Add Book schema

schemas/book.py

@@ -0,0 +1,32 @@
+from pydantic import BaseModel, Field
+from datetime import datetime
+from typing import Optional
+
+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: Optional[int] = Field(None, description="Number of pages")
+    published_date: Optional[datetime] = Field(None, description="Publication date")
+    genre_id: str = Field(..., description="ID of the book genre")
+
+    class Config:
+        schema_extra = {
+            "example": {
+                "title": "The Great Gatsby",
+                "author": "F. Scott Fitzgerald",
+                "description": "A classic American novel about the Roaring Twenties.",
+                "page_count": 180,
+                "published_date": "1925-04-10T00:00:00",
+                "genre_id": "c1a2b3c4-d5e6-f7g8-h9i0-j1k2l3m4n5o6"
+            }
+        }
+
+class BookCreate(BookBase):
+    pass
+
+class BookResponse(BookBase):
+    id: str
+
+    class Config:
+        orm_mode = True