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<?php
class SpotStatistics {
protected $_db;
private $_cache;
function __construct(SpotDb $db) {
$this->_db = $db;
$this->_cache = new SpotCache($db);
} # ctor
function getSpotCountPerHour($limit, $lastUpdate) {
$resourceid = $this->getResourceid('spotsperhour', $limit);
$rs = $this->_cache->getCache($resourceid, SpotCache::StatisticsData);
if (!$rs || (int) $rs['stamp'] < $lastUpdate) {
$data = $this->_db->getSpotCountPerHour($limit);
$this->_cache->saveCache($resourceid, SpotCache::StatisticsData, '', $data);
} else {
$data = $rs['content'];
} # else
return $data;
} # getSpotCountPerHour
function getSpotCountPerWeekday($limit, $lastUpdate) {
$resourceid = $this->getResourceid('spotsperweekday', $limit);
$rs = $this->_cache->getCache($resourceid, SpotCache::StatisticsData);
if (!$rs || (int) $rs['stamp'] < $lastUpdate) {
$data = $this->_db->getSpotCountPerWeekday($limit);
$this->_cache->saveCache($resourceid, SpotCache::StatisticsData, '', $data);
} else {
$data = $rs['content'];
} # else
return $data;
} # getSpotCountPerWeekday
function getSpotCountPerMonth($limit, $lastUpdate) {
$resourceid = $this->getResourceid('spotspermonth', $limit);
$rs = $this->_cache->getCache($resourceid, SpotCache::StatisticsData);
if (!$rs || (int) $rs['stamp'] < $lastUpdate) {
$data = $this->_db->getSpotCountPerMonth($limit);
$this->_cache->saveCache($resourceid, SpotCache::StatisticsData, '', $data);
} else {
$data = $rs['content'];
} # else
return $data;
} # getSpotCountPerMonth
function getSpotCountPerCategory($limit, $lastUpdate) {
$resourceid = $this->getResourceid('spotspercategory', $limit);
$rs = $this->_cache->getCache($resourceid, SpotCache::StatisticsData);
if (!$rs || (int) $rs['stamp'] < $lastUpdate) {
$data = $this->_db->getSpotCountPerCategory($limit);
$this->_cache->saveCache($resourceid, SpotCache::StatisticsData, '', $data);
} else {
$data = $rs['content'];
} # else
return $data;
} # getSpotCountPerCategory
function getResourceid($name, $limit, $language=false) {
if ($limit == '') {
$resourceid = $name . '.all';
} else {
$resourceid = $name . '.' . $limit;
} # else
if ($language) {
$resourceid .= '.' . $language;
} # if
return $resourceid;
} # getResourceid
} # class SpotStatistics
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