88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
from datetime import datetime
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from aws_lambda_powertools import Logger
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from aws_lambda_powertools.utilities.data_classes import (
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EventBridgeEvent,
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event_source,
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)
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from aws_lambda_powertools.utilities.typing import LambdaContext
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from layercake.dateutils import now
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from layercake.dynamodb import DynamoDBPersistenceLayer
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from layercake.funcs import pick
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from boto3clients import dynamodb_client
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from config import ENROLLMENT_TABLE
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from enrollment import Enrollment, Subscription, enroll
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logger = Logger(__name__)
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dyn = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
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@event_source(data_class=EventBridgeEvent)
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@logger.inject_lambda_context
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def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
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old_image = event.detail['old_image']
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sk = old_image['sk']
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now_ = now()
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# Key pattern `SCHEDULED#ORG#{org_id}`
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*_, org_id = old_image['id'].split('#')
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offset_days = old_image.get('dedup_window_offset_days')
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billing_day = old_image.get('subscription_billing_day')
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created_by = old_image.get('created_by')
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enrollment = Enrollment(
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course=old_image['course'],
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user=old_image['user'],
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)
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subscription: Subscription | None = (
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{
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'org_id': org_id,
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'billing_day': int(billing_day),
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}
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if billing_day
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else None
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)
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try:
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enroll(
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enrollment,
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org={
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'org_id': org_id,
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'name': old_image['org_name'],
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},
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subscription=subscription,
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cancel_policy=bool(subscription),
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created_by=created_by,
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scheduled_at=datetime.fromisoformat(old_image['created_at']),
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# Transfer the deduplication window if it exists
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deduplication_window={'offset_days': offset_days} if offset_days else None,
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persistence_layer=dyn,
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)
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keys = ('id', 'name')
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dyn.put_item(
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item={
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'id': old_image['id'],
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'sk': f'{sk}#EXECUTED',
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'enrollment_id': enrollment.id,
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'user': pick(keys, old_image['user']),
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'course': pick(keys, old_image['course']),
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'created_by': created_by,
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'created_at': now_,
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}
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)
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except Exception as exc:
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dyn.put_item(
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item={
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'id': old_image['id'],
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'sk': f'{sk}#FAILED',
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'cause': {
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'type': type(exc).__name__,
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'message': str(exc),
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},
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'snapshot': old_image,
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'created_at': now_,
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}
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)
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return True
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