109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
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, ttl
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from layercake.dynamodb import (
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DynamoDBPersistenceLayer,
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KeyPair,
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SortKey,
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TransactKey,
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)
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from boto3clients import dynamodb_client
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from config import (
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IUGU_ACCOUNT_ID,
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IUGU_API_TOKEN,
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IUGU_POSTBACK_URL,
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IUGU_TEST_MODE,
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ORDER_TABLE,
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)
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from iugu import Credentials, Iugu, Order
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logger = Logger(__name__)
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dyn = DynamoDBPersistenceLayer(ORDER_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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new_image = event.detail['new_image']
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now_ = now()
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order_id = new_image['id']
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r = dyn.collection.get_items(
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TransactKey(order_id)
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+ SortKey('ADDRESS', rename_key='address')
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+ SortKey('ITEMS', path_spec='items', rename_key='items')
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+ SortKey('CREDIT_CARD#PAYMENT_INTENT', rename_key='credit_card')
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+ SortKey(
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'METADATA#TEST_MODE',
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rename_key='iugu_api_token',
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path_spec='iugu_api_token',
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),
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flatten_top=False,
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)
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api_token = r.get('iugu_api_token')
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test_mode = (api_token is not None) or IUGU_TEST_MODE
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credentials = Credentials(
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IUGU_ACCOUNT_ID,
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# Note: `api_token` can be set from the database
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api_token or IUGU_API_TOKEN,
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test_mode=test_mode,
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)
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payment_method = new_image['payment_method']
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is_pix = payment_method == 'PIX'
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is_bank_slip = payment_method == 'BANK_SLIP'
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iugu = Iugu(credentials)
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invoice = iugu.create_invoice(
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order=Order(
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address=r.get('address', {}),
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items=r.get('items', []),
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**new_image,
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),
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postback_url=f'{IUGU_POSTBACK_URL}/{order_id}/postback',
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)
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try:
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with dyn.transact_writer() as transact:
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transact.put(
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item={
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'id': order_id,
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'sk': 'INVOICE',
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'payment_method': payment_method,
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'invoice_id': invoice['secure_id'],
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'secure_url': invoice['secure_url'],
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'created_at': now_,
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# Uncomment this when adding for multiple payment providers
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# 'payment_provider': 'iugu',
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}
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| ({'bank_slip': invoice['bank_slip']} if is_bank_slip else {})
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| ({'pix': invoice['pix']} if is_pix else {}),
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cond_expr='attribute_not_exists(sk)',
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)
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if 'credit_card' in r:
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transact.put(
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item={
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'id': order_id,
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'sk': 'TRANSACTION',
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'invoice_id': invoice['secure_id'],
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'credit_card': r['credit_card'],
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'installments': int(new_image.get('installments', 1)),
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'ttl': ttl(start_dt=now_, minutes=5),
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'created_at': now_,
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},
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cond_expr='attribute_not_exists(sk)',
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)
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transact.delete(
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key=KeyPair(order_id, 'CREDIT_CARD#PAYMENT_INTENT'),
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)
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except Exception:
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pass
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return True
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