Test modifiers

modifiers.js

'use strict'
const Knex = require('knex')
const objection = require('objection')

const knex = new Knex({
  client: 'pg',
  connection: { database: 'fl0w', user: 'fl0w' }
})

objection.Model.knex(knex)

const migrate = async () => {
  await knex.schema.createTable('ModelB', t => {
    t.increments('id')
    t.timestamp('confirmedAt')
  })

  await knex.schema.createTable('ModelA', t => {
    t.increments('id')
    t.integer('bId').references('id').inTable('ModelB')
  })
}

const teardown = async () => {
  await knex.schema.dropTable('ModelA')
  await knex.schema.dropTable('ModelB')
  await knex.destroy()
}

class ModelA extends objection.Model {
  static get tableName () {
    return 'ModelA'
  }

  static get relationMappings () {
    return {
      b: {
        relation: objection.Model.BelongsToOneRelation,
        modelClass: ModelB,
        join: {
          from: 'ModelA.bId',
          to: 'ModelB.id'
        }
      }
    }
  }
}

class ModelB extends objection.Model {
  static get modifiers () {
    return {
      confirmed: builder => builder.whereNotNull('confirmedAt')
    }
  }
  static get tableName () {
    return 'ModelB'
  }
}

async function main () {
  await migrate()
  await ModelA.fromJson({ id: 1, bId: 1 }).$loadRelated('b(confirmed)').debug()
  await teardown()
}

main()