Contents

module Controller::QueryConditions
  private

  def add_conditions_from_query(scope)
    if query_params.keys.include?('q')
      condition_params = normalize_query_params(query_params)
    else
      condition_params = query_params
    end

    condition_params.reject.reject { |k,v| v.blank? }.each do |field, condition|
      case field
      when 'limit'
        scope = scope.limit(condition.to_i)
      when 'offset'
        scope = scope.offset(condition.to_i)
      when 'order'
        scope = scope.order(condition)
      when 'includes'
        scope = scope.includes(condition.map(&:to_sym))
      else
        condition_statement = ::Api::ResourcesController::ConditionParser.new(scope, field, condition).condition_statement
        scope = scope.where(condition_statement)
      end
    end
    scope
  end

  def query_params
    default_query_params
  end

  def default_query_params
    request.query_parameters.except(*default_query_params_exceptions)
  end

  def default_query_params_exceptions
    %w(sort_by sort_direction utf8 commit page)
  end

  def normalize_query_params(params)
    params['q'].each_with_object({}) { |(k, v), m| m[normalize_key(k)] = v }
  end

  def normalize_key(key)
    splitted_key = key.split('_')
    predicate = splitted_key.last
    attribute = splitted_key[0..-2].join('_')
    "#{attribute}(#{predicate})"
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
rails-add_ons-3.0.0.pre1	app/concerns/controller/query_conditions.rb