43 lines
1.6 KiB
Python
43 lines
1.6 KiB
Python
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@app.route("/donate")
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def donate():
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donation_amount = expect_parameter("donation_amount")
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donation_donor = expect_parameter("donation_donor")
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fulfillment_url = flask.url_for("fulfillment", _external=True)
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order = dict(
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amount=donation_amount,
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extra=dict(donor=donation_donor, amount=donation_amount),
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fulfillment_url=fulfillment_url,
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summary="Donation to the GNU Taler project",
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)
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# ask backend to create new order
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order_resp = backend_post("order", dict(order=order))
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order_id = order_resp["order_id"]
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return flask.redirect(flask.url_for("fulfillment", order_id=order_id))
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@app.route("/receipt")
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def fulfillment():
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order_id = expect_parameter("order_id")
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pay_params = dict(order_id=order_id)
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# ask backend for status of payment
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pay_status = backend_get("check-payment", pay_params)
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if pay_status.get("payment_redirect_url"):
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return flask.redirect(pay_status["payment_redirect_url"])
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if pay_status.get("paid"):
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# The "extra" field in the contract terms can be used
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# by the merchant for free-form data, interpreted
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# by the merchant (avoids additional database access)
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extra = pay_status["contract_terms"]["extra"]
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return flask.render_template(
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"templates/fulfillment.html",
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donation_amount=extra["amount"],
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donation_donor=extra["donor"],
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order_id=order_id,
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currency=CURRENCY)
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# no pay_redirect but article not paid, this should never happen!
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err_abort(500, message="Internal error, invariant failed", json=pay_status)
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