app/services/menuBuilder/billingMenuBuilder.ts

import AbstractMenuBuilder from '~/services/menuBuilder/abstractMenuBuilder'
import {MENU_LINK_TYPE, MenuGroup, MenuItem, MenuItems} from "~/types/menus";

/**
 * Menu Facturation
 */
export default class BillingMenuBuilder extends AbstractMenuBuilder {

  name() {
    return 'Billing'
  }

  /**
   * Construit le menu Facturation ou null si aucune page accessible
   */
  build (): MenuItem | MenuGroup | null {
    const children: MenuItems = []

    if (this.ability.can('display', 'billing_product_page')) {
      children.push(this.createItem('billing_product', {name: 'fas fa-cube'}, '/intangibles/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'billing_products_by_student_page')) {
      children.push(this.createItem('billing_products_by_student', {name: 'fas fa-cubes'}, '/access_intangibles/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'billing_edition_page')) {
      children.push(this.createItem('billing_edition', {name: 'fas fa-copy'}, '/billing_edition', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'billing_accounting_page')) {
      children.push(this.createItem('billing_accounting', {name: 'fas fa-file-alt'}, '/bill_accountings/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'billing_payment_list_page')) {
      children.push(this.createItem('billing_payment_list', {name: 'fas fa-credit-card'}, '/bill_payments_list/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'pes_page')) {
      children.push(this.createItem('pes_export', {name: 'fas fa-align-justify'}, '/pes/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'berger_levrault_page')) {
      children.push(this.createItem('berger_levrault_export', {name: 'fas fa-align-justify'}, '/berger_levraults/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'jvs_page')) {
      children.push(this.createItem('jvs_export', {name: 'fas fa-align-justify'}, '/jvs/list/', MENU_LINK_TYPE.V1))
    }

    if (children.length > 1) {
      // Plusieurs éléments, on retourne un groupe
      return this.createGroup('billing', {name: 'fas fa-euro-sign'}, children)
    }
    else if (children.length === 1) {
      // Un seul élément, on retourne cet élément seul
      return children[0]
    }

    return null
  }
}