Use random string in ref link instead of tg ID
- Enable old links with tg id by default in .env with LEGACY_REFS=true
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@@ -302,7 +302,7 @@ async def ensure_required_channel_subscription(
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@router.message(CommandStart())
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@router.message(CommandStart(magic=F.args.regexp(r"^ref_(\d+)$").as_("ref_match")))
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@router.message(CommandStart(magic=F.args.regexp(r"^ref_((?:[uU][A-Za-z0-9]{9})|(?:[A-Za-z0-9]{9})|\d+)$").as_("ref_match")))
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@router.message(CommandStart(magic=F.args.regexp(r"^promo_(\w+)$").as_("promo_match")))
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@router.message(CommandStart(magic=F.args.regexp(r"^(?!ref_|promo_)([A-Za-z0-9_\-]{2,64})$").as_("ad_param_match")))
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async def start_command_handler(message: types.Message,
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@@ -328,9 +328,23 @@ async def start_command_handler(message: types.Message,
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ad_start_param: Optional[str] = None
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if ref_match:
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potential_referrer_id = int(ref_match.group(1))
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if await user_dal.get_user_by_id(session, potential_referrer_id):
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referred_by_user_id = potential_referrer_id
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raw_ref_value = ref_match.group(1)
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if raw_ref_value.isdigit():
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if settings.LEGACY_REFS:
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potential_referrer_id = int(raw_ref_value)
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if potential_referrer_id != user_id and await user_dal.get_user_by_id(
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session, potential_referrer_id):
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referred_by_user_id = potential_referrer_id
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else:
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normalized_code = raw_ref_value.strip()
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if normalized_code and normalized_code[0].lower() == "u":
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normalized_code = normalized_code[1:]
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ref_user = None
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if normalized_code:
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ref_user = await user_dal.get_user_by_referral_code(
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session, normalized_code)
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if ref_user and ref_user.user_id != user_id:
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referred_by_user_id = ref_user.user_id
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elif promo_match:
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promo_code_to_apply = promo_match.group(1)
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logging.info(f"User {user_id} started with promo code: {promo_code_to_apply}")
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