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from abc import ABC
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from typing import Optional
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from pydantic import BaseModel, validator
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class AbstractTodoItemValidator(BaseModel, ABC):
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"""Base class for todo-item validators shared with child classes."""
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@validator('title', check_fields=False)
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def assert_title_is_valid(cls, title):
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if title is not None:
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if not len(title):
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raise ValueError("Title must not be empty.")
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return title
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@validator('description', check_fields=False)
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def assert_last_name_is_valid(cls, description):
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if description is not None:
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if not len(description):
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raise ValueError("Description must not be empty.")
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return description
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class AbstractTodoItem(AbstractTodoItemValidator, ABC):
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"""Base class for todo-item attributes shared with child classes."""
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title: str
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description: str
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class TodoItemCreate(AbstractTodoItem):
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"""Schema for todo-item creation."""
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pass
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class TodoItemUpdate(AbstractTodoItemValidator):
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"""Schema for todo-item updates."""
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title: Optional[str]
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description: Optional[str]
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done: Optional[bool]
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class TodoItem(AbstractTodoItem):
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"""Schema for user info displaying."""
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id: int
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done: bool
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created: datetime
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updated: datetime
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finished: datetime | None
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class Config:
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orm_mode = True
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