Offer Links Monitoring Tasks

🔍 Overview

These tasks monitor Offer Links:

• block offer links when domains become unsafe (Google Safe Browsing)
• block offer links when domains are not resolvable (DNS)
• unblock offer links when they become safe again

Notifications are sent via the offers Telegram bot.

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⏱ Schedule (Celery Beat)

Configured in config/settings.py:

• check_active_offer_links_task — every hour (minute 0)
• check_blocked_offer_links_task — daily at 08:30

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📝 Task Behavior

1) Active offer links check (GSB)

• selects offer links with statuses: active and unblocked
• checks their domains via Google Safe Browsing
• for unsafe domains: calls OfferLink.set_block(reason=threat_type)
• triggers DNS check task after completion

2) Active offer links check (DNS)

• for each domain that is not resolvable:
  • blocks all matching offer links with reason DNS_NOT_RESOLVABLE

3) Blocked offer links re-check (GSB)

• selects offer links with status blocked (excluding DNS blocks)
• checks domains via Google Safe Browsing
• for safe domains: calls OfferLink.set_unblock()

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🔗 Related docs

• Offer Links Model
• Google Safe Browsing
• Send Messages Task