Conversation Mapper addition + migration to proper scheme

db/conversationstatemapper.php

@@ -0,0 +1,88 @@
+<?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 2014-2016
+ */
+
+namespace OCA\OcSms\Db;
+
+use \OCP\IDb;
+
+use \OCP\AppFramework\Db\Mapper;
+
+use \OCA\OcSms\AppInfo\OcSmsApp;
+use \OCA\OcSms\Lib\PhoneNumberFormatter;
+
+class ConversationStateMapper extends Mapper {
+	public function __construct (IDb $db) {
+		parent::__construct($db, 'ocsms_smsdatas');
+	}
+
+	public function getLast ($userId) {
+		$sql = 'SELECT MAX(int_date) as mx FROM ' .
+		'*PREFIX*ocsms_conversation_read_states WHERE user_id = ?';
+
+		$query = \OCP\DB::prepare($sql);
+		$result = $query->execute(array($userId));
+
+		if ($row = $result->fetchRow()) {
+			return $row["mx"];
+		}
+
+		return 0;
+	}
+
+	public function getLastForPhoneNumber ($userId, $phoneNumber) {
+		$sql = 'SELECT MAX(int_date) as mx FROM ' .
+			'*PREFIX*ocsms_conversation_read_states WHERE user_id = ? AND phone_number = ?';
+
+		$query = \OCP\DB::prepare($sql);
+		$result = $query->execute(array($userId, $phoneNumber));
+
+		if ($row = $result->fetchRow()) {
+			return $row["mx"];
+		}
+
+		return 0;
+	}
+
+	public function setLast ($userId, $phoneNumber, $lastDate) {
+		\OCP\DB::beginTransaction();
+		$query = \OCP\DB::prepare('DELETE FROM *PREFIX*ocsms_conversation_read_states ' .
+			'WHERE user_id = ? AND phone_number = ?');
+		$query->execute(array($userId, $phoneNumber));
+
+		$query = \OCP\DB::prepare('INSERT INTO *PREFIX*ocsms_conversation_read_states' .
+			'(user_id, phone_number, int_date) VALUES ' .
+			'(?,?,?)');
+		$query->execute(array($userId, $phoneNumber, $lastDate));
+		\OCP\DB::commit();
+	}
+
+	/*
+	 * Migration steps
+	 */
+
+	public function migrate () {
+		$sql = 'SELECT user_id, datakey, datavalue FROM ' .
+			'*PREFIX*ocsms_user_datas WHERE datakey LIKE \'lastReadDate-%\'';
+
+		$query = \OCP\DB::prepare($sql);
+		$result = $query->execute(array());
+
+		while ($row = $result->fetchRow()) {
+			$pn = preg_replace("#lastReadDate[-]#", "", $row["datakey"]);
+			$this->setLast($row["user_id"], $pn, $row["datavalue"]);
+		};
+
+		$query = \OCP\DB::prepare("DELETE FROM *PREFIX*ocsms_user_datas WHERE datakey LIKE 'lastReadDate-%'");
+		$query->execute(array());
+	}
+}
+
+?>