Function updateUser has 31 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  updateUser(req, res, next) {
    req.body = deleteEmptyFields(trimFields(req.body));
    delete req.body.id;
    delete req.body.isAdmin;
    delete req.body.username;

Function signup has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  signup(req, res, next) {
    req.body = deleteEmptyFields(trimFields(req.body));
    delete req.body.id;
    delete req.body.isAdmin;
    req.body.username = req.body.username && req.body.username.toLowerCase();

Function updateUserInfo has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  updateUserInfo(req, res, next) {
    delete req.body.isAdmin;
    req.body.passwordResetToken = null;
    return User.findById(req.user.id)
      .then((user) => {

Function getBorrowedBooks has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  getBorrowedBooks(req, res, next) {
    const id = req.params.id;
    User.findOne({
      where: { id },
      include: [

Function up has 28 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  up(queryInterface, Sequelize) {
    return queryInterface.createTable('Notifications', {
      id: {
        allowNull: false,
        autoIncrement: true,

Function up has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  up(queryInterface, Sequelize) {
    return queryInterface.createTable('BorrowedBooks', {
      id: {
        allowNull: false,
        autoIncrement: true,

Function authenticate has 26 lines of code (exceeds 25 allowed). Consider refactoring.

Open

const authenticate = (req, res, next) => {
  const token = getToken(req);
  if (token) {
    jwt.verify(token, process.env.SECRET, (error, decoded) => {
      if (error) {

Function render has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

  render() {
    const actionButtons = this.props.isAdmin ? (
      <div className="card-action">
        <Button
          className="teal darken-4 action-btn edit-btn"

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Function BorrowedTable has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

const BorrowedTable = (props) => {
  const rows = props.books.length ? props.books.map((book) => {
    const returned = book.borrowedBook.returned;
    const bookImage = <img src={(book.cover &&
      requestImageUrl(book.cover, { width: 50 })) || BOOK_IMAGE_FALLBACK}

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Function validateSignUp has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

export const validateSignUp = (state) => {
  const errors = {};
  if (state.username.charAt(0) === ' ') {
    errors.username = 'Username cannot begin with space characters';
  } else if (state.username.charAt(state.username.length - 1) === ' ') {

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Function signup has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  signup(req, res, next) {
    req.body = deleteEmptyFields(trimFields(req.body));
    delete req.body.id;
    delete req.body.isAdmin;
    req.body.username = req.body.username && req.body.username.toLowerCase();

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Avoid too many return statements within this function.

Open

      return res.status(400).send({
        message: 'Passwords do not match'
      });

Avoid too many return statements within this function.

Open

      return { ...state, books };