ChatMessage: Support emoji.

lib/pleroma/web/activity_pub/builder.ex

@@ -5,6 +5,7 @@ defmodule Pleroma.Web.ActivityPub.Builder do
   This module encodes our addressing policies and general shape of our objects.
   """
 
+  alias Pleroma.Emoji
   alias Pleroma.Object
   alias Pleroma.User
   alias Pleroma.Web.ActivityPub.Utils
@@ -30,7 +31,8 @@ defmodule Pleroma.Web.ActivityPub.Builder do
        "type" => "ChatMessage",
        "to" => [recipient],
        "content" => content,
-       "published" => DateTime.utc_now() |> DateTime.to_iso8601()
+       "published" => DateTime.utc_now() |> DateTime.to_iso8601(),
+       "emoji" => Emoji.Formatter.get_emoji_map(content)
      }, []}
   end
 

lib/pleroma/web/activity_pub/object_validators/chat_message_validator.ex

@@ -20,6 +20,7 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator do
     field(:content, :string)
     field(:actor, Types.ObjectID)
     field(:published, Types.DateTime)
+    field(:emoji, :map, default: %{})
   end
 
   def cast_and_apply(data) do