@hdv↩️ With GROQ you basically select data, filter it and then project what you want the JSON object for each item to look like.
(In the linked example it's Nobel Prize winners, in my case it was webmentions… it works on any valid JSON) (twitter.com/_/status/1519659685317595140)
LoqiA feed reader (AKA RSS reader) is an application (local or on the web) that subscribes to feeds (often limited to legacy Atom & RSS) and presents them in an interface for reading, typically without any way to respond, in contrast to a social reader https://indieweb.org/feed_reader
[snarfed]and oddly Mastodon continued to require Atom, eg for discovery and following, long past the point when it switched to ActivityPub. afaik it still requires it
Loqi[fenwick67] It sounds like "what is the bare minimum to let people follow me on Mastodon?" is still unanswered. I'd like to know for myself as well. Based on comments above it sounds like...
* an Atom feed with [activitystream](http://activitystrea.ms/specs...
[fluffy]Ooh I wish I’d seen mastodon issue 1441 before setting up Bridgy Fed on my site. I’d much rather have set up my own webfinger provider that just links to individual category Atom feeds. I suspect that now my domain is permanently tainted with bridgy fed’s GPG key and I really don’t want to deal with signing posts.
[fluffy]There have been many situations on Mastodon where an instance goes down because they lose their GPG key and the domain is permanently inaccessible to the rest of the Fediverse as a result.
[fluffy]Maybe it isn’t an issue then. The only user that would be ‘lost’ if I took over my own webfinger is `@beesbuzz.biz@beesbuzz.biz` and I don’t actually care about that.
[snarfed]Bridgy Fed definitely mints those for its users, and uses them. I don't know how if or for how long they're cached, but I've exported one for at least one user before who wanted to take over their AP account. I don't remember hearing back how it went, but I didn't hear problems
[snarfed]understood! federating with AP always seems so fragile and opaque if you're not using one of the standard, heavyweight services like Mastodon etc
[snarfed]I've done a number of deep dives on it over the years for Bridgy Fed, mostly for Mastodon interop, which has its own confusing extra req'ts, and those change over time
[fluffy]On a related note, I’ve run into issues with bridgy fed where if I have Pushl do an archive crawl it’ll spam the timeline with old posts as if they were new, even though the GUIDs haven’t changed. How long does bridgy fed hold onto old posts?
[snarfed]I checked the logs just now and confirmed. It does send an AP `Create` request for every webmention from a (usable) post on your site, but as long as your post's `uid` hasn't changed, or the URL if you don't have `uid`, the AP id should be the same, so ideally there shouldn't be dupes
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