Merge pull request #23572 from owncloud/stabe9-release-notes

[Stable9] release notes

6 files changed, 261 insertions, 3 deletions

diff --git a/core/command/upgrade.php b/core/command/upgrade.php
index c45984d7a30..a60eee9e327 100644
--- a/core/command/upgrade.php
+++ b/core/command/upgrade.php
@@ -30,6 +30,7 @@
 namespace OC\Core\Command;
 
 use OC\Console\TimestampFormatter;
+use OC\ReleaseNotes;
 use OC\Updater;
 use OCP\IConfig;
 use OCP\ILogger;
@@ -37,8 +38,9 @@ use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
 
-class Upgrade extends Command {
+class Upgrade extends Base {
 
 	const ERROR_SUCCESS = 0;
 	const ERROR_NOT_INSTALLED = 1;
@@ -53,17 +55,23 @@ class Upgrade extends Command {
 	/** @var ILogger */
 	private $logger;
 
+	/** @var ReleaseNotes */
+	private $releaseNotes;
+
 	/**
 	 * @param IConfig $config
 	 * @param ILogger $logger
+	 * @param ReleaseNotes $releaseNotes
 	 */
-	public function __construct(IConfig $config, ILogger $logger) {
+	public function __construct(IConfig $config, ILogger $logger, ReleaseNotes $releaseNotes) {
 		parent::__construct();
 		$this->config = $config;
 		$this->logger = $logger;
+		$this->releaseNotes = $releaseNotes;
 	}
 
 	protected function configure() {
+		parent::configure();
 		$this
 			->setName('upgrade')
 			->setDescription('run upgrade routines after installation of a new release. The release has to be installed before.')
@@ -95,6 +103,19 @@ class Upgrade extends Command {
 	 */
 	protected function execute(InputInterface $input, OutputInterface $output) {
 
+		if ($input->isInteractive()) {
+			$installedVersion = $this->config->getSystemValue('version', '0.0.0');
+			$currentVersion = implode('.', \OCP\Util::getVersion());
+
+			$releaseNotesArray = $this->releaseNotes->getReleaseNotes($installedVersion, $currentVersion);
+			if (!empty($releaseNotesArray)) {
+				$this->writeArrayInOutputFormat($input, $output, $releaseNotesArray);
+				if (!$this->ask($input, $output)){
+					return self::ERROR_SUCCESS;
+				}
+			}
+		}
+
 		$simulateStepEnabled = true;
 		$updateStepEnabled = true;
 		$skip3rdPartyAppsDisable = false;
@@ -262,4 +283,17 @@ class Upgrade extends Command {
 			);
 		}
 	}
+
+	/**
+	 * Ask for confirmation
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 * @return bool
+	 */
+	public function ask(InputInterface $input, OutputInterface $output){
+		$helper = $this->getHelper('question');
+		$question = new ConfirmationQuestion('Continue with update (y/n)' . PHP_EOL, true);
+		return $helper->ask($input, $output, $question);
+	}
+
 }
diff --git a/core/register_command.php b/core/register_command.php
index 17bd573133a..e06ff436f50 100644
--- a/core/register_command.php
+++ b/core/register_command.php
@@ -114,7 +114,11 @@ if (\OC::$server->getConfig()->getSystemValue('installed', false)) {
 	$application->add(new OC\Core\Command\Maintenance\Repair(new \OC\Repair(\OC\Repair::getRepairSteps()), \OC::$server->getConfig()));
 	$application->add(new OC\Core\Command\Maintenance\SingleUser(\OC::$server->getConfig()));
 
-	$application->add(new OC\Core\Command\Upgrade(\OC::$server->getConfig(), \OC::$server->getLogger()));
+	$application->add(new OC\Core\Command\Upgrade(
+		\OC::$server->getConfig(),
+		\OC::$server->getLogger(),
+		new \OC\ReleaseNotes(\OC::$server->getDatabaseConnection())
+	));
 
 	$application->add(new OC\Core\Command\User\Add(\OC::$server->getUserManager(), \OC::$server->getGroupManager()));
 	$application->add(new OC\Core\Command\User\Delete(\OC::$server->getUserManager()));
diff --git a/core/templates/update.admin.php b/core/templates/update.admin.php
index 75815de84bc..543820e054f 100644
--- a/core/templates/update.admin.php
+++ b/core/templates/update.admin.php
@@ -34,6 +34,11 @@
 		<div class="infogroup bold">
 			<?php p($l->t('Please make sure that the database, the config folder and the data folder have been backed up before proceeding.')) ?>
 		</div>
+		<?php foreach ($_['releaseNotes'] as $note): ?>
+		<div class="infogroup bold">
+			<?php p($note) ?>
+		</div>
+		<?php endforeach; ?>
 		<input class="updateButton" type="button" value="<?php p($l->t('Start update')) ?>">
 		<div class="infogroup">
 			<?php p($l->t('To avoid timeouts with larger installations, you can instead run the following command from your installation directory:')) ?>
diff --git a/lib/base.php b/lib/base.php
index 35c8592fe10..e77a07239c4 100644
--- a/lib/base.php
+++ b/lib/base.php
@@ -392,12 +392,15 @@ class OC {
 			$tmpl->assign('isAppsOnlyUpgrade', false);
 		}
 
+		$releaseNotes = new \OC\ReleaseNotes(\OC::$server->getDatabaseConnection());
+
 		// get third party apps
 		$ocVersion = \OCP\Util::getVersion();
 		$tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion));
 		$tmpl->assign('incompatibleAppsList', $appManager->getIncompatibleApps($ocVersion));
 		$tmpl->assign('productName', 'ownCloud'); // for now
 		$tmpl->assign('oldTheme', $oldTheme);
+		$tmpl->assign('releaseNotes', $releaseNotes->getReleaseNotes($installedVersion, $currentVersion));
 		$tmpl->printPage();
 	}
 
diff --git a/lib/private/releasenotes.php b/lib/private/releasenotes.php
new file mode 100644
index 00000000000..5da416c19f0
--- /dev/null
+++ b/lib/private/releasenotes.php
@@ -0,0 +1,109 @@
+<?php
+/**
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OC;
+
+use Doctrine\DBAL\Platforms\MySqlPlatform;
+use OCP\IDBConnection;
+
+/**
+ * Class to store release notes
+ */
+class ReleaseNotes {
+	 /** @var IDBConnection $dbConnection */
+	protected $dbConnection;
+
+	/**
+	 * @param IDBConnection $dbConnection
+	 */
+	public function __construct(IDBConnection $dbConnection) {
+		$this->dbConnection = $dbConnection;
+	}
+
+	/**
+	 * @param string $fromVersion
+	 * @param string $toVersion
+	 * @return string[]
+	 */
+	public function getReleaseNotes($fromVersion, $toVersion) {
+		$releaseNotes = [];
+		$l10n = \OC::$server->getL10N('core');
+
+		try {
+			$fromVersionMajorMinor = $this->getMajorMinor($fromVersion);
+		} catch (\InvalidArgumentException $e) {
+			$fromVersionMajorMinor = '';
+		}
+
+		try {
+			$toVersionMajorMinor = $this->getMajorMinor($toVersion);
+		} catch (\InvalidArgumentException $e) {
+			$toVersionMajorMinor = '';
+		}
+
+		if ($fromVersionMajorMinor === '8.2' && $toVersionMajorMinor === '9.0') {
+			if ($this->isMysql() && $this->countFilecacheEntries() > 200000) {
+				$releaseNotes[] = $l10n->t(
+					'Hint: You can speed up the upgrade by executing this SQL command manually: ALTER TABLE %s ADD COLUMN checksum varchar(255) DEFAULT NULL AFTER permissions;',
+					[$this->dbConnection->getQueryBuilder()->getTableName('filecache')]
+				);
+			}
+		}
+		return $releaseNotes;
+	}
+
+	/**
+	 * @return bool
+	 */
+	protected function isMysql(){
+		return $this->dbConnection->getDatabasePlatform() instanceof MySqlPlatform;
+	}
+
+	/**
+	 * Count entries in filecache table
+	 * @return int
+	 */
+	protected function countFilecacheEntries(){
+		$query = $this->dbConnection->getQueryBuilder();
+		$query->selectAlias($query->createFunction('COUNT(*)'), 'num_entries')
+			->from('filecache');
+
+		$result = $query->execute();
+		$row = $result->fetch();
+		$result->closeCursor();
+
+		return (int) $row['num_entries'];
+	}
+
+	/**
+	 * Strip everything except first digits
+	 * @param string $version
+	 * @return string
+	 * @throws \InvalidArgumentException
+	 */
+	private function getMajorMinor($version){
+		$versionArray = explode('.', $version);
+		if (count($versionArray) < 2) {
+			throw new \InvalidArgumentException('Version should have at least 2 parts separated by dot.');
+		}
+		return implode('.', [ $versionArray[0], $versionArray[1] ]);
+	}
+}
diff --git a/tests/lib/releasenotestest.php b/tests/lib/releasenotestest.php
new file mode 100644
index 00000000000..584f396038b
--- /dev/null
+++ b/tests/lib/releasenotestest.php
@@ -0,0 +1,103 @@
+<?php
+/**
+ * @author Victor Dubiniuk <dubiniuk@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace Test;
+
+class ReleaseNotesTest extends \Test\TestCase {
+
+	/**
+	 * @param bool $isMysql
+	 * @param int $fileCount
+	 * @return \PHPUnit_Framework_MockObject_MockObject|\OC\ReleaseNotes
+	 */
+	protected function getReleaseNotesMock($isMysql, $fileCount) {
+		$query = $this->getMockBuilder('OCP\DB\QueryBuilder\IQueryBuilder')
+			->disableOriginalConstructor()
+			->getMock();
+		$query->expects($this->any())
+			->method('getTableName')
+			->willReturnCallback(function($tableName) {
+				return 'ocx_' . $tableName;
+			});
+
+		$dbConnectionMock = $this->getMockBuilder('OCP\IDBConnection')
+			->disableOriginalConstructor()
+			->getMock();
+		$dbConnectionMock->expects($this->any())
+			->method('getQueryBuilder')
+			->willReturn($query);
+		$releaseNotesMock = $this->getMockBuilder('OC\ReleaseNotes')
+			->setConstructorArgs([$dbConnectionMock])
+			->setMethods(['isMysql', 'countFilecacheEntries'])
+			->getMock();
+
+		$releaseNotesMock->expects($this->any())
+			->method('isMysql')
+			->willReturn($isMysql);
+		$releaseNotesMock->expects($this->any())
+			->method('countFilecacheEntries')
+			->willReturn($fileCount);
+		return $releaseNotesMock;
+	}
+
+	public function data82to90() {
+		return [
+			[[], false, 20],
+			[[], true, 20],
+			[[], false, 1000000],
+			[['Hint: You can speed up the upgrade by executing this SQL command manually: ALTER TABLE ocx_filecache ADD COLUMN checksum varchar(255) DEFAULT NULL AFTER permissions;'], true, 1000000],
+		];
+	}
+
+	/**
+	 * @dataProvider data82to90
+	 *
+	 * @param string[] $expected
+	 * @param bool $isMysql
+	 * @param int $fileCount
+	 */
+	public function test82to90($expected, $isMysql, $fileCount) {
+		$releaseNotesMock = $this->getReleaseNotesMock($isMysql, $fileCount);
+		$actual = $releaseNotesMock->getReleaseNotes('8.2.22', '9.0.1');
+		$this->assertEquals($expected, $actual);
+	}
+
+	public function data90to91() {
+		return [
+			[false, 20],
+			[true, 20],
+			[false, 1000000],
+			[true, 1000000],
+		];
+	}
+
+	/**
+	 * @dataProvider data90to91
+	 *
+	 * @param bool $isMysql
+	 * @param int $fileCount
+	 */
+	public function test90to91($isMysql, $fileCount) {
+		$releaseNotesMock = $this->getReleaseNotesMock($isMysql, $fileCount);
+		$actual = $releaseNotesMock->getReleaseNotes('9.0.1', '9.1.0');
+		$this->assertCount(0, $actual);
+	}
+}