Crate koan_core 

Modules

artist_info

An artist’s biography and photograph.

audio

auth

Authentication primitives: Ed25519 JWT signing, Argon2id password hashing.

browse

The library browsers: the album, artist and track listings, narrowed by the browse filters and the name filter and put in the order chosen. Every front end offers the same filters and sorts, so the queries they make are built here, once.

config

db

format

graphql_client

GraphQL client for connecting to a koan serve instance.

helpers

Helpers shared by every front end: koan-tui, koan-server, koan-ffi and koan-cli.

index

invite

Invite links: an account’s server and username, and a token the app trades for an API key of its own.

lyrics

Lyrics for a track: the database cache, then LRCLIB, cached back to the database. Embedded tags and sidecar .lrc files are not read.

organize

player

playlists

Playlists beyond the database: keeping them in step with the server, and writing them out as files.

quiet

What koan may do that nobody asked it to.

remote

scrobbling

Forwarding plays to ListenBrainz and Last.fm.

shelves

The library’s shelves: favourites, recently played, what is downloaded and a search. Each is one narrowing, applied alike to the album, artist and track listings, so a shelf is not a list of its own but the library’s own listings with a filter on. A shelf page shows the first few of each (summary), and its “See all” opens the same listing with the same filter: the two read one query, so they cannot disagree about what is on the shelf or in what order.

signal

Saying that something changed, rather than being asked.

smart

Smart playlists: a playlist whose contents are a rule over the library rather than a list someone made.

upnp

Playing to UPnP AV MediaRenderers: network amplifiers and streamers that fetch a URL they are given and decode it themselves.