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from dataclasses import dataclass
from litestar import Litestar, post
from litestar.exceptions.http_exceptions import NotFoundException
from litestar.plugins.problem_details import ProblemDetailsConfig, ProblemDetailsPlugin
@dataclass
class PurchaseItem:
item_id: int
quantity: int
@post("/purchase")
async def purchase(data: PurchaseItem) -> None:
# Logic to check if the user has enough credit to buy the item.
# We assume the user does not have enough credit.
raise NotFoundException(detail="No item with the given ID was found", extra={"item_id": data.item_id})
problem_details_plugin = ProblemDetailsPlugin(ProblemDetailsConfig(enable_for_all_http_exceptions=True))
app = Litestar(route_handlers=[purchase], plugins=[problem_details_plugin])
# run: /purchase --header "Content-Type: application/json" --request POST --data '{"item_id": 1234, "quantity": 2}'
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