Add a KnownUsers database with model

Signed-off-by: Joas Schilling <coding@schilljs.com>

2 files changed, 118 insertions, 0 deletions

diff --git a/lib/private/KnownUser/KnownUser.php b/lib/private/KnownUser/KnownUser.php
new file mode 100644
index 00000000000..939c9199c79
--- /dev/null
+++ b/lib/private/KnownUser/KnownUser.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
+ *
+ * @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 OC\KnownUser;
+
+use OCP\AppFramework\Db\Entity;
+
+/**
+ * @method void setKnownTo(string $knownTo)
+ * @method string getKnownTo()
+ * @method void setKnownUser(string $knownUser)
+ * @method string getKnownUser()
+ */
+class KnownUser extends Entity {
+
+	/** @var string */
+	protected $knownTo;
+
+	/** @var string */
+	protected $knownUser;
+
+	public function __construct() {
+		$this->addType('knownTo', 'string');
+		$this->addType('knownUser', 'string');
+	}
+}
diff --git a/lib/private/KnownUser/KnownUserMapper.php b/lib/private/KnownUser/KnownUserMapper.php
new file mode 100644
index 00000000000..86e13a2e2f0
--- /dev/null
+++ b/lib/private/KnownUser/KnownUserMapper.php
@@ -0,0 +1,72 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
+ *
+ * @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 OC\KnownUser;
+
+use OCP\AppFramework\Db\QBMapper;
+use OCP\IDBConnection;
+
+/**
+ * @method KnownUser mapRowToEntity(array $row)
+ */
+class KnownUserMapper extends QBMapper {
+
+	/**
+	 * @param IDBConnection $db
+	 */
+	public function __construct(IDBConnection $db) {
+		parent::__construct($db, 'known_users', KnownUser::class);
+	}
+
+	/**
+	 * @param string $knownTo
+	 * @return int Number of deleted entities
+	 */
+	public function deleteKnownTo(string $knownTo): int {
+		$query = $this->db->getQueryBuilder();
+		$query->delete($this->getTableName())
+			->where($query->expr()->eq('known_to', $query->createNamedParameter($knownTo)));
+
+		return (int) $query->execute();
+	}
+
+	/**
+	 * @param string $knownUser
+	 * @return int Number of deleted entities
+	 */
+	public function deleteKnownUser(string $knownUser): int {
+		$query = $this->db->getQueryBuilder();
+		$query->delete($this->getTableName())
+			->where($query->expr()->eq('known_user', $query->createNamedParameter($knownUser)));
+
+		return (int) $query->execute();
+	}
+
+	public function createKnownUserFromRow(array $row): KnownUser {
+		return $this->mapRowToEntity([
+			'id' => $row['s_id'],
+			'known_to' => $row['known_to'],
+			'known_user' => $row['known_user'],
+		]);
+	}
+}