60 lines
1.6 KiB
Python
60 lines
1.6 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 layercake.dynamodb import DynamoDBPersistenceLayer
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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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)
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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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course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
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deduplication_window = {'offset_days': 90}
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class DeduplicationConflictError(Exception):
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def __init__(self, *args):
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super().__init__('Enrollment already exists')
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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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return True
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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_course(course_id: str) -> dict:
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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 row['json']
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raise CourseNotFoundError
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