app/services/menuBuilder/communicationMenuBuilder.ts

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

/**
 * Menu Communication
 */
export default class CommunicationMenuBuilder extends AbstractMenuBuilder {

  name() {
    return 'Communication'
  }

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

    if (this.ability.can('display', 'inbox_page')) {
      children.push(this.createItem('inbox', {name: 'fas fa-inbox'}, '/messages/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'message_send_page')) {
      children.push(this.createItem('message_send', {name: 'fas fa-paper-plane'}, '/messagessends/list/', MENU_LINK_TYPE.V1))
    }

    if (this.ability.can('display', 'message_templates_page')) {
      children.push(this.createItem('message_templates', {name: 'fas fa-edit'}, '/templates/list/', MENU_LINK_TYPE.V1))
    }

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

    return null
  }
}