notifications-api/app/service/send_notification.py

from app.config import QueueNames
from app.notifications.validators import (
    check_service_over_daily_message_limit,
    check_sms_content_char_count,
    validate_and_format_recipient,
)
from app.notifications.process_notifications import (
    create_content_for_notification,
    persist_notification,
    send_notification_to_queue,
)
from app.models import (
    KEY_TYPE_NORMAL,
    PRIORITY,
    SMS_TYPE,
)
from app.dao.services_dao import dao_fetch_service_by_id
from app.dao.templates_dao import dao_get_template_by_id_and_service_id


def send_one_off_notification(service_id, post_data):
    service = dao_fetch_service_by_id(service_id)
    template = dao_get_template_by_id_and_service_id(
        template_id=post_data['template_id'],
        service_id=service_id
    )

    personalisation = post_data.get('personalisation', None)

    if template.template_type == SMS_TYPE:
        template_with_content = create_content_for_notification(template, personalisation)
        check_sms_content_char_count(template_with_content.content_count)

    check_service_over_daily_message_limit(KEY_TYPE_NORMAL, service)

    validate_and_format_recipient(
        send_to=post_data['to'],
        key_type=KEY_TYPE_NORMAL,
        service=service,
        notification_type=template.template_type
    )

    notification = persist_notification(
        template_id=template.id,
        template_version=template.version,
        recipient=post_data['to'],
        service=service,
        personalisation=personalisation,
        notification_type=template.template_type,
        api_key_id=None,
        key_type=KEY_TYPE_NORMAL
    )

    queue_name = QueueNames.PRIORITY if template.process_type == PRIORITY else None
    send_notification_to_queue(
        notification=notification,
        research_mode=service.research_mode,
        queue=queue_name
    )

    return {'id': str(notification.id)}