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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked Scheduler.
Booked Scheduler is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Booked Scheduler is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Booked Scheduler. If not, see <http://www.gnu.org/licenses/>.
*/
class Installer
{
/**
* @var string
*/
private $user;
/**
* @var string
*/
private $password;
public function __construct($user, $password)
{
$this->user = $user;
$this->password = $password;
}
/**
* @param $should_create_db bool
* @param $should_create_user bool
* @param $should_create_sample_data bool
* @return array|InstallationResult[]
*/
public function InstallFresh($should_create_db, $should_create_user, $should_create_sample_data)
{
$results = array();
$config = Configuration::Instance();
$hostname = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_HOSTSPEC);
$database_name = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_NAME);
$database_user = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_USER);
$database_password = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_PASSWORD);
$create_database = new MySqlScript(ROOT_DIR . 'database_schema/create-db.sql');
$create_database->Replace('phpscheduleit2', $database_name);
$create_user = new MySqlScript(ROOT_DIR . 'database_schema/create-user.sql');
$create_user->Replace('phpscheduleit2', $database_name);
$create_user->Replace('schedule_user', $database_user);
$create_user->Replace('localhost', $hostname);
$create_user->Replace('password', $database_password);
$populate_sample_data = new MySqlScript(ROOT_DIR . 'database_schema/sample-data-utf8.sql');
$populate_sample_data->Replace('phpscheduleit2', $database_name);
$create_schema = new MySqlScript(ROOT_DIR . 'database_schema/create-schema.sql');
$populate_data = new MySqlScript(ROOT_DIR . 'database_schema/create-data.sql');
if ($should_create_db)
{
$results[] = $this->ExecuteScript($hostname, 'mysql', $this->user, $this->password, $create_database);
}
$results[] = $this->ExecuteScript($hostname, $database_name, $this->user, $this->password, $create_schema);
if ($should_create_user)
{
$results[] = $this->ExecuteScript($hostname, $database_name, $this->user, $this->password, $create_user);
}
$results[] = $this->ExecuteScript($hostname, $database_name, $this->user, $this->password, $populate_data);
$upgradeResults = $this->Upgrade();
/**
* Populate sample data given in /Booked Scheduler/database_schema/sample-data-utf8.sql
*/
if ($should_create_sample_data)
{
$results[] = $this->ExecuteScript($hostname, $database_name, $this->user, $this->password, $populate_sample_data);
}
$results = array_merge($results, $upgradeResults);
return $results;
}
/**
* @return array|InstallationResult[]
*/
public function Upgrade()
{
$results = array();
$upgradeDir = ROOT_DIR . 'database_schema/upgrades';
$upgrades = scandir($upgradeDir);
$currentVersion = $this->GetVersion();
usort($upgrades, array($this, 'SortDirectories'));
foreach ($upgrades as $upgrade)
{
if ($upgrade === '.' || $upgrade === '..' || strpos($upgrade, '.') === 0)
{
continue;
}
$upgradeResults = $this->ExecuteUpgrade($upgradeDir, $upgrade, $currentVersion);
$results = array_merge($results, $upgradeResults);
}
return $results;
}
/**
* @param string $upgradeDir
* @param string $versionNumber
* @param string $currentVersion
* @return array|InstallationResult[]
*/
private function ExecuteUpgrade($upgradeDir, $versionNumber, $currentVersion)
{
$results = array();
$fullUpgradeDir = "$upgradeDir/$versionNumber";
if (!is_dir($fullUpgradeDir))
{
$results[] = new InstallationResultSkipped($versionNumber);
}
else
{
$greaterThanCurrent = floatval($versionNumber) > floatval($currentVersion);
if ($greaterThanCurrent)
{
$config = Configuration::Instance();
$hostname = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_HOSTSPEC);
$database_name = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_NAME);
$database_user = $this->user;
$database_password = $this->password;
$create_schema = new MySqlScript("$fullUpgradeDir/schema.sql");
$results[] = $this->ExecuteScript($hostname, $database_name, $database_user, $database_password, $create_schema);
$populate_data = new MySqlScript("$fullUpgradeDir/data.sql");
$results[] = $this->ExecuteScript($hostname, $database_name, $database_user, $database_password, $populate_data);
}
}
return $results;
}
private function SortDirectories($dir1, $dir2)
{
$d1 = floatval($dir1);
$d2 = floatval($dir2);
if ($d1 == $d2)
{
return 0;
}
return ($d1 < $d2) ? -1 : 1;
}
protected function ExecuteScript($hostname, $database_name, $db_user, $db_password, MySqlScript $script)
{
$result = new InstallationResult($script->Name());
$sqlErrorCode = 0;
$sqlErrorText = null;
$sqlStmt = null;
$link = @mysqli_connect($hostname, $db_user, $db_password);
if (!$link)
{
$result->SetConnectionError();
return $result;
}
$select_db_result = @mysqli_select_db($link, $database_name);
if (!$select_db_result)
{
$result->SetAuthenticationError();
return $result;
}
$sqlArray = explode(';', $script->GetFullSql());
foreach ($sqlArray as $stmt)
{
if (strlen($stmt) > 3 && substr(ltrim($stmt), 0, 2) != '/*')
{
$queryResult = @mysqli_query($link, $stmt);
if (!$queryResult)
{
$sqlErrorCode = mysqli_errno($link);
$sqlErrorText = mysqli_error($link);
$sqlStmt = $stmt;
break;
}
}
}
$result->SetResult($sqlErrorCode, $sqlErrorText, $sqlStmt);
return $result;
}
/**
* @return float
*/
public function GetVersion()
{
// if dbversion table does not exist or version in db is less than current
$config = Configuration::Instance();
$hostname = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_HOSTSPEC);
$database_name = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_NAME);
$database_user = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_USER);
$database_password = $config->GetSectionKey(ConfigSection::DATABASE, ConfigKeys::DATABASE_PASSWORD);
$link = mysqli_connect($hostname, $database_user, $database_password);
if (!$link)
{
return false;
}
$select_db_result = mysqli_select_db($link, $database_name);
if (!$select_db_result)
{
return false;
}
$select_table_result = mysqli_query($link, 'select * from layouts');
if (!$select_table_result)
{
return false;
}
$getVersion = 'SELECT * FROM `dbversion` order by version_number desc limit 0,1';
$result = mysqli_query($link, $getVersion);
if (!$result)
{
return 2.0;
}
if ($row = mysqli_fetch_assoc($result))
{
$versionNumber = $row['version_number'];
if ($versionNumber == 2.1)
{
// bug in 2.2 upgrade did not insert version number, check for table instead
$getCustomAttributes = 'SELECT * FROM custom_attributes';
$customAttributesResults = mysqli_query($link, $getCustomAttributes);
if ($customAttributesResults)
{
mysqli_query($link, "insert into dbversion values('2.2', now())");
return 2.2;
}
}
return $versionNumber;
}
return 2.0;
}
public function ClearCachedTemplates()
{
try
{
$templateDirectory = ROOT_DIR . 'tpl_c';
$d = dir($templateDirectory);
while ($entry = $d->read())
{
if ($entry != "." && $entry != "..")
{
@unlink($templateDirectory . '/' . $entry);
}
}
$d->close();
}
catch(Exception $ex)
{
// eat it and move on
}
}
}