updater plugin, in progress

bl-plugins/updater/languages/en.json

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+{
+	"plugin-data":
+	{
+		"name": "Updater",
+		"description": ""
+	}
+}

bl-plugins/updater/metadata.json

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+{
+	"author": "Bludit",
+	"email": "",
+	"website": "https://plugins.bludit.com",
+	"version": "2.3",
+	"releaseDate": "2018-01-23",
+	"license": "MIT",
+	"compatible": "2.3",
+	"notes": ""
+}

bl-plugins/updater/plugin.php

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+<?php
+
+class pluginUpdater extends Plugin {
+
+	// Define if the extension zip is loaded
+	private $zip = false;
+
+	public function init()
+	{
+		// Disable default form buttons (Save and Cancel)
+		$this->formButtons = false;
+
+		// Check for zip extension installed
+		$this->zip = extension_loaded('zip');
+	}
+
+	// Install the plugin and create the workspace directory
+	public function install($position=0)
+	{
+		parent::install($position);
+		$workspace = $this->workspace();
+		return mkdir($workspace, 0755, true);
+	}
+
+	// Uninstall the plugin and delete the workspace directory
+	public function uninstall()
+	{
+		parent::uninstall();
+		$workspace = $this->workspace();
+		return Filesystem::deleteRecursive($workspace);
+	}
+
+	// Redefine workspace
+	public function workspace()
+	{
+		return PATH_CONTENT.'updater'.DS;
+	}
+
+	// Check if the root directory is writable
+	private function isWritable()
+	{
+		return is_writable(PATH_ROOT);
+	}
+
+	// Create a copy of all the system and compress it
+	// Returns the name of the backup directory
+	private function makeFullBackup()
+	{
+		$currentDate = Date::current(BACKUP_DATE_FORMAT);
+		$backupDirectory = $this->workspace().$currentDate;
+
+		// Copy all the files to a backup directory formed by date
+		Filesystem::copyRecursive(PATH_CONTENT, $backupDirectory, $backupDirectory);
+
+		// Compress the backup directory
+		if (Filesystem::zip($backupDirectory, $backupDirectory.'.zip')) {
+			Filesystem::deleteRecursive($backupDirectory);
+		}
+
+		return $backupDirectory;
+	}
+
+	// Download the latest version of Bludit
+	private function downloadLatestVersion()
+	{
+		TCP::download('https://bludit-latest.zip', $this->workspace().DS.'bludit-latest.zip');
+	}
+
+	public function post()
+	{
+		if (isset($_POST['createBackup'])) {
+			return $this->createBackup();
+		} elseif (isset($_POST['restoreBackup'])) {
+			return $this->restoreBackup($_POST['restoreBackup']);
+		} elseif (isset($_POST['deleteBackup'])) {
+			return $this->deleteBackup($_POST['deleteBackup']);
+		}
+
+		return false;
+	}
+
+	public function form()
+	{
+		global $Language;
+
+		$backups = Filesystem::listDirectories($this->workspace(), '*', true);
+		if ($this->zip) {
+			$backups = Filesystem::listFiles($this->workspace(), '*', 'zip', true);
+		}
+
+		$html  = '<div>';
+		$html .= '<button name="createBackup" value="true" class="left small blue" type="submit"><i class="uk-icon-plus"></i> '.$Language->get('create-backup').'</button>';
+		$html .= '</div>';
+		$html .= '<hr>';
+
+		foreach ($backups as $backup) {
+			$filename = pathinfo($backup,PATHINFO_FILENAME);
+			$basename = pathinfo($backup,PATHINFO_BASENAME);
+
+			$html .= '<div>';
+			$html .= '<h3>'.Date::format($filename, BACKUP_DATE_FORMAT, 'F j, Y, g:i a').'</h3>';
+			// Allow download if a zip file
+			if ($this->zip) {
+				$html .= '<a class="uk-button small left blue" href="'.DOMAIN_CONTENT.'backup/'.$filename.'.zip"><i class="uk-icon-download"></i> '.$Language->get('download').'</a>';
+			}
+			$html .= '<button name="restoreBackup" value="'.$filename.'" class="uk-button small left" type="submit"><i class="uk-icon-clock-o"></i> '.$Language->get('restore-backup').'</button>';
+			$html .= '<button name="deleteBackup"  value="'.$filename.'" class="uk-button small left" type="submit"><i class="uk-icon-trash-o"></i> '.$Language->get('delete-backup').'</button>';
+			$html .= '</div>';
+			$html .= '<hr>';
+		}
+		return $html;
+	}
+
+	public function createBackup()
+	{
+		// Current backup directory
+		$currentDate = Date::current(BACKUP_DATE_FORMAT);
+		$backupDir = $this->workspace().$currentDate;
+
+		// Copy directories to backup directory
+		// $directoriesToBackup is a private variable of this class
+		foreach ($this->directoriesToBackup as $dir) {
+			$destination = $backupDir.DS.basename($dir);
+			Filesystem::copyRecursive($dir, $destination);
+		}
+
+		// Compress backup directory
+		if ($this->zip) {
+			if (Filesystem::zip($backupDir, $backupDir.'.zip')) {
+				Filesystem::deleteRecursive($backupDir);
+			}
+		}
+
+		return true;
+	}
+
+	public function restoreBackup($filename)
+	{
+		// Remove current files
+		foreach ($this->directoriesToBackup as $dir) {
+			Filesystem::deleteRecursive($dir);
+		}
+
+		// Recover backuped files
+		// Zip format
+		if ($this->zip) {
+			$tmp = $this->workspace().$filename.'.zip';
+			return Filesystem::unzip($tmp, PATH_CONTENT);
+		}
+
+		// Directory format
+		$tmp = $this->workspace().$filename;
+		return Filesystem::copyRecursive($tmp, PATH_CONTENT);
+	}
+
+	public function deleteBackup($filename)
+	{
+		// Zip format
+		if ($this->zip) {
+			$tmp = $this->workspace().$filename.'.zip';
+			return Filesystem::rmfile($tmp);
+		}
+
+		// Directory format
+		$tmp = $this->workspace().$filename;
+		return Filesystem::deleteRecursive($tmp);
+	}
+}