2023-03-19 15:19:22 -05:00

31 lines
751 B
JavaScript

const { DataTypes, Model } = require('sequelize')
module.exports = (sequelize) => {
class BookTag extends Model { }
BookTag.init({
id: {
type: DataTypes.UUID,
defaultValue: DataTypes.UUIDV4,
primaryKey: true
}
}, {
sequelize,
modelName: 'bookTag',
timestamps: false
})
// Super Many-to-Many
// ref: https://sequelize.org/docs/v6/advanced-association-concepts/advanced-many-to-many/#the-best-of-both-worlds-the-super-many-to-many-relationship
const { book, tag } = sequelize.models
book.belongsToMany(tag, { through: BookTag })
tag.belongsToMany(book, { through: BookTag })
book.hasMany(BookTag)
BookTag.belongsTo(book)
tag.hasMany(BookTag)
BookTag.belongsTo(tag)
return BookTag
}