Merge pull request #178 from stevleibelt/masterorigin/cli_testing

Implemented Command Line Tools in cli_testing branch

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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