Add migration for Book

alembic/versions/20250325_231950_d9dac51f_create_book.py

@@ -0,0 +1,38 @@
+"""create books table
+
+Revision ID: b2c3d4e5f6g7
+Revises: 
+Create Date: 2023-12-20 10:00:00.000000
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.sql import func
+import uuid
+
+# revision identifiers
+revision = 'b2c3d4e5f6g7'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+def upgrade():
+    op.create_table(
+        'books',
+        sa.Column('id', sa.String(), primary_key=True, default=lambda: str(uuid.uuid4())),
+        sa.Column('title', sa.String(), nullable=False, index=True),
+        sa.Column('description', sa.String()),
+        sa.Column('isbn', sa.String(), unique=True),
+        sa.Column('publication_year', sa.Integer()),
+        sa.Column('author_id', sa.String(), sa.ForeignKey('authors.id')),
+        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.PrimaryKeyConstraint('id')
+    )
+    
+    op.create_index('ix_books_title', 'books', ['title'])
+    op.create_index('ix_books_isbn', 'books', ['isbn'], unique=True)
+
+def downgrade():
+    op.drop_index('ix_books_isbn', 'books')
+    op.drop_index('ix_books_title', 'books')
+    op.drop_table('books')