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@@ -1,6 +1,14 @@
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<?php
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<?php
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+namespace crmeb\services\async;
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+use app\admin\model\user\User;
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+use app\admin\model\user\UserBill;
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+use app\models\store\StoreOrder;
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use app\models\store\StoreOrderCartInfo;
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use app\models\store\StoreOrderCartInfo;
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+use app\models\system\SystemAwardHistory;
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+use app\models\user\UserNotice;
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+use crmeb\basic\BaseModel;
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+use think\facade\Log;
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abstract class ActivityCalc {
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abstract class ActivityCalc {
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protected $ctx = [];
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protected $ctx = [];
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@@ -13,7 +21,7 @@ abstract class ActivityCalc {
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* @param $cate_id
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* @param $cate_id
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* @return array
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* @return array
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*/
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*/
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- public static function getOrders($cate_id) {
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+ protected static function getOrders($cate_id) {
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$products = StoreOrderCartInfo::alias('ci')
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$products = StoreOrderCartInfo::alias('ci')
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->join('store_order o', 'o.id=ci.oid')
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->join('store_order o', 'o.id=ci.oid')
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->join('store_product p', 'ci.product_id=p.id')
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->join('store_product p', 'ci.product_id=p.id')
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@@ -23,13 +31,193 @@ abstract class ActivityCalc {
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->where('o.refund_status', 0)
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->where('o.refund_status', 0)
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->where('o.is_del', 0)
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->where('o.is_del', 0)
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->where('o.is_system_del', 0)
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->where('o.is_system_del', 0)
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- ->where('p.cart_id', $cate_id)
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+ ->where('p.cate_id', $cate_id)
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->where('ci.activity', '')
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->where('ci.activity', '')
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->field('o.id, o.pay_price, ci.product_id, ci.cart_info, u.uid, u.now_money, p.store_name')->select();
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->field('o.id, o.pay_price, ci.product_id, ci.cart_info, u.uid, u.now_money, p.store_name')->select();
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$products = $products ? $products->toArray() : [];
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$products = $products ? $products->toArray() : [];
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return $products;
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return $products;
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}
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}
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- abstract public function getId();
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- abstract public function getName();
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+ public function calc() {
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+ $cate_id = $this->getId();
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+ $products = self::getOrders($cate_id);
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+ if (count($products) <= 1) {
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+ Log::warning('not enough order, stop activity:' . $this->getNameCN());
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+ return;
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+ }
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+
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+ // 按商品处理订单
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+ $counter = 0;
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+ $left = [];
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+ $right = [];
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+ $left_spent = 0;
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+ $right_spent = 0;
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+ $left_cost = 0;
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+ $right_cost = 0;
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+
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+ shuffle($products);
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+ shuffle($products);
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+
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+ // 标记有多件商品的订单, 再次统计到属于某个订单的商品时, 订单会重复
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+ $orders = [];
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+ foreach($products as &$p) {
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+ $counter += 1;
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+
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+ $ci = json_decode($p['cart_info'], true);
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+ $num = $ci['cart_num']; // 购买个数
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+ $productInfo = isset($ci['productInfo']) ? $ci['productInfo'] : [];
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+ $attrInfo = isset($productInfo['attrInfo']) ? $productInfo['attrInfo'] : [];
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+ // 价格, 成本
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+ $price = isset($attrInfo['price']) ? $attrInfo['price'] : 0.0;
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+ $cost = isset($attrInfo['cost']) ? $attrInfo['cost'] : 0.0;
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+ // 付款总额, 总成本
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+ $ppaid = bcmul($num, $price, 2);// product paid
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+ $pcost = bcmul($num, $cost, 2);
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+ // orderId
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+ $oid = $p['id'];
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+ $p['paid'] = $ppaid;
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+ $p['cost'] = $pcost;
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+
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+ if (!isset($orders[$oid])) {
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+ $orders[$oid] = 1;
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+ } else {
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+ $orders[$oid] += 1;
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+ }
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+
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+ if ($ppaid <= 1.0) {
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+ Log::warning("impossible price, order: ". $p['id']);
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+ continue;
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+ }
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+ if ($pcost <= 0.1) {
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+ Log::warning("impossible cost, order: ". $p['id']);
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+ continue;
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+ }
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+
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+ // 按一个规则, 把商品分为两份, 其中一份中奖
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+ if ($this->leaningJudge($counter, $p, $attrInfo)) {
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+ $left[] = $p;
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+ $left_spent = bcadd($left_spent, $ppaid, 2);
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+ $left_cost = bcadd($left_cost, $pcost, 2);
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+ } else {
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+ $right[] = $p;
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+ $right_spent = bcadd($right_spent, $ppaid, 2);
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+ $right_cost = bcadd($right_cost, $pcost, 2);
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+ }
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+ } // foreach
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+
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+ // 利润
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+ $left_profit = bcsub($left_spent, $left_cost, 2);
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+ $right_profit = bcsub($right_spent, $right_cost, 2);
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+ // 定输赢
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+ $diff_money = bcsub($left_spent, $right_spent, 2);
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+ if ($diff_money < 0.0) {
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+ $diff_money = -$diff_money;
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+ }
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+ $profit = $left_profit;
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+ $winners = $left;
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+ $losers = $right;
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+ if ($left_profit > $right_profit) {
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+ $winners = $right;
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+ $losers = $left;
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+ }
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+
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+ $result = $this->getResult($winners == $left);
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+ // 保存开奖结果
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+ SystemAwardHistory::create([
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+ 'activity' => $this->getName(),
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+ 'result' => $result,
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+ 'ts' => time(),
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+ 'order_num' => count($left) + count($right),
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+ 'winner_num' => count($winners),
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+ 'total_paid' => $left_spent + $right_spent,
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+ 'diff_paid' => $diff_money,
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+ 'profit' => $profit,
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+ 'rate' => $this->repRate(),
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+ ]);
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+
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+ // 结果处置
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+ foreach($winners as $p) {
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+ $single = $orders[$p['id']] == 1;
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+ $this->execute($p, $single, true);
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+ }
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+ foreach($losers as $p) {
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+ $single = $orders[$p['id']] == 1;
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+ $this->execute($p, $single, false);
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+ }
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+
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+ Log::warning('activity ' . $this->getNameCN() . ' calc finished. result:');
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+ }
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+
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+ protected function execute($product, $single=true, $win=true) {
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+ BaseModel::beginTrans();
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+ $result = 0;
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+ $reparation = 0.0;
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+ if ($win) {
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+ $result = 1;
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+ $reparation = bcmul(bcsub($product['paid'], $product['cost'], 2), $this->repRate(), 2);
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+ }
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+ // 标记商品为已参与活动
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+ $r1 = StoreOrderCartInfo::where('oid', $product['id'])
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+ ->where('product_id', $product['product_id'])
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+ ->update([
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+ 'activity' => $this->getName(),
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+ 'result' => $result,
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+ 'reparation' => $reparation,
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+ ]);
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+
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+ if (!$win) {
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+ BaseModel::checkTrans($r1);
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+ return;
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+ }
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+
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+ $refund_price = bcadd($product['paid'], $reparation, 2);
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+ // 订单全部商品都中奖的退单
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+ $r2 = true;
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+ if ($single) {
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+ $r2 = StoreOrder::where('id', $product['id'])->update([
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+ 'refund_price' => $refund_price,
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+ 'refund_status' => 2,
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+ ]);
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+ }
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+ // 中奖的 退款并赔款返回到佣金
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+ $r3 = UserBill::income('活动' . $this->getNameCN(), $product['uid'], 'now_money', 'brokerage',
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+ $refund_price, $product['id'], bcadd($product['now_money'], $refund_price, 2),
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+ '订单退款' . $product['paid'] . '+' . $reparation . '元');
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+ $r4 = User::bcInc($product['uid'], 'brokerage_price', $refund_price, 'uid');
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+
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+ $ok = $r1 && $r2 && $r3 && $r4;
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+ BaseModel::checkTrans($ok);
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+
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+ if ($ok) {
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+ // 中奖用户发送中奖消息.
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+ UserNotice::sendNoticeTo($product['uid'], '您的订单已退款',
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+ '您好,由于活动商品库存有限,您的订单 ' . $product['store_name']
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+ . ' 未能成功分配. 该商品付款' . $product['paid'] . '元已如数退还, 并赔付您' . $reparation
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+ . '元作为补偿, 对您造成的不便我们深感抱歉. 同时感谢您对美天旺的喜爱和信任, 美天旺活动场永远等您. 顺祝生活愉快.');
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+ }
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+ }
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+
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+ // 活动所属的 $categoryId
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+ abstract protected function getId();
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+
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+ // 活动英文名, 长度 <8
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+ abstract protected function getName();
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+
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+ // 活动中文名
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+ abstract protected function getNameCN();
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+
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+ // 赔款所占商品利润的百分比
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+ abstract protected function repRate();
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+
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+ // 获得开奖结果 int
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+ abstract protected function getResult($leftwin=true);
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+ /**
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+ * 根据此函数返回值来划分 getOrders() 返回的订单为两份, 其中一份中奖, 当本函数返回 true, $product 加入"左边"
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+ *
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+ * @param $index: $product 所在序号, 从 1 开始
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+ * @param $product: getOrders() 返回列表中的单个元素
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+ * @param $attr: 商品属性
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+ * @return boolean true 加入左边
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+ */
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+ abstract protected function leaningJudge($index, $product, $attr);
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}
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}
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