Claudio Ortolina
73 lines
1.8 KiB
Elixir
73 lines
1.8 KiB
Elixir
defmodule MusicLibrary.Wishlist do
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import Ecto.Query, warn: false
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alias MusicLibrary.Repo
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alias MusicLibrary.Records.{Record, SearchParser}
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@fields [:id, :type, :artists, :format, :title, :release, :genres, :musicbrainz_id, :cover_hash]
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def search_records(query, opts \\ []) do
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limit = Keyword.get(opts, :limit, 20)
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offset = Keyword.get(opts, :offset, 0)
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search =
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query
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|> build_search()
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|> limit(^limit)
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|> offset(^offset)
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|> select(^@fields)
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Repo.all(search)
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end
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def search_records_count(query) do
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search = build_search(query)
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Repo.aggregate(search, :count)
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end
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def count do
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q =
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from r in Record,
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where: is_nil(r.purchased_at)
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Repo.aggregate(q, :count)
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end
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defp build_search(query) do
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{:ok, parsed_query} = SearchParser.parse(query)
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base_search =
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from r in Record,
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where: is_nil(r.purchased_at),
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order_by:
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fragment(
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"json_extract(artists, '$[0].sort_name') COLLATE NOCASE ASC, title COLLATE NOCASE ASC"
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)
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Enum.reduce(parsed_query, base_search, fn
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{:artist, artist}, search ->
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search |> where([r], like(r.artists, ^"%#{artist}%"))
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{:album, album}, search ->
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search |> where([r], like(r.title, ^"%#{album}%"))
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{:mbid, mbid}, search ->
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search |> where([r], r.musicbrainz_id == ^mbid or like(r.artists, ^"%#{mbid}%"))
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{:format, format}, search ->
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search |> where([r], r.format == ^format)
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{:type, type}, search ->
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search |> where([r], r.type == ^type)
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{:query, raw_query}, search ->
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search
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|> where(
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[r],
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like(r.title, ^"%#{raw_query}%") or like(r.artists, ^"%#{raw_query}%")
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)
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end)
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end
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end
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