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Diffstat (limited to 'source/Command/Upgrade.php')
| -rw-r--r-- | source/Command/Upgrade.php | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/source/Command/Upgrade.php b/source/Command/Upgrade.php new file mode 100644 index 0000000..16ac2e6 --- /dev/null +++ b/source/Command/Upgrade.php @@ -0,0 +1,227 @@ +<?php +/** + * @author stev leibelt <artodeto@bazzline.net> + * @since 2014-08-17 + */ + +/** + * Class Command_Upgrade + */ +class Command_Upgrade extends Command_AbstractCommand +{ + /** + * @var AbstractApplication + */ + private $application; + + /** + * @var File + */ + private $changeLog; + + /** + * @var Filesystem + */ + private $filesystem; + + /** + * @var Configuration_Path + */ + private $pathConfiguration; + + /** + * @param AbstractApplication $application + */ + public function setApplication(AbstractApplication $application) + { + $this->application = $application; + } + + /** + * @param File $file + */ + public function setChangeLog(File $file) + { + $this->changeLog = $file; + } + + /** + * @param Configuration_Path $configuration + */ + public function setPathConfiguration(Configuration_Path $configuration) + { + $this->pathConfiguration = $configuration; + } + + /** + * @param Filesystem $filesystem + */ + public function setFilesystem(Filesystem $filesystem) + { + $this->filesystem = $filesystem; + } + + /** + * @throws Exception + */ + public function execute() + { + //__process + $currentVersion = $this->application->getCurrentVersion(); + $finalVersion = $this->application->getExampleVersion(); + $releases = $this->fetchReleasesToProcess($currentVersion, $finalVersion); + + if (empty($releases)) { + $this->output->addLine('nothing to do ...'); + } else { + $pathToIndexPhp = $this->pathConfiguration->getChatPath() . DIRECTORY_SEPARATOR . 'index.php'; + $pathToBackupOfIndexPhp = $pathToIndexPhp . '.backup'; + + $this->backup(); + $this->executePreUpdateTasks($pathToIndexPhp, $pathToBackupOfIndexPhp); + $this->upgrade($releases); + $this->executePostUpdateTasks($pathToIndexPhp, $pathToBackupOfIndexPhp); + + $this->output->addLine('upgraded from "' . $currentVersion . '" to "' . $finalVersion . '"'); + } + } + + /** + * @return array + */ + public function getUsage() + { + return array(); + } + + /** + * @throws Exception + */ + public function verify() + { + } + + /** + * @throws Exception + */ + private function backup() + { + $command = $this->application->getBackupCommand(); + + $this->input->setArguments(array('--all')); + + $command->setInput($this->input); + $command->setOutput($this->output); + $command->verify(); + $command->execute(); + } + + /** + * @param string $pathToIndexPhp + * @param string $pathToBackupOfIndexPhp + * @throws Exception + */ + private function executePreUpdateTasks($pathToIndexPhp, $pathToBackupOfIndexPhp) + { + $this->filesystem->move($pathToIndexPhp, $pathToBackupOfIndexPhp); + $file = $this->filesystem->createFile($pathToIndexPhp); + $file->write(array( + '<?php', + 'echo \'updating system, back soon\';' + )); + } + + /** + * @param string $pathToIndexPhp + * @param string $pathToBackupOfIndexPhp + * @throws Exception + */ + private function executePostUpdateTasks($pathToIndexPhp, $pathToBackupOfIndexPhp) + { + $this->filesystem->move($pathToBackupOfIndexPhp, $pathToIndexPhp); + $this->filesystem->copy( + $this->pathConfiguration->getExampleVersionFilePath(), + $this->pathConfiguration->getChatVersionFilePath() + ); + } + + private function upgrade(array $releases) + { + foreach ($releases as $release) { + $path = $this->pathConfiguration->getReleasePath() . DIRECTORY_SEPARATOR . $release; + $files = $this->fetchUpdatesFilesFromRelease($path); + foreach ($files as $file) { + $this->executeUpdateFile($file); + $this->changeLog->append( + '[' . date('Y-m-d H:i:s', time()) . '] ' . + $file + ); + } + } + } + + /** + * @param string $currentVersion + * @param string $finalVersion + * @return array + * @throws Exception + */ + private function fetchReleasesToProcess($currentVersion, $finalVersion) + { + if (!is_dir($this->pathConfiguration->getReleasePath())) { + throw new Exception( + 'no directory found:' . PHP_EOL . + $this->pathConfiguration->getReleasePath() + ); + } + + $releases = $this->filesystem->getDirectories( + $this->pathConfiguration->getReleasePath(), + array('upcoming'), + false + ); + $releasesToProcess = array(); + foreach ($releases as $release) { + $isNewer = version_compare($release, $currentVersion, '>'); + if ($isNewer) { + $releasesToProcess[] = $release; + } + } + natsort($releasesToProcess); + + return $releasesToProcess; + } + + /** + * @param string $path + * @return array + * @throws Exception + */ + private function fetchUpdatesFilesFromRelease($path) + { + if (!is_dir($path)) { + throw new Exception( + 'provided release path is not a directory: ' . PHP_EOL . $path + ); + } + + $files = $this->filesystem->getFiles($path); + + return $files; + } + + /** + * @param string $file + * @throws Exception + */ + private function executeUpdateFile($file) + { + if (!is_file($file)) { + throw new Exception( + 'provided path "' . $file . '" is not a file' + ); + } + + require $file; + } +}
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