Move action callbacks to action class

lib/custom_wizard/action.rb

@@ -43,10 +43,14 @@ class CustomWizard::Action
     @mapper ||= CustomWizard::Mapper.new(user: user, data: mapper_data)
   end
 
+  def callbacks_for(action)
+    self.class.callbacks[action] || []
+  end
+
   def create_topic
     params = basic_topic_params.merge(public_topic_params)
 
-    CustomWizard::Field.action_callbacks.each do |acb|
+    callbacks_for(:before_create_topic).each do |acb|
       params = acb.call(params, @wizard, @action, @submission)
     end
 
@@ -421,6 +425,15 @@ class CustomWizard::Action
     end
   end
 
+  def self.callbacks
+    @callbacks ||= {}
+  end
+
+  def self.register_callback(action, &block)
+    callbacks[action] ||= []
+    callbacks[action] << block
+  end
+
   private
 
   def action_category

lib/custom_wizard/field.rb

@@ -131,10 +131,6 @@ class CustomWizard::Field
     }
   end
 
-  def self.action_callbacks
-    @acbs ||= []
-  end
-
   def self.require_assets
     Rails.logger.warn("Custom Wizard field regisration no longer requires asset registration. Support will be removed in v2.1.0.")
 
@@ -153,9 +149,5 @@ class CustomWizard::Field
       types[type.to_sym] ||= {}
       types[type.to_sym] = opts[:type_opts] if opts[:type_opts].present?
     end
-
-    if opts[:action_callback].present? && opts[:action_callback].is_a?(Proc)
-      action_callbacks << opts[:action_callback]
-    end
   end
 end