├── README.md
└── func.py


/README.md:
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1 | # aws-lex-bitcoin-chatbot


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/func.py:
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 1 | """
 2 | Lexbot Lambda handler.
 3 | """
 4 | from urllib.request import Request, urlopen
 5 | import json
 6 | 
 7 | def get_bitcoin_price(date):
 8 |     print('get_bitcoin_price, date = ' + str(date))
 9 |     request = Request('https://rest.coinapi.io/v1/ohlcv/BITSTAMP_SPOT_BTC_USD/latest?period_id=1DAY&limit=1&time_start={}'.format(date))
10 |     request.add_header('X-CoinAPI-Key', '73034021-0EBC-493D-8A00-E0F138111F41')
11 |     response = json.loads(urlopen(request).read())
12 |     return response[0]['price_close']
13 |     
14 | def lambda_handler(event, context):
15 |     print('received request: ' + str(event))
16 |     date_input = event['currentIntent']['slots']['Date']
17 |     btc_price = get_bitcoin_price(date_input)
18 |     response = {
19 |         "dialogAction": {
20 |             "type": "Close",
21 |             "fulfillmentState": "Fulfilled",
22 |             "message": {
23 |               "contentType": "SSML",
24 |               "content": "Bitcoin's price was {price} dollars".format(price=btc_price)
25 |             },
26 |         }
27 |     }
28 |     print('result = ' + str(response))
29 |     return response
30 | 


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