105 lines
3.3 KiB
PHP
105 lines
3.3 KiB
PHP
<?php
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namespace App\Admin\Forms;
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use App\Models\ProductGift;
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use App\Models\ProductSku;
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use Dcat\Admin\Contracts\LazyRenderable;
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use Dcat\Admin\Form\NestedForm;
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use Dcat\Admin\Traits\LazyWidget;
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use Dcat\Admin\Widgets\Form;
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use Illuminate\Support\Facades\DB;
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use Throwable;
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class SkuGift extends Form implements LazyRenderable
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{
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use LazyWidget;
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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.product_skus.sku_gift');
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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 $input)
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{
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$giftSkuIds = [];
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$giftSku = [];
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$delGiftIds = [];
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foreach ($input['gifts'] as $gift) {
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if ($gift['_remove_'] == 1) {
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$delGiftIds[] = $gift['id'];
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} else {
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if (is_null($gift['id'])) {
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$gift['remaining'] = $gift['limit'];//剩余数量；
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$giftSku[] = new ProductGift($gift);
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} else {
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$_gift = ProductGift::find($gift['id']);
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$_gift->gift_sku_id = $gift['gift_sku_id'];
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$_gift->num = $gift['num'];
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$_gift->limit = $gift['limit'];
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$_gift->remaining = $gift['limit'] > 0 ? ($gift['limit'] - $_gift->sent) : $gift['limit'];
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if ($_gift->remaining < 0) {
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return $this->response()->error('无法设置限制数量小于已发数量');
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}
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$giftSku[] = $_gift;
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}
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}
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}
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$skuId = $input['sku_id'];
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$sku = ProductSku::findOrFail($skuId);
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if ($sku->verify_state == 1 || !is_null($sku->release_at)) {//如果是审核中，或者上架中，则无法修改。
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return $this->response()->error('当前商品目前无法修改赠品');
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}
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try {
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DB::beginTransaction();
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$sku->gifts()->saveMany($giftSku);
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ProductGift::whereIn('id', $delGiftIds)->delete();
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DB::commit();
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} catch (Throwable $th) {
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DB::rollBack();
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report($th);
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return $this->response()->error('操作失败:'.$th->getMessage())->refresh();
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}
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return $this->response()
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->success(__('admin.update_succeeded'))
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->refresh();
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}
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/**
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* Build a form here.
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*/
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public function form()
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{
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$id = $this->payload['id'] ?? 0;
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$sku = ProductSku::with('gifts')->findOrFail($id);
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$this->hasMany('gifts', function (NestedForm $form) {
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$form->select('gift_sku_id')->options(function ($id) {
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$sku = ProductSku::find($id);
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if ($sku) {
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return [$sku->id => $sku->name];
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}
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})->ajax(admin_route('api.product_skus'))->required();
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$form->number('num')->min(1)->default(1);
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$form->number('limit')->min(0)->default(0);
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})->customFormat(function () use ($sku) {
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return $sku->gifts;
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});
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$this->hidden('sku_id')->value($id);
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}
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}
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