36 lines
1.1 KiB
Python
36 lines
1.1 KiB
Python
import requests
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from aws_lambda_powertools.utilities.data_classes import (
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DynamoDBStreamEvent,
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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.dateutils import now
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from layercake.dynamodb import DynamoDBPersistenceLayer
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from boto3clients import dynamodb_client
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from config import API_URL, COURSE_TABLE
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course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
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@event_source(data_class=DynamoDBStreamEvent)
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def lambda_handler(event: DynamoDBStreamEvent, context: LambdaContext) -> bool:
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r = requests.get(f'{API_URL}/courses.json')
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r.raise_for_status()
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data = r.json()
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now_ = now()
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with course_layer.batch_writer() as batch:
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for course in data:
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batch.put_item(
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{
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'id': {'S': course['id']},
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'sk': {'S': 'metadata#unit_price'},
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'unit_price': {'N': str(course['metadata']['unit_price'])},
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'create_date': {'S': now_.isoformat()},
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}
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)
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return True
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