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lita-slack

Gem Version Build Status

lita-slack is an adapter for Lita that allows you to use the robot with Slack. The current adapter is not compatible with pre-1.0.0 versions, as it now uses Slack's Real Time Messaging API.

Installation

Add lita-slack to your Lita instance's Gemfile:

gem "lita-slack"

Configuration

Required attributes

Optional attributes

  • link_names (Boolean) – Set to true to turn all Slack usernames in messages sent by Lita into links.
  • parse (String) – Specify the parsing mode. See https://api.slack.com/docs/formatting#parsing_modes.
  • proxy (String) – Specify a HTTP proxy URL. (e.g. "http://squid.example.com:3128")
  • unfurl_links (Boolean) – Set to true to automatically add previews for all links in messages sent by Lita.
  • unfurl_media (Boolean) – Set to false to prevent automatic previews for media files in messages sent by Lita.

Note: When using lita-slack, the adapter will overwrite the bot's name and mention name with the values set on the server, so config.robot.name and config.robot.mention_name will have no effect.

config.robot.admins

Each Slack user has a unique ID that never changes even if their real name or username changes. To populate the config.robot.admins attribute, you'll need to use these IDs for each user you want to mark as an administrator. If you're using Lita version 4.1 or greater, you can get a user's ID by sending Lita the command users find NICKNAME_OF_USER.

Example

Lita.configure do |config|
  config.robot.adapter = :slack
  config.robot.admins = ["U012A3BCD"]

  config.adapters.slack.token = "abcd-1234567890-hWYd21AmMH2UHAkx29vb5c1Y"

  config.adapters.slack.link_names = true
  config.adapters.slack.parse = "full"
  config.adapters.slack.unfurl_links = false
  config.adapters.slack.unfurl_media = false
end

Joining rooms

Lita will join your default channel after initial setup. To have it join additional channels or private groups, simply invite it to them via your Slack client as you would any normal user.

Events

  • :connected - When the robot has connected to Slack. No payload.
  • :disconnected - When the robot has disconnected from Slack. No payload.
  • :slack_channel_created - When the robot creates/updates a channel's or group's info, as directed by Slack. The payload has a single object, a Lita::Slack::Adapters::SlackChannel object, under the :slack_channel key.
  • :slack_reaction_added - When a reaction has been added to a previous message. The payload includes :user (a Lita::User for the sender of the message in question), :name (the string name of the reaction added), :item_user (a Lita::User for the user that created the original item that has been reacted to), :item (a hash of raw data from Slack about the message), and :event_ts (a string timestamp used to identify the message).
  • :slack_reaction_removed - When a reaction has been removed from a previous message. The payload is the same as the :slack_reaction_added message.
  • :slack_user_created - When the robot creates/updates a user's info - name, mention name, etc., as directed by Slack. The payload has a single object, a Lita::Slack::Adapters::SlackUser object, under the :slack_user key.
  • :message_deleted - When a message is deleted. Generates a payload that contains the deleted message's channel (under "channel") and timestamp ("deleted_ts")
  • :message_changed - When a message is edited. Generates a payload that contains a message hash for the edited message under the "message" key.

Chat service API

lita-slack supports Lita 4.6's chat service API for Slack-specific functionality. You can access this API object by calling the Lita::Robot#chat_service. See the API docs for Lita::Adapters::Slack::ChatService for details about the provided methods.

Threading

lita-slack supports Slack threading by default, it will reply to messages in the same context as they were created by default. This means it will reply in channel if a message was sent from the channel, or in thread if a message was sent from a thread.

You can prepend the first line of your message with the ellipsis character … to start a new thread.

API documentation

The API documentation, useful for plugin authors, can be found for the latest gem release on RubyDoc.info

License

MIT