icingaweb2/library/Icinga/User/Preferences/Store/IniStore.php

157 lines
4.1 KiB
PHP

<?php
// {{{ICINGA_LICENSE_HEADER}}}
// {{{ICINGA_LICENSE_HEADER}}}
namespace Icinga\User\Preferences\Store;
use Zend_Config;
use Icinga\Util\File;
use Icinga\Config\PreservingIniWriter;
use Icinga\Exception\NotReadableError;
use Icinga\Exception\NotWritableError;
use Icinga\User\Preferences;
use Icinga\User\Preferences\PreferencesStore;
/**
* Load and save user preferences from and to INI files
*/
class IniStore extends PreferencesStore
{
/**
* Preferences file of the given user
*
* @var string
*/
protected $preferencesFile;
/**
* Stored preferences
*
* @var array
*/
protected $preferences = array();
/**
* Writer which stores the preferences
*
* @var PreservingIniWriter
*/
protected $writer;
/**
* Initialize the store
*/
protected function init()
{
$this->preferencesFile = sprintf(
'%s/%s.ini',
$this->getStoreConfig()->location,
$this->getUser()->getUsername()
);
}
/**
* Load preferences from source
*
* @return array
*
* @throws NotReadableError When the INI file of the user exists and is not readable
*/
public function load()
{
if (file_exists($this->preferencesFile)) {
if (!is_readable($this->preferencesFile)) {
throw new NotReadableError(
'Preferences INI file ' . $this->preferencesFile . ' for user '
. $this->getUser()->getUsername() . ' is not readable'
);
} else {
$this->preferences = parse_ini_file($this->preferencesFile);
}
}
return $this->preferences;
}
/**
* Save the given preferences
*
* @param Preferences $preferences The preferences to save
*/
public function save(Preferences $preferences)
{
$preferences = $preferences->toArray();
$this->update(
array_merge(
array_diff_key($preferences, $this->preferences),
array_intersect_key($preferences, $this->preferences)
)
);
$this->delete(array_keys(array_diff_key($this->preferences, $preferences)));
$this->write();
}
/**
* Write the preferences
*
* @throws NotWritableError In case the INI file cannot be written
*/
public function write()
{
if ($this->writer === null) {
if (!file_exists($this->preferencesFile)) {
if (!is_writable($this->getStoreConfig()->location)) {
throw new NotWritableError(
sprintf(
'Path to the preferences INI files %s is not writable',
$this->getStoreConfig()->location
)
);
}
File::create($this->preferencesFile);
}
if (!is_writable($this->preferencesFile)) {
throw new NotWritableError(
'Preferences INI file ' . $this->preferencesFile . ' for user '
. $this->getUser()->getUsername() . ' is not writable'
);
}
$this->writer = new PreservingIniWriter(
array(
'config' => new Zend_Config($this->preferences),
'filename' => $this->preferencesFile
)
);
}
$this->writer->write();
}
/**
* Add or update the given preferences
*
* @param array $preferences The preferences to set
*/
protected function update(array $preferences)
{
foreach ($preferences as $key => $value) {
$this->preferences[$key] = $value;
}
}
/**
* Delete the given preferences by name
*
* @param array $preferenceKeys The preference names to delete
*/
protected function delete(array $preferenceKeys)
{
foreach ($preferenceKeys as $key) {
unset($this->preferences[$key]);
}
}
}