Method init

src/model.js:958–1116

* Initialize a model, representing a table in the DB, with attributes and options. * * The table columns are defined by the hash that is given as the first argument. * Each attribute of the hash represents a column. * * @example * Project.init({ * columnA: { * type: Seq

(attributes, options = {})

   * @returns {Model}
   */
  static init(attributes, options = {}) {
    if (!options.sequelize) {
      throw new Error('No Sequelize instance passed');
    }

    this.sequelize = options.sequelize;

    const globalOptions = this.sequelize.options;

    options = Utils.merge(_.cloneDeep(globalOptions.define), options);

    if (!options.modelName) {
      options.modelName = this.name;
    }

    options = Utils.merge({
      name: {
        plural: Utils.pluralize(options.modelName),
        singular: Utils.singularize(options.modelName)
      },
      indexes: [],
      omitNull: globalOptions.omitNull,
      schema: globalOptions.schema
    }, options);

    this.sequelize.runHooks('beforeDefine', attributes, options);

    if (options.modelName !== this.name) {
      Object.defineProperty(this, 'name', { value: options.modelName });
    }
    delete options.modelName;

    this.options = {
      timestamps: true,
      validate: {},
      freezeTableName: false,
      underscored: false,
      paranoid: false,
      rejectOnEmpty: false,
      whereCollection: null,
      schema: null,
      schemaDelimiter: '',
      defaultScope: {},
      scopes: {},
      indexes: [],
      whereMergeStrategy: 'overwrite',
      ...options
    };

    // if you call "define" multiple times for the same modelName, do not clutter the factory
    if (this.sequelize.isDefined(this.name)) {
      this.sequelize.modelManager.removeModel(this.sequelize.modelManager.getModel(this.name));
    }

    this.associations = {};
    this._setupHooks(options.hooks);

    this.underscored = this.options.underscored;