Add Book schema

schemas/book.py

@@ -0,0 +1,40 @@
+from pydantic import BaseModel, Field
+from typing import Optional
+from datetime import datetime
+from uuid import UUID
+
+class BookBase(BaseModel):
+    title: str = Field(..., min_length=1, max_length=200, description="Book title")
+    author: str = Field(..., min_length=1, max_length=100, description="Book author")
+    description: Optional[str] = Field(None, max_length=1000, description="Book description")
+    isbn: str = Field(..., min_length=10, max_length=13, description="Book ISBN")
+
+class BookCreate(BookBase):
+    class Config:
+        schema_extra = {
+            "example": {
+                "title": "The Great Gatsby",
+                "author": "F. Scott Fitzgerald",
+                "description": "A story of the fabulously wealthy Jay Gatsby",
+                "isbn": "9780743273565"
+            }
+        }
+
+class Book(BookBase):
+    id: UUID
+    created_at: datetime
+    updated_at: datetime
+
+    class Config:
+        orm_mode = True
+        schema_extra = {
+            "example": {
+                "id": "550e8400-e29b-41d4-a716-446655440000",
+                "title": "The Great Gatsby",
+                "author": "F. Scott Fitzgerald",
+                "description": "A story of the fabulously wealthy Jay Gatsby",
+                "isbn": "9780743273565",
+                "created_at": "2023-01-01T00:00:00",
+                "updated_at": "2023-01-01T00:00:00"
+            }
+        }