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54 lines
1.3 KiB
Python
54 lines
1.3 KiB
Python
from typing import Union
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from fastapi import APIRouter, FastAPI
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from pydantic import BaseModel, HttpUrl
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app = FastAPI()
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class Invoice(BaseModel):
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id: str
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title: Union[str, None] = None
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customer: str
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total: float
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class InvoiceEvent(BaseModel):
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description: str
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paid: bool
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class InvoiceEventReceived(BaseModel):
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ok: bool
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invoices_callback_router = APIRouter()
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@invoices_callback_router.post(
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"{$callback_url}/invoices/{$request.body.id}", response_model=InvoiceEventReceived
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)
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def invoice_notification(body: InvoiceEvent):
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pass
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@app.post("/invoices/", callbacks=invoices_callback_router.routes)
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def create_invoice(invoice: Invoice, callback_url: Union[HttpUrl, None] = None):
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"""
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Create an invoice.
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This will (let's imagine) let the API user (some external developer) create an
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invoice.
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And this path operation will:
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* Send the invoice to the client.
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* Collect the money from the client.
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* Send a notification back to the API user (the external developer), as a callback.
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* At this point is that the API will somehow send a POST request to the
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external API with the notification of the invoice event
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(e.g. "payment successful").
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"""
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# Send the invoice, collect the money, send the notification (the callback)
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return {"msg": "Invoice received"}
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