module Aggrobot::QueryPlanner::ParametersValidator

Public Instance Methods

validate_and_extract_relation(collection) click to toggle source
# File lib/aggrobot/query_planner/parameters_validator.rb, line 4
def validate_and_extract_relation(collection)
  if !collection.is_a?(ActiveRecord::Relation) && (collection < ActiveRecord::Base rescue false)
    collection.unscoped
  elsif collection.is_a?(ActiveRecord::Relation)
    collection
  else
    raise ArgumentError.new 'Only ActiveRecord Models and Relations can be used in Aggrobot'
  end
end
validate_options(opts, required_parameters, optional_parameters) click to toggle source
# File lib/aggrobot/query_planner/parameters_validator.rb, line 14
def validate_options(opts, required_parameters, optional_parameters)
  params = opts.keys
  # raise errors for required parameters
  raise_opts_error(opts, required_parameters, optional_parameters) unless (required_parameters - params).empty?
  # raise errors if any extra arguments given
  raise_opts_error(opts, required_parameters, optional_parameters) unless (params - required_parameters - optional_parameters).empty?
end

Private Instance Methods

raise_opts_error(opts, required_parameters, optional_parameters) click to toggle source
# File lib/aggrobot/query_planner/parameters_validator.rb, line 24
      def raise_opts_error(opts, required_parameters, optional_parameters)
        raise ArgumentError, <<-ERR
          Wrong arguments given - #{opts}
          Required parameters are #{required_parameters}
          Optional parameters are #{optional_parameters}
        ERR
      end