.gitignore

/.env

.ruby-version

2.5.1

slack_status.rb

#!/usr/bin/env ruby
# frozen_string_literal: true

require 'net/http'
require 'uri'
require 'json'

PROFILES = {
  coding: {
    status_text: 'コード書いてる',
    status_emoji: ':desktop_computer:'
  },
  terminal: {
    status_text: '黒い画面でなんかやってる',
    status_emoji: ':desktop_computer:'
  },
  reviewing: {
    status_text: 'コードレビューしてる',
    status_emoji: ':octocat:'
  },
  slack: {
    status_text: 'Slack見てる',
    status_emoji: ':slack_new:'
  },
  pivotal: {
    status_text: 'Pivotal見てる',
    status_emoji: ':ballot_box_with_check:'
  },
  confluence: {
    status_text: 'コンフル見てる',
    status_emoji: ':confluencce:'
  },
  emacs_config: {
    status_text: 'エディタの設定してる',
    status_emoji: ':gnu_emacs:'
  },
  r: {
    status_text: 'R書いてる',
    status_emoji: ':r:'
  },
  active: {
    status_text: 'PCの前にいる',
    status_emoji: ':raising_hand:'
  },
  away: {
    status_text: 'PCの前にいない',
    status_emoji: ':double_vertical_bar:'
  },
  halt: {
    status_text: 'おやすみー',
    status_emoji: ':sleeping:'
  }
}.freeze

def active_window_name
  script = <<~EOS
  tell application "System Events"
    set frontApp to name of first application process whose frontmost is true
  end tell
  tell application frontApp
    if the (count of windows) is not 0 then
      set window_name to name of front window
    end if
  end tell
  return {frontApp, window_name}
  EOS

  `osascript -e '#{script}'`.strip
end

def locked?
  script = 'import Quartz; print Quartz.CGSessionCopyCurrentDictionary()'
  `/usr/bin/python -c '#{script}'`.match? /CGSSessionScreenIsLocked = 1/
end

def status_for(window_name)
  case window_name
  when /\A(?:Mozilla Firefox|Chromium|Google Chrome), (.+)\z/
    browser_status Regexp.last_match(1)
  when /\ATerminal, /
    :terminal
  when /\AEmacs, (.+)\z/
    emacs_status Regexp.last_match(1)
  when /vim/i
    :coding
  else
    :active
  end
end

def browser_status(title)
  case title
  when /\APull Requests · /
    :reviewing
  when / · Pull Request #\d+/, /\Aプルリクエスト#\d+/
    :reviewing
  when /\A\S+ \| .+ Slack\z/
    :slack
  when /- Pivotal Tracker\z/
    :pivotal
  when /- Confluence\z/
    :confluence
  else
    :active
  end
end

def emacs_status(title)
  case title
  when /.+\.el\z/
    :emacs_config
  when /.+\.R\z/i, /\A\*R:/
    :r
  else
    :coding
  end
end

def current_status
  if locked?
    :away
  else
    status_for active_window_name
  end
end

def post_profile!(token, status = nil)
  status ||= current_status

  profile = PROFILES[status.to_sym]
  raise 'Unknown status' unless profile

  uri = URI.parse 'https://slack.com/api/users.profile.set'
  Net::HTTP.post_form(uri, token: token, profile: profile.to_json)
end

def main
  token = ENV['SLACK_API_TOKEN']
  raise 'SLACK_API_TOKEN is not specified' unless token
  status, = ARGV
  res = post_profile!(token, status)
  exit res.is_a? Net::HTTPOK
end

if __FILE__ == $0
  main
end

watch_slack_status.sh

#!/bin/bash
set -e

dir=.

cd "$dir"

source .env
export SLACK_API_TOKEN="$SLACK_API_TOKEN"

watch -n 20 ./slack_status.rb && ./slack_status.rb halt