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<?php |
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namespace App\Babel\Install; |
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use App\Models\OJModel; |
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use App\Models\CompilerModel; |
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use PharIo\Version\Version; |
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use PharIo\Version\VersionConstraintParser; |
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use PharIo\Version\InvalidVersionException; |
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use Illuminate\Support\Facades\DB; |
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use Exception; |
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use Throwable; |
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class InstallerBase |
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{ |
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protected $command; |
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protected $versionParser; |
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protected $oid=0; |
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protected $babelConfig=[]; |
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protected $ocode=null; |
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protected $worker=null; |
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protected function _install($ocode) |
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{ |
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try { |
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$this->ocode=$ocode; |
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$this->command->line("Installing <fg=green>$ocode</>"); |
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$this->babelConfig=json_decode(file_get_contents(babel_path("Extension/$ocode/babel.json")), true); |
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// check version info |
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$this->checkVersionInfo(); |
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// support __cur__ variables |
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$this->parseVersion(); |
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// check requirement |
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$this->checkRequirement(); |
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//writing database |
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$this->transactionDB(); |
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}catch(Throwable $e){ |
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if ($e->getMessage()!==""){ |
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$this->command->line("\n <bg=red;fg=white> {$e->getMessage()} </>\n"); |
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} |
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} |
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} |
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protected function _uninstall($ocode) |
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{ |
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$this->command->line("<fg=red>Warning: Removing an installed and already-used extension may cause severe consequences, including lossing user submission, problem data and contests regaring or involving the usage of this extension. </>"); |
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if ($this->command->confirm("Are you sure you want to uninstall $ocode?")) { |
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//uninstall |
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OJModel::removeOJ(["ocode"=>$ocode]); |
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$this->command->line("Already removed <fg=green>$ocode</>"); |
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} |
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} |
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public function __construct($class) |
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{ |
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$this->command=$class; |
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$this->versionParser = new VersionConstraintParser(); |
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} |
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private function parseVersion() |
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{ |
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if(empty($this->babelConfig)){ |
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throw new Exception('Missing babel.json Config file.'); |
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} |
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if ($this->babelConfig["version"]=="__cur__") { |
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$this->babelConfig["version"]=explode("-", version())[0]; |
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} |
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if ($this->babelConfig["require"]["NOJ"]=="__cur__") { |
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$this->babelConfig["require"]["NOJ"]=explode("-", version())[0]; |
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} |
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} |
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private function checkVersionInfo() |
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{ |
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// check version info |
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if (!isset($this->babelConfig["version"]) || is_null($this->babelConfig["version"]) || trim($this->babelConfig["version"])=="") { |
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throw new Exception('Lack version info.'); |
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} |
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// check require info |
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if (!isset($this->babelConfig["require"]["NOJ"]) || is_null($this->babelConfig["require"]["NOJ"]) || trim($this->babelConfig["require"]["NOJ"])=="") { |
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throw new Exception('Lack NOJ compability info.'); |
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} |
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} |
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private function checkRequirement() |
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{ |
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try { |
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if (!($this->versionParser->parse($this->babelConfig["require"]["NOJ"])->complies(new Version(explode("-", version())[0])))) { |
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if (!$this->command->option('ignore-platform-reqs')) { |
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$this->command->line("Your Current NOJ Version <fg=yellow>".version()."</> doesn't support the following extension: "); |
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$this->command->line(" - <fg=green>{$this->ocode}</> requires NOJ version <fg=yellow>{$this->babelConfig['require']['NOJ']}</>"); |
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throw new Exception(); |
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} |
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} |
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} catch (InvalidVersionException $e) { |
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throw new Exception('Illegal Compability Info.'); |
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} |
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} |
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private function transactionDB() |
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{ |
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DB::beginTransaction(); |
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$ocode=$this->ocode; |
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try { |
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// get current installed version info |
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$info=OJModel::basic(OJModel::oid($ocode)); |
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$this->insertWhenNotExist($info); |
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// init worker |
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$this->worker=new InstallerWorker($this->ocode, $this->babelConfig, $this->oid, $this->command); |
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// retrieve compiler config and then import it |
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$latest_timestamp=$this->worker->importCompilerInfo($info); |
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// import css |
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$this->worker->importCSS(); |
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// import icon |
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$this->worker->importICON(); |
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$this->oid=OJModel::updateOJ(OJModel::oid($this->babelConfig["code"]), [ |
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"version"=>$this->babelConfig["version"], |
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"compiler_timestamp"=>$latest_timestamp, |
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]); |
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DB::commit(); |
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}catch(Throwable $e){ |
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DB::rollback(); |
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if ($e->getMessage()!=="") { |
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$this->command->line("\n <bg=red;fg=white> {$e->getMessage()} </>\n"); |
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} |
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return; |
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} |
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} |
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private function insertWhenNotExist($info) |
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{ |
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$ocode=$this->ocode; |
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// if there isn't, create one |
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if (empty($info)) { |
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$this->oid=OJModel::insertOJ([ |
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"ocode"=>$this->babelConfig["code"], |
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"name"=>$this->babelConfig["name"], |
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"home_page"=>$this->babelConfig["website"], |
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"logo"=>"/static/img/oj/default.png", |
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"status"=>1, |
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"version"=>"", |
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"compiler_timestamp"=>"", |
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]); |
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} else { |
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// check legal version format |
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try { |
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$currentVersion=new Version($this->babelConfig["version"]); |
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} catch (InvalidVersionException $e) { |
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throw new Exception('Illegal Version Info, aborting.'); |
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} |
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// check there is a not null version |
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if (isset($info["version"]) && !is_null($info["version"]) && trim($info["version"])!="") { |
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try { |
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$installedVersion=new Version($info["version"]); |
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} catch (InvalidVersionException $e) { |
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throw new Exception('Illegal Version Info, aborting.'); |
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} |
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if (!($currentVersion->isGreaterThan($installedVersion))) { |
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// lower version or even |
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$this->command->line("Nothing to install or update."); |
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throw new Exception(); |
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} |
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} |
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$this->oid=$info["oid"]; |
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} |
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} |
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} |
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ZsgsDesign /
NOJ
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