Testing a way to have background api monitoring

api_monitor_uninterrupted.cr

# TODO: Write documentation for `HttpTest`

require "http"
require "json"

module HttpTest
  VERSION = "0.1.0"

  class API
    def initialize(@host = "yesno.wtf", @port = 443)
      @client = HTTP::Client.new(@host, @port, tls: true)

      @ch = Channel(JSON::Any).new
      spawn do
        loop do
          @ch.send(p! invoke_wtf_get_request)
          sleep 1.second
        end
      end
    end

    def invoke_wtf_get_request
      JSON.parse(@client.get("/api").body)
    end

    # https://gist.github.com/lbarasti/dab35d474ff55c68fdbb985a1d6147c9
    Cache = Hash(Symbol, JSON::Any?).new

    def get_wtf()
      # Basically I want to get the request instantly, since it's in the background, so there's no latency to my main loop
      # However, if the response doesn't come in time, just get the cached response
      select
      when v = @ch.receive
        Cache[:wtf] = v
      else
        Cache[:wtf]
      end
    end
  end

  api = API.new

  # Trying to see if I can get the while loop to spam text, while still getting uptodate API requests
  loop do
    puts "This text should be spamming the terminal, except it's help up with the api request"
    begin
      p api.get_wtf()
    rescue KeyError
      puts "Oh no"
    end
    sleep 0.1.seconds
  end

  # TODO: Put your code here
end