audiobookshelf/server/models/LibraryFolder.js

const { DataTypes, Model } = require('sequelize')

class LibraryFolder extends Model {
  constructor(values, options) {
    super(values, options)

    /** @type {UUIDV4} */
    this.id
    /** @type {string} */
    this.path
    /** @type {UUIDV4} */
    this.libraryId
    /** @type {Date} */
    this.createdAt
    /** @type {Date} */
    this.updatedAt
  }

  /**
   * Initialize model
   * @param {import('../Database').sequelize} sequelize
   */
  static init(sequelize) {
    super.init(
      {
        id: {
          type: DataTypes.UUID,
          defaultValue: DataTypes.UUIDV4,
          primaryKey: true
        },
        path: DataTypes.STRING
      },
      {
        sequelize,
        modelName: 'libraryFolder'
      }
    )

    const { library } = sequelize.models
    library.hasMany(LibraryFolder, {
      onDelete: 'CASCADE'
    })
    LibraryFolder.belongsTo(library)
  }
}

module.exports = LibraryFolder