Ekapp/skolehjem/database/seeds/PermissionSeeder.php

<?php

use Illuminate\Database\Seeder;
use Spatie\Permission\Models\Permission;


class PermissionSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        $permissions = [
            /**
             * The USER specific permissions
             */
            "user.list" => "Access to list the users.",
            "user.show" => "Shows another user profile.",
            "user.edit" => "Allows editing of other users.",
            "user.delete" => "Allows deleting of other users.",

            /**
             * The CALENDAR specific permissions
             */
            "calendar.create" => "Create a new event.",
            "calendar.list" => "Shows all events.",
            "calendar.show" => "Shows a specific event.",
            "calendar.edit" => "Allows editing of events.",
            "calendar.delete" => "Allows the deletion of events.",

            /**
             * The EXTERNAL LINK specific permissions
             */
            "link.external.create" => "Create a new external link.",
            "link.external.list" => "List all external links.",
            "link.external.show" => "Show a specific external link",
            "link.external.edit" => "Allows editing of external links.",
            "link.external.delete" => "Allows deletion of external links",

            "event.create" => "Create a new event",
            "event.list" => "Shows all events",
            "event.show" => "Shows event",
            "event.edit" => "Edit event",
            "event.delete" => "Deletes an event",

            "contact.create" => "Creates a new contact",
            "contact.list" => ""
        ];

        foreach ($permissions as $key => $value) {

            try {
                if(Permission::findByName($key))
                    continue;
            } catch (Exception $e) {
                $permission = new Permission();

                $permission->name = $key;
                $permission->description = $value;

                $permission->save();
            }
        }
    }
}