class ReeSwagger::BuildParameters

def call(mapper, path_params, with_query_params)
  mapper.fields.filter_map do |_name, field|
    is_path_param = path_params.include?(field.name)
    next unless is_path_param || with_query_params
    if is_path_param
      if field.type.type.nil?
        raise ObjectPathParamError, "path parameter(#{
          field.name
        }) can not be an object"
      end
      if field.type.type.is_a?(ReeMapper::Array)
        raise ArrayPathParamError, "path parameter(#{
          field.name
        }) can not be an array"
      end
    end
    schema =  {
      name: field.name_as_str,
      in: is_path_param ? 'path' : 'query',
      required: is_path_param || !field.optional,
      schema: build_request_body_schema(field.type, [], [field.fields_filter]) || {}
    }
    schema[:style] = 'deepObject' if field.type.type.nil?
    schema[:nullable] = true if field.null
    schema
  end
end