StatusView: show quoted posts through the API, probably

lib/pleroma/web/mastodon_api/views/status_view.ex

@@ -57,6 +57,27 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end)
   end
 
+  defp get_quoted_activities([]), do: %{}
+
+  defp get_quoted_activities(activities) do
+    activities
+    |> Enum.map(fn
+      %{data: %{"type" => "Create"}} = activity ->
+        object = Object.normalize(activity, fetch: false)
+        object && object.data["quoteUrl"] != "" && object.data["quoteUrl"]
+
+      _ ->
+        nil
+    end)
+    |> Enum.filter(& &1)
+    |> Activity.create_by_object_ap_id_with_object()
+    |> Repo.all()
+    |> Enum.reduce(%{}, fn activity, acc ->
+      object = Object.normalize(activity, fetch: false)
+      if object, do: Map.put(acc, object.data["id"], activity), else: acc
+    end)
+  end
+
   defp get_context_id(%{data: %{"context_id" => context_id}}) when not is_nil(context_id),
     do: context_id
 
@@ -89,6 +110,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     # length(activities_with_links) * timeout
     fetch_rich_media_for_activities(activities)
     replied_to_activities = get_replied_to_activities(activities)
+    quoted_activities = get_quoted_activities(activities)
 
     parent_activities =
       activities
@@ -121,6 +143,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     opts =
       opts
       |> Map.put(:replied_to_activities, replied_to_activities)
+      |> Map.put(:quoted_activities, quoted_activities)
       |> Map.put(:parent_activities, parent_activities)
       |> Map.put(:relationships, relationships_opt)
 
@@ -259,9 +282,10 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     created_at = Utils.to_masto_date(object.data["published"])
 
     reply_to = get_reply_to(activity, opts)
-
     reply_to_user = reply_to && CommonAPI.get_user(reply_to.data["actor"])
 
+    quote_activity = get_quote(activity, opts)
+
     content =
       object
       |> render_content()
@@ -368,6 +392,7 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
         local: activity.local,
         conversation_id: get_context_id(activity),
         in_reply_to_account_acct: reply_to_user && reply_to_user.nickname,
+        quote_id: quote_activity && to_string(quote_activity.id),
         content: %{"text/plain" => content_plaintext},
         spoiler_text: %{"text/plain" => summary},
         expires_at: expires_at,
@@ -500,6 +525,21 @@ defmodule Pleroma.Web.MastodonAPI.StatusView do
     end
   end
 
+  def get_quote(activity, %{quoted_activities: quoted_activities}) do
+    object = Object.normalize(activity, fetch: false)
+    quoted_activities[object.data["quoteUrl"]]
+  end
+
+  def get_quote(%{data: %{"object" => _object}} = activity, _) do
+    object = Object.normalize(activity, fetch: false)
+
+    if object.data["quoteUrl"] && object.data["quoteUrl"] != "" do
+      Activity.get_create_by_object_ap_id(object.data["quoteUrl"])
+    else
+      nil
+    end
+  end
+
   def render_content(%{data: %{"name" => name}} = object) when not is_nil(name) and name != "" do
     url = object.data["url"] || object.data["id"]