add certs

enrollments-events/app/events/issue_cert.py

@@ -1,15 +1,18 @@
+import json
+from datetime import datetime
+
+import requests
 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.dynamodb import DynamoDBPersistenceLayer, KeyPair
+from layercake.dateutils import fromisoformat, now
+from layercake.dynamodb import DynamoDBPersistenceLayer, SortKey, TransactKey
 
-from boto3clients import dynamodb_client
-from config import (
-    ENROLLMENT_TABLE,
-)
+from boto3clients import dynamodb_client, s3_client
+from config import BUCKET_NAME, ENROLLMENT_TABLE, PAPERFORGE_API
 
 logger = Logger(__name__)
 enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
@@ -19,11 +22,87 @@ enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
 @logger.inject_lambda_context
 def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     new_image = event.detail['new_image']
-    course_metadata = enrollment_layer.collection.get_item(
-        KeyPair(
-            pk=new_image['id'],
-            sk='METADATA#COURSE',
-        ),
+    now_ = now()
+    course = enrollment_layer.collection.get_items(
+        TransactKey(new_image['id'])
+        + SortKey('METADATA#COURSE', path_spec='cert', rename_key='cert')
+        + SortKey('STARTED', path_spec='started_at', rename_key='started_at')
+        + SortKey('COMPLETED', path_spec='completed_at', rename_key='completed_at'),
+        flatten_top=False,
     )
 
+    if 'cert' not in course:
+        # There is no certificate to issue from metadata
+        return False
+
+    started_at: datetime = fromisoformat(course['started_at'])  # type: ignore
+    completed_at: datetime = fromisoformat(course['completed_at'])  # type: ignore
+
+    json_data = json.dumps(
+        {
+            'template_s3_uri': course['cert']['s3_uri'],
+            'template_vars': {
+                'name': new_image['user']['name'],
+                'cpf': _cpffmt(new_image['user']['cpf']),
+                'score': new_image['score'],
+                'started_at': started_at.strftime('%d/%m/%Y'),
+                'completed_at': completed_at.strftime('%d/%m/%Y'),
+                'today': _datefmt(now_),
+            },
+        },
+    )
+    # Send template URI and data to Paperforge API to generate a PDF
+    r = requests.post(PAPERFORGE_API, data=json_data)
+    r.raise_for_status()
+
+    object_key = 'issuedcerts/{completed_at}_{id}.pdf'.format(
+        completed_at=completed_at.strftime('%Y-%m-%d'),
+        id=new_image['id'],
+    )
+    s3_uri = f's3://{BUCKET_NAME}/{object_key}'
+
+    try:
+        s3_client.put_object(
+            Bucket=BUCKET_NAME,
+            Key=object_key,
+            Body=r.content,
+            ContentType='application/pdf',
+        )
+    except Exception as exc:
+        logger.exception(exc)
+        raise
+
+    enrollment_layer.put_item(
+        item={
+            'id': new_image['id'],
+            'sk': 'ISSUED_CERT',
+            's3_uri': s3_uri,
+            'created_at': now_,
+        }
+    )
+
+    logger.info(f'PDF uploaded successfully to {s3_uri}')
+
     return True
+
+
+def _cpffmt(s: str) -> str:
+    return '{}.{}.{}-{}'.format(s[:3], s[3:6], s[6:9], s[9:])
+
+
+def _datefmt(dt: datetime) -> str:
+    months = [
+        'Janeiro',
+        'Fevereiro',
+        'Março',
+        'Abril',
+        'Maio',
+        'Junho',
+        'Julho',
+        'Agosto',
+        'Setembro',
+        'Outubro',
+        'Novembro',
+        'Dezembro',
+    ]
+    return f'{dt.day:02d} de {months[dt.month - 1]} de {dt.year}'

enrollments-events/app/events/stopgap/patch_course_metadata.py

@@ -50,9 +50,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
                     'sk': 'METADATA#COURSE',
                     'created_at': now_,
                     'access_period': int(course['access_period']),
-                    'cert': {
-                        'exp_interval': int(course['cert']['exp_interval']),
-                    },
+                    'cert': course.get('cert', None),
                 }
             )
     except Exception as exc: