ChatGPT-generated script to find the arrival time of a train at a given station in Portland, OR

trains.rb

#!/usr/bin/env ruby

require 'net/http'
require 'json'
require 'time'
# Replace with your TriMet API key
API_KEY = '73E10D534D59A179A687B98EDEE'

# Replace with the TriMet stop ID for the stop you're interested in
STOP_ID = '13136'

# Construct the API endpoint URL
url = URI.parse("https://developer.trimet.org/ws/v2/arrivals?locIDs=#{STOP_ID}&appID=#{API_KEY}")

# Make an HTTP GET request to the API endpoint
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Get.new(url.request_uri)
response = http.request(request)

# Parse the JSON response
data = JSON.parse(response.body)

# Extract relevant information from the response
if data['errorMessage']
  puts "Error: #{data['errorMessage']}"
else
  stop_name = data['resultSet']['location'][0]['desc']
  arrivals = data['resultSet']['arrival']

puts "Train times for #{stop_name}:"
  arrivals.each do |arrival|
    route = arrival['route']
    short_sign = arrival['shortSign']
        estimated_time_ms = arrival['estimated']
    estimated_time = Time.at(estimated_time_ms / 1000.0).strftime('%Y-%m-%d %H:%M:%S.%L')
    status = arrival['status']
    puts "Route #{route} - #{short_sign}: #{estimated_time} (#{status})"
  end
end