ActivityCache.php
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<?php
namespace addons\shopro\library\traits;
use addons\shopro\exception\Exception;
use addons\shopro\library\Redis;
use addons\shopro\model\ActivityGoodsSkuPrice;
use addons\shopro\model\Goods;
use addons\shopro\model\GoodsSkuPrice;
use addons\shopro\model\OrderItem;
use addons\shopro\model\ScoreGoodsSkuPrice;
/**
* 活动 redis 缓存
*/
trait ActivityCache
{
protected $zsetKey = 'zset-activity';
protected $hashPrefix = 'hash-activity:';
protected $hashGoodsPrefix = 'goods-';
protected $hashGrouponPrefix = 'groupon-';
public function hasRedis($is_interrupt = false) {
$error_msg = '';
try {
$redis = $this->getRedis();
// 检测连接是否正常
$redis->ping();
} catch (\BadFunctionCallException $e) {
// 缺少扩展
$error_msg = $e->getMessage() ? $e->getMessage() : "缺少 redis 扩展";
} catch (\RedisException $e) {
// 连接拒绝
\think\Log::write('redis connection redisException fail: ' . $e->getMessage());
$error_msg = $e->getMessage() ? $e->getMessage() : "redis 连接失败";
} catch (\Exception $e) {
// 异常
\think\Log::write('redis connection fail: ' . $e->getMessage());
$error_msg = $e->getMessage() ? $e->getMessage() : "redis 连接异常";
}
if ($error_msg) {
if ($is_interrupt) {
throw new \Exception($error_msg);
} else {
return false;
}
}
return true;
}
public function getRedis() {
if (!isset($GLOBALS['SPREDIS'])) {
$GLOBALS['SPREDIS'] = (new Redis())->getRedis();
}
return $GLOBALS['SPREDIS'];
}
// 将活动设置到缓存
public function setActivity($activity, $goodsList = []) {
$redis = $this->getRedis();
// hash 键值
$hashKey = $this->getHashKey($activity['id'], $activity['type']);
// 删除旧的可变数据,需要排除销量 key
if ($redis->EXISTS($hashKey)) {
// 如果 hashKey 存在,删除规格
$hashs = $redis->HGETALL($hashKey);
foreach ($hashs as $hashField => $hashValue) {
// 是商品规格,并且不是销量
if (strpos($hashField, $this->hashGoodsPrefix) !== false && strpos($hashField, '-sale') === false) {
// 商品规格信息,删掉
$redis->HDEL($hashKey, $hashField);
}
}
}
$redis->HMSET($hashKey, [
'id' => $activity['id'],
'title' => $activity['title'],
'type' => $activity['type'],
'richtext_id' => $activity['richtext_id'],
'richtext_title' => $activity['richtext_title'],
'starttime' => $activity['starttime'],
'endtime' => $activity['endtime'],
'rules' => is_array($activity['rules']) ? json_encode($activity['rules']) : $activity['rules'],
'goods_ids' => $activity['goods_ids']
]
);
foreach ($goodsList as $goods) {
$redis->HSET($hashKey, $this->getHashGoodsKey($goods['goods_id'], $goods['sku_price_id']), json_encode($goods));
}
// 将 hash 键值存入 有序集合,score 为 id
$redis->ZADD($this->zsetKey, $activity['starttime'], $hashKey);
}
// 获取所有活动
public function getActivityList($activity_type = '', $status = 'all') {
$redis = $this->getRedis();
// 获取活动集合
$hashList = $redis->ZRANGE($this->zsetKey, 0, 999999999);
$activityList = [];
if (!$hashList) { // 没有获取到,返回空数组
return $activityList;
}
foreach ($hashList as $hashKey) {
// 查询活动状态
if ($status != 'all') {
$starttime = $redis->HGET($hashKey, 'starttime');
$endtime = $redis->HGET($hashKey, 'endtime');
$tomorrow_start = strtotime(date('Y-m-d',strtotime('+1 day'))); //明日开始时间
$tomorrow_end = strtotime(date('Y-m-d',strtotime('+1 day'))) + 86400; //明日结束时间
if ($status == 'ing') {
if (time() < $starttime || time() > $endtime) {
continue;
}
} else if ($status == 'nostart') {
if (time() > $starttime || $tomorrow_start <= $starttime) {
continue;
}
} else if ($status == 'ended') {
if (time() < $endtime) {
continue;
}
} else if ($status == 'tomorrow') {
if ($tomorrow_start > $starttime || $tomorrow_end < $starttime) {
continue;
}
}
}
if ($activity_type) {
$type = $redis->HGET($hashKey, 'type');
if ($activity_type == $type) {
$activity = $this->getActivityByHashKey($hashKey);
if ($activity) {
$activityList[] = $activity;
}
}
} else {
$activity = $this->getActivityByHashKey($hashKey);
if ($activity) {
$activityList[] = $activity;
}
}
}
return $activityList;
}
// 获取商品对应的活动
public function getGoodsActivity($goods_id, $activity_id = 0, $activity_type = '') {
// 获取活动的 hash key
$activityHashKey = $this->getActivityHashKey($goods_id, $activity_id, $activity_type);
// 如果存在活动
if ($activityHashKey) {
return $this->getGoodsActivityByHashKey($goods_id, $activityHashKey);
}
return null;
}
// 删除活动缓存
public function delActivity($activity) {
$redis = $this->getRedis();
$hashKey = $this->getHashKey($activity['id'], $activity['type']);
// 删除 hash
$redis->DEL($hashKey);
// 删除集合
$redis->ZREM($this->zsetKey, $hashKey);
}
// 通过 hash key 获取活动信息,商品信息获取商品相关活动信息
private function getGoodsActivityByHashKey($goods_id, $activityHashKey) {
$redis = $this->getRedis();
// 取出整条 hash 记录
$activityHash = $redis->HGETALL($activityHashKey);
$activity = [];
// 当前商品前缀
$goodsPrefix = $this->hashGoodsPrefix . $goods_id . '-';
foreach ($activityHash as $key => $value) {
if (strpos($key, $goodsPrefix) !== false && strpos($key, '-sale') === false) {
$goods = json_decode($value, true);
// 计算销量库存数据
$goods = $this->calcGoods($goods, $activityHashKey);
// 商品规格项
$activity['activity_goods_sku_price'][] = $goods;
} else if (strpos($key, $this->hashGoodsPrefix) !== false) {
// 活动里面别的商品规格项移除
continue;
} else if (strpos($key, $this->hashGrouponPrefix) !== false && (strpos($key, '-num') !== false || strpos($key, '-userlist') !== false)) {
// 拼团的参团人数,团用户,移除
continue;
} else if ($key == 'rules') {
$activity[$key] = json_decode($value, true);
} else {
// 普通键值
$activity[$key] = $value;
}
}
return $activity ? : null;
}
// 获取活动所有信息
private function getActivityByHashKey($activityHashKey)
{
$redis = $this->getRedis();
// 取出整条 hash 记录
$activityHash = $redis->HGETALL($activityHashKey);
$activity = [];
foreach ($activityHash as $key => $value) {
if (strpos($key, $this->hashGoodsPrefix) !== false && strpos($key, '-sale') === false) {
$goods = json_decode($value, true);
// 计算销量库存数据
$goods = $this->calcGoods($goods, $activityHashKey);
// 商品规格项
$activity['activity_goods_sku_price'][] = $goods;
} else if (strpos($key, $this->hashGoodsPrefix) !== false && strpos($key, '-sale') !== false) {
// 活动里面 商品规格的销量,移除
continue;
} else if (strpos($key, $this->hashGrouponPrefix) !== false && (strpos($key, '-num') !== false || strpos($key, '-userlist') !== false)) {
// 拼团的参团人数,团用户,移除
continue;
} else if ($key == 'rules') {
$activity[$key] = json_decode($value, true);
} else {
// 普通键值
$activity[$key] = $value;
}
}
return $activity ?: null;
}
// 计算销量库存
private function calcGoods($goods, $activityHashKey) {
$redis = $this->getRedis();
// 销量 key
$saleKey = $this->getHashGoodsKey($goods['goods_id'], $goods['sku_price_id'], true);
// 缓存中的销量
$cacheSale = $redis->HGET($activityHashKey, $saleKey);
$stock = $goods['stock'] - $cacheSale;
$goods['stock'] = $stock > 0 ? $stock : 0;
$goods['sales'] = $goods['sales'] + $cacheSale;
return $goods;
}
// 从集合里面取出 当前要用的活动的 key
private function getActivityHashKey($goods_id, $activity_id = 0, $activity_type = '') {
$redis = $this->getRedis();
// 获取活动集合
$hashList = $redis->ZRANGE($this->zsetKey, 0, 999999999);
$activityHashKey = '';
if (!$hashList) { // 没有获取到,返回空数组
return $activityHashKey;
}
foreach ($hashList as $hashKey) {
// 是否传入活动 id
if ($activity_id && $activity_type) {
$currentKey = $activity_type . ':' . $activity_id;
// 判断是否是当前要找的活动
if (strpos($hashKey, $currentKey) !== false) {
// 判断该活动中是否存在该商品
$goods_ids = explode(',', $redis->HGET($hashKey, 'goods_ids'));
if (in_array($goods_id, $goods_ids)) {
$activityHashKey = $hashKey;
break;
} else {
// 抛出异常, 活动不存在
throw new Exception('活动不存在');
}
}
// 接着找下一个活动
} else {
// 判断这条活动是否包含该商品
$goods_ids = explode(',', $redis->HGET($hashKey, 'goods_ids'));
if (in_array($goods_id, $goods_ids)) {
$activityHashKey = $hashKey;
break;
}
// 接着找下一个活动
}
}
return $activityHashKey;
}
// 拼接 hash key
private function getHashKey($activity_id, $activity_type) {
return $this->hashPrefix . $activity_type . ':' . $activity_id;
}
// 拼接 hash 表中 goods 的 key
private function getHashGoodsKey($goods_id, $sku_price_id, $is_sale = false)
{
return $this->hashGoodsPrefix . $goods_id . '-' . $sku_price_id . ($is_sale ? '-sale' : '');
}
// 拼接 hash 表中 groupon 的 key
private function getHashGrouponKey($groupon_id, $goods_id, $type = '')
{
return $this->hashGrouponPrefix . $groupon_id . '-' . $goods_id . ($type ? '-' . $type : '');
}
// 获取 key 集合
public function getKeys($detail, $activity)
{
// 获取 hash key
$activityHashKey = $this->getHashKey($activity['activity_id'], $activity['activity_type']);
$goodsSkuPriceKey = '';
$saleKey = '';
if (isset($detail['goods_sku_price_id']) && $detail['goods_sku_price_id']) {
// 获取 hash 表中商品 sku 的 key
$goodsSkuPriceKey = $this->getHashGoodsKey($detail['goods_id'], $detail['goods_sku_price_id']);
// 获取 hash 表中商品 sku 的 销量的 key
$saleKey = $this->getHashGoodsKey($detail['goods_id'], $detail['goods_sku_price_id'], true);
}
// 需要拼团的字段
$grouponKey = '';
$grouponNumKey = '';
$grouponUserlistKey = '';
if (isset($detail['groupon_id']) && $detail['groupon_id']) {
// 获取 hash 表中团 key
$grouponKey = $this->getHashGrouponKey($detail['groupon_id'], $detail['goods_id']);
// 获取 hash 表中团当前人数 key
$grouponNumKey = $this->getHashGrouponKey($detail['groupon_id'], $detail['goods_id'], 'num');
// 获取 hash 表中团当前人员列表 key
$grouponUserlistKey = $this->getHashGrouponKey($detail['groupon_id'], $detail['goods_id'], 'userlist');
}
return compact('activityHashKey', 'goodsSkuPriceKey', 'saleKey', 'grouponKey', 'grouponNumKey', 'grouponUserlistKey');
}
}