add cache to endponits/publisher/build

[codeEmpress1]

Done

• Add cache to /endpoints/publisher/builds.py

How to QA

Testing

• This PR has tests
• No testing required (explain why):

Issue / Card

Fixes #

Screenshots

[webteam-app]

Demo

Jenkins

demos.haus

[Copilot]

Pull Request Overview

This PR adds Redis caching to the get_snap_repo endpoint to improve performance by caching snap information for 1 hour, reducing redundant API calls to the dashboard service.

Key changes:

• Implements a cache-aside pattern using redis_cache with a 1-hour TTL
• Follows the same caching approach as webapp/endpoints/publisher/listing.py
• Caches the result of dashboard.get_snap_info() to avoid repeated API calls

[Copilot]

The cache key construction is duplicated here and in webapp/endpoints/publisher/listing.py. Consider using the helper function get_snap_info_key() from listing.py to ensure consistency across the codebase. This could be extracted to a shared utility module or imported from listing.py.

[Copilot]

Missing cache invalidation strategy. When snap metadata is updated (e.g., via webapp/endpoints/publisher/settings.py or webapp/publisher/snaps/release_views.py calling snap_metadata()), this cached snap info won't be invalidated, leading to stale data.

The webapp/endpoints/publisher/listing.py file shows the pattern: after successful snap_metadata() or snap_screenshots() calls, it invalidates the cache using redis_cache.delete(snap_info_key) (lines 200 and 217). Similar invalidation should be added to other files that modify snap metadata, or this cache implementation should be revisited.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (b8b6b55) to head (debf35d).
⚠️ Report is 561 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #5466       +/-   ##
==========================================
- Coverage   66.80%       0   -66.81%     
==========================================
  Files         113       0      -113     
  Lines        3714       0     -3714     
  Branches      965       0      -965     
==========================================
- Hits         2481       0     -2481     
+ Misses       1098       0     -1098     
+ Partials      135       0      -135     

see 62 files with indirect coverage changes

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[steverydz]

LGTM 👍