/**
* Try to get platform hash.
* If it's upgrade it try to read database (searches old config/preference tables)
* If this fails it returns 'OXP_upgrade-unknown_platform_hash'
* If it's fresh install then it checks if there is already generated
* platformHash by previous call of this method, or use suggested one, or generate new one.
* New platform hash is stored as already generated.
*
* @param string $suggestedPlatformHash
* @param boolean $forceCheck should check be done once again (or we can use cached results)
* @return string platform Hash
*/
public function getPlatformHash($suggestedPlatformHash = null, $forceCheck = false)
{
if (!$forceCheck && isset(self::$foundPlatformHash)) {
return self::$foundPlatformHash;
}
// is it upgrade?
$oUpgrader = new OA_Upgrade();
if (!$oUpgrader->isFreshInstall()) {
// YES:
// prepare database connection data
$oUpgrader->canUpgradeOrInstall();
$oUpgrader->initDatabaseConnection();
// try read platform hash from database (3 possible locations)
$platformHash = $this->readPlatformHashFromDatabase();
// if can't find platformHash - set 'OXP_upgrade-unknown_platform_hash'
$platformHash = $platformHash ? $platformHash : self::$UNKNOWN_PLATFORM_HASH;
} else {
// NO:
// is already set generatedPlatformHash
if (isset(self::$generatedPlatformHash)) {
$platformHash = self::$generatedPlatformHash;
} else {
// use sugested or generate new one (and remember)
if (isset($suggestedPlatformHash)) {
$platformHash = $suggestedPlatformHash;
} else {
$platformHash = OA_Dal_ApplicationVariables::generatePlatformHash();
}
// remember genereted platform hash
self::$generatedPlatformHash = $platformHash;
}
}
self::$foundPlatformHash = $platformHash;
return $platformHash;
}
function testCanUpgradeOrInstall()
{
// run once upgrade or install
$oUpgrade = new OA_Upgrade();
$firstResult = $oUpgrade->canUpgradeOrInstall();
$existing_installation_status = $oUpgrade->existing_installation_status;
$aPackageList = $oUpgrade->aPackageList;
$aMessages = $oUpgrade->getMessages();
$oUpgrade->oLogger->logClear();
$oUpgrade->aPackageList = array();
$oUpgrade->existing_installation_status = 235234;
// run another one and check values
$this->assertEqual($oUpgrade->canUpgradeOrInstall(), $firstResult);
$this->assertEqual($oUpgrade->existing_installation_status, $existing_installation_status);
$this->assertEqual($oUpgrade->aPackageList, $aPackageList);
$this->assertEqual($oUpgrade->getMessages(), $aMessages);
}
/**
* Checks if upgrader discovered schema which is old and stores stats
* in server time rather than UTC.
*
* @param OA_Upgrade $oUpgrader
*/
public static function hasZoneError($oUpgrader)
{
$tzoneErr = false;
if ($oUpgrader->canUpgradeOrInstall()) {
// Timezone support check
if ($oUpgrader->existing_installation_status != OA_STATUS_NOT_INSTALLED) {
if ($oUpgrader->versionInitialSchema['tables_core'] < 538) {
// Non TZ-enabled database
$tzoneErr = true;
}
}
}
return $tzoneErr;
}
/**
* Look for existing installations (phpAdsNew, MMM, Openads)
* retrieve details and check for errors
* Allows to limit calls to canUpgradeInit in one thread by storing it's results
*
* @param boolean $forceCheck should canUpgradeInit be called anyway
* @return boolean true if can install or upgrade application, false if can't upgrade or it's current installation
*/
public function canUpgradeOrInstall($forceCheck = false)
{
if ($forceCheck || !isset(self::$canUpgradeOrInstall)) {
$result = $this->canUpgradeInit();
self::$canUpgradeOrInstall = array('result' => $result, 'existing_installation_status' => $this->existing_installation_status, 'versionInitialApplication' => isset($this->versionInitialApplication) ? $this->versionInitialApplication : null, 'tables_core' => isset($this->versionInitialSchema['tables_core']) ? $this->versionInitialSchema['tables_core'] : null, 'package0' => isset($this->aPackageList[0]) ? $this->aPackageList[0] : null, 'aDsn-database' => $this->aDsn['database'], 'aDsn-table' => $this->aDsn['table'], 'upgrading_from_milestone_version' => $this->upgrading_from_milestone_version, 'globals-database' => $GLOBALS['_MAX']['CONF']['database'], 'globals-table' => $GLOBALS['_MAX']['CONF']['table'], 'oLogger' => clone $this->oLogger);
} else {
// restore results from self::$canUpgradeOrInstall
$aResult = self::$canUpgradeOrInstall;
$this->existing_installation_status = $aResult['existing_installation_status'];
if (isset($aResult['versionInitialApplication'])) {
$this->versionInitialApplication = $aResult['versionInitialApplication'];
}
if (isset($aResult['tables_core'])) {
$this->versionInitialSchema['tables_core'] = $aResult['tables_core'];
}
if (isset($aResult['package0'])) {
$this->aPackageList[0] = $aResult['package0'];
}
$this->aDsn['database'] = $aResult['aDsn-database'];
$this->aDsn['table'] = $aResult['aDsn-table'];
$this->upgrading_from_milestone_version = $aResult['upgrading_from_milestone_version'];
$GLOBALS['_MAX']['CONF']['database'] = $aResult['globals-database'];
$GLOBALS['_MAX']['CONF']['table'] = $aResult['globals-table'];
$this->oLogger = $aResult['oLogger'];
}
return self::$canUpgradeOrInstall['result'];
}
