generated from bisco/codex-bootstrap
31 lines
892 B
Python
31 lines
892 B
Python
import base64
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from io import BytesIO
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import qrcode
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from django.conf import settings
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from .models import Reservation
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CHECK_IN_PAGE_PATH = "/check-in"
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def build_check_in_preview_url(raw_check_in_token):
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return f"{settings.SITE_BASE_URL}{CHECK_IN_PAGE_PATH}?token={raw_check_in_token}"
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def generate_check_in_qr_png(raw_check_in_token):
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qr_image = qrcode.make(build_check_in_preview_url(raw_check_in_token))
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buffer = BytesIO()
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qr_image.save(buffer, format="PNG")
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return buffer.getvalue()
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def generate_check_in_qr_base64(*, reservation, raw_check_in_token):
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if reservation.status != Reservation.Status.CONFIRMED:
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raise ValueError("QR codes are available only for confirmed reservations.")
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png_bytes = generate_check_in_qr_png(raw_check_in_token)
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encoded = base64.b64encode(png_bytes).decode("ascii")
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return f"data:image/png;base64,{encoded}"
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