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Улучшение безопасности
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@@ -1,10 +1,12 @@
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"""Модуль связей между сущностями в БД"""
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from datetime import datetime
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from datetime import datetime, timezone
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from sqlmodel import SQLModel, Field
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class AuthorBookLink(SQLModel, table=True):
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"""Модель связи автора и книги"""
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author_id: int | None = Field(
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default=None, foreign_key="author.id", primary_key=True
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)
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@@ -13,12 +15,14 @@ class AuthorBookLink(SQLModel, table=True):
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class GenreBookLink(SQLModel, table=True):
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"""Модель связи жанра и книги"""
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genre_id: int | None = Field(default=None, foreign_key="genre.id", primary_key=True)
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book_id: int | None = Field(default=None, foreign_key="book.id", primary_key=True)
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class UserRoleLink(SQLModel, table=True):
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"""Модель связи роли и пользователя"""
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__tablename__ = "user_roles"
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user_id: int | None = Field(default=None, foreign_key="users.id", primary_key=True)
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@@ -30,13 +34,14 @@ class BookUserLink(SQLModel, table=True):
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Модель истории выдачи книг (Loan).
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Связывает книгу и пользователя с фиксацией времени.
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"""
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__tablename__ = "book_loans"
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id: int | None = Field(default=None, primary_key=True, index=True)
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book_id: int = Field(foreign_key="book.id")
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user_id: int = Field(foreign_key="users.id")
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borrowed_at: datetime = Field(default_factory=datetime.utcnow)
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borrowed_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
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due_date: datetime
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returned_at: datetime | None = Field(default=None)
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returned_at: datetime | None = Field(default=None)
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