Files
music_library/lib/music_library/records.ex
T
2025-09-01 16:20:41 +03:00

391 lines
11 KiB
Elixir

defmodule MusicLibrary.Records do
@moduledoc """
Provides function to work with records _irrespectively_ of their status as port of the collection or of the wishlist.
"""
import Ecto.Query, warn: false
alias MusicLibrary.Artists
alias MusicLibrary.Assets
alias MusicLibrary.Records.{ArtistRecord, Cover, Record, SearchParser}
alias MusicLibrary.{BackgroundRepo, Repo, Worker}
def essential_fields do
[
:id,
:type,
:format,
:title,
:artists,
:genres,
:musicbrainz_id,
:purchased_at,
:release_ids,
:included_release_group_ids,
:cover_hash,
:release_date,
:inserted_at,
:updated_at
]
end
def search_records(initial_search, query, opts) do
limit = Keyword.fetch!(opts, :limit)
offset = Keyword.fetch!(opts, :offset)
order = Keyword.fetch!(opts, :order)
search =
initial_search
|> build_search(query, order)
|> limit(^limit)
|> offset(^offset)
|> select(^essential_fields())
Repo.all(search)
end
def search_records_count(initial_search, query) do
search = build_search(initial_search, query)
Repo.aggregate(search, :count)
end
defmacro order_alphabetically do
quote do
fragment(
"unaccent(artists ->> '$[0].sort_name') COLLATE NOCASE ASC, unaccent(title) COLLATE NOCASE ASC"
)
end
end
defp build_search(initial_search, query, order \\ :alphabetical) do
{:ok, parsed_query} = SearchParser.parse(query)
search_with_order =
case order do
:alphabetical ->
initial_search
|> order_by(order_alphabetically())
:purchase ->
initial_search
|> order_by([r], [
{:desc, r.purchased_at},
order_alphabetically()
])
:insertion ->
initial_search
|> order_by([r], [
{:desc, r.inserted_at},
order_alphabetically()
])
end
Enum.reduce(parsed_query, search_with_order, fn
{:artist, artist}, search ->
search
|> where(fragment("records_search_index match 'artists : ?*'", identifier(^artist)))
|> or_where(
fragment("records_search_index match 'normalized_artists : ?*'", identifier(^artist))
)
{:album, album}, search ->
search
|> where(fragment("records_search_index match 'title : ?*'", identifier(^album)))
|> or_where(
fragment("records_search_index match 'normalized_title : ?*'", identifier(^album))
)
{:genre, genre}, search ->
search
|> where(fragment("records_search_index match 'genres : ?*'", identifier(^genre)))
{:mbid, mbid}, search ->
search
|> where(fragment("records_search_index = '?*'", identifier(^mbid)))
{:format, format}, search ->
search |> where([r], r.format == ^format)
{:type, type}, search ->
search |> where([r], r.type == ^type)
{:query, ""}, search ->
search
{:query, raw_query}, search ->
search
|> where(fragment("records_search_index = '?*'", identifier(^raw_query)))
end)
end
def get_record!(id), do: Repo.get!(Record, id)
def get_release_status(release_id, format) do
q =
from r in fragment("records, json_each(records.release_ids)"),
where: fragment("records.format = ?", ^format) and r.value == ^release_id,
select: %{
record_id: fragment("records.id"),
purchased_at: fragment("records.purchased_at")
}
case Repo.one(q) do
nil -> :new
%{record_id: record_id, purchased_at: nil} -> {:wishlisted, record_id}
%{record_id: record_id} -> {:collected, record_id}
end
end
def get_artist_records(musicbrainz_id) do
q =
from r in Record,
join: ar in ArtistRecord,
on: r.id == ar.record_id and ar.musicbrainz_id == ^musicbrainz_id,
select: ^essential_fields()
Repo.all(q)
end
def import_from_musicbrainz_release(musicbrainz_id, opts \\ []) do
case MusicBrainz.get_release(musicbrainz_id) do
{:ok, release} ->
release_group_id = release["release-group"]["id"]
import_from_musicbrainz_release_group(release_group_id, opts)
error ->
error
end
end
def import_from_musicbrainz_release_group(musicbrainz_id, opts \\ []) do
format = Keyword.get(opts, :format, "cd")
purchased_at = Keyword.get(opts, :purchased_at)
selected_release_id = Keyword.get(opts, :selected_release_id, nil)
with {:ok, release_group} <- MusicBrainz.get_release_group(musicbrainz_id),
{:ok, release_group_with_releases} <- merge_releases(musicbrainz_id, release_group),
{:ok, cover_data} <- get_cover_art_or_default(musicbrainz_id),
{:ok, asset} <- Assets.store_image(%{content: cover_data, format: "image/jpeg"}) do
release_group_with_releases
|> build_record_attrs(%{
"cover_hash" => asset.hash,
"format" => format,
"purchased_at" => purchased_at,
"selected_release_id" => selected_release_id
})
|> create_record()
end
end
def populate_genres(record) do
artists = Enum.map_join(record.artists, ",", fn a -> a.name end)
completion = %OpenAI.Completion{
content: """
Provide a list of music genres applicable to the album "#{record.title}" by #{artists}.
Limit the list to 5 genres, ordered by decreasing specificity, all lowercase.
Return a response in JSON format, without any code block or formatting around it.
"""
}
{:ok, response} = OpenAI.gpt(completion)
record
|> Record.add_genres(response["genres"])
|> Repo.update()
end
defp get_cover_art_or_default(musicbrainz_id) do
case MusicBrainz.get_cover_art({:musicbrainz_id, musicbrainz_id}) do
{:error, :cover_not_available} -> {:ok, Cover.fallback_data()}
{:ok, cover_data} -> Cover.resize(cover_data)
end
end
def get_last_listened_track(record) do
record_id = record.id
q =
from r in fragment("records, json_each(records.release_ids)"),
where: fragment("records.id = ?", ^record_id),
select: r.value
release_ids = Repo.all(q)
main_artist_name = Record.main_artist(record).name
record_title = record.title
q =
from t in LastFm.Track,
where: fragment("? ->> '$.musicbrainz_id'", t.album) in ^release_ids,
or_where:
fragment("? ->> '$.title'", t.album) == ^record_title and
fragment("? ->> '$.name'", t.artist) == ^main_artist_name,
order_by: [desc: t.scrobbled_at_uts],
limit: 1
Repo.one(q)
end
def refresh_cover(record) do
with {:ok, cover_data} <- MusicBrainz.get_cover_art({:url, record.cover_url}),
{:ok, thumb_data} <- Cover.resize(cover_data),
{:ok, asset} <- Assets.store_image(%{content: thumb_data, format: "image/jpeg"}) do
record
|> Record.set_cover_hash(asset.hash)
|> Repo.update()
end
end
def refresh_cover_async(record) do
meta = %{title: record.title, artists: Enum.map(record.artists, & &1.name)}
params = %{"id" => record.id}
params
|> Worker.RefreshCover.new(meta: meta)
|> BackgroundRepo.insert()
end
def extract_colors_async(record, method) do
meta = %{title: record.title, artists: Enum.map(record.artists, & &1.name)}
params = %{"id" => record.id, "method" => method}
params
|> Worker.ExtractColors.new(meta: meta)
|> BackgroundRepo.insert()
end
def resize_cover(record) do
with {:ok, thumb_data} <- Cover.resize(record.cover_data),
{:ok, asset} <- Assets.store_image(%{content: thumb_data, format: "image/jpeg"}) do
record
|> Record.set_cover_hash(asset.hash)
|> Repo.update()
end
end
def refresh_musicbrainz_data(record) do
with {:ok, data} <- MusicBrainz.get_release_group(record.musicbrainz_id),
{:ok, data_with_releases} <- merge_releases(record.musicbrainz_id, data) do
record
|> Record.add_musicbrainz_data(data_with_releases)
|> Repo.update()
end
end
def refresh_musicbrainz_data_async(record) do
meta = %{title: record.title, artists: Enum.map(record.artists, & &1.name)}
params = %{"id" => record.id}
params
|> Worker.RecordRefreshMusicBrainzData.new(meta: meta)
|> BackgroundRepo.insert()
end
defp merge_releases(musicbrainz_id, musicbrainz_data) do
with {:ok, releases} <- stream_releases(musicbrainz_id) do
{:ok, Map.put(musicbrainz_data, "releases", releases)}
end
end
defp stream_releases(musicbrainz_id) do
do_stream_releases(musicbrainz_id, [], 0)
end
defp do_stream_releases(musicbrainz_id, releases, offset) do
limit = 100
opts = [limit: limit, offset: offset]
with {:ok, data} <- MusicBrainz.get_releases(musicbrainz_id, opts) do
%{"releases" => new_releases} = data
if Enum.count(new_releases) < limit do
{:ok, releases ++ new_releases}
else
do_stream_releases(musicbrainz_id, releases ++ new_releases, offset + 100)
end
end
end
defp build_record_attrs(release_group, attrs) do
release_group
|> Record.attrs_from_release_group()
|> Map.merge(attrs)
end
def create_record(attrs \\ %{}) do
with {:ok, record} <- do_create_record(attrs) do
extract_colors_async(record, :fast)
record
|> Record.artist_ids()
|> Enum.each(fn artist_id ->
Artists.fetch_artist_info_async(artist_id)
end)
{:ok, record}
end
end
defp do_create_record(attrs) do
%Record{}
|> Record.changeset(attrs)
|> Repo.insert()
end
def update_record(%Record{} = record, attrs) do
record
|> Record.changeset(attrs)
|> Repo.update()
end
def delete_record(%Record{} = record) do
with {:ok, record} <- Repo.delete(record) do
record
|> Record.artist_ids()
|> Enum.each(fn artist_id ->
Artists.prune_artist_info_async(artist_id)
end)
{:ok, record}
end
end
def change_record(%Record{} = record, attrs \\ %{}) do
Record.changeset(record, attrs)
end
def subscribe(record_id) do
Phoenix.PubSub.subscribe(MusicLibrary.PubSub, "records:#{record_id}")
end
def notify_update(record) do
Phoenix.PubSub.broadcast(
MusicLibrary.PubSub,
"records:#{record.id}",
{:update, record}
)
end
def backfill_all_record_assets do
stream = Record |> Repo.stream()
Repo.transact(fn ->
count =
stream
|> Enum.map(fn record ->
Assets.store_image(%{
content: record.cover_data,
format: "image/jpeg"
})
end)
|> Enum.count(fn result -> match?({:ok, _asset}, result) end)
{:ok, count}
end)
end
end