Add toggle to disable groups

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/graphql/resolvers/config.ex

@@ -102,7 +102,10 @@ defmodule Mobilizon.GraphQL.Resolvers.Config do
         }
       },
       resource_providers: Config.instance_resource_providers(),
-      timezones: Tzdata.zone_list()
+      timezones: Tzdata.zone_list(),
+      features: %{
+        groups: Config.instance_group_feature_enabled?()
+      }
     }
   end
 end

lib/graphql/schema/config.ex

@@ -22,6 +22,7 @@ defmodule Mobilizon.GraphQL.Schema.ConfigType do
     field(:anonymous, :anonymous)
     field(:resource_providers, list_of(:resource_provider))
     field(:timezones, list_of(:string))
+    field(:features, :features)
 
     field(:terms, :terms, description: "The instance's terms") do
       arg(:locale, :string, default_value: "en")
@@ -105,6 +106,10 @@ defmodule Mobilizon.GraphQL.Schema.ConfigType do
     field(:software, :string)
   end
 
+  object :features do
+    field(:groups, :boolean)
+  end
+
   object :config_queries do
     @desc "Get the instance config"
     field :config, :config do

lib/mobilizon/config.ex

@@ -162,6 +162,8 @@ defmodule Mobilizon.Config do
     end
   end
 
+  def instance_group_feature_enabled?, do: Application.get_env(:mobilizon, :instance)[:groups]
+
   def anonymous_actor_id, do: get_cached_value(:anonymous_actor_id)
   def relay_actor_id, do: get_cached_value(:relay_actor_id)