Method: Mobility::Backend::ActiveRecord::Jsonb::QueryMethods#extended

Defined in:
lib/mobility/backend/active_record/jsonb/query_methods.rb

#extended(relation) ⇒ Object 


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# File 'lib/mobility/backend/active_record/jsonb/query_methods.rb', line 36

def extended(relation)
  super
  attributes_extractor = @attributes_extractor
  m = relation.model.arel_table

  mod = Module.new do
    define_method :not do |opts, *rest|
      if i18n_keys = attributes_extractor.call(opts)
        locale = Arel::Nodes.build_quoted(Mobility.locale.to_s)
        opts = opts.with_indifferent_access
        infix = Arel::Nodes::InfixOperation

        i18n_query = i18n_keys.inject(nil) { |ops, attr|
          column = m[attr.to_sym]
          has_key = infix.new(:'?', column, locale)
          predicate = Arel::Nodes.build_quoted({ Mobility.locale => opts.delete(attr) }.to_json)
          not_eq_value = infix.new(:'@>', m[attr.to_sym], predicate).not
          op = has_key.and(not_eq_value)
          ops ? ops.and(op) : op
        }

        super(opts, *rest).where(i18n_query)
      else
        super(opts, *rest)
      end
    end
  end
  relation.model.mobility_where_chain.prepend(mod)
end