impress/app/views/items/_item_link.html.haml
Emi Matchu 583f3c712f High-level caching for closet lists
Okay, so I still don't know why rendering is just so slow (though
migrating away from item translations did help!), but I can at least
cache entire closet lists as a basic measure.

That way, the first user to see the latest version of a closet list
will still need just as much time to load it… but *only* the ones that
have changed since last time (rather than always the full page), and
then subsequent users get to reuse it too!

Should help a lot for high-traffic lists, which incidentally are likely
to be the big ones belonging to highly active traders!

One big change we needed to make was to extract the `user-owns` and
`user-wants` classes (which we use for trade matches for *the user
viewing the list right now*) out of the cached HTML, and apply them
after with Javascript instead. I always dislike moving stuff to JS, but
the wins here seem. truly very very good, all things considered!
2024-02-20 18:43:39 -08:00

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-# NOTE: Changing this requires bumping the cache at `_closet_list.html.haml`!
= link_to item_path(item) do
= image_tag item.thumbnail_url, alt: "Thumbnail for #{item.name}",
title: item.description, loading: "lazy"
%span.name= item.name
= nc_icon_for(item)