api.pawol.nu/api/mizik/models/mizik.js

'use strict'

const slugify = require('slugify')

const jwennAwtisEpiId = async data => {
  const awtis = await strapi.query('awtis').find({_id: data})
  return awtis.map(a => a.alias).join('-')
}

module.exports = {
  lifecycles: {
    beforeCreate: async data => {
      if (data.titre) {
        const awtis = await jwennAwtisEpiId(data.awtis)
        data.slug = slugify(`${awtis}-${data.titre}`, {lower: true, remove: /[*#+~.()'"!:@]/g})
      }
    },
    beforeUpdate: async (params, data) => {
      if (data.titre) {
        const awtis = await jwennAwtisEpiId(data.awtis)
        data.slug = slugify(`${awtis}-${data.titre}`, {lower: true, remove: /[*#+~.()'"!:@]/g})
      }
    }
  }
}