expense/app/Helpers/BudgetHelper.php

<?php

namespace App\Helpers;

use GuzzleHttp\Client;
use GuzzleHttp\Exception\RequestException;
use Illuminate\Support\Str;
use App\Models\BudgetControl;
use App\Models\FormUpCountry;
use App\Models\FormMeetingSeminar;
use App\Models\FormOthers;
use App\Models\FormEntertaimentPresentation;
use App\Models\FormVehicleRunningCost;
use App\Helpers\FormHelper;
use App\Models\UserHasCabang;
use Illuminate\Support\Carbon;

class BudgetHelper
{
    public static function getAvailableBudget($cabang_id, $periode_month, $periode_year)
	{
		// Validasi & normalisasi
		$periode_month = strtolower($periode_month);
		$periode_year = (int) $periode_year;

		// Ambil budget sesuai cabang dan periode
		$budget = BudgetControl::where('cabang_id', $cabang_id)
			->where('periode_month', $periode_month)
			->where('periode_year', $periode_year)
			->with(['user.cabang'])
			->get();

		$usedBudget = 0;

		$users = UserHasCabang::where('cabang_id', $cabang_id)->get();
		$userIds = $users->pluck('user_id')->toArray();

		$forms = FormHelper::getFormsByUserIds($userIds, $periode_month, $periode_year)
			->sortByDesc('tanggal')
			->sortByDesc('created_at');

		$usedBudget += $forms->sum('approved_total');

		$availableBudget = $budget->sum('amount') - $usedBudget;

		return $availableBudget;
	}

	public static function getNominalByFormType($userIds, $type, $type_id, $month, $year)
	{
		if ($type == 'Up Country') {
			$form = FormUpCountry::select('approved_total')
				->whereIn('user_id', $userIds)
				->whereMonth('tanggal', '=', date('m', strtotime($month)))
				->whereYear('tanggal', '=', $year)
				->whereIn('status', ['Approved', 'Closed'])
				->get();
		} elseif ($type == 'Vehicle Running Cost') {
			$form = FormVehicleRunningCost::select('approved_total')
				->whereIn('user_id', $userIds)
				->whereMonth('tanggal', '=', date('m', strtotime($month)))
				->whereYear('tanggal', '=', $year)
				->whereIn('status', ['Approved', 'Closed'])
				->get();
		} elseif ($type == 'Entertainment') {
			$form = FormEntertaimentPresentation::select('approved_total')
				->whereIn('user_id', $userIds)
				->whereMonth('tanggal', '=', date('m', strtotime($month)))
				->whereYear('tanggal', '=', $year)
				->whereIn('status', ['Approved', 'Closed'])
				->get();
		} elseif ($type == 'Meeting / Seminar') {
			$form = FormMeetingSeminar::select('approved_total')
				->whereIn('user_id', $userIds)
				->whereMonth('created_at', '=', date('m', strtotime($month)))
				->whereYear('created_at', '=', $year)
				->whereIn('status', ['Approved', 'Closed'])
				->get();
		} else {
			$form = FormOthers::select('approved_total')
				->whereIn('user_id', $userIds)
				->whereMonth('tanggal', '=', date('m', strtotime($month)))
				->whereYear('tanggal', '=', $year)
				->where('kategori_id', $type_id)
				->whereIn('status', ['Approved', 'Closed'])
				->get();
		}

		return $form->sum('approved_total');
	}

	public static function getClosingDate($cabang_id)
	{
		$budget = BudgetControl::where('cabang_id', $cabang_id)->orderBy('created_at', 'desc')->first();

		return $budget->closing_at;
	}
}