Add play count to LastFm.Artist

lib/last_fm/api_impl.ex

@@ -51,6 +51,7 @@ defmodule LastFm.APIImpl do
     options = [
       method: "artist.getInfo",
       api_key: config.api_key,
+      user: config.user,
       mbid: artist_mbid,
       format: "json",
       limit: 50

lib/last_fm/artist.ex

@@ -1,11 +1,12 @@
 defmodule LastFm.Artist do
-  defstruct [:musicbrainz_id, :name, :bio, :image]
+  defstruct [:musicbrainz_id, :name, :bio, :image, :play_count]
 
   @type t :: %__MODULE__{
           musicbrainz_id: String.t(),
           name: String.t(),
           bio: String.t(),
-          image: String.t()
+          image: String.t(),
+          play_count: non_neg_integer()
         }
 
   def from_api_response(api_response) do
@@ -13,7 +14,8 @@ defmodule LastFm.Artist do
       musicbrainz_id: api_response["mbid"],
       name: api_response["name"],
       bio: api_response["bio"]["summary"],
-      image: get_image(api_response)
+      image: get_image(api_response),
+      play_count: get_play_count(api_response)
     }
   end
 
@@ -22,4 +24,12 @@ defmodule LastFm.Artist do
     |> Enum.find(%{"#text" => nil}, fn i -> i["size"] == "medium" end)
     |> Map.get("#text")
   end
+
+  defp get_play_count(api_response) do
+    if play_count = get_in(api_response, ["stats", "userplaycount"]) do
+      String.to_integer(play_count)
+    else
+      0
+    end
+  end
 end

test/last_fm/artist_test.exs

@@ -17,7 +17,8 @@ defmodule LastFm.ArtistTest do
                bio:
                  "Steven Wilson (born Steven John Wilson on November 3, 1967, in Hemel Hempstead, Hertfordshire, England) is an English musician, singer, songwriter and record producer, most closely associated with the progressive rock genre. Currently a solo artist, he became known as the founder, lead guitarist, lead vocalist and songwriter of the British rock band Porcupine Tree, as well as being a member of several other bands.\n\nWilson is self-taught as a producer, audio engineer, multi-instrumentalist and singer-songwriter. <a href=\"https://www.last.fm/music/Steven+Wilson\">Read more on Last.fm</a>",
                image:
-                 "https://lastfm.freetls.fastly.net/i/u/64s/2a96cbd8b46e442fc41c2b86b821562f.png"
+                 "https://lastfm.freetls.fastly.net/i/u/64s/2a96cbd8b46e442fc41c2b86b821562f.png",
+               play_count: 123
              } ==
                LastFm.Artist.from_api_response(api_response)
     end

test/support/fixtures/artist.getinfo.json

@@ -197,7 +197,8 @@
     },
     "stats": {
       "listeners": "293020",
-      "playcount": "20567544"
+      "playcount": "20567544",
+      "userplaycount": "123"
     },
     "streamable": "0",
     "tags": {