Merge branch 'features/admin-api-user-views' into 'develop'

[akkoma] / lib / pleroma / config.ex

diff --git a/lib/pleroma/config.ex b/lib/pleroma/config.ex
index fc5338591d684b9da364644d99a33cfc84dc0155..21507cd38fee1ab655f11426b15c1d4d1f34a65d 100644 (file)
--- a/lib/pleroma/config.ex
+++ b/lib/pleroma/config.ex
@@ -1,13 +1,33 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
 defmodule Pleroma.Config do
-  def get([key]), do: get(key)
+  defmodule Error do
+    defexception [:message]
+  end
+
+  def get(key), do: get(key, nil)
+
+  def get([key], default), do: get(key, default)
 
-  def get([parent_key | keys]) do
+  def get([parent_key | keys], default) do
     Application.get_env(:pleroma, parent_key)
-    |> get_in(keys)
+    |> get_in(keys) || default
   end
 
-  def get(key) do
-    Application.get_env(:pleroma, key)
+  def get(key, default) do
+    Application.get_env(:pleroma, key, default)
+  end
+
+  def get!(key) do
+    value = get(key, nil)
+
+    if value == nil do
+      raise(Error, message: "Missing configuration value: #{inspect(key)}")
+    else
+      value
+    end
   end
 
   def put([key], value), do: put(key, value)
@@ -23,4 +43,18 @@ defmodule Pleroma.Config do
   def put(key, value) do
     Application.put_env(:pleroma, key, value)
   end
+
+  def delete([key]), do: delete(key)
+
+  def delete([parent_key | keys]) do
+    {_, parent} =
+      Application.get_env(:pleroma, parent_key)
+      |> get_and_update_in(keys, fn _ -> :pop end)
+
+    Application.put_env(:pleroma, parent_key, parent)
+  end
+
+  def delete(key) do
+    Application.delete_env(:pleroma, key)
+  end
 end