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saladeaula.digital/enrollments-events/app/events/send_reminder_emails.py

70 lines
1.9 KiB
Python

from aws_lambda_powertools import Logger
from aws_lambda_powertools.utilities.data_classes import (
EventBridgeEvent,
event_source,
)
from aws_lambda_powertools.utilities.typing import LambdaContext
from layercake.dateutils import now
from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair
from boto3clients import dynamodb_client, sesv2_client
from config import (
EMAIL_SENDER,
ENROLLMENT_TABLE,
)
from .emails import TEMPLATES, send_email
logger = Logger(__name__)
dyn = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
@event_source(data_class=EventBridgeEvent)
@logger.inject_lambda_context
def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
old_image = event.detail['old_image']
now_ = now()
pk, sk = old_image['id'], old_image['sk']
event_name = sk.removeprefix('SCHEDULE#').lower()
template = TEMPLATES[event_name]
# If email is missing, use enrollment email
if 'email' not in old_image:
r = dyn.get_item(KeyPair(pk=old_image['id'], sk='0'))
old_image['name'] = r['user']['name']
old_image['email'] = r['user']['email']
old_image['course'] = r['course']['name']
try:
send_email(
to=(old_image['name'], old_image['email']),
subject=template['subject'],
message=template['message'],
context={'course': old_image['course']},
sender=EMAIL_SENDER,
sesv2_client=sesv2_client,
)
dyn.put_item(
item={
'id': pk,
'sk': f'{sk}#EXECUTED',
'created_at': now_,
}
)
except Exception as exc:
logger.exception(exc)
dyn.put_item(
item={
'id': pk,
'sk': f'{sk}#FAILED',
'created_at': now_,
}
)
return False
else:
logger.info('Email sent')
return True