[FEA] Initial commit

.gitignore

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+__pycache__/
+.env
+venv/

app/__init__.py

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+from .app import app

app/app.py

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+from flask import Flask
+
+app = Flask(__name__)

app/schema/base.py

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+from sqlalchemy.orm import DeclarativeBase
+
+class Base(DeclarativeBase):
+    pass

app/schema/book.py

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+from typing import List
+from typing import Optional
+from sqlalchemy import String
+from sqlalchemy.orm import Mapped
+from sqlalchemy.orm import mapped_column
+from sqlalchemy.orm import relationship
+
+from .base import Base
+
+class Book(Base):
+    __tablename__ = "book"
+    id: Mapped[int] = mapped_column(primary_key=True)
+    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)
+
+    tags: Mapped[List["Tags"]] = 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})"

app/schema/tag.py

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+from typing import List
+from typing import Optional
+from sqlalchemy import String
+from sqlalchemy.orm import Mapped
+from sqlalchemy.orm import mapped_column
+from sqlalchemy.orm import relationship
+
+from .base import Base
+
+class Tag(Base):
+    __tablename__ = "tag"
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(String(255))
+
+    books: Mapped[List["Book"]] = relationship(
+        back_populates="tags", 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})"

requirements.txt

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+flask
+sqlalchemy
+requests