lib/avo/base_resource.rb in avo-3.0.1.beta2 vs lib/avo/base_resource.rb in avo-3.0.1.beta3

@@ -63,10 +63,11 @@
     class_attribute :record_selector, default: true
     class_attribute :keep_filters_panel_open, default: false
     class_attribute :extra_params
     class_attribute :link_to_child_resource, default: false
     class_attribute :map_view
+    class_attribute :components, default: {}
 
     # EXTRACT:
     class_attribute :ordering
 
     class << self
@@ -291,10 +292,14 @@
         entity_loader(entity).bag
       end
 
       # def get_action_arguments / def get_filter_arguments / def get_scope_arguments
       define_method "get_#{entity}_arguments" do |entity_class|
-        send("get_#{plural_entity}").find { |entity| entity[:class].to_s == entity_class.to_s }[:arguments]
+        klass = send("get_#{plural_entity}").find { |entity| entity[:class].to_s == entity_class.to_s }
+        
+        raise "Couldn't find '#{entity_class}' in the 'def #{plural_entity}' method on your '#{self.class}' resource." if klass.nil?
+
+        klass[:arguments]
       end
     end
 
     def hydrate(record: nil, view: nil, user: nil, params: nil)
       @view = view if view.present?