hainan/app/AdminSupplier/Controllers/WithdrawalBankController.php

<?php

namespace App\AdminSupplier\Controllers;

use App\AdminSupplier\Repositories\WithdrawalBank;
use App\Common\StatementType;
use App\Models\Agent;
use App\Models\Supplier;
use App\Models\SystemSetting;
use App\Models\Withdrawal;
use App\Service\WithdrawalService;
use App\Traits\DemandTraits;
use App\Traits\StatementTraits;
use App\Traits\WithdrawalTraits;
use Dcat\Admin\Admin;
use Dcat\Admin\Form;
use Dcat\Admin\Grid;
use Dcat\Admin\Repositories\EloquentRepository;
use Dcat\Admin\Show;
use Dcat\Admin\Http\Controllers\AdminController;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;

class WithdrawalBankController extends AdminController
{

	/**
	 * Make a form builder.
	 *
	 * @return Form
	 */
	protected function form()
	{
		return Form::make(new WithdrawalBank(), function (Form $form) {

			$auto = Withdrawal::query()
				->with('pay')
				->where([
					'user_id' => Admin::user()->id,
					'user_type' => DemandTraits::$col[1],
					'status' => WithdrawalTraits::$state[3],
					'pay_type' => WithdrawalTraits::$userType[1],
				])
				->orderByDesc('updated_at')
				->first();
			$form->display('id');
			$min = SystemSetting::val('withdrawal', WithdrawalTraits::$adminType[3]) ?? 0;
			$form->decimal('price','提现金额')->rules('required|numeric|min:'.$min.'|not_in:0',[
				'*' => '提现金额为必填字段且必须大于'.$min,
			])
				->default($auto->price ?? 0)
				->help('含手续费' . SystemSetting::val('withdrawal', WithdrawalTraits::$adminType[1]) . ' %,最小提现金额'.$min);
			$form->text('name')->required()->maxLength(50)->default($auto->pay->name ?? '');
			$form->text('card_number')->required()->maxLength(50)->type('number')->default($auto->pay->card_number ?? '');
			$form->text('account_name')->required()->maxLength(50)->default($auto->pay->account_name ?? '');
			$form->text('branch')->required()->maxLength(100)->default($auto->pay->branch ?? '');
			$form->hidden('withdrawal_id');

			$form->saving(function (Form $form) {
				DB::beginTransaction();
				try {
					$user = Supplier::query()->where('id', Admin::user()->id)->lockForUpdate()->first();
					//手续费
					$cutPrice = bcmul($form->price, SystemSetting::val('withdrawal', WithdrawalTraits::$adminType[1]), 6);
					$cutPrice = $cutPrice > 0 ? bcdiv($cutPrice, 100, 6) : 0;
					//总花费
					$total = bcadd($form->price, $cutPrice,6);
					if ($total > $user->balance) {
						return $form->response()->error('余额不足,本次提现需花费'.bcadd($total,0,2).'(含手续费),当前可用余额为' . $user->balance);
					}

					$user->balance = bcsub($user->balance, $total, 6);
					$user->save();

					$withdrawal = new Withdrawal();
					$withdrawal->user_id = Admin::user()->id;
					$withdrawal->user_type = DemandTraits::$col[1];
					$withdrawal->price = request('price', 0);
					$withdrawal->cut_price = $cutPrice;
					//$withdrawal->pay_id = $form->getKey();
					$withdrawal->pay_type = WithdrawalTraits::$userType[1];
					$withdrawal->save();

					//提现扣钱流水
					$service = new WithdrawalService();
					$service->create(
						bcmul($form->price, -1, 6),
						StatementType::WITHDRAWAL,
						Admin::user()->id,
						DemandTraits::$col[0],
						$withdrawal->id,
						StatementTraits::$type[1]
					);
					//提现手续费流水
					$service->create(
						bcmul($cutPrice, -1, 6),
						StatementType::WITHDRAWAL_CAT,
						Admin::user()->id,
						DemandTraits::$col[0],
						$withdrawal->id,
						StatementTraits::$type[1]
					);

					$form->withdrawal_id = $withdrawal->id;
					$form->deleteInput('price');
					DB::commit();
				} catch (\Exception $e) {
					DB::rollBack();
					return $form->response()->error($e->getMessage());
				}
			});

			$form->saved(function (Form $form) {
				$withdrawal = Withdrawal::find($form->withdrawal_id);
				$withdrawal->pay_id = $form->getKey();
				$withdrawal->save();
			});
		});
	}
}