tvl-depot/users/tazjin/homepage/feed.nix
Vincent Ambo 8301825124 chore(web/atom-feed): Move feed generator out of //users/tazjin
I intend to use this for updates on TVL projects, which will end up on
the homepage, which is outside of //users.

Change-Id: I03542d1bcef3d9fc4599294655caab5ed22ba5d9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3728
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2021-10-16 08:47:16 +00:00

58 lines
1.5 KiB
Nix

# Creates the Atom feed for my homepage.
{ depot, lib, pkgs, entry, pageEntries, ... }:
with depot.nix.yants;
let
inherit (builtins) map readFile sort foldl';
inherit (lib) max singleton;
inherit (pkgs) writeText;
inherit (depot.web) atom-feed;
inherit (depot.users.tazjin) blog renderMarkdown;
postToEntry = defun [ blog.post atom-feed.entry ] (post: rec {
id = "https://tazj.in/blog/${post.key}";
title = post.title;
content = readFile (renderMarkdown post.content);
published = post.date;
updated = post.updated or post.date;
links = singleton {
rel = "alternate";
href = id;
};
});
pageEntryToEntry = defun [ entry atom-feed.entry ] (e: {
id = "tazjin:${e.class}:${toString e.date}";
updated = e.date;
published = e.date;
title = e.title;
summary = e.description;
links = singleton {
rel = "alternate";
href = e.url;
};
});
allEntries = (map postToEntry blog.posts) ++ (map pageEntryToEntry pageEntries);
mostRecentlyUpdated = foldl' max 0 (map (e: e.updated) allEntries);
feed = {
id = "https://tazj.in/";
title = "tazjin's interblag";
subtitle = "my posts, projects and other interesting things";
updated = mostRecentlyUpdated;
rights = "© 2020 tazjin";
authors = [ "tazjin" ];
links = singleton {
rel = "self";
href = "https://tazjin/feed.atom";
};
entries = sort (a: b: a.published > b.published) allEntries;
};
in writeText "feed.atom" (atom-feed.renderFeed feed)