slack - direct messaging

[Balu-Varanasi]

Goal

This pull request introduces the ability to support direct messaging to custom Slack applications. The update focuses on enhancing user interaction with the Slack app by enabling direct messages, ensuring more personalized and direct communication channels are available.

Changes

Request Validations for Direct Messaging

• Implemented additional request validation logic to handle direct messaging scenarios securely. This ensures that our Slack app can differentiate and correctly process incoming direct messages from users.

Callback Handler Modifications

• Modified the callback handler to specifically allow direct messages from users while effectively ignoring any messages originating from bots. This distinction is crucial for maintaining the intended user-to-application interaction without interference from automated bot responses.

Testing

Configured Slack app scopes and events

Bot Token Scopes: app_mentions:read, channels:history, channels:read, chat:write, chat:write.customize, chat:write.public, commands, groups:history, im:history, im:read, im:write, incoming-webhook, mpim:history, mpim:read, mpim:write, users:read, users:read.email

User Token Scopes: channels.read, chat.write, users.profile:read, users:read

Bot Events: app_mention, message.channels, message.groups, message.im, message.mpim

Enable messages tab in App

Features > App Home > Show Tab > Messages > ✅

App Mentions in Channels

• Conducted thorough testing of app mentions across various channels to ensure the Slack app responds as expected. During testing, it was noted that the bot user must be invited to that channel beforehand for the Slack app to capture app mentions in any given channel. This prerequisite was consistently met across all test scenarios to validate functionality accurately.

Direct Messaging to the App

• Performed extensive testing of the direct messaging feature to evaluate the Slack app's ability to receive and process direct messages from users. The tests were designed to simulate real-user interactions, ensuring the Slack app can handle direct messages as intended.

Reviewers

@ajhai and @vegito22

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Name	Status	Preview	Comments	Updated (UTC)
llmstack	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Mar 2, 2024 4:29am