120 lines
3.4 KiB
PHP
120 lines
3.4 KiB
PHP
<?php
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namespace App\Admin\Forms;
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use App\Exceptions\BizException;
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use App\Models\DrawActivityPrize;
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use Dcat\Admin\Contracts\LazyRenderable;
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use Dcat\Admin\Traits\LazyWidget;
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use Dcat\Admin\Widgets\Form;
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use Illuminate\Database\QueryException;
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class DrawActivityPrizeStockChange extends Form implements LazyRenderable
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{
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use LazyWidget;
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public const TYPE_ADD = 1;
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public const TYPE_SUB = 2;
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/**
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* @param Model|Authenticatable|HasPermissions|null $user
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*
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* @return bool
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*/
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protected function authorize($user): bool
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{
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return $user->can('dcat.admin.draw_activities.prize_stock');
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}
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/**
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* Handle the form request.
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*
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* @param array $input
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*
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* @return mixed
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*/
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public function handle(array $input)
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{
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$drawActivityPrize = DrawActivityPrize::findOrFail($this->payload['id']);
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if ($drawActivityPrize->activity->isClosed()) {
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throw new BizException('活动已结束');
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}
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$limited = (bool) $input['limited'];
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try {
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if ($limited) {
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$stock = (int) $input['stock'];
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// 如果限量
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if ($drawActivityPrize->limited) {
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if ($stock === 0) {
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throw new BizException('库存不能为0');
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}
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$drawActivityPrize->increment('stock', $stock);
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} else {
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$drawActivityPrize->update([
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'limited' => $limited,
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'stock' => $stock,
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]);
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}
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} else {
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$drawActivityPrize->update([
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'limited' => $limited,
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'stock' => 0,
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]);
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}
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} catch (QueryException $e) {
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if (strpos($e->getMessage(), 'Numeric value out of range') !== false) {
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$e = new BizException('奖品库存不足');
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}
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throw $e;
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}
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return $this->response()
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->success(__('admin.update_succeeded'))
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->refresh();
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}
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/**
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* Build a form here.
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*/
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public function form()
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{
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$drawActivityPrize = DrawActivityPrize::findOrFail($this->payload['id']);
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$this->radio('limited', '是否限量')
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->options([
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0 => '否',
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1 => '是',
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])
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->when(1, function () use ($drawActivityPrize) {
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if ($drawActivityPrize->limited) {
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$this->number('stock', '库存')
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->rules(['required_if:limited,1', 'int'], ['required_if' => '不能为空'])
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->help('库存大于0时，增加库存；小于0，减少库存')
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->setLabelClass(['asterisk']);
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} else {
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$this->number('stock', '初始库存')
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->min(0)
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->rules(['required_if:limited,1', 'int', 'min:0'], ['required_if' => '不能为空'])
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->setLabelClass(['asterisk']);
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}
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})
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->value($drawActivityPrize->limited)
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->customFormat(function ($v) {
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return $v ? 1 : 0;
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})
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->setLabelClass(['asterisk']);
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}
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public function default()
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{
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return [
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];
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}
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}
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