laravel_sketch/app/Modules/Mini/Services/OrderService.php

<?php

namespace App\Modules\Mini\Services;

use App\Base\BaseService;
use App\Base\Utils;
use App\Events\OrderCreateEvent;
use App\Models\Cart;
use App\Models\Goods\Goods;
use App\Models\Goods\GoodsCustom;
use App\Models\Order\Order;
use App\Models\Order\OrderGoods;
use App\Models\User\User;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;

class OrderService extends BaseService
{
    /**
     * 询价单个商品
     */
    public function askOne(User $user, $params)
    {
        /** @var Order $order */
        $order = DB::transaction(function () use ($user, $params) {
            $order = new Order();
            $order->user_id = $user->id;
            $order->source = $params['source'];
            $order->save();
            $goods = Goods::findOrFail($params['id']);
            $og = new OrderGoods();
            $og->order_id = $order->id;
            $og->goods_id = $params['id'];
            $og->sku_id = 0;
            $og->count = $params['count'] ?? 1;
            $og->sn = $goods->sn;
            $og->custom = $params['custom'];
            if ($skuCustom = Arr::get($params, "sku_custom")) {
                $og->sn = $og->sn . "-" . implode("-", Arr::pluck($skuCustom, "spec_attr_custom"));
            }
            $og->save();

            return $order;
        });

        OrderCreateEvent::dispatch($order);
        return [
            "id" => $order->id,
        ];
    }

    public function askByCart(User $user, $params)
    {
        /** @var Order $order */
        $order = DB::transaction(function () use ($user, $params) {
            $order = new Order();
            $order->user_id = $user->id;
            $order->source = $params['source'];
            $order->save();
            foreach ($params['ids'] as $param) {
                $cart = Cart::where("user_id", $user->id)->where("id", $param['id'])->first();
                if (is_null($cart)) {
                    continue;
                }
                $og = new OrderGoods();
                $og->order_id = $order->id;
                $og->goods_id = $cart->goods_id;
                $og->sku_id = 0;
                $og->count = $cart->count;
                $og->custom = $cart->custom;
                $og->save();
            }

            return $order;
        });

        OrderCreateEvent::dispatch($order);

        return [
            "id" => $order->id,
        ];
    }

    public function paginate($uid, $params)
    {
        $p = Order::where("user_id", $uid)->orderByDesc("id")->paginate($params['page_size']);

        return [
            "total" => $p->total(),
            "page_total" => $p->lastPage(),
            "list" => array_map(function (Order $model) {
                /** @var OrderGoods $firstGoods */
                $firstGoods = $model->goods->first();
                return [
                    "id" => $model->id,
                    "no" => $model->goods->pluck("sn")->implode("\sn"),
                    "goods_name" => $firstGoods->goods->name,
                    "goods_sn" => $firstGoods->sn,
                    "user_id" => Utils::idNo4($model->user_id),
                    "thumb" => $firstGoods->goods->thumb,
                    "email" => $model->user->email,
                    "created_at" => $model->created_at->format("Y-m-d H:i:s"),
                    "goods" => $model->goods->map(function (OrderGoods $goods) {
                        return [
                            "goods_id" => $goods->id,
                            "goods_name" => $goods->goods->name,
                            "goods_en_name" => $goods->goods->en_name,
                            "goods_thumb" => $goods->goods->thumb,
                            "goods_sn" => $goods->sn,
                            "goods_count" => $goods->count,
                            "custom" => array_map(function ($custom) {
                                $custom = GoodsCustom::where("id", $custom['custom_id'])->first();
                                return [
                                    "custom_id" => $custom['custom_id'],
                                    "title" => $custom->title,
                                    "en_title" => $custom->en_title,
                                    "value" => $custom['value'] ?? "",
                                ];
                            }, $goods->custom ?? []),
                        ];
                    }),
                    "phone" => $model->user->phone,
                    "name" => $model->user->name,
                    "source" => $model->source,
                ];
            }, $p->items()),
        ];
    }

}