Merge branch 'dev' into beta

Conflicts:
	CHANGELOG
	README.fr.md
	README.md
	app/Controllers/feedController.php
	app/Controllers/indexController.php
	app/i18n/en.php
	app/i18n/fr.php
	app/views/helpers/view/normal_view.phtml
	app/views/stats/index.phtml
	app/views/stats/repartition.phtml
	constants.php
	p/scripts/main.js

19 files changed, 957 insertions, 309 deletions

diff --git a/app/Models/Auth.php b/app/Models/Auth.php
new file mode 100644
index 000000000..2971d65c8
--- /dev/null
+++ b/app/Models/Auth.php
@@ -0,0 +1,232 @@
+<?php
+
+/**
+ * This class handles all authentication process.
+ */
+class FreshRSS_Auth {
+	/**
+	 * Determines if user is connected.
+	 */
+	private static $login_ok = false;
+
+	/**
+	 * This method initializes authentication system.
+	 */
+	public static function init() {
+		self::$login_ok = Minz_Session::param('loginOk', false);
+		$current_user = Minz_Session::param('currentUser', '');
+		if ($current_user === '') {
+			$current_user = Minz_Configuration::defaultUser();
+			Minz_Session::_param('currentUser', $current_user);
+		}
+
+		if (self::$login_ok) {
+			self::giveAccess();
+		} elseif (self::accessControl()) {
+			self::giveAccess();
+			FreshRSS_UserDAO::touch($current_user);
+		} else {
+			// Be sure all accesses are removed!
+			self::removeAccess();
+		}
+	}
+
+	/**
+	 * This method checks if user is allowed to connect.
+	 *
+	 * Required session parameters are also set in this method (such as
+	 * currentUser).
+	 *
+	 * @return boolean true if user can be connected, false else.
+	 */
+	private static function accessControl() {
+		switch (Minz_Configuration::authType()) {
+		case 'form':
+			$credentials = FreshRSS_FormAuth::getCredentialsFromCookie();
+			$current_user = '';
+			if (isset($credentials[1])) {
+				$current_user = trim($credentials[0]);
+				Minz_Session::_param('currentUser', $current_user);
+				Minz_Session::_param('passwordHash', trim($credentials[1]));
+			}
+			return $current_user != '';
+		case 'http_auth':
+			$current_user = httpAuthUser();
+			$login_ok = $current_user != '';
+			if ($login_ok) {
+				Minz_Session::_param('currentUser', $current_user);
+			}
+			return $login_ok;
+		case 'persona':
+			$email = filter_var(Minz_Session::param('mail'), FILTER_VALIDATE_EMAIL);
+			$persona_file = DATA_PATH . '/persona/' . $email . '.txt';
+			if (($current_user = @file_get_contents($persona_file)) !== false) {
+				$current_user = trim($current_user);
+				Minz_Session::_param('currentUser', $current_user);
+				Minz_Session::_param('mail', $email);
+				return true;
+			}
+			return false;
+		case 'none':
+			return true;
+		default:
+			// TODO load extension
+			return false;
+		}
+	}
+
+	/**
+	 * Gives access to the current user.
+	 */
+	public static function giveAccess() {
+		$current_user = Minz_Session::param('currentUser');
+		try {
+			$conf = new FreshRSS_Configuration($current_user);
+		} catch(Minz_Exception $e) {
+			die($e->getMessage());
+		}
+
+		switch (Minz_Configuration::authType()) {
+		case 'form':
+			self::$login_ok = Minz_Session::param('passwordHash') === $conf->passwordHash;
+			break;
+		case 'http_auth':
+			self::$login_ok = strcasecmp($current_user, httpAuthUser()) === 0;
+			break;
+		case 'persona':
+			self::$login_ok = strcasecmp(Minz_Session::param('mail'), $conf->mail_login) === 0;
+			break;
+		case 'none':
+			self::$login_ok = true;
+			break;
+		default:
+			// TODO: extensions
+			self::$login_ok = false;
+		}
+
+		Minz_Session::_param('loginOk', self::$login_ok);
+	}
+
+	/**
+	 * Returns if current user has access to the given scope.
+	 *
+	 * @param string $scope general (default) or admin
+	 * @return boolean true if user has corresponding access, false else.
+	 */
+	public static function hasAccess($scope = 'general') {
+		$ok = self::$login_ok;
+		switch ($scope) {
+		case 'general':
+			break;
+		case 'admin':
+			$ok &= Minz_Session::param('currentUser') === Minz_Configuration::defaultUser();
+			break;
+		default:
+			$ok = false;
+		}
+		return $ok;
+	}
+
+	/**
+	 * Removes all accesses for the current user.
+	 */
+	public static function removeAccess() {
+		Minz_Session::_param('loginOk');
+		self::$login_ok = false;
+		Minz_Session::_param('currentUser', Minz_Configuration::defaultUser());
+
+		switch (Minz_Configuration::authType()) {
+		case 'form':
+			Minz_Session::_param('passwordHash');
+			FreshRSS_FormAuth::deleteCookie();
+			break;
+		case 'persona':
+			Minz_Session::_param('mail');
+			break;
+		case 'http_auth':
+		case 'none':
+			// Nothing to do...
+			break;
+		default:
+			// TODO: extensions
+		}
+	}
+}
+
+
+class FreshRSS_FormAuth {
+	public static function checkCredentials($username, $hash, $nonce, $challenge) {
+		if (!ctype_alnum($username) ||
+				!ctype_graph($challenge) ||
+				!ctype_alnum($nonce)) {
+			Minz_Log::debug('Invalid credential parameters:' .
+			                ' user=' . $username .
+			                ' challenge=' . $challenge .
+			                ' nonce=' . $nonce);
+			return false;
+		}
+
+		if (!function_exists('password_verify')) {
+			include_once(LIB_PATH . '/password_compat.php');
+		}
+
+		return password_verify($nonce . $hash, $challenge);
+	}
+
+	public static function getCredentialsFromCookie() {
+		$token = Minz_Session::getLongTermCookie('FreshRSS_login');
+		if (!ctype_alnum($token)) {
+			return array();
+		}
+
+		$token_file = DATA_PATH . '/tokens/' . $token . '.txt';
+		$mtime = @filemtime($token_file);
+		if ($mtime + 2629744 < time()) {
+			// Token has expired (> 1 month) or does not exist.
+			// TODO: 1 month -> use a configuration instead
+			@unlink($token_file);
+			return array(); 	
+		}
+
+		$credentials = @file_get_contents($token_file);
+		return $credentials === false ? array() : explode("\t", $credentials, 2);
+	}
+
+	public static function makeCookie($username, $password_hash) {
+		do {
+			$token = sha1(Minz_Configuration::salt() . $username . uniqid(mt_rand(), true));
+			$token_file = DATA_PATH . '/tokens/' . $token . '.txt';
+		} while (file_exists($token_file));
+
+		if (@file_put_contents($token_file, $username . "\t" . $password_hash) === false) {
+			return false;
+		}
+
+		$expire = time() + 2629744;	//1 month	//TODO: Use a configuration instead
+		Minz_Session::setLongTermCookie('FreshRSS_login', $token, $expire);
+		return $token;
+	}
+
+	public static function deleteCookie() {
+		$token = Minz_Session::getLongTermCookie('FreshRSS_login');
+		Minz_Session::deleteLongTermCookie('FreshRSS_login');
+		if (ctype_alnum($token)) {
+			@unlink(DATA_PATH . '/tokens/' . $token . '.txt');
+		}
+
+		if (rand(0, 10) === 1) {
+			self::purgeTokens();
+		}
+	}
+
+	public static function purgeTokens() {
+		$oldest = time() - 2629744;	// 1 month	// TODO: Use a configuration instead
+		foreach (new DirectoryIterator(DATA_PATH . '/tokens/') as $file_info) {
+			// $extension = $file_info->getExtension(); doesn't work in PHP < 5.3.7
+			$extension = pathinfo($file_info->getFilename(), PATHINFO_EXTENSION);
+			if ($extension === 'txt' && $file_info->getMTime() < $oldest) {
+				@unlink($file_info->getPathname());
+			}
+		}
+	}
+}
diff --git a/app/Models/Category.php b/app/Models/Category.php
index 0a0dbd3ca..37cb44dc3 100644
--- a/app/Models/Category.php
+++ b/app/Models/Category.php
@@ -7,65 +7,65 @@ class FreshRSS_Category extends Minz_Model {
 	private $nbNotRead = -1;
 	private $feeds = null;
 
-	public function __construct ($name = '', $feeds = null) {
-		$this->_name ($name);
-		if (isset ($feeds)) {
-			$this->_feeds ($feeds);
+	public function __construct($name = '', $feeds = null) {
+		$this->_name($name);
+		if (isset($feeds)) {
+			$this->_feeds($feeds);
 			$this->nbFeed = 0;
 			$this->nbNotRead = 0;
 			foreach ($feeds as $feed) {
 				$this->nbFeed++;
-				$this->nbNotRead += $feed->nbNotRead ();
+				$this->nbNotRead += $feed->nbNotRead();
 			}
 		}
 	}
 
-	public function id () {
+	public function id() {
 		return $this->id;
 	}
-	public function name () {
+	public function name() {
 		return $this->name;
 	}
-	public function nbFeed () {
+	public function nbFeed() {
 		if ($this->nbFeed < 0) {
-			$catDAO = new FreshRSS_CategoryDAO ();
-			$this->nbFeed = $catDAO->countFeed ($this->id ());
+			$catDAO = new FreshRSS_CategoryDAO();
+			$this->nbFeed = $catDAO->countFeed($this->id());
 		}
 
 		return $this->nbFeed;
 	}
-	public function nbNotRead () {
+	public function nbNotRead() {
 		if ($this->nbNotRead < 0) {
-			$catDAO = new FreshRSS_CategoryDAO ();
-			$this->nbNotRead = $catDAO->countNotRead ($this->id ());
+			$catDAO = new FreshRSS_CategoryDAO();
+			$this->nbNotRead = $catDAO->countNotRead($this->id());
 		}
 
 		return $this->nbNotRead;
 	}
-	public function feeds () {
+	public function feeds() {
 		if ($this->feeds === null) {
 			$feedDAO = FreshRSS_Factory::createFeedDao();
-			$this->feeds = $feedDAO->listByCategory ($this->id ());
+			$this->feeds = $feedDAO->listByCategory($this->id());
 			$this->nbFeed = 0;
 			$this->nbNotRead = 0;
 			foreach ($this->feeds as $feed) {
 				$this->nbFeed++;
-				$this->nbNotRead += $feed->nbNotRead ();
+				$this->nbNotRead += $feed->nbNotRead();
 			}
 		}
 
 		return $this->feeds;
 	}
 
-	public function _id ($value) {
+	public function _id($value) {
 		$this->id = $value;
 	}
-	public function _name ($value) {
-		$this->name = $value;
+	public function _name($value) {
+		$this->name = substr(trim($value), 0, 255);
 	}
-	public function _feeds ($values) {
-		if (!is_array ($values)) {
-			$values = array ($values);
+	public function _feeds($values) {
+		if (!is_array($values)) {
+			$values = array($values);
 		}
 
 		$this->feeds = $values;
diff --git a/app/Models/CategoryDAO.php b/app/Models/CategoryDAO.php
index f11f87f47..2e333d2f1 100644
--- a/app/Models/CategoryDAO.php
+++ b/app/Models/CategoryDAO.php
@@ -1,19 +1,19 @@
 <?php
 
 class FreshRSS_CategoryDAO extends Minz_ModelPdo {
-	public function addCategory ($valuesTmp) {
-		$sql = 'INSERT INTO `' . $this->prefix . 'category` (name) VALUES(?)';
-		$stm = $this->bd->prepare ($sql);
+	public function addCategory($valuesTmp) {
+		$sql = 'INSERT INTO `' . $this->prefix . 'category`(name) VALUES(?)';
+		$stm = $this->bd->prepare($sql);
 
-		$values = array (
+		$values = array(
 			substr($valuesTmp['name'], 0, 255),
 		);
 
-		if ($stm && $stm->execute ($values)) {
+		if ($stm && $stm->execute($values)) {
 			return $this->bd->lastInsertId();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error addCategory: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error addCategory: ' . $info[2]	);
 			return false;
 		}
 	}
@@ -31,73 +31,73 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 		return $cat->id();
 	}
 
-	public function updateCategory ($id, $valuesTmp) {
+	public function updateCategory($id, $valuesTmp) {
 		$sql = 'UPDATE `' . $this->prefix . 'category` SET name=? WHERE id=?';
-		$stm = $this->bd->prepare ($sql);
+		$stm = $this->bd->prepare($sql);
 
-		$values = array (
+		$values = array(
 			$valuesTmp['name'],
 			$id
 		);
 
-		if ($stm && $stm->execute ($values)) {
+		if ($stm && $stm->execute($values)) {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateCategory: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateCategory: ' . $info[2]);
 			return false;
 		}
 	}
 
-	public function deleteCategory ($id) {
+	public function deleteCategory($id) {
 		$sql = 'DELETE FROM `' . $this->prefix . 'category` WHERE id=?';
-		$stm = $this->bd->prepare ($sql);
+		$stm = $this->bd->prepare($sql);
 
-		$values = array ($id);
+		$values = array($id);
 
-		if ($stm && $stm->execute ($values)) {
+		if ($stm && $stm->execute($values)) {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error deleteCategory: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error deleteCategory: ' . $info[2]);
 			return false;
 		}
 	}
 
-	public function searchById ($id) {
+	public function searchById($id) {
 		$sql = 'SELECT * FROM `' . $this->prefix . 'category` WHERE id=?';
-		$stm = $this->bd->prepare ($sql);
+		$stm = $this->bd->prepare($sql);
 
-		$values = array ($id);
+		$values = array($id);
 
-		$stm->execute ($values);
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
-		$cat = self::daoToCategory ($res);
+		$stm->execute($values);
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
+		$cat = self::daoToCategory($res);
 
-		if (isset ($cat[0])) {
+		if (isset($cat[0])) {
 			return $cat[0];
 		} else {
 			return null;
 		}
 	}
-	public function searchByName ($name) {
+	public function searchByName($name) {
 		$sql = 'SELECT * FROM `' . $this->prefix . 'category` WHERE name=?';
-		$stm = $this->bd->prepare ($sql);
+		$stm = $this->bd->prepare($sql);
 
-		$values = array ($name);
+		$values = array($name);
 
-		$stm->execute ($values);
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
-		$cat = self::daoToCategory ($res);
+		$stm->execute($values);
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
+		$cat = self::daoToCategory($res);
 
-		if (isset ($cat[0])) {
+		if (isset($cat[0])) {
 			return $cat[0];
 		} else {
 			return null;
 		}
 	}
 
-	public function listCategories ($prePopulateFeeds = true, $details = false) {
+	public function listCategories($prePopulateFeeds = true, $details = false) {
 		if ($prePopulateFeeds) {
 			$sql = 'SELECT c.id AS c_id, c.name AS c_name, '
 			     . ($details ? 'f.* ' : 'f.id, f.name, f.url, f.website, f.priority, f.error, f.cache_nbEntries, f.cache_nbUnreads ')
@@ -105,80 +105,80 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 			     . 'LEFT OUTER JOIN `' . $this->prefix . 'feed` f ON f.category=c.id '
 			     . 'GROUP BY f.id '
 			     . 'ORDER BY c.name, f.name';
-			$stm = $this->bd->prepare ($sql);
-			$stm->execute ();
-			return self::daoToCategoryPrepopulated ($stm->fetchAll (PDO::FETCH_ASSOC));
+			$stm = $this->bd->prepare($sql);
+			$stm->execute();
+			return self::daoToCategoryPrepopulated($stm->fetchAll(PDO::FETCH_ASSOC));
 		} else {
 			$sql = 'SELECT * FROM `' . $this->prefix . 'category` ORDER BY name';
-			$stm = $this->bd->prepare ($sql);
-			$stm->execute ();
-			return self::daoToCategory ($stm->fetchAll (PDO::FETCH_ASSOC));
+			$stm = $this->bd->prepare($sql);
+			$stm->execute();
+			return self::daoToCategory($stm->fetchAll(PDO::FETCH_ASSOC));
 		}
 	}
 
-	public function getDefault () {
+	public function getDefault() {
 		$sql = 'SELECT * FROM `' . $this->prefix . 'category` WHERE id=1';
-		$stm = $this->bd->prepare ($sql);
+		$stm = $this->bd->prepare($sql);
 
-		$stm->execute ();
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
-		$cat = self::daoToCategory ($res);
+		$stm->execute();
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
+		$cat = self::daoToCategory($res);
 
-		if (isset ($cat[0])) {
+		if (isset($cat[0])) {
 			return $cat[0];
 		} else {
 			return false;
 		}
 	}
-	public function checkDefault () {
-		$def_cat = $this->searchById (1);
+	public function checkDefault() {
+		$def_cat = $this->searchById(1);
 
 		if ($def_cat == null) {
-			$cat = new FreshRSS_Category (Minz_Translate::t ('default_category'));
-			$cat->_id (1);
+			$cat = new FreshRSS_Category(_t('default_category'));
+			$cat->_id(1);
 
-			$values = array (
-				'id' => $cat->id (),
-				'name' => $cat->name (),
+			$values = array(
+				'id' => $cat->id(),
+				'name' => $cat->name(),
 			);
 
-			$this->addCategory ($values);
+			$this->addCategory($values);
 		}
 	}
 
-	public function count () {
+	public function count() {
 		$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'category`';
-		$stm = $this->bd->prepare ($sql);
-		$stm->execute ();
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
+		$stm = $this->bd->prepare($sql);
+		$stm->execute();
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
 
 		return $res[0]['count'];
 	}
 
-	public function countFeed ($id) {
+	public function countFeed($id) {
 		$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'feed` WHERE category=?';
-		$stm = $this->bd->prepare ($sql);
-		$values = array ($id);
-		$stm->execute ($values);
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
+		$stm = $this->bd->prepare($sql);
+		$values = array($id);
+		$stm->execute($values);
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
 
 		return $res[0]['count'];
 	}
 
-	public function countNotRead ($id) {
+	public function countNotRead($id) {
 		$sql = 'SELECT COUNT(*) AS count FROM `' . $this->prefix . 'entry` e INNER JOIN `' . $this->prefix . 'feed` f ON e.id_feed=f.id WHERE category=? AND e.is_read=0';
-		$stm = $this->bd->prepare ($sql);
-		$values = array ($id);
-		$stm->execute ($values);
-		$res = $stm->fetchAll (PDO::FETCH_ASSOC);
+		$stm = $this->bd->prepare($sql);
+		$values = array($id);
+		$stm->execute($values);
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
 
 		return $res[0]['count'];
 	}
 
 	public static function findFeed($categories, $feed_id) {
 		foreach ($categories as $category) {
-			foreach ($category->feeds () as $feed) {
-				if ($feed->id () === $feed_id) {
+			foreach ($category->feeds() as $feed) {
+				if ($feed->id() === $feed_id) {
 					return $feed;
 				}
 			}
@@ -189,8 +189,8 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 	public static function CountUnreads($categories, $minPriority = 0) {
 		$n = 0;
 		foreach ($categories as $category) {
-			foreach ($category->feeds () as $feed) {
-				if ($feed->priority () >= $minPriority) {
+			foreach ($category->feeds() as $feed) {
+				if ($feed->priority() >= $minPriority) {
 					$n += $feed->nbNotRead();
 				}
 			}
@@ -198,11 +198,11 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 		return $n;
 	}
 
-	public static function daoToCategoryPrepopulated ($listDAO) {
-		$list = array ();
+	public static function daoToCategoryPrepopulated($listDAO) {
+		$list = array();
 
-		if (!is_array ($listDAO)) {
-			$listDAO = array ($listDAO);
+		if (!is_array($listDAO)) {
+			$listDAO = array($listDAO);
 		}
 
 		$previousLine = null;
@@ -210,11 +210,11 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 		foreach ($listDAO as $line) {
 			if ($previousLine['c_id'] != null && $line['c_id'] !== $previousLine['c_id']) {
 				// End of the current category, we add it to the $list
-				$cat = new FreshRSS_Category (
+				$cat = new FreshRSS_Category(
 					$previousLine['c_name'],
-					FreshRSS_FeedDAO::daoToFeed ($feedsDao, $previousLine['c_id'])
+					FreshRSS_FeedDAO::daoToFeed($feedsDao, $previousLine['c_id'])
 				);
-				$cat->_id ($previousLine['c_id']);
+				$cat->_id($previousLine['c_id']);
 				$list[$previousLine['c_id']] = $cat;
 
 				$feedsDao = array();	//Prepare for next category
@@ -226,29 +226,29 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo {
 
 		// add the last category
 		if ($previousLine != null) {
-			$cat = new FreshRSS_Category (
+			$cat = new FreshRSS_Category(
 				$previousLine['c_name'],
-				FreshRSS_FeedDAO::daoToFeed ($feedsDao, $previousLine['c_id'])
+				FreshRSS_FeedDAO::daoToFeed($feedsDao, $previousLine['c_id'])
 			);
-			$cat->_id ($previousLine['c_id']);
+			$cat->_id($previousLine['c_id']);
 			$list[$previousLine['c_id']] = $cat;
 		}
 
 		return $list;
 	}
 
-	public static function daoToCategory ($listDAO) {
-		$list = array ();
+	public static function daoToCategory($listDAO) {
+		$list = array();
 
-		if (!is_array ($listDAO)) {
-			$listDAO = array ($listDAO);
+		if (!is_array($listDAO)) {
+			$listDAO = array($listDAO);
 		}
 
 		foreach ($listDAO as $key => $dao) {
-			$cat = new FreshRSS_Category (
+			$cat = new FreshRSS_Category(
 				$dao['name']
 			);
-			$cat->_id ($dao['id']);
+			$cat->_id($dao['id']);
 			$list[$key] = $cat;
 		}
 
diff --git a/app/Models/Configuration.php b/app/Models/Configuration.php
index 95f819779..53f136513 100644
--- a/app/Models/Configuration.php
+++ b/app/Models/Configuration.php
@@ -14,7 +14,8 @@ class FreshRSS_Configuration {
 		'apiPasswordHash' => '',	//CRYPT_BLOWFISH
 		'posts_per_page' => 20,
 		'view_mode' => 'normal',
-		'default_view' => FreshRSS_Entry::STATE_NOT_READ,
+		'default_view' => 'adaptive',
+		'default_state' => FreshRSS_Entry::STATE_NOT_READ,
 		'auto_load_more' => true,
 		'display_posts' => false,
 		'display_categories' => false,
@@ -47,6 +48,7 @@ class FreshRSS_Configuration {
 			'focus_search' => 'a',
 			'user_filter' => 'u',
 			'help' => 'f1',
+			'close_dropdown' => 'escape',
 		),
 		'topline_read' => true,
 		'topline_favorite' => true,
@@ -139,44 +141,48 @@ class FreshRSS_Configuration {
 		}
 		$this->data['language'] = $value;
 	}
-	public function _posts_per_page ($value) {
+	public function _posts_per_page($value) {
 		$value = intval($value);
 		$this->data['posts_per_page'] = $value > 0 ? $value : 10;
 	}
-	public function _view_mode ($value) {
+	public function _view_mode($value) {
 		if ($value === 'global' || $value === 'reader') {
 			$this->data['view_mode'] = $value;
 		} else {
 			$this->data['view_mode'] = 'normal';
 		}
 	}
-	public function _default_view ($value) {
+	public function _default_view($value) {
 		switch ($value) {
-		case FreshRSS_Entry::STATE_ALL:
-			// left blank on purpose
-		case FreshRSS_Entry::STATE_NOT_READ:
-			// left blank on purpose
-		case FreshRSS_Entry::STATE_STRICT + FreshRSS_Entry::STATE_NOT_READ:
+		case 'all':
 			$this->data['default_view'] = $value;
+			$this->data['default_state'] = (FreshRSS_Entry::STATE_READ +
+			                                FreshRSS_Entry::STATE_NOT_READ);
 			break;
+		case 'adaptive':
+		case 'unread':
 		default:
-			$this->data['default_view'] = FreshRSS_Entry::STATE_ALL;
-			break;
+			$this->data['default_view'] = $value;
+			$this->data['default_state'] = FreshRSS_Entry::STATE_NOT_READ;
 		}
 	}
-	public function _display_posts ($value) {
+	public function _default_state($value) {
+		$this->data['default_state'] = (int)$value;
+	}
+
+	public function _display_posts($value) {
 		$this->data['display_posts'] = ((bool)$value) && $value !== 'no';
 	}
-	public function _display_categories ($value) {
+	public function _display_categories($value) {
 		$this->data['display_categories'] = ((bool)$value) && $value !== 'no';
 	}
 	public function _hide_read_feeds($value) {
 		$this->data['hide_read_feeds'] = (bool)$value;
 	}
-	public function _onread_jump_next ($value) {
+	public function _onread_jump_next($value) {
 		$this->data['onread_jump_next'] = ((bool)$value) && $value !== 'no';
 	}
-	public function _lazyload ($value) {
+	public function _lazyload($value) {
 		$this->data['lazyload'] = ((bool)$value) && $value !== 'no';
 	}
 	public function _sticky_post($value) {
@@ -185,7 +191,7 @@ class FreshRSS_Configuration {
 	public function _reading_confirm($value) {
 		$this->data['reading_confirm'] = ((bool)$value) && $value !== 'no';
 	}
-	public function _sort_order ($value) {
+	public function _sort_order($value) {
 		$this->data['sort_order'] = $value === 'ASC' ? 'ASC' : 'DESC';
 	}
 	public function _old_entries($value) {
@@ -200,20 +206,20 @@ class FreshRSS_Configuration {
 		$value = intval($value);
 		$this->data['ttl_default'] = $value >= -1 ? $value : 3600;
 	}
-	public function _shortcuts ($values) {
+	public function _shortcuts($values) {
 		foreach ($values as $key => $value) {
 			if (isset($this->data['shortcuts'][$key])) {
 				$this->data['shortcuts'][$key] = $value;
 			}
 		}
 	}
-	public function _passwordHash ($value) {
+	public function _passwordHash($value) {
 		$this->data['passwordHash'] = ctype_graph($value) && (strlen($value) >= 60) ? $value : '';
 	}
-	public function _apiPasswordHash ($value) {
+	public function _apiPasswordHash($value) {
 		$this->data['apiPasswordHash'] = ctype_graph($value) && (strlen($value) >= 60) ? $value : '';
 	}
-	public function _mail_login ($value) {
+	public function _mail_login($value) {
 		$value = filter_var($value, FILTER_VALIDATE_EMAIL);
 		if ($value) {
 			$this->data['mail_login'] = $value;
@@ -221,17 +227,17 @@ class FreshRSS_Configuration {
 			$this->data['mail_login'] = '';
 		}
 	}
-	public function _anon_access ($value) {
+	public function _anon_access($value) {
 		$this->data['anon_access'] = ((bool)$value) && $value !== 'no';
 	}
-	public function _mark_when ($values) {
+	public function _mark_when($values) {
 		foreach ($values as $key => $value) {
 			if (isset($this->data['mark_when'][$key])) {
 				$this->data['mark_when'][$key] = ((bool)$value) && $value !== 'no';
 			}
 		}
 	}
-	public function _sharing ($values) {
+	public function _sharing($values) {
 		$this->data['sharing'] = array();
 		$unique = array();
 		foreach ($values as $value) {
@@ -242,7 +248,7 @@ class FreshRSS_Configuration {
 			// Verify URL and add default value when needed
 			if (isset($value['url'])) {
 				$is_url = (
-					filter_var ($value['url'], FILTER_VALIDATE_URL) ||
+					filter_var($value['url'], FILTER_VALIDATE_URL) ||
 					(version_compare(PHP_VERSION, '5.3.3', '<') &&
 						(strpos($value, '-') > 0) &&
 						($value === filter_var($value, FILTER_SANITIZE_URL)))
@@ -266,7 +272,7 @@ class FreshRSS_Configuration {
 			}
 		}
 	}
-	public function _queries ($values) {
+	public function _queries($values) {
 		$this->data['queries'] = array();
 		foreach ($values as $value) {
 			$value = array_filter($value);
@@ -291,7 +297,7 @@ class FreshRSS_Configuration {
 		}
 	}
 	
-	public function _html5_notif_timeout ($value) {
+	public function _html5_notif_timeout($value) {
 		$value = intval($value);
 		$this->data['html5_notif_timeout'] = $value >= 0 ? $value : 0;
 	}
diff --git a/app/Models/Context.php b/app/Models/Context.php
new file mode 100644
index 000000000..36c4087eb
--- /dev/null
+++ b/app/Models/Context.php
@@ -0,0 +1,268 @@
+<?php
+
+/**
+ * The context object handles the current configuration file and different
+ * useful functions associated to the current view state.
+ */
+class FreshRSS_Context {
+	public static $conf = null;
+	public static $categories = array();
+
+	public static $name = '';
+
+	public static $total_unread = 0;
+	public static $total_starred = array(
+		'all' => 0,
+		'read' => 0,
+		'unread' => 0,
+	);
+
+	public static $get_unread = 0;
+	public static $current_get = array(
+		'all' => false,
+		'starred' => false,
+		'feed' => false,
+		'category' => false,
+	);
+	public static $next_get = 'a';
+
+	public static $state = 0;
+	public static $order = 'DESC';
+	public static $number = 0;
+	public static $search = '';
+	public static $first_id = '';
+	public static $next_id = '';
+	public static $id_max = '';
+
+	/**
+	 * Initialize the context.
+	 *
+	 * Set the correct $conf and $categories variables.
+	 */
+	public static function init() {
+		// Init configuration.
+		$current_user = Minz_Session::param('currentUser');
+		try {
+			self::$conf = new FreshRSS_Configuration($current_user);
+		} catch(Minz_Exception $e) {
+			Minz_Log::error('Cannot load configuration file of user `' . $current_user . '`');
+			die($e->getMessage());
+		}
+
+		$catDAO = new FreshRSS_CategoryDAO();
+		self::$categories = $catDAO->listCategories();
+	}
+
+	/**
+	 * Returns if the current state includes $state parameter.
+	 */
+	public static function isStateEnabled($state) {
+		return self::$state & $state;
+	}
+
+	/**
+	 * Returns the current state with or without $state parameter.
+	 */
+	public static function getRevertState($state) {
+		if (self::$state & $state) {
+			return self::$state & ~$state;
+		} else {
+			return self::$state | $state;
+		}
+	}
+
+	/**
+	 * Return the current get as a string or an array.
+	 *
+	 * If $array is true, the first item of the returned value is 'f' or 'c' and
+	 * the second is the id.
+	 */
+	public static function currentGet($array = false) {
+		if (self::$current_get['all']) {
+			return 'a';
+		} elseif (self::$current_get['starred']) {
+			return 's';
+		} elseif (self::$current_get['feed']) {
+			if ($array) {
+				return array('f', self::$current_get['feed']);
+			} else {
+				return 'f_' . self::$current_get['feed'];
+			}
+		} elseif (self::$current_get['category']) {
+			if ($array) {
+				return array('c', self::$current_get['category']);
+			} else {
+				return 'c_' . self::$current_get['category'];
+			}
+		}
+	}
+
+	/**
+	 * Return true if $get parameter correspond to the $current_get attribute.
+	 */
+	public static function isCurrentGet($get) {
+		$type = $get[0];
+		$id = substr($get, 2);
+
+		switch($type) {
+		case 'a':
+			return self::$current_get['all'];
+		case 's':
+			return self::$current_get['starred'];
+		case 'f':
+			return self::$current_get['feed'] == $id;
+		case 'c':
+			return self::$current_get['category'] == $id;
+		default:
+			return false;
+		}
+	}
+
+	/**
+	 * Set the current $get attribute.
+	 *
+	 * Valid $get parameter are:
+	 *   - a
+	 *   - s
+	 *   - f_<feed id>
+	 *   - c_<category id>
+	 *
+	 * $name and $get_unread attributes are also updated as $next_get
+	 * Raise an exception if id or $get is invalid.
+	 */
+	public static function _get($get) {
+		$type = $get[0];
+		$id = substr($get, 2);
+		$nb_unread = 0;
+
+		switch($type) {
+		case 'a':
+			self::$current_get['all'] = true;
+			self::$name = _t('your_rss_feeds');
+			self::$get_unread = self::$total_unread;
+			break;
+		case 's':
+			self::$current_get['starred'] = true;
+			self::$name = _t('your_favorites');
+			self::$get_unread = self::$total_starred['unread'];
+
+			// Update state if favorite is not yet enabled.
+			self::$state = self::$state | FreshRSS_Entry::STATE_FAVORITE;
+			break;
+		case 'f':
+			// We try to find the corresponding feed.
+			$feed = FreshRSS_CategoryDAO::findFeed(self::$categories, $id);
+			if ($feed === null) {
+				$feedDAO = FreshRSS_Factory::createFeedDao();
+				$feed = $feedDAO->searchById($id);
+
+				if (!$feed) {
+					throw new FreshRSS_Context_Exception('Invalid feed: ' . $id);
+				}
+			}
+
+			self::$current_get['feed'] = $id;
+			self::$current_get['category'] = $feed->category();
+			self::$name = $feed->name();
+			self::$get_unread = $feed->nbNotRead();
+			break;
+		case 'c':
+			// We try to find the corresponding category.
+			self::$current_get['category'] = $id;
+			if (!isset(self::$categories[$id])) {
+				$catDAO = new FreshRSS_CategoryDAO();
+				$cat = $catDAO->searchById($id);
+
+				if (!$cat) {
+					throw new FreshRSS_Context_Exception('Invalid category: ' . $id);
+				}
+			} else {
+				$cat = self::$categories[$id];
+			}
+
+			self::$name = $cat->name();
+			self::$get_unread = $cat->nbNotRead();
+			break;
+		default:
+			throw new FreshRSS_Context_Exception('Invalid getter: ' . $get);
+		}
+
+		self::_nextGet();
+	}
+
+	/**
+	 * Set the value of $next_get attribute.
+	 */
+	public static function _nextGet() {
+		$get = self::currentGet();
+		// By default, $next_get == $get
+		self::$next_get = $get;
+
+		if (self::$conf->onread_jump_next && strlen($get) > 2) {
+			$another_unread_id = '';
+			$found_current_get = false;
+			switch ($get[0]) {
+			case 'f':
+				// We search the next feed with at least one unread article in
+				// same category as the currend feed.
+				foreach (self::$categories as $cat) {
+					if ($cat->id() != self::$current_get['category']) {
+						// We look into the category of the current feed!
+						continue;
+					}
+
+					foreach ($cat->feeds() as $feed) {
+						if ($feed->id() == self::$current_get['feed']) {
+							// Here is our current feed! Fine, the next one will
+							// be a potential candidate.
+							$found_current_get = true;
+							continue;
+						}
+
+						if ($feed->nbNotRead() > 0) {
+							$another_unread_id = $feed->id();
+							if ($found_current_get) {
+								// We have found our current feed and now we
+								// have an feed with unread articles. Leave the
+								// loop!
+								break;
+							}
+						}
+					}
+					break;
+				}
+
+				// If no feed have been found, next_get is the current category.
+				self::$next_get = empty($another_unread_id) ?
+				                  'c_' . self::$current_get['category'] :
+				                  'f_' . $another_unread_id;
+				break;
+			case 'c':
+				// We search the next category with at least one unread article.
+				foreach (self::$categories as $cat) {
+					if ($cat->id() == self::$current_get['category']) {
+						// Here is our current category! Next one could be our
+						// champion if it has unread articles.
+						$found_current_get = true;
+						continue;
+					}
+
+					if ($cat->nbNotRead() > 0) {
+						$another_unread_id = $cat->id();
+						if ($found_current_get) {
+							// Unread articles and the current category has
+							// already been found? Leave the loop!
+							break;
+						}
+					}
+				}
+
+				// No unread category? The main stream will be our destination!
+				self::$next_get = empty($another_unread_id) ?
+				                  'a' :
+				                  'c_' . $another_unread_id;
+				break;
+			}
+		}
+	}
+}
diff --git a/app/Models/DatabaseDAO.php b/app/Models/DatabaseDAO.php
new file mode 100644
index 000000000..0d85718e3
--- /dev/null
+++ b/app/Models/DatabaseDAO.php
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * This class is used to test database is well-constructed.
+ */
+class FreshRSS_DatabaseDAO extends Minz_ModelPdo {
+	public function tablesAreCorrect() {
+		$sql = 'SHOW TABLES';
+		$stm = $this->bd->prepare($sql);
+		$stm->execute();
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
+		
+		$tables = array(
+			$this->prefix . 'category' => false,
+			$this->prefix . 'feed' => false,
+			$this->prefix . 'entry' => false,
+		);
+		foreach ($res as $value) {
+			$tables[array_pop($value)] = true;
+		}
+
+		return count(array_keys($tables, true, true)) == count($tables);
+	}
+
+	public function getSchema($table) {
+		$sql = 'DESC ' . $this->prefix . $table;
+		$stm = $this->bd->prepare($sql);
+		$stm->execute();
+
+		return $this->listDaoToSchema($stm->fetchAll(PDO::FETCH_ASSOC));
+	}
+
+	public function checkTable($table, $schema) {
+		$columns = $this->getSchema($table);
+
+		$ok = (count($columns) == count($schema));
+		foreach ($columns as $c) {
+			$ok &= in_array($c['name'], $schema);
+		}
+
+		return $ok;
+	}
+
+	public function categoryIsCorrect() {
+		return $this->checkTable('category', array(
+			'id', 'name'
+		));
+	}
+
+	public function feedIsCorrect() {
+		return $this->checkTable('feed', array(
+			'id', 'url', 'category', 'name', 'website', 'description', 'lastUpdate',
+			'priority', 'pathEntries', 'httpAuth', 'error', 'keep_history', 'ttl',
+			'cache_nbEntries', 'cache_nbUnreads'
+		));
+	}
+
+	public function entryIsCorrect() {
+		return $this->checkTable('entry', array(
+			'id', 'guid', 'title', 'author', 'content_bin', 'link', 'date', 'is_read',
+			'is_favorite', 'id_feed', 'tags'
+		));
+	}
+
+	public function daoToSchema($dao) {
+		return array(
+			'name' => $dao['Field'],
+			'type' => strtolower($dao['Type']),
+			'notnull' => (bool)$dao['Null'],
+			'default' => $dao['Default'],
+		);
+	}
+
+	public function listDaoToSchema($listDAO) {
+		$list = array();
+
+		foreach ($listDAO as $dao) {
+			$list[] = $this->daoToSchema($dao);
+		}
+
+		return $list;
+	}
+}
diff --git a/app/Models/DatabaseDAOSQLite.php b/app/Models/DatabaseDAOSQLite.php
new file mode 100644
index 000000000..7f53f967d
--- /dev/null
+++ b/app/Models/DatabaseDAOSQLite.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * This class is used to test database is well-constructed (SQLite).
+ */
+class FreshRSS_DatabaseDAOSQLite extends FreshRSS_DatabaseDAO {
+	public function tablesAreCorrect() {
+		$sql = 'SELECT name FROM sqlite_master WHERE type="table"';
+		$stm = $this->bd->prepare($sql);
+		$stm->execute();
+		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
+		
+		$tables = array(
+			'category' => false,
+			'feed' => false,
+			'entry' => false,
+		);
+		foreach ($res as $value) {
+			$tables[$value['name']] = true;
+		}
+
+		return count(array_keys($tables, true, true)) == count($tables);
+	}
+
+	public function getSchema($table) {
+		$sql = 'PRAGMA table_info(' . $table . ')';
+		$stm = $this->bd->prepare($sql);
+		$stm->execute();
+
+		return $this->listDaoToSchema($stm->fetchAll(PDO::FETCH_ASSOC));
+	}
+
+	public function entryIsCorrect() {
+		return $this->checkTable('entry', array(
+			'id', 'guid', 'title', 'author', 'content', 'link', 'date', 'is_read',
+			'is_favorite', 'id_feed', 'tags'
+		));
+	}
+
+	public function daoToSchema($dao) {
+		return array(
+			'name' => $dao['name'],
+			'type' => strtolower($dao['type']),
+			'notnull' => $dao['notnull'] === '1' ? true : false,
+			'default' => $dao['dflt_value'],
+		);
+	}
+}
diff --git a/app/Models/Entry.php b/app/Models/Entry.php
index 9d7dd5dc4..346c98a92 100644
--- a/app/Models/Entry.php
+++ b/app/Models/Entry.php
@@ -1,12 +1,11 @@
 <?php
 
 class FreshRSS_Entry extends Minz_Model {
-	const STATE_ALL = 0;
 	const STATE_READ = 1;
 	const STATE_NOT_READ = 2;
+	const STATE_ALL = 3;
 	const STATE_FAVORITE = 4;
 	const STATE_NOT_FAVORITE = 8;
-	const STATE_STRICT = 16;
 
 	private $id = 0;
 	private $guid;
@@ -20,134 +19,134 @@ class FreshRSS_Entry extends Minz_Model {
 	private $feed;
 	private $tags;
 
-	public function __construct ($feed = '', $guid = '', $title = '', $author = '', $content = '',
-	                             $link = '', $pubdate = 0, $is_read = false, $is_favorite = false, $tags = '') {
-		$this->_guid ($guid);
-		$this->_title ($title);
-		$this->_author ($author);
-		$this->_content ($content);
-		$this->_link ($link);
-		$this->_date ($pubdate);
-		$this->_isRead ($is_read);
-		$this->_isFavorite ($is_favorite);
-		$this->_feed ($feed);
-		$this->_tags (preg_split('/[\s#]/', $tags));
+	public function __construct($feed = '', $guid = '', $title = '', $author = '', $content = '',
+	                            $link = '', $pubdate = 0, $is_read = false, $is_favorite = false, $tags = '') {
+		$this->_guid($guid);
+		$this->_title($title);
+		$this->_author($author);
+		$this->_content($content);
+		$this->_link($link);
+		$this->_date($pubdate);
+		$this->_isRead($is_read);
+		$this->_isFavorite($is_favorite);
+		$this->_feed($feed);
+		$this->_tags(preg_split('/[\s#]/', $tags));
 	}
 
-	public function id () {
+	public function id() {
 		return $this->id;
 	}
-	public function guid () {
+	public function guid() {
 		return $this->guid;
 	}
-	public function title () {
+	public function title() {
 		return $this->title;
 	}
-	public function author () {
+	public function author() {
 		return $this->author === null ? '' : $this->author;
 	}
-	public function content () {
+	public function content() {
 		return $this->content;
 	}
-	public function link () {
+	public function link() {
 		return $this->link;
 	}
-	public function date ($raw = false) {
+	public function date($raw = false) {
 		if ($raw) {
 			return $this->date;
 		} else {
-			return timestamptodate ($this->date);
+			return timestamptodate($this->date);
 		}
 	}
-	public function dateAdded ($raw = false) {
+	public function dateAdded($raw = false) {
 		$date = intval(substr($this->id, 0, -6));
 		if ($raw) {
 			return $date;
 		} else {
-			return timestamptodate ($date);
+			return timestamptodate($date);
 		}
 	}
-	public function isRead () {
+	public function isRead() {
 		return $this->is_read;
 	}
-	public function isFavorite () {
+	public function isFavorite() {
 		return $this->is_favorite;
 	}
-	public function feed ($object = false) {
+	public function feed($object = false) {
 		if ($object) {
 			$feedDAO = FreshRSS_Factory::createFeedDao();
-			return $feedDAO->searchById ($this->feed);
+			return $feedDAO->searchById($this->feed);
 		} else {
 			return $this->feed;
 		}
 	}
-	public function tags ($inString = false) {
+	public function tags($inString = false) {
 		if ($inString) {
-			return empty ($this->tags) ? '' : '#' . implode(' #', $this->tags);
+			return empty($this->tags) ? '' : '#' . implode(' #', $this->tags);
 		} else {
 			return $this->tags;
 		}
 	}
 
-	public function _id ($value) {
+	public function _id($value) {
 		$this->id = $value;
 	}
-	public function _guid ($value) {
+	public function _guid($value) {
 		$this->guid = $value;
 	}
-	public function _title ($value) {
+	public function _title($value) {
 		$this->title = $value;
 	}
-	public function _author ($value) {
+	public function _author($value) {
 		$this->author = $value;
 	}
-	public function _content ($value) {
+	public function _content($value) {
 		$this->content = $value;
 	}
-	public function _link ($value) {
+	public function _link($value) {
 		$this->link = $value;
 	}
-	public function _date ($value) {
+	public function _date($value) {
 		$value = intval($value);
 		$this->date = $value > 1 ? $value : time();
 	}
-	public function _isRead ($value) {
+	public function _isRead($value) {
 		$this->is_read = $value;
 	}
-	public function _isFavorite ($value) {
+	public function _isFavorite($value) {
 		$this->is_favorite = $value;
 	}
-	public function _feed ($value) {
+	public function _feed($value) {
 		$this->feed = $value;
 	}
-	public function _tags ($value) {
-		if (!is_array ($value)) {
-			$value = array ($value);
+	public function _tags($value) {
+		if (!is_array($value)) {
+			$value = array($value);
 		}
 
 		foreach ($value as $key => $t) {
 			if (!$t) {
-				unset ($value[$key]);
+				unset($value[$key]);
 			}
 		}
 
 		$this->tags = $value;
 	}
 
-	public function isDay ($day, $today) {
+	public function isDay($day, $today) {
 		$date = $this->dateAdded(true);
 		switch ($day) {
-			case FreshRSS_Days::TODAY:
-				$tomorrow = $today + 86400;
-				return $date >= $today && $date < $tomorrow;
-			case FreshRSS_Days::YESTERDAY:
-				$yesterday = $today - 86400;
-				return $date >= $yesterday && $date < $today;
-			case FreshRSS_Days::BEFORE_YESTERDAY:
-				$yesterday = $today - 86400;
-				return $date < $yesterday;
-			default:
-				return false;
+		case FreshRSS_Days::TODAY:
+			$tomorrow = $today + 86400;
+			return $date >= $today && $date < $tomorrow;
+		case FreshRSS_Days::YESTERDAY:
+			$yesterday = $today - 86400;
+			return $date >= $yesterday && $date < $today;
+		case FreshRSS_Days::BEFORE_YESTERDAY:
+			$yesterday = $today - 86400;
+			return $date < $yesterday;
+		default:
+			return false;
 		}
 	}
 
@@ -158,7 +157,7 @@ class FreshRSS_Entry extends Minz_Model {
 			$entryDAO = FreshRSS_Factory::createEntryDao();
 			$entry = $entryDAO->searchByGuid($this->feed, $this->guid);
 
-			if($entry) {
+			if ($entry) {
 				// l'article existe déjà en BDD, en se contente de recharger ce contenu
 				$this->content = $entry->content();
 			} else {
@@ -168,25 +167,25 @@ class FreshRSS_Entry extends Minz_Model {
 						htmlspecialchars_decode($this->link(), ENT_QUOTES), $pathEntries
 					);
 				} catch (Exception $e) {
-					// rien à faire, on garde l'ancien contenu (requête a échoué)
+					// rien à faire, on garde l'ancien contenu(requête a échoué)
 				}
 			}
 		}
 	}
 
-	public function toArray () {
-		return array (
-			'id' => $this->id (),
-			'guid' => $this->guid (),
-			'title' => $this->title (),
-			'author' => $this->author (),
-			'content' => $this->content (),
-			'link' => $this->link (),
-			'date' => $this->date (true),
-			'is_read' => $this->isRead (),
-			'is_favorite' => $this->isFavorite (),
-			'id_feed' => $this->feed (),
-			'tags' => $this->tags (true),
+	public function toArray() {
+		return array(
+			'id' => $this->id(),
+			'guid' => $this->guid(),
+			'title' => $this->title(),
+			'author' => $this->author(),
+			'content' => $this->content(),
+			'link' => $this->link(),
+			'date' => $this->date(true),
+			'is_read' => $this->isRead(),
+			'is_favorite' => $this->isFavorite(),
+			'id_feed' => $this->feed(),
+			'tags' => $this->tags(true),
 		);
 	}
 }
diff --git a/app/Models/EntryDAO.php b/app/Models/EntryDAO.php
index c1f87ee34..5d2909c62 100644
--- a/app/Models/EntryDAO.php
+++ b/app/Models/EntryDAO.php
@@ -40,11 +40,11 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
 			if ((int)($info[0] / 1000) !== 23) {	//Filter out "SQLSTATE Class code 23: Constraint Violation" because of expected duplicate entries
-				Minz_Log::record('SQL error addEntry: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
-				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title'], Minz_Log::ERROR);
+				Minz_Log::error('SQL error addEntry: ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
+				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title']);
 			} /*else {
-				Minz_Log::record ('SQL error ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
-				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title'], Minz_Log::DEBUG);
+				Minz_Log::debug('SQL error ' . $info[0] . ': ' . $info[1] . ' ' . $info[2]
+				. ' while adding entry in feed ' . $valuesTmp['id_feed'] . ' with title: ' . $valuesTmp['title']);
 			}*/
 			return false;
 		}
@@ -94,7 +94,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markFavorite: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markFavorite: ' . $info[2]);
 			return false;
 		}
 	}
@@ -124,7 +124,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			return true;
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateCacheUnreads: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateCacheUnreads: ' . $info[2]);
 			return false;
 		}
 	}
@@ -147,7 +147,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			$stm = $this->bd->prepare($sql);
 			if (!($stm && $stm->execute($values))) {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-				Minz_Log::record('SQL error markRead: ' . $info[2], Minz_Log::ERROR);
+				Minz_Log::error('SQL error markRead: ' . $info[2]);
 				return false;
 			}
 			$affected = $stm->rowCount();
@@ -166,7 +166,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 				return $stm->rowCount();
 			} else {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-				Minz_Log::record('SQL error markRead: ' . $info[2], Minz_Log::ERROR);
+				Minz_Log::error('SQL error markRead: ' . $info[2]);
 				return false;
 			}
 		}
@@ -175,7 +175,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 	public function markReadEntries($idMax = 0, $onlyFavorites = false, $priorityMin = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
-			Minz_Log::record('Calling markReadEntries(0) is deprecated!', Minz_Log::DEBUG);
+			Minz_Log::debug('Calling markReadEntries(0) is deprecated!');
 		}
 
 		$sql = 'UPDATE `' . $this->prefix . 'entry` e INNER JOIN `' . $this->prefix . 'feed` f ON e.id_feed=f.id '
@@ -190,7 +190,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markReadEntries: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markReadEntries: ' . $info[2]);
 			return false;
 		}
 		$affected = $stm->rowCount();
@@ -203,7 +203,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 	public function markReadCat($id, $idMax = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
-			Minz_Log::record('Calling markReadCat(0) is deprecated!', Minz_Log::DEBUG);
+			Minz_Log::debug('Calling markReadCat(0) is deprecated!');
 		}
 
 		$sql = 'UPDATE `' . $this->prefix . 'entry` e INNER JOIN `' . $this->prefix . 'feed` f ON e.id_feed=f.id '
@@ -213,7 +213,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markReadCat: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markReadCat: ' . $info[2]);
 			return false;
 		}
 		$affected = $stm->rowCount();
@@ -226,7 +226,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 	public function markReadFeed($id, $idMax = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
-			Minz_Log::record('Calling markReadFeed(0) is deprecated!', Minz_Log::DEBUG);
+			Minz_Log::debug('Calling markReadFeed(0) is deprecated!');
 		}
 		$this->bd->beginTransaction();
 
@@ -237,7 +237,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markReadFeed: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markReadFeed: ' . $info[2]);
 			$this->bd->rollBack();
 			return false;
 		}
@@ -251,7 +251,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			$stm = $this->bd->prepare($sql);
 			if (!($stm && $stm->execute($values))) {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-				Minz_Log::record('SQL error markReadFeed: ' . $info[2], Minz_Log::ERROR);
+				Minz_Log::error('SQL error markReadFeed: ' . $info[2]);
 				$this->bd->rollBack();
 				return false;
 			}
@@ -299,7 +299,7 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		return 'CONCAT(' . $s1 . ',' . $s2 . ')';	//MySQL
 	}
 
-	private function sqlListWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0, $showOlderUnreadsorFavorites = false, $keepHistoryDefault = 0) {
+	private function sqlListWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0) {
 		if (!$state) {
 			$state = FreshRSS_Entry::STATE_ALL;
 		}
@@ -307,34 +307,32 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		$joinFeed = false;
 		$values = array();
 		switch ($type) {
-			case 'a':
-				$where .= 'f.priority > 0 ';
-				$joinFeed = true;
-				break;
-			case 's':	//Deprecated: use $state instead
-				$where .= 'e1.is_favorite=1 ';
-				break;
-			case 'c':
-				$where .= 'f.category=? ';
-				$values[] = intval($id);
-				$joinFeed = true;
-				break;
-			case 'f':
-				$where .= 'e1.id_feed=? ';
-				$values[] = intval($id);
-				break;
-			case 'A':
-				$where .= '1 ';
-				break;
-			default:
-				throw new FreshRSS_EntriesGetter_Exception('Bad type in Entry->listByType: [' . $type . ']!');
+		case 'a':
+			$where .= 'f.priority > 0 ';
+			$joinFeed = true;
+			break;
+		case 's':	//Deprecated: use $state instead
+			$where .= 'e1.is_favorite=1 ';
+			break;
+		case 'c':
+			$where .= 'f.category=? ';
+			$values[] = intval($id);
+			$joinFeed = true;
+			break;
+		case 'f':
+			$where .= 'e1.id_feed=? ';
+			$values[] = intval($id);
+			break;
+		case 'A':
+			$where .= '1 ';
+			break;
+		default:
+			throw new FreshRSS_EntriesGetter_Exception('Bad type in Entry->listByType: [' . $type . ']!');
 		}
 
 		if ($state & FreshRSS_Entry::STATE_NOT_READ) {
 			if (!($state & FreshRSS_Entry::STATE_READ)) {
 				$where .= 'AND e1.is_read=0 ';
-			} elseif ($state & FreshRSS_Entry::STATE_STRICT) {
-				$where .= 'AND e1.is_read=0 ';
 			}
 		}
 		elseif ($state & FreshRSS_Entry::STATE_READ) {
@@ -356,23 +354,14 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			default:
 				throw new FreshRSS_EntriesGetter_Exception('Bad order in Entry->listByType: [' . $order . ']!');
 		}
-		if ($firstId === '' && parent::$sharedDbType === 'mysql') {
-			$firstId = $order === 'DESC' ? '9000000000'. '000000' : '0';	//MySQL optimization. Tested on MySQL 5.5 with 150k articles
-		}
+		/*if ($firstId === '' && parent::$sharedDbType === 'mysql') {
+			$firstId = $order === 'DESC' ? '9000000000'. '000000' : '0';	//MySQL optimization. TODO: check if this is needed again, after the filtering for old articles has been removed in 0.9-dev
+		}*/
 		if ($firstId !== '') {
 			$where .= 'AND e1.id ' . ($order === 'DESC' ? '<=' : '>=') . $firstId . ' ';
 		}
-		if (($date_min > 0) && ($type !== 's')) {
-			$where .= 'AND (e1.id >= ' . $date_min . '000000';
-			if ($showOlderUnreadsorFavorites) {	//Lax date constraint
-				$where .= ' OR e1.is_read=0 OR e1.is_favorite=1 OR (f.keep_history <> 0';
-				if (intval($keepHistoryDefault) === 0) {
-					$where .= ' AND f.keep_history <> -2';	//default
-				}
-				$where .= ')';
-			}
-			$where .= ') ';
-			$joinFeed = true;
+		if ($date_min > 0) {
+			$where .= 'AND e1.id >= ' . $date_min . '000000 ';
 		}
 		$search = '';
 		if ($filter !== '') {
@@ -434,8 +423,8 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 			. ($limit > 0 ? ' LIMIT ' . $limit : ''));	//TODO: See http://explainextended.com/2009/10/23/mysql-order-by-limit-performance-late-row-lookups/
 	}
 
-	public function listWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0, $showOlderUnreadsorFavorites = false, $keepHistoryDefault = 0) {
-		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filter, $date_min, $showOlderUnreadsorFavorites, $keepHistoryDefault);
+	public function listWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0) {
+		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filter, $date_min);
 
 		$sql = 'SELECT e.id, e.guid, e.title, e.author, '
 		     . ($this->isCompressed() ? 'UNCOMPRESS(content_bin) AS content' : 'content')
@@ -452,8 +441,8 @@ class FreshRSS_EntryDAO extends Minz_ModelPdo {
 		return self::daoToEntry($stm->fetchAll(PDO::FETCH_ASSOC));
 	}
 
-	public function listIdsWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0, $showOlderUnreadsorFavorites = false, $keepHistoryDefault = 0) {	//For API
-		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filter, $date_min, $showOlderUnreadsorFavorites, $keepHistoryDefault);
+	public function listIdsWhere($type = 'a', $id = '', $state = FreshRSS_Entry::STATE_ALL, $order = 'DESC', $limit = 1, $firstId = '', $filter = '', $date_min = 0) {	//For API
+		list($values, $sql) = $this->sqlListWhere($type, $id, $state, $order, $limit, $firstId, $filter, $date_min);
 
 		$stm = $this->bd->prepare($sql);
 		$stm->execute($values);
diff --git a/app/Models/EntryDAOSQLite.php b/app/Models/EntryDAOSQLite.php
index 9dc395c3c..4a3fe24a2 100644
--- a/app/Models/EntryDAOSQLite.php
+++ b/app/Models/EntryDAOSQLite.php
@@ -26,7 +26,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 			return true;
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateCacheUnreads: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateCacheUnreads: ' . $info[2]);
 			return false;
 		}
 	}
@@ -47,7 +47,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 			$stm = $this->bd->prepare($sql);
 			if (!($stm && $stm->execute($values))) {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-				Minz_Log::record('SQL error markRead 1: ' . $info[2], Minz_Log::ERROR);
+				Minz_Log::error('SQL error markRead 1: ' . $info[2]);
 				$this->bd->rollBack();
 				return false;
 			}
@@ -59,7 +59,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 				$stm = $this->bd->prepare($sql);
 				if (!($stm && $stm->execute($values))) {
 					$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-					Minz_Log::record('SQL error markRead 2: ' . $info[2], Minz_Log::ERROR);
+					Minz_Log::error('SQL error markRead 2: ' . $info[2]);
 					$this->bd->rollBack();
 					return false;
 				}
@@ -72,7 +72,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 	public function markReadEntries($idMax = 0, $onlyFavorites = false, $priorityMin = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
-			Minz_Log::record('Calling markReadEntries(0) is deprecated!', Minz_Log::DEBUG);
+			Minz_Log::debug('Calling markReadEntries(0) is deprecated!');
 		}
 
 		$sql = 'UPDATE `' . $this->prefix . 'entry` SET is_read=1 WHERE is_read=0 AND id <= ?';
@@ -85,7 +85,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markReadEntries: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markReadEntries: ' . $info[2]);
 			return false;
 		}
 		$affected = $stm->rowCount();
@@ -98,7 +98,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 	public function markReadCat($id, $idMax = 0) {
 		if ($idMax == 0) {
 			$idMax = time() . '000000';
-			Minz_Log::record('Calling markReadCat(0) is deprecated!', Minz_Log::DEBUG);
+			Minz_Log::debug('Calling markReadCat(0) is deprecated!');
 		}
 
 		$sql = 'UPDATE `' . $this->prefix . 'entry` '
@@ -109,7 +109,7 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error markReadCat: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error markReadCat: ' . $info[2]);
 			return false;
 		}
 		$affected = $stm->rowCount();
@@ -124,6 +124,6 @@ class FreshRSS_EntryDAOSQLite extends FreshRSS_EntryDAO {
 	}
 
 	public function size($all = false) {
-		return @filesize(DATA_PATH . '/' . Minz_Session::param('currentUser', '_') . '.sqlite');
+		return @filesize(DATA_PATH . '/' . $this->current_user . '.sqlite');
 	}
 }
diff --git a/app/Models/Factory.php b/app/Models/Factory.php
index 08569b2e2..91cb84998 100644
--- a/app/Models/Factory.php
+++ b/app/Models/Factory.php
@@ -2,30 +2,39 @@
 
 class FreshRSS_Factory {
 
-	public static function createFeedDao() {
+	public static function createFeedDao($username = null) {
 		$db = Minz_Configuration::dataBase();
 		if ($db['type'] === 'sqlite') {
-			return new FreshRSS_FeedDAOSQLite();
+			return new FreshRSS_FeedDAOSQLite($username);
 		} else {
-			return new FreshRSS_FeedDAO();
+			return new FreshRSS_FeedDAO($username);
 		}
 	}
 
-	public static function createEntryDao() {
+	public static function createEntryDao($username = null) {
 		$db = Minz_Configuration::dataBase();
 		if ($db['type'] === 'sqlite') {
-			return new FreshRSS_EntryDAOSQLite();
+			return new FreshRSS_EntryDAOSQLite($username);
 		} else {
-			return new FreshRSS_EntryDAO();
+			return new FreshRSS_EntryDAO($username);
 		}
 	}
 
-	public static function createStatsDAO() {
+	public static function createStatsDAO($username = null) {
 		$db = Minz_Configuration::dataBase();
 		if ($db['type'] === 'sqlite') {
-			return new FreshRSS_StatsDAOSQLite();
+			return new FreshRSS_StatsDAOSQLite($username);
 		} else {
-			return new FreshRSS_StatsDAO();
+			return new FreshRSS_StatsDAO($username);
+		}
+	}
+
+	public static function createDatabaseDAO($username = null) {
+		$db = Minz_Configuration::dataBase();
+		if ($db['type'] === 'sqlite') {
+			return new FreshRSS_DatabaseDAOSQLite($username);
+		} else {
+			return new FreshRSS_DatabaseDAO($username);
 		}
 	}
 
diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index 03baf3ad2..bd1babeea 100644
--- a/app/Models/Feed.php
+++ b/app/Models/Feed.php
@@ -217,7 +217,8 @@ class FreshRSS_Feed extends Minz_Model {
 				$mtime = $feed->init();
 
 				if ((!$mtime) || $feed->error()) {
-					throw new FreshRSS_Feed_Exception($feed->error() . ' [' . $url . ']');
+					$errorMessage = $feed->error();
+					throw new FreshRSS_Feed_Exception(($errorMessage == '' ? 'Feed error' : $errorMessage) . ' [' . $url . ']');
 				}
 
 				if ($loadDetails) {
diff --git a/app/Models/FeedDAO.php b/app/Models/FeedDAO.php
index b89ae2045..74597c730 100644
--- a/app/Models/FeedDAO.php
+++ b/app/Models/FeedDAO.php
@@ -19,7 +19,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $this->bd->lastInsertId();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error addFeed: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error addFeed: ' . $info[2]);
 			return false;
 		}
 	}
@@ -77,7 +77,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateFeed: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateFeed: ' . $info[2]);
 			return false;
 		}
 	}
@@ -107,7 +107,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateLastUpdate: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateLastUpdate: ' . $info[2]);
 			return false;
 		}
 	}
@@ -131,7 +131,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error changeCategory: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error changeCategory: ' . $info[2]);
 			return false;
 		}
 	}
@@ -146,7 +146,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error deleteFeed: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error deleteFeed: ' . $info[2]);
 			return false;
 		}
 	}
@@ -160,7 +160,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error deleteFeedByCategory: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error deleteFeedByCategory: ' . $info[2]);
 			return false;
 		}
 	}
@@ -191,7 +191,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 		$res = $stm->fetchAll(PDO::FETCH_ASSOC);
 		$feed = current(self::daoToFeed($res));
 
-		if (isset($feed)) {
+		if (isset($feed) && $feed !== false) {
 			return $feed;
 		} else {
 			return null;
@@ -289,7 +289,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateCachedValues: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateCachedValues: ' . $info[2]);
 			return false;
 		}
 	}
@@ -301,7 +301,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 		$this->bd->beginTransaction();
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error truncate: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error truncate: ' . $info[2]);
 			$this->bd->rollBack();
 			return false;
 		}
@@ -313,7 +313,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 		$stm = $this->bd->prepare($sql);
 		if (!($stm && $stm->execute($values))) {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error truncate: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error truncate: ' . $info[2]);
 			$this->bd->rollBack();
 			return false;
 		}
@@ -338,7 +338,7 @@ class FreshRSS_FeedDAO extends Minz_ModelPdo {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error cleanOldEntries: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error cleanOldEntries: ' . $info[2]);
 			return false;
 		}
 	}
diff --git a/app/Models/FeedDAOSQLite.php b/app/Models/FeedDAOSQLite.php
index 0d1872389..7599fda53 100644
--- a/app/Models/FeedDAOSQLite.php
+++ b/app/Models/FeedDAOSQLite.php
@@ -11,7 +11,7 @@ class FreshRSS_FeedDAOSQLite extends FreshRSS_FeedDAO {
 			return $stm->rowCount();
 		} else {
 			$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record('SQL error updateCachedValues: ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error updateCachedValues: ' . $info[2]);
 			return false;
 		}
 	}
diff --git a/app/Models/Log.php b/app/Models/Log.php
index d2794458b..df2de72ac 100644
--- a/app/Models/Log.php
+++ b/app/Models/Log.php
@@ -5,22 +5,22 @@ class FreshRSS_Log extends Minz_Model {
 	private $level;
 	private $information;
 
-	public function date () {
+	public function date() {
 		return $this->date;
 	}
-	public function level () {
+	public function level() {
 		return $this->level;
 	}
-	public function info () {
+	public function info() {
 		return $this->information;
 	}
-	public function _date ($date) {
+	public function _date($date) {
 		$this->date = $date;
 	}
-	public function _level ($level) {
+	public function _level($level) {
 		$this->level = $level;
 	}
-	public function _info ($information) {
+	public function _info($information) {
 		$this->information = $information;
 	}
 }
diff --git a/app/Models/LogDAO.php b/app/Models/LogDAO.php
index d1e515200..21593435d 100644
--- a/app/Models/LogDAO.php
+++ b/app/Models/LogDAO.php
@@ -2,15 +2,15 @@
 
 class FreshRSS_LogDAO {
 	public static function lines() {
-		$logs = array ();
+		$logs = array();
 		$handle = @fopen(LOG_PATH . '/' . Minz_Session::param('currentUser', '_') . '.log', 'r');
 		if ($handle) {
 			while (($line = fgets($handle)) !== false) {
-				if (preg_match ('/^\[([^\[]+)\] \[([^\[]+)\] --- (.*)$/', $line, $matches)) {
+				if (preg_match('/^\[([^\[]+)\] \[([^\[]+)\] --- (.*)$/', $line, $matches)) {
 					$myLog = new FreshRSS_Log ();
-					$myLog->_date ($matches[1]);
-					$myLog->_level ($matches[2]);
-					$myLog->_info ($matches[3]);
+					$myLog->_date($matches[1]);
+					$myLog->_level($matches[2]);
+					$myLog->_info($matches[3]);
 					$logs[] = $myLog;
 				}
 			}
diff --git a/app/Models/StatsDAO.php b/app/Models/StatsDAO.php
index 08dd4cd5c..283d5dcb1 100644
--- a/app/Models/StatsDAO.php
+++ b/app/Models/StatsDAO.php
@@ -237,7 +237,7 @@ SQL;
 			$interval_in_days = $period;
 		}
 
-		return round($res['count'] / ($interval_in_days / $period), 2);
+		return $res['count'] / ($interval_in_days / $period);
 	}
 
 	/**
@@ -415,8 +415,8 @@ SQL;
 	 * @return string
 	 */
 	private function convertToTranslatedJson($data = array()) {
-		$translated = array_map(function ($a) {
-			return Minz_Translate::t($a);
+		$translated = array_map(function($a) {
+			return _t($a);
 		}, $data);
 
 		return json_encode($translated);
diff --git a/app/Models/Themes.php b/app/Models/Themes.php
index 68fc17a2b..e3b260261 100644
--- a/app/Models/Themes.php
+++ b/app/Models/Themes.php
@@ -82,6 +82,7 @@ class FreshRSS_Themes extends Minz_Model {
 			'favorite' => '★',
 			'help' => 'ⓘ',
 			'icon' => '⊚',
+			'import' => '⤓',
 			'key' => '⚿',
 			'link' => '↗',
 			'login' => '🔒',
diff --git a/app/Models/UserDAO.php b/app/Models/UserDAO.php
index 9f64fb4a7..60fca71b1 100644
--- a/app/Models/UserDAO.php
+++ b/app/Models/UserDAO.php
@@ -9,7 +9,7 @@ class FreshRSS_UserDAO extends Minz_ModelPdo {
 
 		$ok = false;
 		if (defined('SQL_CREATE_TABLES')) {	//E.g. MySQL
-			$sql = sprintf(SQL_CREATE_TABLES, $db['prefix'] . $username . '_', Minz_Translate::t('default_category'));
+			$sql = sprintf(SQL_CREATE_TABLES, $db['prefix'] . $username . '_', _t('default_category'));
 			$stm = $userPDO->bd->prepare($sql);
 			$ok = $stm && $stm->execute();
 		} else {	//E.g. SQLite
@@ -17,7 +17,7 @@ class FreshRSS_UserDAO extends Minz_ModelPdo {
 			if (is_array($SQL_CREATE_TABLES)) {
 				$ok = true;
 				foreach ($SQL_CREATE_TABLES as $instruction) {
-					$sql = sprintf($instruction, '', Minz_Translate::t('default_category'));
+					$sql = sprintf($instruction, '', _t('default_category'));
 					$stm = $userPDO->bd->prepare($sql);
 					$ok &= ($stm && $stm->execute());
 				}
@@ -28,7 +28,7 @@ class FreshRSS_UserDAO extends Minz_ModelPdo {
 			return true;
 		} else {
 			$info = empty($stm) ? array(2 => 'syntax error') : $stm->errorInfo();
-			Minz_Log::record ('SQL error : ' . $info[2], Minz_Log::ERROR);
+			Minz_Log::error('SQL error : ' . $info[2]);
 			return false;
 		}
 	}
@@ -48,9 +48,21 @@ class FreshRSS_UserDAO extends Minz_ModelPdo {
 				return true;
 			} else {
 				$info = $stm == null ? array(2 => 'syntax error') : $stm->errorInfo();
-				Minz_Log::record ('SQL error : ' . $info[2], Minz_Log::ERROR);
+				Minz_Log::error('SQL error : ' . $info[2]);
 				return false;
 			}
 		}
 	}
+
+	public static function exist($username) {
+		return file_exists(DATA_PATH . '/' . $username . '_user.php');
+	}
+
+	public static function touch($username) {
+		return touch(DATA_PATH . '/' . $username . '_user.php');
+	}
+
+	public static function mtime($username) {
+		return @filemtime(DATA_PATH . '/' . $username . '_user.php');
+	}
 }