better configuration

config/config.exs

@@ -95,10 +95,10 @@
   ip: {0, 0, 0, 0},
   port: 9999
 
-config :pleroma, :suggestions, third_party_engine: false
-# config :pleroma, :suggestions,
-#   third_party_engine:
-#     "http://vinayaka.distsn.org/cgi-bin/vinayaka-user-match-suggestions-api.cgi?{{host}}+{{user}}"
+config :pleroma, :suggestions,
+  enabled: false,
+  third_party_engine:
+    "http://vinayaka.distsn.org/cgi-bin/vinayaka-user-match-suggestions-api.cgi?{{host}}+{{user}}"
 
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -1076,9 +1076,9 @@ def errors(conn, _) do
   @suggestions Application.get_env(:pleroma, :suggestions)
 
   def suggestions(%{assigns: %{user: user}} = conn, _) do
+    if Keyword.get(@suggestions, :enabled, false) do
       api = Keyword.get(@suggestions, :third_party_engine, false)
 
-    if api do
       host =
         Application.get_env(:pleroma, Pleroma.Web.Endpoint)
         |> Keyword.get(:url)

lib/pleroma/web/nodeinfo/nodeinfo_controller.ex

@@ -45,6 +45,7 @@ def nodeinfo(conn, %{"version" => "2.0"}) do
       metadata: %{
         nodeName: Keyword.get(instance, :name),
         mediaProxy: Keyword.get(media_proxy, :enabled),
+        suggestions: Keyword.get(suggestions, :enabled, false),
         suggestionsThirdPartyEngine: Keyword.get(suggestions, :third_party_engine, false)
       }
     }