初始化项目：添加后端代码、ThinkPHP框架、前端资源
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<?php
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namespace app\admin\controller\live;
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use app\common\controller\Backend;
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use think\Db;
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use think\exception\ValidateException;
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use PDOException;
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use Exception;
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/**
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* 直播挂载商品
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*
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* @icon fa fa-circle-o
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*/
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class Goods extends Backend
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{
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/**
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* Goods模型对象
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* @var \app\admin\model\live\Goods
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*/
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protected $model = null;
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public function _initialize()
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{
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parent::_initialize();
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$this->model = new \app\admin\model\live\Goods;
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$this->view->assign("statusList", $this->model->getStatusList());
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}
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/**
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* 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
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* 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
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* 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
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*/
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/**
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* 查看
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*/
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public function index()
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{
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//当前是否为关联查询
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$this->relationSearch = true;
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//设置过滤方法
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$this->request->filter(['strip_tags', 'trim']);
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//如果发送的来源是Selectpage，则转发到Selectpage
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if ($this->request->request('keyField')) {
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return $this->selectpage();
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}
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list($where, $sort, $order, $offset, $limit) = $this->buildparams();
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$list = $this->model
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->where($where)
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->order('explaining DESC, id ASC')
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->paginate($limit);
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$selectGoodsIds = [];
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foreach ($list as &$row) {
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$row->visible(['id','description','status','explaining','sellout','views','sales','createtime','goods']);
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$goodsQuery = \app\common\model\goods\Handle::getGoodsQuery();
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$row->setAttr('goods', $goodsQuery->where('id', $row->goods_id)->where('type', $row->goods_type)->find());
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$selectGoodsIds[] = $row->goods_id."_".$row->goods_type;
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}
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$result = array("total" => $list->total(), "rows" => $list->items(),'select_goods_ids'=>$selectGoodsIds,'attr'=>[
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'status'=>$this->model->getStatusList(),
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'explaining'=>$this->model->getExplainingList(),
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'sellout'=>$this->model->getSelloutList()
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]);
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return $this->success("获取成功",$result);
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}
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/**
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* 添加
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*
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* @return string
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* @throws \think\Exception
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*/
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public function add()
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{
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if (false === $this->request->isPost()) {
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return $this->view->fetch();
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}
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$params = $this->request->post('row/a');
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if (empty($params)) {
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$this->error(__('Parameter %s can not be empty', ''));
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}
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$params = $this->preExcludeFields($params);
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if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
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$params[$this->dataLimitField] = $this->auth->id;
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}
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$params['uniacid'] = UNIACID;
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$goods = $params['goods'];
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$data = [];
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if(!$goods){
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$this->error('请先选择商品');
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}
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foreach ($goods as $item){
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$isRepeat = $this->model->where([
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'goods_id'=>$item['id'],
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'goods_type'=>$item['type'],
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'live_id'=>$params['live_id']
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])->field('id')->find();
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if(!$isRepeat){
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//先判断有没有提交过
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$data[] = [
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'goods_id'=>$item['id'],
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'goods_type'=>$item['type'],
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'uniacid' => UNIACID,
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'createtime'=>time(),
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'live_id'=>$params['live_id']
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];
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}
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}
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if(!$data){
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$this->error('未添加任何商品，请确认是否已经添加过了');
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}
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$result = false;
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Db::startTrans();
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try {
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//是否采用模型验证
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if ($this->modelValidate) {
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$name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
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$validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
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$this->model->validateFailException()->validate($validate);
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}
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$result = $this->model->allowField(true)->insertAll($data);
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Db::commit();
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} catch (ValidateException|PDOException|Exception $e) {
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Db::rollback();
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$this->error($e->getMessage());
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}
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if ($result === false) {
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$this->error(__('No rows were inserted'));
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}
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$this->success("提交成功");
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}
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/**
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* 切换状态
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* @param $ids
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* @param $status
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* @return void
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*/
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public function control($ids=null,$type=1,$val=1){
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if (false === $this->request->isPost()) {
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$this->error(__("Invalid parameters"));
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}
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$ids = $ids ?: $this->request->post("ids");
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if (empty($ids)) {
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$this->error(__('Parameter %s can not be empty', 'ids'));
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}
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$type = $type ?: $this->request->post("type");
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$val = $val ?: $this->request->post("val");
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$live_id = $this->request->post("live_id");
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$pk = $this->model->getPk();
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$adminIds = $this->getDataLimitAdminIds();
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if (is_array($adminIds)) {
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$this->model->where($this->dataLimitField, 'in', $adminIds);
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}
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//讲解中只能设置一个
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if($type == 'explaining'){
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$this->model->where('live_id', $live_id)->update([
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'explaining'=>0
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]);
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if($val == 1){
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$this->model->where('id', $ids[0])->update([
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'explaining'=>1
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]);
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}
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}
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$list = $this->model->where($pk, 'in', $ids)->select();
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$count = 0;
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Db::startTrans();
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try {
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foreach ($list as $item) {
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$row = [
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$type=>$val
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];
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$this->model->where([
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'id'=>$item['id']
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])->update($row);
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$count++;
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}
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Db::commit();
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} catch (PDOException|Exception $e) {
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Db::rollback();
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$this->error($e->getMessage());
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}
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if ($count) {
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if($type == 'explaining'){
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$this->pushExplainingGoods($live_id);
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}
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$this->success("操作成功");
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}
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$this->error(__('未操作任何数据'));
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}
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/**
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* 推送讲解商品变更。
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* @param int $liveId
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* @return void
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*/
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protected function pushExplainingGoods($liveId)
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{
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if(!$liveId){
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return;
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}
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$room = \app\common\model\live\Room::where(['course_id'=>$liveId])->field('message_topic')->find();
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if(!$room || empty($room['message_topic'])){
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return;
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}
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$data = $this->getExplainingGoodsData($liveId);
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$message = json_encode([
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'user_id'=>0,
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'nickname'=>'管理员',
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'avatar'=>letter_avatar('管'),
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'type'=>'goods_explaining',
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'message'=>'讲解商品已更新',
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'data'=>$data,
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'time'=>time()
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], JSON_UNESCAPED_UNICODE);
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// 服务商统一从全局配置读取，历史直播间也随全局切换生效
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$provider = \app\common\library\live\message\Manager::getGlobalProviderName();
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\app\common\library\live\Message::sendByProvider($provider, $room['message_topic'], $message, 10099, 'system');
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}
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/**
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* 获取讲解商品数据。
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* @param int $liveId
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* @return array|null
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*/
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protected function getExplainingGoodsData($liveId)
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{
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$data = $this->model
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->where([
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'live_id'=>$liveId,
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'explaining'=>1
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])
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->normal()
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->field(['id','description','status','explaining','sellout','createtime','goods_id','goods_type'])
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->find();
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if(!$data){
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return null;
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}
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$goodsQuery = \app\common\model\goods\Handle::getGoodsQuery();
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$goods = $goodsQuery->where('id',$data['goods_id'])
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->where('type',$data['goods_type'])
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->where('status',1)
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->where('hide',0)
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->where('sales_type','like','%alone%')
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->find();
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if(!$goods){
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return null;
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}
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$data = $data->toArray();
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$data['goods'] = $goods;
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return $data;
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}
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}
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