1 files changed, 84 insertions, 0 deletions
diff --git a/lib/Migration/Version030000Date20210704120000.php b/lib/Migration/Version030000Date20210704120000.php
new file mode 100644
index 00000000..f2a05ec3
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+++ b/lib/Migration/Version030000Date20210704120000.php
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+<?php
+/**
+ * @copyright Copyright (c) 2021 René Gieling <github@dartcafe.de>
+ *
+ * @author René Gieling <github@dartcafe.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as
+ *  published by the Free Software Foundation, either version 3 of the
+ *  License, or (at your option) any later version.
+ *
+ *  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
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Polls\Migration;
+
+use OCP\DB\ISchemaWrapper;
+use OCP\IConfig;
+use OCP\IDBConnection;
+use OCP\Migration\SimpleMigrationStep;
+use OCP\Migration\IOutput;
+
+// use Doctrine\DBAL\Types\Type;
+
+/**
+ * Installation class for the polls app.
+ * Initial db creation
+ * Changed class naming: Version[jjmmpp]Date[YYYYMMDDHHMMSS]
+ * Version: jj = major version, mm = minor, pp = patch
+ */
+class Version030000Date20210704120000 extends SimpleMigrationStep {
+
+	/** @var IDBConnection */
+	protected $connection;
+
+	/** @var IConfig */
+	protected $config;
+
+	/** @var FixVotes */
+	protected $fixVotes;
+
+	public function __construct(IDBConnection $connection, IConfig $config, FixVotes $fixVotes) {
+		$this->connection = $connection;
+		$this->config = $config;
+		$this->fixVotes = $fixVotes;
+	}
+
+	/**
+	 * $schemaClosure The `\Closure` returns a `ISchemaWrapper`
+	 */
+	public function changeSchema(IOutput $output, \Closure $schemaClosure, array $options) {
+		/** @var ISchemaWrapper $schema */
+		$schema = $schemaClosure();
+
+		if ($schema->hasTable('polls_polls')) {
+			// Call initial migration from class TableSchema
+			// Drop old tables, which are migrated in prior versions
+			TableSchema::removeObsoleteTables($schema, $output);
+
+			// Drop old columns, which are migrated in prior versions
+			TableSchema::removeObsoleteColumns($schema, $output);
+		}
+
+		// Create tables, as defined in TableSchema or fix column definitions
+		TableSchema::CreateOrUpdateSchema($schema, $output);
+		// remove old migration entries from versions prior to polls 3.x
+		// including migration versions from test releases
+		// theoretically, only this migration should be existen. If not, no matter
+		TableSchema::removeObsoleteMigrations($this->connection, $output);
+
+		$this->fixVotes->run($output);
+
+		return $schema;
+	}
+}