Add pages to Book

fastapi_book_server/app/alembic/versions/b44117a41999_.py

@@ -0,0 +1,29 @@
+"""empty message
+
+Revision ID: b44117a41999
+Revises: 08193b547a80
+Create Date: 2021-11-18 18:25:06.921287
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.sql.schema import UniqueConstraint
+
+
+# revision identifiers, used by Alembic.
+revision = "b44117a41999"
+down_revision = "08193b547a80"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("books", sa.Column("pages", sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("books", "pages")
+    # ### end Alembic commands ###

fastapi_book_server/app/models.py

@@ -1,4 +1,5 @@
 from datetime import date
+from typing import Optional
 
 import ormar
 from sqlalchemy import text
@@ -150,6 +151,7 @@ class Book(ormar.Model):
     is_deleted: bool = ormar.Boolean(
         default=False, server_default=text("false"), nullable=False
     )
+    pages: Optional[int] = ormar.Integer(minimum=0, nullable=True)  # type: ignore
 
     authors = ormar.ManyToMany(Author, through=BookAuthors)
     translators = ormar.ManyToMany(