Class: PaperTrail::Queries::Versions::WhereAttributeChanges Private

Inherits:
Object
  • Object
show all
Defined in:
lib/paper_trail/queries/versions/where_attribute_changes.rb

Overview

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

For public API documentation, see ‘where_attribute_changes` in `paper_trail/version_concern.rb`.

Instance Method Summary collapse

Constructor Details

#initialize(version_model_class, attribute) ⇒ WhereAttributeChanges

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

  • version_model_class - The class that VersionConcern was mixed into.

  • attribute - An attribute that changed. See the public API documentation for details.



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# File 'lib/paper_trail/queries/versions/where_attribute_changes.rb', line 14

def initialize(version_model_class, attribute)
  @version_model_class = version_model_class
  @attribute = attribute
end

Instance Method Details

#execute ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/paper_trail/queries/versions/where_attribute_changes.rb', line 20

def execute
  if PaperTrail.config.object_changes_adapter.respond_to?(:where_attribute_changes)
    return PaperTrail.config.object_changes_adapter.where_attribute_changes(
      @version_model_class, @attribute
    )
  end
  column_type = @version_model_class.columns_hash["object_changes"].type
  case column_type
  when :jsonb, :json
    json
  else
    raise UnsupportedColumnType.new(
      method: "where_attribute_changes",
      expected: "json or jsonb",
      actual: column_type
    )
  end
end