Make it Rain Raspberry Pi GPIO controlling script

makeitrain.rb

require 'httparty'
require 'json'
require 'dotenv/load'

url = 'https://websiteURLgoesHere'

if ENV['RaspberryPi'] == true
  require 'rpi_gpio'
end

def trigger_water(relay)
  if ENV['RaspberryPi'] == true
    RPi::GPIO.clean_up
    RPi::GPIO.set_numbering :bcm
    RPi::GPIO.setup relay, :as => :output

    RPi::GPIO.set_high relay
    sleep 10
    RPi::GPIO.set_low relay
    RPi::GPIO.clean_up
  else
    sleep 10
  end
end

loop do
  begin
    response = HTTParty.get(url+"/retrieve.json")
    puts response.code
    puts "---------------"
    
    if response.code == 200
      puts response.body
      puts "---------------"
      json = JSON.parse(response.body)
      puts json
      id = json['id']
      value = json['value']
      puts value

      if value >= 99 && value <= 499
        puts "Watering body"
        trigger_water(4)
      end
      if value >= 500
        puts "Watering head"
        trigger_water(17)
      end
      HTTParty.post(url+"/complete_event", body: { event_id: id, completed: true })

    else
      sleep 5
    end
  rescue Exception => e
    puts "Cannot connect to server"
    sleep 5
  end
end