Merge branch 'activitypub-likes' into 'develop'

Activitypub c2s likes

See merge request pleroma/pleroma!658

test/support/factory.ex

@@ -57,6 +57,11 @@ defmodule Pleroma.Factory do
     %Pleroma.Object{data: Map.merge(data, %{"to" => [user2.ap_id]})}
   end
 
+  def article_factory do
+    note_factory()
+    |> Map.put("type", "Article")
+  end
+
   def tombstone_factory do
     data = %{
       "type" => "Tombstone",
@@ -110,6 +115,26 @@ defmodule Pleroma.Factory do
     }
   end
 
+  def article_activity_factory do
+    article = insert(:article)
+
+    data = %{
+      "id" => Pleroma.Web.ActivityPub.Utils.generate_activity_id(),
+      "type" => "Create",
+      "actor" => article.data["actor"],
+      "to" => article.data["to"],
+      "object" => article.data,
+      "published" => DateTime.utc_now() |> DateTime.to_iso8601(),
+      "context" => article.data["context"]
+    }
+
+    %Pleroma.Activity{
+      data: data,
+      actor: data["actor"],
+      recipients: data["to"]
+    }
+  end
+
   def announce_activity_factory do
     note_activity = insert(:note_activity)
     user = insert(:user)

test/web/activity_pub/activity_pub_controller_test.exs

@@ -89,6 +89,21 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
     end
   end
 
+  describe "/object/:uuid/likes" do
+    test "it returns the like activities in a collection", %{conn: conn} do
+      like = insert(:like_activity)
+      uuid = String.split(like.data["object"], "/") |> List.last()
+
+      result =
+        conn
+        |> put_req_header("accept", "application/activity+json")
+        |> get("/objects/#{uuid}/likes")
+        |> json_response(200)
+
+      assert List.first(result["first"]["orderedItems"])["id"] == like.data["id"]
+    end
+  end
+
   describe "/activities/:uuid" do
     test "it returns a json representation of the activity", %{conn: conn} do
       activity = insert(:note_activity)
@@ -292,6 +307,31 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubControllerTest do
 
       assert json_response(conn, 400)
     end
+
+    test "it increases like count when receiving a like action", %{conn: conn} do
+      note_activity = insert(:note_activity)
+      user = User.get_cached_by_ap_id(note_activity.data["actor"])
+
+      data = %{
+        type: "Like",
+        object: %{
+          id: note_activity.data["object"]["id"]
+        }
+      }
+
+      conn =
+        conn
+        |> assign(:user, user)
+        |> put_req_header("content-type", "application/activity+json")
+        |> post("/users/#{user.nickname}/outbox", data)
+
+      result = json_response(conn, 201)
+      assert Activity.get_by_ap_id(result["id"])
+
+      object = Object.get_by_ap_id(note_activity.data["object"]["id"])
+      assert object
+      assert object.data["like_count"] == 1
+    end
   end
 
   describe "/users/:nickname/followers" do

test/web/activity_pub/transmogrifier_test.exs

@@ -829,12 +829,33 @@ defmodule Pleroma.Web.ActivityPub.TransmogrifierTest do
       assert length(modified["object"]["tag"]) == 2
 
       assert is_nil(modified["object"]["emoji"])
-      assert is_nil(modified["object"]["likes"])
       assert is_nil(modified["object"]["like_count"])
       assert is_nil(modified["object"]["announcements"])
       assert is_nil(modified["object"]["announcement_count"])
       assert is_nil(modified["object"]["context_id"])
     end
+
+    test "it strips internal fields of article" do
+      activity = insert(:article_activity)
+
+      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
+
+      assert length(modified["object"]["tag"]) == 2
+
+      assert is_nil(modified["object"]["emoji"])
+      assert is_nil(modified["object"]["like_count"])
+      assert is_nil(modified["object"]["announcements"])
+      assert is_nil(modified["object"]["announcement_count"])
+      assert is_nil(modified["object"]["context_id"])
+    end
+
+    test "it adds like collection to object" do
+      activity = insert(:note_activity)
+      {:ok, modified} = Transmogrifier.prepare_outgoing(activity.data)
+
+      assert modified["object"]["likes"]["type"] == "OrderedCollection"
+      assert modified["object"]["likes"]["totalItems"] == 0
+    end
   end
 
   describe "user upgrade" do