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;
  