46 lines
1.7 KiB
PHP
46 lines
1.7 KiB
PHP
<?php
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namespace App\Traits\Controllers;
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use App\Http\Requests\Bo\ChangeOrderRequest;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Http\RedirectResponse;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Session;
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trait ChangesModelOrder
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{
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/**
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* Change order
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*
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* ! requires x64 server + order column as unique integer
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*
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* @param \App\Http\Requests\Bo\ChangeOrderRequest $request
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* @param \Illuminate\Database\Eloquent\Model $model
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* @return \Illuminate\Http\RedirectResponse
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* @throws \RuntimeException Si le nom du parametre de la route ne correspond pas au model utilisé.
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*/
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public function changeOrder(ChangeOrderRequest $request, Model $model): RedirectResponse
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{
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return DB::transaction(function () use ($request, $model) {
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/** @var \Illuminate\Database\Eloquent\Model|null */
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$tmp = (\get_class($model))::where('order', $request->direction ? '<' : '>', $model->order)
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->orderBy('order', $request->direction ? 'DESC' : 'ASC')->first();
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if (!$tmp) {
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return back()->with('bo.error', trans('L\'ordre n\'a pas pu être modifié'));
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}
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$oldOrder = $model->order;
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$newOrder = $tmp->order;
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// ! Fake value to prevent unique SQL key to trigger.
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$tmp->order = 4294967295;
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$tmp->saveOrFail();
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$model->order = $newOrder;
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$model->saveOrFail();
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$tmp->order = $oldOrder;
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$tmp->saveOrFail();
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Session::flash('bo.success', trans('L\'ordre a été modifié'));
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return back();
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});
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}
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}
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