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Slack Watcher
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source "https://rubygems.org" | |
gem "slack-api" | |
gem "slack-rtmapi" | |
gem "dotenv" | |
gem "activesupport" |
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require 'slack' | |
require 'slack-rtmapi' | |
require 'dotenv' | |
require 'active_support' | |
require 'active_support/core_ext' | |
POST_CHANNEL_NAME = 'bot_devastation' | |
Dotenv.load | |
class StandardError | |
def report | |
"#{self.class}: #{message}\n#{backtrace.join("\n")}" | |
end | |
end | |
class SlackChannelWatcher | |
def initialize(channel_name_for_post) | |
@channel_id_for_post = channel_name_to_id(channel_name_for_post) | |
end | |
def slack | |
@slack ||= Slack.client(token: ENV['SLACK_TOKEN']) | |
end | |
def rtm_client(opts = {}) | |
url = SlackRTM.get_url(token: ENV['SLACK_TOKEN']) | |
client = SlackRTM::Client.new(websocket_url: url) | |
handle_message!(client) | |
client | |
end | |
def channels(opts = {}) | |
opts{:clear_cache} ? (@channels = slack.channels_list['channels']) : (@channels ||= slack.channels_list['channels']) | |
end | |
def channel_name_to_id(name) | |
channels.find { |channel| channel['name'] == name }['id'] | |
end | |
def resolve_channel_name(id, opts = {}) | |
channel_info = channels.find { |channel| channel['id'] == id } | |
if opts[:light] | |
channel_info['name'] | |
else | |
"<##{channel_info['id']}|#{channel_info['name']}>" | |
end | |
end | |
def post_message(channel = @channel_id_for_post, text) | |
slack.chat_postMessage(channel: channel, text: text, as_user: true) | |
end | |
def handle_message!(handled_rtm_client) | |
handled_rtm_client.on(:message) do |message| | |
begin | |
case message['type'] | |
when 'channel_created' | |
channels('update_cache') | |
post_message("#{resolve_channel_name(message['channel']['id'])} っていうチャンネルができたみたいだけど……") | |
when 'channel_rename' | |
old_name = resolve_channel_name(message['channel']['id'], light: true) | |
channels(clear_cache: true) | |
new_name = resolve_channel_name(message['channel']['id']) | |
post_message("##{old_name}が#{new_name}に変異したみたいだけどっ!") | |
when 'channel_archive' | |
channels(cleac_cache: true) | |
post_message("またひとつ、#{resolve_channel_name(message['channel'])} っていうチャンネルがアーカイブの世界に閉じ込められた") | |
when 'channel_deleted' | |
post_message("っ、#{resolve_channel_name(message['channel'])} っていうチャンネルの気配が消えた……") | |
when "bot_added" | |
post_message("なんだか、<@#{message['bot']['id']}> っていう新しい#{message['bot']['name']}の気配を感じる") | |
when "channel_unarchive" | |
channels(clear_chache: true) | |
post_message("墓地から#{resolve_channel_name(message['channel'])} っていうチャンネルを場に出す") | |
when "emoji_changed" | |
case message['subtype'] | |
when "add" | |
post_message("うー、またわけのわからない :#{message['name']}: `#{message['name']}` っていう絵文字が増えたー") | |
when "remove" | |
names = message['names'].map { |n| ":#{n}:" }.join(' ') | |
post_message("#{names} っていう絵文字が消えたけど、別にいいよね") | |
end | |
end | |
rescue => e | |
post_message("なんかダメだった₍₍ (ง´・_・`)ว ⁾⁾\n#{message}\n#{e.report}") | |
end | |
end | |
end | |
end | |
while | |
channel_watcher = SlackChannelWatcher.new(POST_CHANNEL_NAME) | |
begin | |
channel_watcher.channels(clear_cache: true) | |
channel_watcher.post_message("おはよう") | |
channel_watcher.rtm_client.main_loop | |
rescue => e | |
puts e.report | |
channel_watcher.post_message("(๑°⌓°๑)") | |
end | |
channel_watcher.post_message("(๑˃̵ᴗ˂̵)و") | |
end |
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