fix enroll and reenroll relationship

enrollments-events/app/events/reporting/send_report_email.py

@@ -0,0 +1,148 @@
+import json
+from datetime import date, datetime
+from email.mime.application import MIMEApplication
+
+import requests
+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.shared.json_encoder import Encoder
+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 layercake.email_ import Message
+
+from boto3clients import dynamodb_client, sesv2_client
+from config import (
+    CERT_REPORTING_URI,
+    EMAIL_SENDER,
+    ENROLLMENT_TABLE,
+    PAPERFORGE_API,
+    USER_TABLE,
+)
+
+SUBJECT = 'Certificados que vencerão em {month} na EDUSEG®'
+REPLY_TO = ('Carolina Brand', 'carolina@somosbeta.com.br')
+BCC = [
+    'sergio@somosbeta.com.br',
+    'carolina@somosbeta.com.br',
+    'tiago@somosbeta.com.br',
+]
+MESSAGE = """
+Oi, tudo bem?<br/><br/>
+
+Em anexo você encontra os certificados que vencerão em <strong>{month}</strong>.
+<br/><br/>
+
+Qualquer dúvida, estamos à disposição.
+"""
+
+
+logger = Logger(__name__)
+enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+user_layer = DynamoDBPersistenceLayer(USER_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']
+    # Key pattern `CERT#REPORTING#ORG#{org_id}`
+    *_, org_id = old_image['id'].split('#')
+    event_name = old_image['sk']
+    target_month = datetime.strptime(old_image['target_month'], '%Y-%m').date()
+    month = _monthfmt(target_month)
+    now_ = now()
+
+    result = enrollment_layer.collection.query(
+        KeyPair(
+            pk=old_image['id'],
+            sk='MONTH#{}#ENROLLMENT'.format(target_month.strftime('%Y-%m')),
+        ),
+        limit=150,
+    )
+
+    json_data = json.dumps(
+        {
+            'template_uri': CERT_REPORTING_URI,
+            'args': {
+                'month': month,
+                'items': result['items'],
+            },
+        },
+        cls=Encoder,
+    )
+    # Send template URI and data to Paperforge API to generate a PDF
+    r = requests.post(PAPERFORGE_API, data=json_data)
+    r.raise_for_status()
+
+    emailmsg = Message(
+        from_=EMAIL_SENDER,
+        to=_get_admin_emails(org_id),
+        reply_to=REPLY_TO,
+        bcc=BCC,
+        subject=SUBJECT.format(month=month),
+    )
+    emailmsg.add_alternative(MESSAGE.format(month=month))
+    attachment = MIMEApplication(r.content)
+    attachment.add_header(
+        'Content-Disposition',
+        'attachment',
+        filename='{}.pdf'.format(target_month.strftime('%Y-%m')),
+    )
+    emailmsg.attach(attachment)
+
+    try:
+        sesv2_client.send_email(
+            Content={
+                'Raw': {
+                    'Data': emailmsg.as_bytes(),
+                },
+            }
+        )
+        enrollment_layer.put_item(
+            item={
+                'id': old_image['id'],
+                'sk': f'{event_name}#EXECUTED',
+                'created_at': now_,
+            }
+        )
+        logger.info('Email sent')
+    except Exception as exc:
+        logger.exception(exc)
+        enrollment_layer.put_item(
+            item={
+                'id': old_image['id'],
+                'sk': f'{event_name}#FAILED',
+                'created_at': now_,
+            }
+        )
+        return False
+    else:
+        return True
+
+
+def _get_admin_emails(org_id: str) -> list[tuple[str, str]]:
+    # Post-migration: rename `admins` to `ADMIN`
+    r = user_layer.collection.query(KeyPair(org_id, 'admins'))
+    return [(x['name'], x['email']) for x in r['items']]
+
+
+def _monthfmt(dt: date) -> str:
+    months = [
+        'Janeiro',
+        'Fevereiro',
+        'Março',
+        'Abril',
+        'Maio',
+        'Junho',
+        'Julho',
+        'Agosto',
+        'Setembro',
+        'Outubro',
+        'Novembro',
+        'Dezembro',
+    ]
+    return f'{months[dt.month - 1]} de {dt.year}'