text: const { Model, DataTypes } = require('sequelize');
  
  const sequelize = require('../config/connection');
  
  class ProductTag extends Model {}
  
  ProductTag.init(
    {
      // define columns
      id : {
        type: DataTypes.INTEGER,
        allowNull: false,
        primaryKey: true,
        autoIncrement: true,
      },
      product_id : {
        type: DataTypes.INTEGER,
        references: {
          model: "product",
          key: "id",
        },
      },
      tag_id: {
        type: DataTypes.INTEGER,
        references: {
          model: "tag",
          key: "id",
        },
      },
    },
    {
      sequelize,
      timestamps: false,
      freezeTableName: true,
      underscored: true,
      modelName: 'product_tag',
    }
  );
  
  module.exports = ProductTag;
  