static fe: proof of concept

lib/pleroma/web/static_fe/static_fe_controller.ex

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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.StaticFE.StaticFEController do
+  use Pleroma.Web, :controller
+
+  alias Pleroma.Repo
+  alias Pleroma.Activity
+  alias Pleroma.Object
+  alias Pleroma.User
+  alias Pleroma.Web.ActivityPub.Visibility
+
+  require Logger
+
+  def show_notice(conn, %{"notice_id" => notice_id}) do
+    with %Activity{} = activity <- Repo.get(Activity, notice_id),
+         true <- Visibility.is_public?(activity),
+         %User{} = user <- User.get_or_fetch(activity.data["actor"]),
+         %Object{} = object <- Object.normalize(activity.data["object"]) do
+      conn
+      |> put_layout(:static_fe)
+      |> put_status(200)
+      |> put_view(Pleroma.Web.StaticFE.StaticFEView)
+      |> render("notice.html", %{notice: activity, object: object, user: user})
+    else
+      _ ->
+        conn
+        |> put_status(404)
+        |> text("Not found")
+    end
+  end
+
+  def show(%{path_info: ["notice", notice_id]} = conn, _params), do: show_notice(conn, %{"notice_id" => notice_id})
+
+  # Fallback for unhandled types
+  def show(conn, _params) do
+    conn
+    |> put_status(404)
+    |> text("Not found")
+  end
+end

lib/pleroma/web/static_fe/static_fe_view.ex

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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.StaticFE.StaticFEView do
+  use Pleroma.Web, :view
+
+  alias Pleroma.User
+  alias Pleroma.Web.MediaProxy
+  alias Pleroma.Formatter
+
+  def emoji_for_user(%User{} = user) do
+    (user.info.source_data["tag"] || [])
+    |> Enum.filter(fn %{"type" => t} -> t == "Emoji" end)
+    |> Enum.map(fn %{"icon" => %{"url" => url}, "name" => name} ->
+      {String.trim(name, ":"), url}
+    end)
+  end
+end