Claudio Ortolina
38 lines
840 B
Elixir
38 lines
840 B
Elixir
defmodule MusicLibrary.Artists do
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import Ecto.Query, warn: false
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alias MusicLibrary.Repo
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alias MusicLibrary.Records.ArtistRecord
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def get_artist!(musicbrainz_id) do
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q =
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from ar in ArtistRecord,
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where: ar.musicbrainz_id == ^musicbrainz_id,
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limit: 1,
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select: ar.artist
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Repo.one!(q)
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end
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def get_similar_artists(artist) do
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case LastFm.get_similar_artists(artist.musicbrainz_id, artist.name) do
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{:ok, artists} ->
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all_artist_ids = get_all_artist_ids()
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{:ok,
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Enum.filter(artists, fn a ->
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MapSet.member?(all_artist_ids, a.musicbrainz_id)
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end)}
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error ->
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error
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end
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end
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def get_all_artist_ids do
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q = from ar in ArtistRecord, distinct: true, select: ar.musicbrainz_id
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q |> Repo.all() |> MapSet.new()
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end
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end
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