tag.js

const db = require('../_db');
const Sequelize = require('sequelize');

class tag extends Sequelize.Model {
  Associate(Models) {
    for (const Model of Models) { 
      Model.belongsToMany(this, {
        foreignKey: 'foreign_key',
        constraints: false,
        through: {
          model: db.models.tag_link,
          unique: false,
          scope: {
            table: Model.name 
          }
        }
      })
      
      this.belongsToMany(Model, {
        foreign_key: 'tag_id',
        through: {
          model: db.models.tag_link,
          unique: false,
        }
      })
    }
  }
}

tag.init({
  name: {
    type: Sequelize.STRING(100),
    allowNull: false,
  }
},{
  sequelize: db,
  tableName: 'tag',
});

module.exports = tag