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