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updateLeaderboard.py
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updateLeaderboard.py
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import boto3
import json
import time
from boto3.dynamodb.conditions import Attr
def getLeaderboard():
dynamodb = boto3.resource('dynamodb')
table = dynamodb.Table('csjProgress')
response = table.scan(
ProjectionExpression='userid, userName, totalBadges, lastBadgeCompletedOn',
)
response = response['Items']
response = sorted(response, key=lambda i: (i['totalBadges'], -i['lastBadgeCompletedOn']), reverse=True)
for i in range(len(response)):
response[i]['lastBadgeCompletedOn'] = int(response[i]['lastBadgeCompletedOn'])
response[i]['totalBadges'] = int(response[i]['totalBadges'])
return response
def postToS3(data):
s3 = boto3.resource('s3')
bucket = s3.Bucket('csjprogress')
name = f'leaderboard.json'
bucket.put_object(
Key=name,
Body=json.dumps(data),
ContentType='application/json'
)
return name
def lambda_handler(event, context):
data = getLeaderboard()
url = f'https://csjprogress.s3.ap-south-1.amazonaws.com/{postToS3(data)}'
return {
'statusCode': 200,
'body': json.dumps({
'url': url
})
}
print(lambda_handler(0,0)['body'])