Add Book schema

schemas/book.py

@@ -0,0 +1,48 @@
+from pydantic import BaseModel, Field
+from typing import Optional
+from datetime import datetime
+
+class BookBase(BaseModel):
+    title: str = Field(..., description="Book title")
+    author: str = Field(..., description="Book author")
+    isbn: str = Field(..., description="Book ISBN number")
+    published_year: Optional[int] = Field(None, description="Year of publication")
+    description: Optional[str] = Field(None, description="Book description")
+    price: int = Field(..., gt=0, description="Book price")
+    is_available: bool = Field(default=True, description="Book availability status")
+
+class BookCreate(BookBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "title": "The Great Gatsby",
+                "author": "F. Scott Fitzgerald",
+                "isbn": "978-0743273565",
+                "published_year": 1925,
+                "description": "A story of the fabulously wealthy Jay Gatsby",
+                "price": 999,
+                "is_available": True
+            }
+        }
+
+class Book(BookBase):
+    id: int
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "id": 1,
+                "title": "The Great Gatsby",
+                "author": "F. Scott Fitzgerald",
+                "isbn": "978-0743273565",
+                "published_year": 1925,
+                "description": "A story of the fabulously wealthy Jay Gatsby",
+                "price": 999,
+                "is_available": True,
+                "created_at": "2023-01-01T00:00:00",
+                "updated_at": "2023-01-01T00:00:00"
+            }
+        }