Building Slack Apps with Ruby – Kirill Shevchenko
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This document discusses how to build Slack apps and integrations using Ruby. It covers topics like setting up incoming webhooks to receive messages, creating slash commands, using bot users, and connecting to the Slack Real Time Messaging API. It also provides examples of building a basic bot using the slack-ruby-bot and slack-ruby-client libraries to post and receive messages on Slack.
Building Slack Apps with Ruby – Kirill Shevchenko
- 1. Building SlackBuilding Slack Apps withApps with RubyRuby
- 2. Integrations OverviewIntegrations Overview Slash Commands Custom Integrations Bot Users Incoming Webhooks
- 3. Incoming webhooksIncoming webhooks A way to send messages to Slack https://slack.com/apps/A0F7XDUAZ-incoming-webhooks
- 4. Incoming webhooksIncoming webhooks require 'slack/incoming/webhooks' slack = Slack::Incoming::Webhooks.new( 'WEBHOOK_URL' ) slack.post 'Useful information' https://github.com/shoyan/slack-incoming-webhooks
- 6. Slash commandsSlash commands A way to add /slash commands Creating a new Slack App Command request authorization Command validation and response Sending messages through Slack Web API
- 7. Creating a Slack AppCreating a Slack App https://api.slack.com/apps
- 9. Adding a commandAdding a command
- 10. Local HTTPS-ProxyLocal HTTPS-Proxy ./ngrok http 9292
- 11. Response SampleResponse Sample require 'sinatra' post '/' do 'OK' end
- 13. Legacy custom integrationsLegacy custom integrations Custom integrationsCustom integrations https://api.slack.com/custom-integrations/legacy-tokens
- 15. ToolsTools https://github.com/slack-ruby slack-ruby-botslack-ruby-bot Provides DSL for building text commands. slack-ruby-clientslack-ruby-client A Ruby and command-line client for the Slack Web and Real Time Messaging APIs.
- 16. slack-ruby-botslack-ruby-bot require 'slack-ruby-bot' class PongBot < SlackRubyBot::Bot command 'ping' do |client, data, match| client.say(text: 'pong', channel: data.channel) end end PongBot.run A Minimal Bot SLACK_API_TOKEN=... bundle exec ruby pongbot.rb
- 18. { "access_token": "xoxp-XXXXXXXX-XXXXXXXX-XXXXX", "scope": "commands,bot", "team_name": "Team Installing Your Bot", "team_id": "XXXXXXXXXX", "bot":{ "bot_user_id":"UTTTTTTTTTTR", "bot_access_token":"xoxb-XXXXXXXXXXXX-TTTTTTTTTTTTTT" } } ResponseResponse
- 19. Slack Web APISlack Web API The Web API is a collection of , all with URLs in the form: HTTP RPC-style methods https://slack.com/api/METHOD_FAMILY.method
- 20. slack-ruby-clientslack-ruby-client client = Slack::Web::Client.new( token: 'SLACK_BOT_TOKEN' ) client.chat_postMessage( channel: '#general', text: 'Hello World' ) https://api.slack.com/methods/chat.postMessage
- 21. Web API rate limitWeb API rate limit https://api.slack.com/methods/chat.update
- 22. Interactive messagesInteractive messages https://api.slack.com/interactive-messages
- 23. Message FormattingMessage Formatting https://api.slack.com/docs/messages/builder
- 24. Walkie BotWalkie Bot Prototyping Tool for Slack Bots https://github.com/FoundersAS/walkiebot
- 26. Slack RTMSlack RTM The Real Time Messaging API is a WebSocket-based API that allows you to receive from Slack in real time.events
- 28. client = Slack::RealTime::Client.new( token: 'SLACK_BOT_TOKEN' ) client.on :message do |data| client.message( channel: data.channel, text: "Hi <@#{data.user}>!" ) end client.start!
- 29. Ruby Websocket ClientsRuby Websocket Clients Faye::Websocket websocket-client-simple
- 30. Multiple connectionsMultiple connections Workspace 1 Workspace 2 Workspace N wss://slack-msgs.com/websocket/uid wss://slack-msgs.com/websocket/uid wss://slack-msgs.com/websocket/uid
- 32. slack-ruby-clientslack-ruby-client Slack::RealTime.configure do |config| config.concurrency = Slack::RealTime::Concurrency::Celluloid # config.concurrency = Slack::RealTime::Concurrency::Eventmachine end