feat: Add Book schemas

schemas/book.py

@@ -0,0 +1,26 @@
+from pydantic import BaseModel, Field
+from typing import Optional
+from datetime import datetime
+from uuid import UUID
+
+# Base schema for Book
+class BookBase(BaseModel):
+    title: str = Field(..., description="Book title")
+    author: str = Field(..., description="Book author")
+    description: Optional[str] = Field(None, description="Book description")
+    page_count: int = Field(..., gt=0, description="Number of pages in the book")
+    genre: str = Field(..., description="Book genre")
+
+# Schema for creating a new Book
+class BookCreate(BookBase):
+    publisher_id: UUID = Field(..., description="ID of the book's publisher")
+
+# Schema for Book responses
+class BookSchema(BookBase):
+    id: UUID
+    publisher_id: UUID
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True