streamline-emr/docker/streamline-src/app/Console/Commands/SendAppointmentRemaindersCommand.php

<?php

namespace Streamline\Console\Commands;

use Carbon\Carbon;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Streamline\Http\Controllers\SMSController;

class SendAppointmentRemaindersCommand extends Command {
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'appointment:remainders';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Send sms alerts to remind patients of appointments a day before';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct() {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle() {
        $tomorrow_start = Carbon::now()->startOfDay()->addDay();
        $tomorrow_end = Carbon::now()->endOfDay()->addDay();

        $appointments = DB::table('patient_appointments')
            ->whereBetween('appointment_date', [$tomorrow_start, $tomorrow_end])
            ->get();

        foreach ($appointments as $appointment) {
            if (is_sms_enabled()) {
                // send sms alert to the patient
                $sms = "This is a reminder that your appointment at " . get_name(1, 'id', 'name', 'hospital_information') .
                    " is scheduled for tomorrow the " . streamline_date($appointment->appointment_date) . " at " . $appointment->appointment_time;

                (new SMSController)->send_appointments_alert($appointment->patient_id, $sms);
            }
        }
    }
}