Recommendation api should not show page collections with no articles
Closed, ResolvedPublic2 Estimated Story PointsBUG REPORT
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Assigned To

Authored By

	SBisson
	Oct 21 2025, 7:08 PM

Description

Steps to replicate the issue (include links if applicable):

Create a page collection with no valid interwiki links

What happens?:

It is displayed on the CX dashboard but gives no recommendations when selected

What should have happened instead?:

It should not be displayed on the CX dashboard

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):

Derived Requirement
Ensure that the Recommendation API excludes page collections containing no valid articles or interwiki links from being displayed on the Content Translation (CX) unified dashboard.

Test Case 1: Verify page collections with no valid articles are not displayed

On the test wiki, create a new page collection (e.g., “User:Test/EmptyCollection”).
Ensure the collection contains no valid interwiki links or articles.
Allow or trigger the next Recommendation API update cycle.
Open the CX unified dashboard.
✅❌❓⬜ AC1: Confirm that the empty page collection does not appear in the list of available collections.

QA Results - TestWiki

AC	Status	Details
1	✅	T407895#11368326

Details

Related Changes in Gerrit:

	Subject	Repo	Branch	Lines +/-
	Update Recommendation API to 2025-10-22-134201-production	operations/deployment-charts	master	+2 -2
	Exclude collections with no articles from cache	research/recommendation-api	master	+4 -3

Customize query in gerrit

Related Objects

Mentioned In: T407894: Recommendation api should remove untagged page collections
Mentioned Here: T406854: Collection data unavailable in several rec-api hosts
T407894: Recommendation api should remove untagged page collections

Event Timeline

SBisson created this task.Oct 21 2025, 7:08 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptOct 21 2025, 7:08 PM

SBisson changed the task status from Open to In Progress.Oct 21 2025, 8:31 PM

SBisson claimed this task.

SBisson triaged this task as High priority.

SBisson moved this task from Backlog to In-progress on the LPL Hypothesis board.

Change #1197712 had a related patch set uploaded (by Sbisson; author: Sbisson):

[research/recommendation-api@master] Exclude collections with no articles from cache

https://gerrit.wikimedia.org/r/1197712

gerritbot added a project: Patch-For-Review.Oct 21 2025, 8:39 PM

SBisson moved this task from In-progress to Needs Code Review on the LPL Hypothesis board.Oct 21 2025, 8:40 PM

Change #1197712 merged by jenkins-bot:

[research/recommendation-api@master] Exclude collections with no articles from cache

https://gerrit.wikimedia.org/r/1197712

Maintenance_bot removed a project: Patch-For-Review.Oct 22 2025, 2:32 PM

SBisson moved this task from Needs Code Review to Pending deployment on the LPL Hypothesis board.Oct 22 2025, 6:02 PM

ngkountas set the point value for this task to 2.Oct 23 2025, 8:28 AM

Change #1198319 had a related patch set uploaded (by KartikMistry; author: KartikMistry):

[operations/deployment-charts@master] Update Recommendation API to 2025-10-22-134201-production

https://gerrit.wikimedia.org/r/1198319

gerritbot added a project: Patch-For-Review.Oct 23 2025, 12:41 PM

Change #1198319 merged by jenkins-bot:

[operations/deployment-charts@master] Update Recommendation API to 2025-10-22-134201-production

https://gerrit.wikimedia.org/r/1198319

Mentioned in SAL (#wikimedia-operations) [2025-10-23T13:00:11Z] <kart_> Update Recommendation API to 2025-10-22-134201-production (T407895, T407894)

Stashbot mentioned this in T407894: Recommendation api should remove untagged page collections.Oct 23 2025, 1:00 PM

Maintenance_bot removed a project: Patch-For-Review.Oct 23 2025, 1:32 PM

SBisson moved this task from Pending deployment to Needs QA on the LPL Hypothesis board.Oct 23 2025, 1:44 PM

Nikerabbit added projects: Unplanned-Sprint-Work, LPL Projects (Improve Discovery of Vital Content - FY26 WE 2.1.6).Oct 27 2025, 6:34 AM

Testing currently blocked on T406854: Collection data unavailable in several rec-api hosts

@SBisson Write for African Women in Tanzania 2025 has been updated with interwikilinks, not external links. There are no collections with invalid links to test. Moving to Sign-off. Thanks for all your work

Test Result - Test Wiki

Status: ✅ PASS
Environment: Test Wiki
OS: macOS Tahoe 26.1
Browser: Chrome 142
Device: MBA
Emulated Device: N/A

Test Artifact(s):

Screenshot of CX unified dashboard before and after validation of page collection.
API response confirming absence of empty collection data.

Test Case 1: Verify page collections with no valid articles are not displayed

On the test wiki, create a new page collection (e.g., “User:Test/EmptyCollection”).
Ensure the collection contains no valid interwiki links or articles.
Allow or trigger the next Recommendation API update cycle.
Open the CX unified dashboard.
⬜ AC1: Confirm that the empty page collection does not appear in the list of available collections.

GMikesell-WMF updated the task description. (Show Details)Nov 12 2025, 7:56 PM

GMikesell-WMF updated Other Assignee, removed: GMikesell-WMF.

GMikesell-WMF moved this task from Needs QA to Design Signoff on the LPL Hypothesis board.

Nikerabbit closed this task as Resolved.Nov 17 2025, 2:16 PM

Nikerabbit moved this task from Design Signoff to Product Signoff on the LPL Hypothesis board.

Recommendation api should not show page collections with no articlesClosed, ResolvedPublic2 Estimated Story PointsBUG REPORTActions