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5
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1 import json
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2 import boto3
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3 from boto3.dynamodb.conditions import Key
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4
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5 resource = boto3.resource('dynamodb')
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6 table = resource.Table('FinanceParser')
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7
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8
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9 def lambda_handler(event, context):
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10 query_string_parameters = event['queryStringParameters']
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11 company_ticker = query_string_parameters['ticker']
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12 report_type = query_string_parameters['type']
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13 year = query_string_parameters['year']
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14
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15 pk = f'{report_type}#{company_ticker}'
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16 response = table.query(
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17 KeyConditionExpression=Key('pk').eq(pk) & Key('sk').begins_with(year)
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18 )
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19
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20 return {
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21 "statusCode": 200,
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7
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22 "headers": {
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23 "Access-Control-Allow-Headers": "Content-Type",
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24 "Access-Control-Allow-Origin": "*",
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25 "Access-Control-Allow-Methods": "GET"
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26 },
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5
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27 "body": json.dumps({
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28 "message": {
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29 "items": response['Items'],
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30 "count": len(response['Items'])
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31 }
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32 }),
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33 }
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