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@@ -156,7 +156,161 @@ class DiscountService
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return array_values($processedData);
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}
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+ /**
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+ * 新出一个方法 通过传入商品id 数组 查询 shop_activity 表中的 goods_ids 来查询是否有在进行中的 活动
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+ * @param mixed $goodsIds
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+ * @return mixed|string|null
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+ */
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+ public static function getActivityByGoodsIds($goodsIds = [])
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+ {
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+ if (empty($goodsIds)) {
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+ return null;
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+ }
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+
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+ // 获取所有进行中的活动
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+ $activities = Db::table('shop_activity')
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+ ->where('start_time', '<=', time())
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+ ->where('end_time', '>=', time())
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+ ->where('activity_status', ActivityEnum::ACTIVITY_STATUS_ONGOING)
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+ ->select();
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+
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+ // 在PHP中过滤匹配的活动
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+ foreach ($activities as $activity) {
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+ if (empty($activity['goods_ids'])) {
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+ continue;
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+ }
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+
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+ // 解析JSON数组
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+ $activityGoodsIds = json_decode($activity['goods_ids'], true);
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+ if (!is_array($activityGoodsIds)) {
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+ continue;
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+ }
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+
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+ // 检查是否有商品ID匹配
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+ $intersection = array_intersect($goodsIds, $activityGoodsIds);
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+ if (!empty($intersection)) {
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+ return $activity;
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+ }
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+ }
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+
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+ return null;
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+ }
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+
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+ /**
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+ * 获取商品ID与活动的映射关系
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+ * @param array $goodsIds 商品ID数组
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+ * @return array 返回商品ID与活动信息的映射关系
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+ */
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+ public static function getGoodsActivityMapping($goodsIds = [])
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+ {
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+ if (empty($goodsIds)) {
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+ return [];
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+ }
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+
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+ // 获取所有进行中的活动
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+ $activities = Db::table('shop_activity')
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+ ->where('start_time', '<=', time())
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+ ->where('end_time', '>=', time())
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+ ->where('activity_status', ActivityEnum::ACTIVITY_STATUS_ONGOING)
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+ ->select();
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+
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+ $goodsActivityMapping = [];
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+
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+ // 为每个商品ID初始化空的活动信息
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+ foreach ($goodsIds as $goodsId) {
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+ $goodsActivityMapping[$goodsId] = null;
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+ }
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+
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+ // 在PHP中匹配商品与活动
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+ foreach ($activities as $activity) {
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+ if (empty($activity['goods_ids'])) {
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+ continue;
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+ }
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+
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+ // 解析JSON数组
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+ $activityGoodsIds = json_decode($activity['goods_ids'], true);
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+ if (!is_array($activityGoodsIds)) {
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+ continue;
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+ }
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+
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+ // 为匹配的商品ID设置活动信息
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+ foreach ($activityGoodsIds as $activityGoodsId) {
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+ if (in_array($activityGoodsId, $goodsIds)) {
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+ $goodsActivityMapping[$activityGoodsId] = $activity;
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+ }
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+ }
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+ }
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+
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+ return $goodsActivityMapping;
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+ }
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+ /**
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+ * 查询单个商品是否参与正在进行的活动
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+ * @param int $goodsId 商品ID
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+ * @return array|null 返回活动信息，如果没有参与活动则返回null
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+ *
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+ * 使用示例：
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+ * $goodsId = 47;
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+ * $activity = DiscountService::getGoodsActivity($goodsId);
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+ * if ($activity) {
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+ * echo "商品参与活动：" . $activity['activity_name'];
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+ * echo "活动ID：" . $activity['id'];
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+ * echo "活动类型：" . $activity['activity_type'];
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+ * } else {
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+ * echo "商品未参与任何活动";
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+ * }
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+ */
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+ public static function getGoodsActivity($goodsId)
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+ {
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+ if (empty($goodsId)) {
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+ return null;
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+ }
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+
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+ // 获取所有进行中的活动
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+ $activities = Db::table('shop_activity')
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+ ->where('start_time', '<=', time())
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+ ->where('end_time', '>=', time())
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+ ->where('activity_status', ActivityEnum::ACTIVITY_STATUS_ONGOING)
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+ ->select();
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+
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+ // 在PHP中查找匹配的活动
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+ foreach ($activities as $activity) {
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+ if (empty($activity['goods_ids'])) {
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+ continue;
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+ }
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+
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+ // 解析JSON数组
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+ $activityGoodsIds = json_decode($activity['goods_ids'], true);
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+ if (!is_array($activityGoodsIds)) {
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+ continue;
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+ }
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+
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+ // 检查商品ID是否在活动的商品列表中
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+ if (in_array($goodsId, $activityGoodsIds)) {
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+ return $activity;
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+ }
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+ }
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+
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+ return null;
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+ }
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+
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+ /**
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+ * 检查单个商品是否参与正在进行的活动（简化版本，只返回true/false）
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+ * @param int $goodsId 商品ID
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+ * @return bool 是否参与活动
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+ *
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+ * 使用示例：
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+ * $goodsId = 47;
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+ * if (DiscountService::hasActivity($goodsId)) {
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+ * echo "商品正在参与活动";
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+ * } else {
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+ * echo "商品未参与活动";
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+ * }
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+ */
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+ public static function hasActivity($goodsId)
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+ {
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+ return self::getGoodsActivity($goodsId) !== null;
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+ }
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/**
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* 查询单个商品的折扣信息和对应的SKU折扣信息
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@@ -382,7 +536,7 @@ class DiscountService
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if ($goodsItem['spec_type'] == 0) {
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$goodsItem['discount_price'] = $goodsItem['min_discount_price'];
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$goodsItem['discount'] = $goodsItem['min_discount'];
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- $goodsItem['discount_amount'] = round($goodsItem['original_price'] - $goodsItem['discount_price'], 2);
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+ $goodsItem['discount_amount'] = max(0, round($goodsItem['original_price'] - $goodsItem['discount_price'], 2));
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$goodsItem['price_range'] = '¥' . $goodsItem['discount_price'];
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}
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// 多规格商品处理
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super-yimizi