feat: add endpoint and database model for creating books ✅ (auto-linted)

alembic/versions/20250429_115732_97a829da_update_book.py

@@ -0,0 +1,30 @@
+"""create table for books
+Revision ID: 1d6a9f58e2f1
+Revises: 0001
+Create Date: 2023-05-11 15:18:36.631658
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '1d6a9f58e2f1'
+down_revision = '0001'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        'books',
+        sa.Column('id', sa.String(36), primary_key=True),
+        sa.Column('title', sa.String(), nullable=False),
+        sa.Column('description', sa.String(), nullable=True),
+        sa.Column('year_published', sa.Integer(), nullable=False),
+        sa.Column('created_at', sa.DateTime(), server_default=sa.func.now()),
+        sa.Column('updated_at', sa.DateTime(), server_default=sa.func.now(), onupdate=sa.func.now()),
+        sa.Column('author_id', sa.String(36), sa.ForeignKey('authors.id'), nullable=False)
+    )
+
+
+def downgrade():
+    op.drop_table('books')

endpoints/books.post.py

@@ -0,0 +1,23 @@
+from typing import List
+from fastapi import APIRouter, Depends, status
+from sqlalchemy.orm import Session
+from core.database import get_db
+from schemas.book import BookCreate, BookSchema
+from helpers.book_helpers import create_book, get_all_books
+
+router = APIRouter()
+
+@router.post("/books", status_code=status.HTTP_201_CREATED, response_model=BookSchema)
+async def create_new_book(
+    book: BookCreate,
+    db: Session = Depends(get_db)
+):
+    new_book = create_book(db=db, book_data=book)
+    return new_book
+
+@router.get("/books", status_code=200, response_model=List[BookSchema])
+async def get_books(
+    db: Session = Depends(get_db)
+):
+    books = get_all_books(db)
+    return books

helpers/book_helpers.py

@@ -0,0 +1,61 @@
+import uuid
+from typing import List, Optional
+from sqlalchemy.orm import Session
+from models.book import Book
+from models.author import Author
+from schemas.book import BookCreate, BookSchema
+
+def create_book(db: Session, book_data: BookCreate) -> Book:
+    """
+    Creates a new book in the database.
+
+    Args:
+        db (Session): The database session.
+        book_data (BookCreate): The data for the book to create.
+
+    Returns:
+        Book: The newly created book object.
+    """
+    authors = [db.query(Author).get(author_id) for author_id in book_data.author_ids]
+    if any(author is None for author in authors):
+        raise ValueError("One or more author IDs are invalid")
+
+    db_book = Book(
+        title=book_data.title,
+        description=book_data.description,
+        year_published=book_data.year_published,
+        authors=authors
+    )
+    db.add(db_book)
+    db.commit()
+    db.refresh(db_book)
+    return db_book
+
+def get_book_by_id(db: Session, book_id: uuid.UUID) -> Optional[BookSchema]:
+    """
+    Retrieves a single book by its ID.
+
+    Args:
+        db (Session): The database session.
+        book_id (UUID): The ID of the book to retrieve.
+
+    Returns:
+        Optional[BookSchema]: The book schema object if found, otherwise None.
+    """
+    book = db.query(Book).filter(Book.id == book_id).first()
+    if book:
+        return BookSchema.from_orm(book)
+    return None
+
+def get_all_books(db: Session) -> List[BookSchema]:
+    """
+    Retrieves all books from the database.
+
+    Args:
+        db (Session): The database session.
+
+    Returns:
+        List[BookSchema]: A list of all book schema objects.
+    """
+    books = db.query(Book).all()
+    return [BookSchema.from_orm(book) for book in books]

models/book.py

@@ -0,0 +1,26 @@
+from sqlalchemy import Column, String, Integer, DateTime, ForeignKey
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from core.database import Base
+import uuid
+
+class Author(Base):
+    __tablename__ = "authors"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    name = Column(String, nullable=False)
+    books = relationship("Book", back_populates="authors")
+
+class Book(Base):
+    __tablename__ = "books"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
+    title = Column(String, nullable=False)
+    description = Column(String, nullable=True)
+    year_published = Column(Integer, nullable=False)
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+
+    author_id = Column(UUID, ForeignKey("authors.id"), nullable=False)
+    authors = relationship("Author", back_populates="books")

requirements.txt

@@ -7,3 +7,6 @@ sqlalchemy>=1.4.0
 python-dotenv>=0.19.0
 bcrypt>=3.2.0
 alembic>=1.13.1
+jose
+passlib
+pydantic

schemas/book.py

@@ -0,0 +1,27 @@
+from pydantic import BaseModel, Field
+from typing import Optional, List
+from datetime import datetime
+import uuid
+
+class BookBase(BaseModel):
+    title: str = Field(..., description="Book title")
+    description: Optional[str] = Field(None, description="Book description")
+    year_published: int = Field(..., description="Year the book was published")
+
+class BookCreate(BookBase):
+    author_ids: List[uuid.UUID] = Field(..., description="List of author IDs")
+
+class BookUpdate(BookBase):
+    title: Optional[str] = Field(None, description="Book title")
+    description: Optional[str] = Field(None, description="Book description")
+    year_published: Optional[int] = Field(None, description="Year the book was published")
+    author_ids: Optional[List[uuid.UUID]] = Field(None, description="List of author IDs")
+
+class BookSchema(BookBase):
+    id: uuid.UUID
+    created_at: datetime
+    updated_at: datetime
+    author_ids: List[uuid.UUID] = Field(..., description="List of author IDs")
+
+    class Config:
+        orm_mode = True