Add ConfigMapper, similar to chat app. Also implement setCountry call, need to use and handle it on the interface now

db/configmapper.php

@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * ownCloud - ocsms
+ *
+ * This file is licensed under the Affero General Public License version 3 or
+ * later. See the COPYING file.
+ *
+ * @author Loic Blot <loic.blot@unix-experience.fr>
+ * @copyright Loic Blot 2014-2015
+ */
+
+namespace OCA\OcSms\Db;
+
+use OCP\AppFramework\Db\DoesNotExistException;
+use \OCP\AppFramework\Db\Mapper;
+use \OCP\IDb;
+
+class ConfigMapper extends Mapper {
+
+	/**
+	 * @var string ownCloud user id
+	 */
+	private $user;
+
+	/**
+	 * @var \OCP\Security\ICrypto
+	 */
+	private $crypto;
+
+	public function __construct(IDb $api, $user, $crypto){
+		parent::__construct($api, 'ocsms_config');
+		$this->user = $user;
+		$this->crypto = $crypto;
+	}
+
+	public function set($backend, $key, $value){
+		$value = $this->crypto->encrypt($value);
+		if($this->hasKey($key, $value)){
+			$sql = "UPDATE `*PREFIX*chat_config` SET `value` = ? WHERE `user` = ? AND `keyi` = ?";
+			$this->execute($sql, array($value, $this->user, $backend, $key));
+		} else {
+			$sql = "INSERT INTO `*PREFIX*chat_config` (`user`,`key`,`value`) VALUES (?,?,?);";
+			$this->execute($sql, array($this->user, $key, $value));
+		}
+	}
+
+	public function hasKey($key, $value){
+		try {
+			$sql = "SELECT key FROM `*PREFIX*ocsms_config` WHERE `key` = ? AND `user` = ?";
+			$this->findEntity($sql, array($key, $this->user));
+			return true;
+		} catch (DoesNotExistException $e){
+			return false;
+		}
+	}
+?>