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<?php |
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namespace SSpkS\Package; |
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use \SSpkS\Package\Package; |
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/** |
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* SPK PackageFinder class |
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*/ |
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class PackageFilter |
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{ |
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private $pkgList; |
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/** @var bool|string[] $filterArch Array of allowed architectures, or FALSE to ignore. */ |
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private $filterArch = false; |
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/** @var bool|string $filterFwVersion Target firmware version, or FALSE to ignore. */ |
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private $filterFwVersion = false; |
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/** @var bool|string $filterChannel Channel 'stable' or 'beta', or FALSE to ignore. */ |
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private $filterChannel = false; |
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/** @var bool $filterOldVersions TRUE to return unique packages with latest version only. */ |
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private $filterOldVersions = false; |
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/** |
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* @param \SSpkS\Package\Package[] $pkgList List of Package objects to filter |
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*/ |
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public function __construct(array $pkgList) |
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{ |
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$this->pkgList = $pkgList; |
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} |
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/** |
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* Sets the architecture to filter for. |
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* |
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* @param string $arch Architecture. |
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*/ |
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public function setArchitectureFilter($arch) |
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{ |
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$this->filterArch = array('noarch', $arch); |
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} |
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/** |
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* Sets the firmware version to filter for. |
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* |
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* @param string|bool $version Firmware version in dotted notation ('1.2.3456') or FALSE to ignore. |
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*/ |
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public function setFirmwareVersionFilter($version) |
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{ |
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$this->filterFwVersion = $version; |
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} |
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/** |
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* Sets the channel to filter for. |
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* |
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* @param string $channel Channel ('stable' or 'beta') |
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*/ |
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public function setChannelFilter($channel) |
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{ |
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$this->filterChannel = $channel; |
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} |
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/** |
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* Enables or disables omitting older versions of the same package from the result set. |
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* |
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* @param bool $status TRUE to enable the filter, FALSE to disable. |
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*/ |
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public function setOldVersionFilter($status) |
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{ |
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$this->filterOldVersions = $status; |
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} |
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/** |
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* If filter is enabled, checks if architecture of $package is compatible to requested one. |
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* |
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* @param \SSpkS\Package\Package $package Package to test. |
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* @return bool TRUE if matching, or FALSE. |
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*/ |
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public function isMatchingArchitecture($package) |
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{ |
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if ($this->filterArch === false) { |
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return true; |
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} |
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$matches = array_intersect($this->filterArch, $package->arch); |
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return (count($matches) > 0); |
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} |
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/** |
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* If filter is enabled, checks if minimal firmware required of $package is |
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* smaller or equal to system firmware. |
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* |
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* @param \SSpkS\Package\Package $package Package to test. |
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* @return bool TRUE if matching, or FALSE. |
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*/ |
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public function isMatchingFirmwareVersion($package) |
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{ |
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if ($this->filterFwVersion === false) { |
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return true; |
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} |
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return (version_compare($package->firmware, $this->filterFwVersion, '<=')); |
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} |
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/** |
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* If filter is enabled, checks if channel of $package matches requested one. |
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* 'beta' will show ALL packages, also those from 'stable'. |
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* |
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* @param \SSpkS\Package\Package $package Package to test. |
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* @return bool TRUE if matching, or FALSE. |
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*/ |
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public function isMatchingChannel($package) |
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{ |
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if ($this->filterChannel === false) { |
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return true; |
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} |
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if ($this->filterChannel == 'stable' && (!isset($package->beta) || $package->beta === false)) { |
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return true; |
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} elseif ($this->filterChannel == 'beta') { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Removes older versions of same package from $pkgList. |
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* |
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* @param \SSpkS\Package\Package[] $pkgList List of packages |
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* @return \SSpkS\Package\Package[] List of unique packages |
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*/ |
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public function removeObsoleteVersions($pkgList) |
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{ |
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$uniqueList = array(); |
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foreach ($pkgList as $package) { |
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$pkgId = $package->package; |
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if (isset($uniqueList[$pkgId]) && version_compare($uniqueList[$pkgId]->version, $package->version, '>=')) { |
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continue; |
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} |
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$uniqueList[$pkgId] = $package; |
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} |
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return array_values($uniqueList); |
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} |
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/** |
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* Returns the list of packages matching the currently set filters. |
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* |
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* @return \SSpkS\Package\Package[] List of Package objects matching filters. |
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*/ |
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public function getFilteredPackageList() |
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{ |
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$filteredPackages = array(); |
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foreach ($this->pkgList as $package) { |
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if (!$this->isMatchingArchitecture($package)) { |
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continue; |
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} |
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if (!$this->isMatchingFirmwareVersion($package)) { |
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continue; |
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} |
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if (!$this->isMatchingChannel($package)) { |
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continue; |
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} |
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$filteredPackages[] = $package; |
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} |
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if ($this->filterOldVersions) { |
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// remove older versions of duplicate packages from $filteredPackages |
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$filteredPackages = $this->removeObsoleteVersions($filteredPackages); |
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} |
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return $filteredPackages; |
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} |
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} |
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jdel /
sspks
