onboard/app/Services/DateRangeService.php

<?php

namespace App\Services;

use App\Models\User;
use Illuminate\Http\Request;
use Illuminate\Support\Carbon;

class DateRangeService
{
    /**
     * Получить унифицированный объект диапазона дат
     */
    public function getNormalizedDateRange(User $user, ?string $startAt = null, ?string $endAt = null): DateRange
    {
        [$startDate, $endDate] = $this->getDateRangeForUser($user, $startAt, $endAt);

        $startCarbon = Carbon::parse($startDate)->setTimeZone('Asia/Yakutsk');
        $endCarbon = Carbon::parse($endDate)->setTimeZone('Asia/Yakutsk');

        return new DateRange(
            startDate: $startCarbon,
            endDate: $endCarbon,
            startDateRaw: $startDate,
            endDateRaw: $endDate,
            isOneDay: $this->isRangeOneDay($startDate, $endDate)
        );
    }

    /**
     * Получить диапазон дат из запроса
     */
    public function getDateRangeFromRequest(Request $request, User $user): DateRange
    {
        return $this->getNormalizedDateRange(
            $user,
            $request->query('startAt', $request->get('startAt')),
            $request->query('endAt', $request->get('endAt'))
        );
    }

    public function getDateRangeForUser($user, $startAt = null, $endAt = null): array
    {
        if ($startAt && $endAt) {
            return $this->getCustomDateRange($startAt, $endAt, $user);
        }

        return $this->getDefaultDateRange($user);
    }

    public function isRangeOneDay($startAt = null, $endAt = null): bool
    {
        if (!$startAt || !$endAt) return false;

        $startDate = $this->parseDate($startAt);
        $endDate = $this->parseDate($endAt);

        return $startDate->diffInDays($endDate) === 1.0;
    }

    private function getCustomDateRange($startAt, $endAt, $user): array
    {
        $startDate = $this->parseDate($startAt);
        $endDate = $this->parseDate($endAt);

        if ($startDate->isSameDay($endDate)) {
            $startDate = $startDate->subDay()->setTime(6, 0);
            $endDate = $endDate->setTime(6, 0);
        } else {
            $startDate = $startDate->setTime(6, 0);
            $endDate = $endDate->setTime(6, 0);
        }

        return [
            $startDate->format('Y-m-d H:i:s'),
            $endDate->format('Y-m-d H:i:s')
        ];
    }

    private function getDefaultDateRange($user): array
    {
        $startDate = Carbon::now('Asia/Yakutsk')
            ->subDay()
            ->setTime(6, 0);

        $endDate = Carbon::now('Asia/Yakutsk')
            ->setTime(6, 0);

        return [
            $startDate->format('Y-m-d H:i:s'),
            $endDate->format('Y-m-d H:i:s')
        ];
    }

    public function parseDate($dateInput): Carbon
    {
        if (is_numeric($dateInput)) {
            return Carbon::createFromTimestampMs($dateInput)
                ->setTimezone('Asia/Yakutsk');
        }

        return Carbon::parse($dateInput, 'Asia/Yakutsk');
    }

    /**
     * Конвертировать дату в Carbon объект
     */
    public function toCarbon($date): Carbon
    {
        if ($date instanceof Carbon) {
            return $date;
        }

        if (is_string($date)) {
            return Carbon::parse($date, 'Asia/Yakutsk');
        }

        return Carbon::parse($date);
    }

    /**
     * Получить дату в формате для SQL запроса
     */
    public function toSqlFormat($date): string
    {
        return $this->toCarbon($date)->format('Y-m-d H:i:s');
    }
}