Partially fix tests

1 files changed, 37 insertions, 0 deletions

diff --git a/lib/pleroma/frontend.ex b/lib/pleroma/frontend.ex
index b344edd9e..941e2cfe9 100644
--- a/lib/pleroma/frontend.ex
+++ b/lib/pleroma/frontend.ex
@@ -29,4 +29,41 @@ defmodule Pleroma.Frontend do
       static: fe_config[:static] || false
     }
   end
+
+  @doc """
+  Returns path to index.html file for the frontend from the given config.
+  If config is not provided, config for the `:primary` frontend is fetched and used.
+  If index.html file is not found for the requested frontend, the function fallback
+  to looking the file at instance static directory and then, in case of failure,
+  in priv/static directory.
+  Path returned in case of success is guaranteed to be existing file.
+  """
+  @spec fe_file_path(String.t(), map()) :: {:ok, String.t()} | {:error, String.t()}
+  def fe_file_path(filename, config \\ nil) do
+    %{"name" => name, "ref" => ref} =
+      with nil <- config do
+        get_primary_fe_opts()[:config]
+      end
+
+    instance_base_path = Pleroma.Config.get([:instance, :static_dir], "instance/static/")
+
+    frontend_path = Path.join([instance_base_path, "frontends", name, ref, filename])
+    instance_path = Path.join([instance_base_path, filename])
+    priv_path = Application.app_dir(:pleroma, ["priv", "static", filename])
+
+    cond do
+      File.exists?(instance_path) ->
+        {:ok, instance_path}
+
+      File.exists?(frontend_path) ->
+        {:ok, frontend_path}
+
+      File.exists?(priv_path) ->
+        {:ok, priv_path}
+
+      true ->
+        {:error,
+         "File #{filename} was not found in #{inspect([instance_path, frontend_path, priv_path])}"}
+    end
+  end
 end