Module: Sinatra::FilteringParameters

Defined in:
lib/sinatra/filtering_parameters.rb,
lib/sinatra/filtering_parameters/version.rb

Constant Summary collapse

VERSION =

sinatra-filtering_parameters version

"0.1.1"

Class Method Summary collapse

Class Method Details

.allow(params, filters) ⇒ Object 



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# File 'lib/sinatra/filtering_parameters.rb', line 20

def allow(params, filters)
  allow_params = {}
  _filters = [filters].flatten
  [filters].flatten.each do |filter|
    _filters.shift
    case filter
    when Symbol, String
      filter = filter.to_s
      next unless params.is_a?(Hash)

      if params.has_key?(filter)
        if params[filter].is_a?(Hash)
          allow_param = allow(params[filter], _filters)
          allow_params[filter] = allow_param unless allow_param.empty?
        else
          allow_params[filter] = params[filter]
        end
      end
    when Hash
      _params = {}
      filter.keys.map(&:to_s).each { |k| _params[k] = params[k] if params.has_key?(k) }
      _params.each do |key, value|
        case value
        when Array
          [value].flatten.each do |v|
            allow_param = allow(v, filter.values)
            unless allow_param.empty?
              allow_params[key] ||= []
              allow_params[key] << allow_param
            end
          end
        else
          if value.keys.all? { |k| k =~ /\A-?\d+\z/ }
            value.each do |k, v|
              allow_param = allow(v, filter.values)
              unless allow_param.empty?
                allow_params[key] ||= {}
                allow_params[key][k] = allow_param
              end
            end
          else
            allow_param = allow(value, filter.values)
            allow_params[key] = allow_param unless allow_param.empty?
          end
        end
      end
    end
  end
  allow_params
end

.registered(app) ⇒ Object 



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# File 'lib/sinatra/filtering_parameters.rb', line 6

def registered(app)
  app.set(:allow) do |*filters|
    condition do
      original = @params.dup
      @params.clear
      %w[ splat captures ].each do |name|
        @params[name] = original.delete(name) if original.include?(name)
      end
      allow_params = Sinatra::FilteringParameters.allow(original, filters)
      @params.merge! indifferent_params(allow_params)
    end
  end
end