add

users-events/app/events/batch/csv_into_chunks.py

@@ -0,0 +1,20 @@
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+from boto3clients import s3_client
+from config import CHUNK_SIZE
+from csv_utils import byte_ranges
+
+transport_params = {'client': s3_client}
+
+
+@event_source(data_class=EventBridgeEvent)
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    new_image = event.detail['new_image']
+    csvfile = new_image['s3uri']
+    pairs = byte_ranges(csvfile, CHUNK_SIZE, transport_params=transport_params)
+
+    return True

users-events/app/events/batch/excel_to_csv.py

@@ -0,0 +1,14 @@
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+from boto3clients import s3_client
+
+transport_params = {'client': s3_client}
+
+
+@event_source(data_class=EventBridgeEvent)
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    return True

users-events/app/events/batch/read_csv_chunk.py

@@ -0,0 +1,55 @@
+import csv
+from io import StringIO
+from typing import TYPE_CHECKING
+
+from aws_lambda_powertools.utilities.data_classes import (
+    EventBridgeEvent,
+    event_source,
+)
+from aws_lambda_powertools.utilities.typing import LambdaContext
+
+from boto3clients import s3_client
+
+if TYPE_CHECKING:
+    from mypy_boto3_s3.client import S3Client
+else:
+    S3Client = object
+
+transport_params = {'client': s3_client}
+
+
+@event_source(data_class=EventBridgeEvent)
+def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
+    new_image = event.detail['new_image']
+    csvfile = new_image['s3_uri']
+
+    data = _get_s3_object_range(
+        csvfile,
+        start_byte=new_image['start_byte'],
+        end_byte=new_image['end_byte'],
+        s3_client=s3_client,
+    )
+    reader = csv.reader(data)
+
+    for x in reader:
+        print(x)
+
+    return True
+
+
+def _get_s3_object_range(
+    s3_uri: str,
+    *,
+    start_byte: int,
+    end_byte: int,
+    s3_client: S3Client,
+) -> StringIO:
+    bucket, key = s3_uri.replace('s3://', '').split('/', 1)
+
+    response = s3_client.get_object(
+        Bucket=bucket,
+        Key=key,
+        Range=f'bytes={start_byte}-{end_byte}',
+    )
+
+    return StringIO(response['Body'].read().decode('utf-8'))

users-events/app/events/email_receiving.py

@@ -0,0 +1,40 @@
+import urllib.parse as urllib_parse
+from email.utils import parseaddr
+
+from aws_lambda_powertools import Logger
+from aws_lambda_powertools.utilities.data_classes import SESEvent, event_source
+from aws_lambda_powertools.utilities.typing import LambdaContext
+from layercake.dynamodb import DynamoDBPersistenceLayer, KeyPair, SortKey
+
+from boto3clients import dynamodb_client
+from config import USER_TABLE
+from ses_utils import get_header_value
+
+logger = Logger(__name__)
+user_layer = DynamoDBPersistenceLayer(USER_TABLE, dynamodb_client)
+
+
+@logger.inject_lambda_context
+@event_source(data_class=SESEvent)
+def lambda_handler(event: SESEvent, context: LambdaContext) -> dict:
+    ses = event.record.ses
+    to = urllib_parse.unquote(ses.receipt.recipients[0]).lower()
+    name, email_from = parseaddr(get_header_value(ses.mail.headers, 'from'))
+
+    org_id = user_layer.collection.get_item(
+        KeyPair('email', SortKey(to, path_spec='user_id')),
+        raise_on_error=False,
+        default={},
+    )
+
+    if not org_id:
+        return {'disposition': 'STOP_RULE_SET'}
+
+    print(
+        {
+            'id': f'mailbox#{org_id}',
+            'sk': ses.mail.message_id,
+        }
+    )
+
+    return {'disposition': 'CONTINUE'}