neiyou_user_web/app/Http/Controllers/Admin/ShopController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Goods;
use App\Models\Level;
use DB;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Log;
use Redirect;
use Response;
use Session;
use Validator;

/**
 * 商店控制器
 *
 * Class ShopController
 *
 * @package App\Http\Controllers\Controller
 */
class ShopController extends Controller
{

    // 商品列表
    public function index(Request $request)
    {
        $type   = $request->input('type');
        $status = $request->input('status');

        $query = Goods::query();

        if (isset($type)) {
            $query->whereType($type);
        }

        if (isset($status)) {
            $query->whereStatus($status);
        }

        $view['goodsList'] = $query->orderByDesc('status')
                                   ->paginate(10)
                                   ->appends($request->except('page'));

        return view('admin.shop.index', $view);
    }

    // 添加商品页面
    public function create()
    {
        $view['goods']     = null;
        $view['levelList'] = Level::orderBy('level')->get();

        return view('admin.shop.info', $view);
    }

    // 添加商品
    public function store(Request $request): RedirectResponse
    {
        $validator = Validator::make(
            $request->all(),
            [
                'name'    => 'required',
                'traffic' => 'required|integer|min:1|max:10240000|nullable',
                'price'   => 'required|numeric|min:0',
                'type'    => 'required',
                'renew'   => 'required_unless:type,2|min:0',
                'days'    => 'required|integer',
            ],
            [
                'traffic.min' => '内含流量不能低于1MB',
                'traffic.max' => '内含流量不能超过10TB',
            ]
        );

        if ($validator->fails()) {
            return Redirect::back()->withInput()->withErrors(
                $validator->errors()
            );
        }

        // 商品LOGO
        $logo = null;
        if ($request->hasFile('logo')) {
            $logo = $this->uploadFile($request->file('logo'));

            if ( ! $logo) {
                return Redirect::back()->withInput()->withErrors('LOGO不合法');
            }
        }

        try {
            DB::beginTransaction();

            $obj              = new Goods();
            $obj->name        = $request->input('name');
            $obj->logo        = $logo ?: null;
            $obj->traffic     = $request->input('traffic');
            $obj->type        = $request->input('type');
            $obj->price       = round($request->input('price'), 2);
            $obj->level       = $request->input('level');
            $obj->renew       = round($request->input('renew'), 2);
            $obj->period      = $request->input('period');
            $obj->info        = $request->input('info');
            $obj->description = $request->input('description');
            $obj->days        = $request->input('days');
            $obj->invite_num  = $request->input('invite_num');
            $obj->limit_num   = $request->input('limit_num');
            $obj->color       = $request->input('color');
            $obj->sort        = $request->input('sort');
            $obj->is_hot      = $request->input('is_hot') ? 1 : 0;
            $obj->status      = $request->input('status') ? 1 : 0;
            $obj->save();

            DB::commit();

            return Redirect::back()->with('successMsg', '添加成功');
        } catch (Exception $e) {
            DB::rollBack();
            Log::error('添加商品信息异常：' . $e->getMessage());

            return Redirect::back()->withInput()->withErrors('添加失败');
        }
    }

    // 编辑商品页面
    public function edit($id)
    {
        $view['goods']     = Goods::find($id);
        $view['levelList'] = Level::orderBy('level')->get();

        return view('admin.shop.info', $view);
    }

    // 编辑商品
    public function update(Request $request, $id)
    {
        $goods = Goods::find($id);
        if ( ! $goods) {
            Session::flash('errorMsg', '商品不存在');

            return Redirect::back();
        }

        // 商品LOGO
        if ($request->hasFile('logo')) {
            $logo = $this->uploadFile($request->file('logo'));

            if ( ! $logo) {
                Session::flash('errorMsg', 'LOGO不合法');

                return Redirect::back()->withInput();
            }
            Goods::whereId($id)->update(['logo' => $logo]);
        }

        try {
            DB::beginTransaction();

            $data = [
                'name'        => $request->input('name'),
                'price'       => round($request->input('price'), 2) * 100,
                'level'       => $request->input('level'),
                'renew'       => round($request->input('renew'), 2) * 100,
                'period'      => $request->input('period'),
                'info'        => $request->input('info'),
                'description' => $request->input('description'),
                'invite_num'  => $request->input('invite_num'),
                'limit_num'   => $request->input('limit_num'),
                'color'       => $request->input('color'),
                'sort'        => $request->input('sort'),
                'is_hot'      => $request->input('is_hot') ? 1 : 0,
                'status'      => $request->input('status') ? 1 : 0,
            ];

            Goods::whereId($id)->update($data);

            Session::flash('successMsg', '编辑成功');

            DB::commit();
        } catch (Exception $e) {
            Session::flash('errorMsg', '编辑失败');

            DB::rollBack();
        }

        return Redirect::back();
    }

    // 删除商品
    public function destroy($id): JsonResponse
    {
        try {
            Goods::find($id)->delete();
        } catch (Exception $e) {
            Session::flash('errorMsg', '编辑失败' . $e);
        }

        return Response::json(['status' => 'success', 'message' => '删除成功']);
    }

}