navidrome/core/agents
Deluan Quintão fda35dd8ce
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feat(plugins): add similar songs retrieval functions and improve duration consistency (#4933)
* feat: add duration filtering for similar songs matching

Signed-off-by: Deluan <deluan@navidrome.org>

* test: refactor expectations for similar songs in provider matching tests

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(plugins): add functions to retrieve similar songs by track, album, and artist

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(plugins): support uint32 in ndpgen

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(plugins): update duration field to use seconds as float instead of milliseconds as uint32

Signed-off-by: Deluan <deluan@navidrome.org>

* fix: add helper functions for Rust's skip_serializing_if with numeric types

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(provider): enhance track matching logic to fallback to title match when duration-filtered tracks fail

---------

Signed-off-by: Deluan <deluan@navidrome.org>
2026-01-26 18:28:41 -05:00
..
agents.go feat: add similar songs functionality in agents, and Instant Mix (song-based) to UI (#4919) 2026-01-25 16:16:43 -05:00
agents_plugin_test.go refactor: streamline agents logic and remove unnecessary caching (#4298) 2025-07-05 10:11:35 -03:00
agents_suite_test.go Rename log.LevelCritical to log.LevelFatal 2022-12-21 14:53:36 -05:00
agents_test.go feat: add similar songs functionality in agents, and Instant Mix (song-based) to UI (#4919) 2026-01-25 16:16:43 -05:00
interfaces.go feat(plugins): add similar songs retrieval functions and improve duration consistency (#4933) 2026-01-26 18:28:41 -05:00
local_agent.go Get album info (when available) from Last.fm, add getAlbumInfo endpoint (#2061) 2023-01-17 20:22:54 -05:00
README.md Add local agent, only for images 2023-01-13 22:18:34 -05:00
session_keys.go Listenbrainz scrobbling (#1424) 2021-10-30 12:17:42 -04:00
session_keys_test.go Upgrade Ginkgo to V2 2022-07-26 16:53:17 -04:00

This folder abstracts metadata lookup into "agents". Each agent can be implemented to get as much info as the external source provides, by using a granular set of interfaces (see interfaces).

A new agent must comply with these simple implementation rules:

  1. Implement the AgentName() method. It just returns the name of the agent for logging purposes.
  2. Implement one or more of the *Retriever() interfaces. That's where the agent's logic resides.
  3. Register itself (in its init() function).

For an agent to be used it needs to be listed in the Agents config option (default is "lastfm,spotify"). The order dictates the priority of the agents

For a simple Agent example, look at the local_agent agent source code.