gistfile1.rb

# a monkey-patch fix for OR-query building, needed for Rails 4.2
module Databound
  class Manager
    def or_query(root, *scopes)
      relations = scopes.map do |scope|
        root.where(scope.to_h)
      end

      nodes = relations.map do |rel|
        rel.where_values.reduce(:and)
      end

      bind_values = relations.flat_map(&:bind_values)

      res = root.where(nodes.reduce(:or)).tap { |rel| rel.bind_values = bind_values }
      res
    end

    def find_scoped_records(only_extra_scopes: false)
      records = or_query(model, @scope, *@extra_where_scopes)

      unless only_extra_scopes
        records = filter_by_params!(records)
        check_permit!(:read, records)
      end

      records
    end

    # THIS WAS: or_query(records, params, *@extra_where_scopes)
    # simplified the condition, because repeated or-query joining by and doesn't quite work
    def filter_by_params!(records)
      records.where(params.to_h)
    end
  end
end