Добавление количества страниц книгам

library_service/models/dto/book.py

@@ -1,43 +1,55 @@
 """Модуль DTO-моделей книг"""
+
 from typing import List
 
 from pydantic import ConfigDict
-from sqlmodel import SQLModel
+from sqlmodel import SQLModel, Field
 
 from library_service.models.enums import BookStatus
 
 
 class BookBase(SQLModel):
     """Базовая модель книги"""
+
     title: str
     description: str
+    page_count: int = Field(gt=0)
 
     model_config = ConfigDict(  # pyright: ignore
         json_schema_extra={
-            "example": {"title": "book_title", "description": "book_description"}
+            "example": {
+                "title": "book_title",
+                "description": "book_description",
+                "page_count": 1,
+            }
         }
     )
 
 
 class BookCreate(BookBase):
     """Модель книги для создания"""
+
     pass
 
 
 class BookUpdate(SQLModel):
     """Модель книги для обновления"""
+
     title: str | None = None
     description: str | None = None
+    page_count: int | None = None
     status: BookStatus | None = None
 
 
 class BookRead(BookBase):
     """Модель книги для чтения"""
+
     id: int
     status: BookStatus
 
 
 class BookList(SQLModel):
     """Список книг"""
+
     books: List[BookRead]
     total: int

library_service/models/dto/misc.py

@@ -37,6 +37,7 @@ class BookWithAuthors(SQLModel):
     id: int
     title: str
     description: str
+    page_count: int
     authors: List[AuthorRead] = Field(default_factory=list)
 
 
@@ -46,6 +47,7 @@ class BookWithGenres(SQLModel):
     id: int
     title: str
     description: str
+    page_count: int
     status: BookStatus | None = None
     genres: List[GenreRead] = Field(default_factory=list)
 
@@ -56,6 +58,7 @@ class BookWithAuthorsAndGenres(SQLModel):
     id: int
     title: str
     description: str
+    page_count: int
     status: BookStatus | None = None
     authors: List[AuthorRead] = Field(default_factory=list)
     genres: List[GenreRead] = Field(default_factory=list)