Method: Mongo::URI::OptionsMapper#ruby_to_string

Defined in:
lib/mongo/uri/options_mapper.rb

#ruby_to_string(opts) ⇒ Hash

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Converts Ruby options provided to their representation in a URI string.

Parameters:

  • opts (Hash) —

    Ruby options to convert.

Returns:

  • (Hash) —

    URI string hash.

Since:

  • 2.0.0



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# File 'lib/mongo/uri/options_mapper.rb', line 169

def ruby_to_string(opts)
  rv = {}
  URI_OPTION_MAP.each do |uri_key, spec|
    if spec[:group]
      v = opts[spec[:group]]
      v = v && v[spec[:name]]
    else
      v = opts[spec[:name]]
    end
    unless v.nil?
      if type = spec[:type]
        v = send("stringify_#{type}", v)
      end
      canonical_key = URI_OPTION_CANONICAL_NAMES[uri_key]
      unless canonical_key
        raise ArgumentError, "Option #{uri_key} is not known"
      end
      rv[canonical_key] = v
    end
  end
  # For options that default to true, remove the value if it is true.
  %w(retryReads retryWrites).each do |k|
    if rv[k]
      rv.delete(k)
    end
  end
  # Remove auth source when it is $external for mechanisms that default
  # (or require) that auth source.
  if %w(MONGODB-AWS).include?(rv['authMechanism']) && rv['authSource'] == '$external'
    rv.delete('authSource')
  end
  # ssl and tls are aliases, remove ssl ones
  rv.delete('ssl')
  # TODO remove authSource if it is the same as the database,
  # requires this method to know the database specified in the client.
  rv
end