Merge branch 'preload-data' into 'develop'

Preload data into index.html

Closes #1660

See merge request pleroma/pleroma!2381

1 files changed, 49 insertions, 0 deletions

diff --git a/lib/pleroma/web/preload/instance.ex b/lib/pleroma/web/preload/instance.ex
new file mode 100644
index 000000000..0b6fd3313
--- /dev/null
+++ b/lib/pleroma/web/preload/instance.ex
@@ -0,0 +1,49 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.Preload.Providers.Instance do
+  alias Pleroma.Web.MastodonAPI.InstanceView
+  alias Pleroma.Web.Nodeinfo.Nodeinfo
+  alias Pleroma.Web.Preload.Providers.Provider
+
+  @behaviour Provider
+  @instance_url :"/api/v1/instance"
+  @panel_url :"/instance/panel.html"
+  @nodeinfo_url :"/nodeinfo/2.0"
+
+  @impl Provider
+  def generate_terms(_params) do
+    %{}
+    |> build_info_tag()
+    |> build_panel_tag()
+    |> build_nodeinfo_tag()
+  end
+
+  defp build_info_tag(acc) do
+    info_data = InstanceView.render("show.json", %{})
+
+    Map.put(acc, @instance_url, info_data)
+  end
+
+  defp build_panel_tag(acc) do
+    instance_path = Path.join(:code.priv_dir(:pleroma), "static/instance/panel.html")
+
+    if File.exists?(instance_path) do
+      panel_data = File.read!(instance_path)
+      Map.put(acc, @panel_url, panel_data)
+    else
+      acc
+    end
+  end
+
+  defp build_nodeinfo_tag(acc) do
+    case Nodeinfo.get_nodeinfo("2.0") do
+      {:error, _} ->
+        acc
+
+      nodeinfo_data ->
+        Map.put(acc, @nodeinfo_url, nodeinfo_data)
+    end
+  end
+end