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Fix Slack channel and user ID resolution for file uploads #140247

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@jsuar jsuar commented Mar 10, 2025

Proposed change

This PR fixes issues reported in #137555 and #137567 where file uploads to Slack no longer work when using channel IDs or user IDs as targets. When I implemented support for the new Slack API files_upload_v2 (in PR #135818), I inadvertently broke support for sending files to channel IDs and direct messages.
The changes improve target resolution to properly handle different types of Slack identifiers (channel names, channel IDs, and user IDs) and implement simple caching to reduce API calls. This allows users to continue using any supported target format when sending files via Slack.

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Hey there @tkdrob, @FletcherAU, mind taking a look at this pull request as it has been labeled with an integration (slack) you are listed as a code owner for? Thanks!

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jsuar added 2 commits March 9, 2025 21:38
- Added regex patterns to identify user IDs and channel IDs
- Implemented channel ID caching to reduce API calls
- Added direct messaging support via user IDs
- Created comprehensive target resolution system
- Updated tests to verify all target types and edge cases
- add back comments
@jsuar jsuar force-pushed the channel-id-fix-issue-137555 branch from 68c44a9 to 5e5e7b3 Compare March 10, 2025 01:40
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jsuar commented Mar 10, 2025

@tkdrob, @FletcherAU, I'm still preparing the PR and an accompanying documentation PR, but could one of you delete this home-assistant bot message? It's exposing a personal email address due to a config error on my side

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I can't help with that sorry, it'll need to be someone with actual permissions for the repo.

@MartinHjelmare MartinHjelmare changed the title Slack: Fix channel and user ID resolution for file uploads Fix Slack channel and user ID resolution for file uploads Mar 11, 2025
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It this ready for merge? Or what changes need to be made? :-)

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4 participants