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Tags: tag-filtered feed (GET /api/messages?tag=) #29
Description
Part of #27 — Tags: tagging posts, autocomplete, trending and tag-filtered feeds
- Tapping a tag on a message card opens a feed filtered to that tag via the
tagquery
parameter. - The tag feed is a normal paged feed — it should share the feed implementation (including the
cursor-pagination work) rather than forking it. - Deep-link support so a tag URL from elsewhere opens the right screen.
Tests: tap → filtered query; paging works on the filtered feed.
Filed from the parity review of feature/parity-wip @ 14d7795 against interlinedlist.com (OpenAPI /api/openapi.json, 233 paths) and the public help centre.
Activity
Adron commentedon Sep 16, 2026
Implemented in #122 (branch
issue/29-tag-feed). Closing here — review and any follow-up happens on the PR.The "share the feed implementation rather than forking it" requirement drove the interesting part. Sharing the ViewModel and repository was easy; the Room cache was not. The main feed and a tag feed routinely contain the same message, and a message row cannot hold two positions — so with
feedOrderon the message, the second feed to load would have silently stolen rows from the first. Feed membership now lives in afeed_entry(feedKey, messageId, position)join table over shared message rows.The deep-link URL was established, not guessed.
/tag/lists,/tags/lists,/tags,/exploreand/trendingall 404, and/messagesis Direct Messages rather than the feed. The web's own tag chip (found in its JS chunk) links to"/?tag=".concat(encodeURIComponent(e)), andhttps://interlinedlist.com/?tag=listsdoes serve a filtered feed. So the canonical form ishttps://interlinedlist.com/?tag=<encoded>.One product decision for you: an Android intent filter cannot match on a query string, so catching
/?tag=…means registeringhttps://interlinedlist.com/— which also claims plain homepage links. They land on the app's normal start destination showing the same feed, so nothing breaks, but it is a wider claim than the feature strictly needs. Say if you would rather not claim it.merge: #29 tag-filtered feed (PR #122)
merge: #89 blog email subscription (PR #127)