33 lines
1.3 KiB
Python
33 lines
1.3 KiB
Python
"""Helpers for Telegram Mini App URLs (subscription webapp)."""
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from __future__ import annotations
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from typing import Optional
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from urllib.parse import parse_qsl, urlencode, urlsplit, urlunsplit
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from config.settings import Settings
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def append_query_params(base_url: str, params: dict[str, str]) -> str:
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"""Merge params into an existing URL query string (adds or replaces keys)."""
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raw = (base_url or "").strip()
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if not raw:
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return ""
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parts = urlsplit(raw)
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existing = dict(parse_qsl(parts.query, keep_blank_values=True))
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for key, value in params.items():
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if value is None:
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existing.pop(key, None)
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else:
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existing[key] = str(value)
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query = urlencode(existing)
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return urlunsplit((parts.scheme, parts.netloc, parts.path, query, parts.fragment))
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def subscription_mini_app_topup_url(settings: Settings, kind: str) -> Optional[str]:
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"""Return Mini App URL that opens the traffic top-up flow for ``kind`` (``regular`` or ``premium``)."""
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base = str(getattr(settings, "SUBSCRIPTION_MINI_APP_URL", None) or "").strip()
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if not base:
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return None
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normalized = "premium" if str(kind or "").strip().lower() == "premium" else "regular"
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return append_query_params(base, {"topup": normalized})
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