add patch

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

@@ -0,0 +1,87 @@
+import json
+import sqlite3
+
+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 glom import glom
+from layercake.dateutils import now
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, SortKey
+from sqlite_utils import Database
+
+from boto3clients import dynamodb_client
+from config import (
+    COURSE_TABLE,
+    ENROLLMENT_TABLE,
+    SQLITE_DATABASE,
+    SQLITE_TABLE,
+    USER_TABLE,
+)
+
+sqlite3.register_converter('json', json.loads)
+
+logger = Logger(__name__)
+enrollment_layer = DynamoDBPersistenceLayer(ENROLLMENT_TABLE, dynamodb_client)
+
+
+@event_source(data_class=EventBridgeEvent)
+@logger.inject_lambda_context
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    new_image = event.detail['new_image']
+    now_ = now()
+    course_id = glom(new_image, 'course.id')
+
+    data = enrollment_layer.collection.get_items(
+        KeyPair(
+            pk=glom(new_image, 'user.id'),
+            sk=SortKey('konviva', path_spec='konvivaId'),
+            rename_key='user_id',
+            table_name=USER_TABLE,
+        )
+        + KeyPair(
+            pk=course_id,
+            sk=SortKey('0', path_spec='metadata__konviva_class_id'),
+            table_name=COURSE_TABLE,
+            rename_key='class_id',
+        ),
+        flatten_top=False,
+    )
+
+    if 'class_id' not in data:
+        data['class_id'] = _get_class_id(course_id)
+
+    logger.info('IDs found', ids=data)
+
+    return enrollment_layer.put_item(
+        item={
+            'id': new_image['id'],
+            'sk': 'konviva',
+            'user_id': data['user_id'],
+            'class_id': data['class_id'],
+            'created_at': now_,
+        },
+        cond_expr='attribute_not_exists(sk)',
+    )
+
+
+class CourseNotFoundError(Exception):
+    def __init__(self, *args):
+        super().__init__('Course not found')
+
+
+def _get_class_id(course_id: str) -> int:
+    with sqlite3.connect(
+        database=SQLITE_DATABASE, detect_types=sqlite3.PARSE_DECLTYPES
+    ) as conn:
+        db = Database(conn)
+        rows = db[SQLITE_TABLE].rows_where(
+            "json->>'$.metadata__betaeducacao_id' = ?", [course_id]
+        )
+
+        for row in rows:
+            return int(row['json']['metadata__konviva_id'])
+
+    raise CourseNotFoundError