FragmentCache WIP

framework/base/ActionFilter.php

@@ -11,9 +11,19 @@ namespace yii\base;
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
  */
-class Filter extends Behavior
+class ActionFilter extends Behavior
 {
 	/**
+	 * @var array list of action IDs that this filter should apply to. If this property is not set,
+	 * then the filter applies to all actions, unless they are listed in [[except]].
+	 */
+	public $only;
+	/**
+	 * @var array list of action IDs that this filter should not apply to.
+	 */
+	public $except = array();
+
+	/**
 	 * Declares event handlers for the [[owner]]'s events.
 	 * @return array events (array keys) and the corresponding event handler methods (array values).
 	 */

framework/base/View.php

@@ -337,15 +337,16 @@ class View extends Component
 	 * ~~~
 	 *
 	 * @param string $id a unique ID identifying the fragment to be cached.
-	 * @param array $properties initial property values for [[\yii\widgets\OutputCache]]
+	 * @param array $properties initial property values for [[\yii\widgets\FragmentCache]]
 	 * @return boolean whether you should generate the content for caching.
 	 * False if the cached version is available.
 	 */
 	public function beginCache($id, $properties = array())
 	{
 		$properties['id'] = $id;
+		/** @var $cache \yii\widgets\FragmentCache */
 		$cache = $this->beginWidget('yii\widgets\OutputCache', $properties);
-		if ($cache->getIsContentCached()) {
+		if ($cache->getCachedContent() !== false) {
 			$this->endCache();
 			return false;
 		} else {

framework/caching/Cache.php

@@ -8,6 +8,7 @@
 namespace yii\caching;
 
 use yii\base\Component;
+use yii\helpers\StringHelper;
 
 /**
  * Cache is the base class for cache classes supporting different cache storage implementation.
@@ -70,13 +71,13 @@ abstract class Cache extends Component implements \ArrayAccess
 
 
 	/**
-	 * Builds a normalized cache key from one or multiple parameters.
+	 * Builds a normalized cache key from a given key.
 	 *
 	 * The generated key contains letters and digits only, and its length is no more than 32.
 	 * 
-	 * If only one parameter is given and it is already a normalized key, then
-	 * it will be returned back without change. Otherwise, a normalized key
-	 * is generated by serializing all given parameters and applying MD5 hashing. 
+	 * If the given key is a string containing alphanumeric characters only and no more than 32 characters,
+	 * then the key will be returned back without change. Otherwise, a normalized key
+	 * is generated by serializing the given key and applying MD5 hashing.
 	 * 
 	 * The following example builds a cache key using three parameters:
 	 *
@@ -84,16 +85,15 @@ abstract class Cache extends Component implements \ArrayAccess
 	 * $key = $cache->buildKey($className, $method, $id);
 	 * ~~~
 	 *
-	 * @param string $key the first parameter
+	 * @param array|string $key the key to be normalized
 	 * @return string the generated cache key
 	 */
 	public function buildKey($key)
 	{
-		if (func_num_args() === 1 && ctype_alnum($key) && strlen($key) <= 32) {
-			return (string)$key;
+		if (is_string($key)) {
+			return ctype_alnum($key) && StringHelper::strlen($key) <= 32 ? $key : md5($key);
 		} else {
-			$params = func_get_args();
-			return md5(json_encode($params));
+			return md5(json_encode($key));
 		}
 	}
 

framework/caching/DbDependency.php

@@ -7,15 +7,15 @@
 
 namespace yii\caching;
 
+use Yii;
 use yii\base\InvalidConfigException;
 use yii\db\Connection;
-use yii\db\Query;
 
 /**
  * DbDependency represents a dependency based on the query result of a SQL statement.
  *
  * If the query result changes, the dependency is considered as changed.
- * The query is specified via the [[query]] property.
+ * The query is specified via the [[sql]] property.
  *
  * @author Qiang Xue <qiang.xue@gmail.com>
  * @since 2.0
@@ -27,23 +27,25 @@ class DbDependency extends Dependency
 	 */
 	public $connectionID = 'db';
 	/**
-	 * @var Query the SQL query whose result is used to determine if the dependency has been changed.
+	 * @var string the SQL query whose result is used to determine if the dependency has been changed.
 	 * Only the first row of the query result will be used.
 	 */
-	public $query;
+	public $sql;
 	/**
-	 * @var Connection the DB connection instance
+	 * @var array the parameters (name=>value) to be bound to the SQL statement specified by [[sql]].
 	 */
-	private $_db;
+	public $params;
 
 	/**
 	 * Constructor.
-	 * @param Query $query the SQL query whose result is used to determine if the dependency has been changed.
+	 * @param string $sql the SQL query whose result is used to determine if the dependency has been changed.
+	 * @param array $params the parameters (name=>value) to be bound to the SQL statement specified by [[sql]].
 	 * @param array $config name-value pairs that will be used to initialize the object properties
 	 */
-	public function __construct($query = null, $config = array())
+	public function __construct($sql, $params = array(), $config = array())
 	{
-		$this->query = $query;
+		$this->sql = $sql;
+		$this->params = $params;
 		parent::__construct($config);
 	}
 
@@ -66,22 +68,23 @@ class DbDependency extends Dependency
 	protected function generateDependencyData()
 	{
 		$db = $this->getDb();
-		/**
-		 * @var \yii\db\Command $command
-		 */
-		$command = $this->query->createCommand($db);
 		if ($db->enableQueryCache) {
 			// temporarily disable and re-enable query caching
 			$db->enableQueryCache = false;
-			$result = $command->queryRow();
+			$result = $db->createCommand($this->sql, $this->params)->queryRow();
 			$db->enableQueryCache = true;
 		} else {
-			$result = $command->queryRow();
+			$result = $db->createCommand($this->sql, $this->params)->queryRow();
 		}
 		return $result;
 	}
 
 	/**
+	 * @var Connection the DB connection instance
+	 */
+	private $_db;
+
+	/**
 	 * Returns the DB connection instance used for caching purpose.
 	 * @return Connection the DB connection instance
 	 * @throws InvalidConfigException if [[connectionID]] does not point to a valid application component.
@@ -89,11 +92,11 @@ class DbDependency extends Dependency
 	public function getDb()
 	{
 		if ($this->_db === null) {
-			$db = \Yii::$app->getComponent($this->connectionID);
+			$db = Yii::$app->getComponent($this->connectionID);
 			if ($db instanceof Connection) {
 				$this->_db = $db;
 			} else {
-				throw new InvalidConfigException("DbCache::connectionID must refer to the ID of a DB application component.");
+				throw new InvalidConfigException("DbCacheDependency::connectionID must refer to the ID of a DB application component.");
 			}
 		}
 		return $this->_db;

framework/db/Command.php

@@ -389,7 +389,13 @@ class Command extends \yii\base\Component
 		}
 
 		if (isset($cache)) {
-			$cacheKey = $cache->buildKey(__CLASS__, $db->dsn, $db->username, $sql, $paramLog);
+			$cacheKey = $cache->buildKey(array(
+				__CLASS__,
+				$db->dsn,
+				$db->username,
+				$sql,
+				$paramLog,
+			));
 			if (($result = $cache->get($cacheKey)) !== false) {
 				\Yii::trace('Query result found in cache', __CLASS__);
 				return $result;

framework/db/Schema.php

@@ -109,7 +109,12 @@ abstract class Schema extends \yii\base\Object
 	 */
 	public function getCacheKey($cache, $name)
 	{
-		return $cache->buildKey(__CLASS__, $this->db->dsn, $this->db->username, $name);
+		return $cache->buildKey(array(
+			__CLASS__,
+			$this->db->dsn,
+			$this->db->username,
+			$name,
+		));
 	}
 
 	/**

framework/helpers/ConsoleColor.php

@@ -7,15 +7,7 @@
 
 namespace yii\helpers;
 
-// todo define how subclassing will work
-// todo add a run() or render() method
 // todo test this on all kinds of terminals, especially windows (check out lib ncurses)
-// todo not sure if all methods should be static
-
-// todo subclass DetailView
-// todo subclass GridView
-// todo more subclasses
-
 
 /**
  * Console View is the base class for console view components

framework/web/CacheSession.php

@@ -45,6 +45,7 @@ class CacheSession extends Session
 	{
 		return true;
 	}
+
 	/**
 	 * Returns the cache instance used for storing session data.
 	 * @return Cache the cache instance
@@ -114,6 +115,6 @@ class CacheSession extends Session
 	 */
 	protected function calculateKey($id)
 	{
-		return $this->getCache()->buildKey(__CLASS__, $id);
+		return $this->getCache()->buildKey(array(__CLASS__, $id));
 	}
 }