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📜 Twilio Tasks

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ARQ tasks for SMS and WhatsApp notifications via Twilio.

File: src/workers/notification_worker/tasks/twilio_tasks.py

send_twilio_task

async def send_twilio_task(ctx, phone_number, message, appointment_id=None, media_url=None, variables=None):

Multi-channel dispatch with fallback:

1. WhatsApp Template (if variables and TWILIO_WHATSAPP_TEMPLATE_SID set)
2. WhatsApp Free-form (with optional media)
3. SMS (final fallback)

Each attempt logs success/failure and sends a status update.

send_appointment_notification

async def send_appointment_notification(ctx, appointment_id, status, reason_text=None):

Autonomous notification dispatcher. Orchestrates both Email and Twilio tasks:

1. Loads appointment data from Redis cache (notifications:cache:{id}).
2. Email: Enqueues send_email_task with confirmation or cancellation template.
3. Twilio: Prepares WhatsApp template variables (date, time, name) and enqueues send_twilio_task.