app/importers/importo/base_importer.rb in importo-2.0.5 vs app/importers/importo/base_importer.rb in importo-3.0.9

@@ -1,31 +1,43 @@
 # frozen_string_literal: true
 
 module Importo
   class BaseImporter
+    include ActiveSupport::Callbacks
     include ActionView::Helpers::SanitizeHelper
     include Importable
     include Exportable
     include Revertable
     include Original
     include ResultFeedback
     include ImporterDsl
+
     # include ActiveStorage::Downloading
 
+    define_callbacks :row_import
+
+    Importo::Import.state_machine.states.map(&:name).each do |state|
+      define_callbacks state
+    end
+
     delegate :friendly_name, :introduction, :model, :columns, :csv_options, :allow_duplicates?, :includes_header?,
-             :ignore_header?, :t, to: :class
+      :ignore_header?, :t, to: :class
     attr_reader :import, :blob
 
     def initialize(imprt = nil)
       @import = imprt
       I18n.locale = import.locale if import&.locale # Should we do this?? here??
     end
 
+    def state_changed(_import, transition)
+      run_callbacks(transition.to_name) do
+      end
+    end
+
     class << self
       def t(key, options = {})
-        if I18n.exists? "importers.#{name.underscore}#{key}".to_sym
-          I18n.t(key,
-                 options.merge(scope: "importers.#{name.underscore}".to_sym))
+        if I18n.exists? :"importers.#{name.underscore}#{key}"
+          I18n.t(key, options.merge(scope: :"importers.#{name.underscore}"))
         end
       end
     end
   end
 end