Merge branch 'reactions' into 'develop'

Emoji Reactions

See merge request pleroma/pleroma!1662

lib/pleroma/web/pleroma_api/controllers/pleroma_api_controller.ex

@@ -7,10 +7,15 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
 
   import Pleroma.Web.ControllerHelper, only: [add_link_headers: 2]
 
+  alias Pleroma.Activity
   alias Pleroma.Conversation.Participation
   alias Pleroma.Notification
+  alias Pleroma.Object
   alias Pleroma.Plugs.OAuthScopesPlug
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.MastodonAPI.AccountView
   alias Pleroma.Web.MastodonAPI.ConversationView
   alias Pleroma.Web.MastodonAPI.NotificationView
   alias Pleroma.Web.MastodonAPI.StatusView
@@ -29,6 +34,47 @@ defmodule Pleroma.Web.PleromaAPI.PleromaAPIController do
 
   plug(Pleroma.Plugs.EnsurePublicOrAuthenticatedPlug)
 
+  def emoji_reactions_by(%{assigns: %{user: user}} = conn, %{"id" => activity_id}) do
+    with %Activity{} = activity <- Activity.get_by_id_with_object(activity_id),
+         %Object{data: %{"reactions" => emoji_reactions}} <- Object.normalize(activity) do
+      reactions =
+        emoji_reactions
+        |> Enum.map(fn {emoji, users} ->
+          users = Enum.map(users, &User.get_cached_by_ap_id/1)
+          {emoji, AccountView.render("index.json", %{users: users, for: user, as: :user})}
+        end)
+        |> Enum.into(%{})
+
+      conn
+      |> json(reactions)
+    else
+      _e ->
+        conn
+        |> json(%{})
+    end
+  end
+
+  def react_with_emoji(%{assigns: %{user: user}} = conn, %{"id" => activity_id, "emoji" => emoji}) do
+    with {:ok, _activity, _object} <- CommonAPI.react_with_emoji(activity_id, user, emoji),
+         activity <- Activity.get_by_id(activity_id) do
+      conn
+      |> put_view(StatusView)
+      |> render("show.json", %{activity: activity, for: user, as: :activity})
+    end
+  end
+
+  def unreact_with_emoji(%{assigns: %{user: user}} = conn, %{
+        "id" => activity_id,
+        "emoji" => emoji
+      }) do
+    with {:ok, _activity, _object} <- CommonAPI.unreact_with_emoji(activity_id, user, emoji),
+         activity <- Activity.get_by_id(activity_id) do
+      conn
+      |> put_view(StatusView)
+      |> render("show.json", %{activity: activity, for: user, as: :activity})
+    end
+  end
+
   def conversation(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
     with %Participation{} = participation <- Participation.get(participation_id),
          true <- user.id == participation.user_id do