Save remote users with fqn as nickname.

lib/pleroma/web/ostatus/ostatus.ex

@@ -96,10 +96,12 @@ defmodule Pleroma.Web.OStatus do
       data = %{
         local: false,
         name: info.name,
-        nickname: info.nickname,
+        nickname: info.nickname <> "@" <> info.host,
         ap_id: info.uri,
         info: info
       }
+      # TODO: Make remote user changeset
+      # SHould enforce fqn nickname
       Repo.insert(Ecto.Changeset.change(%User{}, data))
     end
   end

lib/pleroma/web/websub/websub.ex

@@ -139,7 +139,8 @@ defmodule Pleroma.Web.Websub do
         uri: uri,
         hub: hub,
         nickname: preferredUsername || name,
-        name: displayName || name
+        name: displayName || name,
+        host: URI.parse(uri).host
       }}
     else e ->
       {:error, e}