道具商城，关系卡

application/api/controller/Relation.php

@@ -241,4 +241,89 @@ class Relation extends Api
 
 
     }
+
+
+    ///////////////////////////关系卡///////////////////////
+
+    //关系卡列表
+    public function product_list(){
+        $list = Db::name('decorate_relation')->select();
+        $list = list_domain_image($list,['base_image']);
+
+        $relation = Db::name('relation')->where('is_show',1)->order('weigh desc')->column('name');
+        $relation = implode(',',$relation);
+
+        $result = [
+            'list' => $list,
+            'relation' => $relation
+        ];
+
+        $this->success(1,$result);
+    }
+
+    /**
+     * 购买并加入我的背包
+     */
+    public function buy_one() {
+        $number = input_post('number',1); //数量
+        $did = input_post('did',''); //装扮ID
+        if (!$did) {
+            $this->error();
+        }
+        // 判断用户金币余额是否充足
+        $walletinfo = model('wallet')->getWallet($this->auth->id);
+
+        // 获取购买装扮需要的价格
+        $decorate = Db::name('decorate_relation')->where(['id'=>$did])->find();
+        if(!$decorate) {
+            $this->error("道具信息获取失败！");
+        }
+        if($walletinfo['gold'] < $decorate['price']) {
+            $this->error("您的金币不足，请先充值！");
+        }
+        // 进行购买逻辑
+        Db::startTrans();
+
+        // 添加到背包
+        $map = [
+            'user_id' => $this->auth->id,
+            'decorate_id' => $decorate['id'],
+        ];
+
+        $find = Db::name('user_decorate_relation')->where($map)->lock(true)->find();
+
+        if($find){
+            $update = [
+                'number'     => $find['number'] + $number,
+                'updatetime' => time(),
+            ];
+
+            $update_rs = Db::name('user_decorate_relation')->where($map)->update($update);
+            if($update_rs === false){
+                Db::rollback();
+                $this->error('购买失败');
+            }
+            $log_id = $find['id'];
+        }else{
+            $map['number'] = 1;
+            $map['createtime'] = time();
+            $map['updatetime'] = time();
+            $log_id = Db::name('user_decorate_relation')->insertGetId($map);
+            if(!$log_id){
+                Db::rollback();
+                $this->error('购买失败');
+            }
+        }
+
+        //扣钱
+        $rs = model('wallet')->lockChangeAccountRemain($this->auth->id,'gold',-$decorate['price'],31,'购买关系卡','user_decorate_relation',$log_id);
+        if($rs['status'] === false){
+            Db::rollback();
+            $this->error($rs['msg']);
+        }
+
+
+        Db::commit();
+        $this->success("购买成功！");
+    }
 }