Claudio Ortolina
65 lines
1.7 KiB
Elixir
65 lines
1.7 KiB
Elixir
defmodule MusicLibrary.Artists do
|
|
import Ecto.Query, warn: false
|
|
alias MusicLibrary.Repo
|
|
|
|
alias MusicLibrary.Records.ArtistRecord
|
|
|
|
def get_artist!(musicbrainz_id) do
|
|
q =
|
|
from ar in ArtistRecord,
|
|
where: ar.musicbrainz_id == ^musicbrainz_id,
|
|
limit: 1,
|
|
select: ar.artist
|
|
|
|
Repo.one!(q)
|
|
end
|
|
|
|
def get_all_artist_ids do
|
|
q = from ar in ArtistRecord, distinct: true, select: ar.musicbrainz_id
|
|
|
|
q |> Repo.all() |> MapSet.new()
|
|
end
|
|
|
|
def get_artist_info(artist) do
|
|
last_fm_config = last_fm_config()
|
|
|
|
case last_fm_config.api.get_artist_info(
|
|
{:musicbrainz_id, artist.musicbrainz_id},
|
|
last_fm_config
|
|
) do
|
|
{:ok, info} ->
|
|
{:ok, info}
|
|
|
|
{:error, :invalid_parameters} ->
|
|
# Sometimes the artist info cannot be identified with the MusicBrainz ID,
|
|
# because Last.fm doesn't have that information. In that case, we try again with the artist name.
|
|
last_fm_config.api.get_artist_info({:name, artist.name}, last_fm_config)
|
|
|
|
error ->
|
|
error
|
|
end
|
|
end
|
|
|
|
def get_similar_artists(artist) do
|
|
last_fm_config = last_fm_config()
|
|
|
|
case last_fm_config.api.get_similar_artists(
|
|
{:musicbrainz_id, artist.musicbrainz_id},
|
|
last_fm_config
|
|
) do
|
|
{:ok, info} ->
|
|
{:ok, info}
|
|
|
|
{:error, :invalid_parameters} ->
|
|
# Sometimes the artist info cannot be identified with the MusicBrainz ID,
|
|
# because Last.fm doesn't have that information. In that case, we try again with the artist name.
|
|
last_fm_config.api.get_similar_artists({:name, artist.name}, last_fm_config)
|
|
|
|
error ->
|
|
error
|
|
end
|
|
end
|
|
|
|
defp last_fm_config, do: LastFm.Config.resolve(:music_library)
|
|
end
|