modeset/bitbot-responders

# encoding: UTF-8
require "open-uri"

class StatusResponder < Bitbot::Responder
  include Bitbot::Responder::Wit

  SERVICE = "https://status.heroku.com/api/v3"

  category "Heroku"

  help "heroku:status",
       description: "Returns the current Heroku status for app operations and tools",
       examples: ["heroku status?", "what's the status of heroku?"]

  help "heroku:issues",
       description: "Returns a list of the most recent 5 issues",
       examples: ["heroku issues?", "is heroku reporting any issues?"]

  intent "heroku_status", :heroku_status
  intent "heroku_issues", :heroku_issues

  route :heroku_status, /^heroku:status$/i do
    respond_with(attachments: status_attachments, parse: "none") do
      "Heroku status as reported:"
    end
  end

  route :heroku_issues, /^heroku:issues/i do
    respond_with(attachments: [issue_attachment], parse: "none") do
      "Okay #{message.user_name}, here are the most recent Heroku issues:"
    end
  end

  private

  def status_attachments
    info = JSON.parse(open("#{SERVICE}/current-status").read)
    status = info["status"]
    platforms = ["Production", "Development"].map do |platform|
      {
        fallback: "#{platform}: #{status[platform]}",
        text: "#{platform}: #{status[platform]}",
        color: color_for(status[platform])
      }
    end
    platforms + [issue_attachment(info["issues"])]
  end

  def issue_attachment(issues = nil)
    issues ||= JSON.parse(open("#{SERVICE}/issues?limit=5").read)
    text = issues.map do |i|
      resolution = i["resolved"] ? "(resolved)" : "(unresolved)"
      "#{resolution} #{i['title']} -- <#{i['full_url']}|read more>\n"
    end

    { fallback: text.join(""), text: text.join("") }
  end

  def color_for(status)
    case status
    when "red" then "#FF0000"
    when "yellow" then "#FFD000"
    when "green" then "#00FF00"
    end
  end
end