request_body.py~

"""
Second Project for learning FastAPI, this one will contain further concepts like request bodies
"""

from typing import Optional #For making parameters optional

from fastapi import FastAPI
from pydantic import BaseModel #This is new for making request bodies

#Create a data model that inherits from BaseModel:
class Item(BaseModel):
    #Some attributes about the item:
    name: str
    description Optional[str] = None
    price: float
    tax: Optional[float] = None
    
app = FastAPI() #Create instance of FastAPI

"""
Creates an item
"""

@app.post("/items/")
async def create_item(item: Item):
    item_dict = item.dict()
    if item.tax:
        price_with_tax = item.price + item.tax
        item_dict.update({"price_with_tax": price_with_tax})
    return item_dict