[UPD] Added BookTag

app/schema/library/book.py

@@ -1,6 +1,6 @@
 from typing import List
 from typing import Optional
-from sqlalchemy import String, ForeignKey
+from sqlalchemy import String, ForeignKey, Integer
 from sqlalchemy.orm import Mapped
 from sqlalchemy.orm import mapped_column
 from sqlalchemy.orm import relationship
@@ -10,17 +10,22 @@ from .base import Base
 class Book(Base):
     __tablename__ = "book"
     id: Mapped[int] = mapped_column(primary_key=True)
-    hash: Mapped[str] = mapped_column(String(255))
-    file_name: Mapped[str] = mapped_column(String(255))
-    file_path: Mapped[str] = mapped_column(String(65656))
-    name: Mapped[str] = mapped_column(String(255))
-    publisher: Mapped[str] = mapped_column(String(255))
-    notes: Mapped[str] = mapped_column(String(65656))
-    classification: Mapped[int] = mapped_column(primary_key=True)
+    hash: Mapped[Optional[str]] = mapped_column(String(255))
+    file_name: Mapped[Optional[str]] = mapped_column(String(65656))
+    file_path: Mapped[Optional[str]] = mapped_column(String(65656))
+    name: Mapped[str] = mapped_column(String(65656))
+    publisher: Mapped[Optional[str]] = mapped_column(String(65656))
+    notes: Mapped[Optional[str]] = mapped_column(String(65656))
+    classification: Mapped[Optional[int]] = mapped_column(Integer)
 
     library_id: Mapped[int] = mapped_column(ForeignKey("library.id"))
     library: Mapped[int] = relationship("Library", back_populates="books")
 
+    tags: Mapped[List["BookTag"]] = relationship(
+        back_populates="book", cascade="all, delete-orphan"
+    )
+
     def __repr__(self) -> str:
-        return f"Book(id={self.id!r}, name={self.name!r}, publisher={self.publisher!r}," \
-                " notes={self.notes!r}, classification={self.classification!r})"
+        return f"Book(id={self.id!r}, name={self.name!r}, publisher={self.publisher!r}, " \
+               f"notes={self.notes!r}, classification={self.classification!r}), " \
+               f"hash={self.hash!r}, file_name={self.file_name}, file_path={self.file_path})"