Claudio Ortolina
7cf9b4e7f8
- spec public functions (skipping controllers, views, live views and components) - use types instead of explanations in docs - remove redundant docs - fix typos
88 lines
2.1 KiB
Elixir
88 lines
2.1 KiB
Elixir
defmodule LastFm.Artist do
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use Ecto.Schema
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import Ecto.Changeset
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@type t :: %__MODULE__{
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musicbrainz_id: String.t(),
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name: String.t(),
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summary: String.t(),
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bio: String.t(),
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image: String.t(),
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play_count: non_neg_integer(),
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on_tour: boolean(),
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base_url: String.t(),
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image_data_hash: String.t() | nil
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}
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@primary_key false
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embedded_schema do
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field :musicbrainz_id, :string
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field :name, :string
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field :summary, :string
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field :bio, :string
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field :image, :string
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field :play_count, :integer, default: 0
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field :on_tour, :boolean, default: false
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field :base_url, :string
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field :image_data_hash, :string
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end
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@spec from_api_response(map()) :: t()
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def from_api_response(api_response) do
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%__MODULE__{
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musicbrainz_id: api_response["mbid"],
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name: api_response["name"],
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summary: api_response["bio"]["summary"] || "",
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bio: api_response["bio"]["content"] || "",
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image: get_image(api_response),
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play_count: get_play_count(api_response),
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on_tour: api_response["ontour"] == "1",
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base_url: api_response["url"]
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}
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end
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@spec changeset(t(), map()) :: Ecto.Changeset.t()
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def changeset(artist, attrs) do
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artist
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|> cast(attrs, [
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:musicbrainz_id,
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:name,
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:summary,
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:bio,
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:image,
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:play_count,
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:on_tour,
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:base_url
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])
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|> validate_required([:name])
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end
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@spec events_url(t()) :: String.t()
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def events_url(artist) do
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artist.base_url <> "/+events"
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end
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defp get_image(api_response) do
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api_response["image"]
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|> Enum.find(%{"#text" => nil}, fn i -> i["size"] == "medium" end)
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|> Map.get("#text")
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end
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defp get_play_count(api_response) do
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case get_in(api_response, ["stats", "userplaycount"]) do
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nil -> 0
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value -> parse_play_count(value)
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end
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end
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defp parse_play_count(value) when is_binary(value) do
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case Integer.parse(value) do
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{int, ""} -> int
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_ -> 0
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end
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end
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defp parse_play_count(_), do: 0
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end
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