code: function buildModelUrl (protocol, host, apiRoot, modelName, id) {
    var result
  
    try {
      result = url.format({
        protocol: protocol,
        host: host,
        pathname: url.resolve('/', [apiRoot, modelName, id].join('/'))
      })
    } catch (e) {
      return ''
    }
  
    return result
  }
docs: Builds a models url
  @public
  @memberOf {Utils}
  @param {String} protocol
  @param {String} host
  @param {String} apiRoot
  @param {String} modelName
  @param {String|Number} id
  @return {String}