activitypub: transmogrifier: implement support for Listen activities

test/web/activity_pub/transmogrifier_test.exs

@@ -177,6 +177,35 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
              end)
     end
 
+    test "it works for incoming listens" do
+      data = %{
+        "@context" => "https://www.w3.org/ns/activitystreams",
+        "to" => ["https://www.w3.org/ns/activitystreams#Public"],
+        "cc" => [],
+        "type" => "Listen",
+        "id" => "http://mastodon.example.org/users/admin/listens/1234/activity",
+        "actor" => "http://mastodon.example.org/users/admin",
+        "object" => %{
+          "type" => "Audio",
+          "id" => "http://mastodon.example.org/users/admin/listens/1234",
+          "attributedTo" => "http://mastodon.example.org/users/admin",
+          "title" => "lain radio episode 1",
+          "artist" => "lain",
+          "album" => "lain radio",
+          "length" => 180_000
+        }
+      }
+
+      {:ok, %Activity{local: false} = activity} = Transmogrifier.handle_incoming(data)
+
+      object = Object.normalize(activity)
+
+      assert object.data["title"] == "lain radio episode 1"
+      assert object.data["artist"] == "lain"
+      assert object.data["album"] == "lain radio"
+      assert object.data["length"] == 180_000
+    end
+
     test "it rewrites Note votes to Answers and increments vote counters on question activities" do
       user = insert(:user)