Files
music_library/lib/last_fm/api_impl.ex
T
2024-11-10 13:07:45 +00:00

57 lines
1.2 KiB
Elixir

defmodule LastFm.APIImpl do
@behaviour LastFm.APIBehaviour
require Logger
alias LastFm.Track
@base_url "http://ws.audioscrobbler.com/2.0/"
@impl true
def get_recent_tracks(user, api_key) do
options = [
method: "user.getrecenttracks",
user: user,
api_key: api_key,
format: "json",
limit: 50
]
url = @base_url <> "?" <> URI.encode_query(options)
Logger.debug("Fetching data from #{sanitize_url(url, api_key)}")
case json_get(url) do
{:ok, response} ->
{:ok,
response
|> get_in(["recenttracks", "track"])
|> Track.from_api_response()}
other ->
msg = "Failed to fetch data from #{sanitize_url(url, api_key)}, reason: #{inspect(other)}"
Logger.error(msg)
{:error, msg}
end
end
defp json_get(url) do
req =
Finch.build(:get, url, [
{"User-Agent", "MusicLibrary/0.1.0 ( cloud8421@gmail.com )"}
])
case Finch.request(req, LastFm.Finch) do
{:ok, response} when response.status == 200 ->
Jason.decode(response.body)
other ->
other
end
end
defp sanitize_url(url, api_key) do
String.replace(url, api_key, "<redacted_api_key>")
end
end