Class: PaperTrail::Queries::Versions::WhereObjectChanges Private

Inherits:
Object
  • Object
show all
Defined in:
lib/paper_trail/queries/versions/where_object_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_object_changes` in `paper_trail/version_concern.rb`.

Instance Method Summary collapse

Constructor Details

#initialize(version_model_class, attributes) ⇒ WhereObjectChanges

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.

  • attributes - A ‘Hash` of attributes and values. See the public API documentation for details.



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

def initialize(version_model_class, attributes)
  @version_model_class = version_model_class

  # Currently, this `deep_dup` is necessary because the `jsonb` branch
  # modifies `@attributes`, and that would be a nasty surprise for
  # consumers of this class.
  # TODO: Stop modifying `@attributes`, then remove `deep_dup`.
  @attributes = attributes.deep_dup
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_object_changes.rb', line 25

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