PSA In stock notification

#!/usr/bin/env ruby

require 'nokogiri'

require 'open-uri'

require 'aws-sdk-sns'

require 'time'


url = "https://palmettostatearmory.com/psa-ar-15-approval-15-stripped-lower-receiver.html"

data = Nokogiri::HTML(open(url))

key = 'XXX'

secret = 'XXX'

aws_account = 'MY_ACCOUNT_HERE'

sns_topic = 'InStock'


sns = Aws::SNS::Resource.new(region: 'us-east-1', access_key_id: key, secret_access_key: secret)

topic = sns.topic("arn:aws:sns:us-east-1:#{aws_account}:#{sns_topic}")


timestamp = Time.now


begin

stock_info = data.at_css(".product-availability").text.strip


if stock_info.include?("In stock")

topic.publish({message: "ATF lower is in stock!!!"})

puts "#{timestamp} IS"

elsif stock_info.include?("OUT OF STOCK")

puts "#{timestamp} NIS"

else

puts "#{timestamp} Stock info not set proper: #{stock_info}"

topic.publish({message: "Some other thing: #{stock_info}"})

end

rescue Exception => e

puts "#{timestamp} Error: #{e}"

topic.publish({message: "Script failed: #{e}"})

end