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<?php
namespace Icinga\Module\Director\Application;
class Dependency
{
/** @var string */
protected $name;
/** @var string|null */
protected $installedVersion;
/** @var bool|null */
protected $enabled;
/** @var string */
protected $operator;
/** @var string */
protected $requiredVersion;
/** @var string */
protected $requirement;
/**
* Dependency constructor.
* @param string $name Usually a module name
* @param string $requirement e.g. >=1.7.0
* @param string $installedVersion
* @param bool $enabled
*/
public function __construct($name, $requirement, $installedVersion = null, $enabled = null)
{
$this->name = $name;
$this->setRequirement($requirement);
if ($installedVersion !== null) {
$this->setInstalledVersion($installedVersion);
}
if ($enabled !== null) {
$this->setEnabled($enabled);
}
}
public function setRequirement($requirement)
{
if (preg_match('/^([<>=]+)\s*v?(\d+\.\d+\.\d+)$/', $requirement, $match)) {
$this->operator = $match[1];
$this->requiredVersion = $match[2];
$this->requirement = $requirement;
} else {
throw new \InvalidArgumentException("'$requirement' is not a valid version constraint");
}
}
/**
* @return bool
*/
public function isInstalled()
{
return $this->installedVersion !== null;
}
/**
* @return string|null
*/
public function getInstalledVersion()
{
return $this->installedVersion;
}
/**
* @param string $version
*/
public function setInstalledVersion($version)
{
$this->installedVersion = ltrim($version, 'v'); // v0.6.0 VS 0.6.0
}
/**
* @return bool
*/
public function isEnabled()
{
return $this->enabled === true;
}
/**
* @param bool $enabled
*/
public function setEnabled($enabled = true)
{
$this->enabled = $enabled;
}
public function isSatisfied()
{
if (! $this->isInstalled() || ! $this->isEnabled()) {
return false;
}
return version_compare($this->installedVersion, $this->requiredVersion, $this->operator);
}
public function getName()
{
return $this->name;
}
public function getRequirement()
{
return $this->requirement;
}
}
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