redis WIP

framework/yii/redis/ActiveQuery.php

@@ -9,6 +9,7 @@
  */
 
 namespace yii\redis;
+use yii\base\NotSupportedException;
 
 /**
  * ActiveQuery represents a DB query associated with an Active Record class.
@@ -89,18 +90,30 @@ class ActiveQuery extends \yii\base\Component
 	public $indexBy;
 
 	/**
-	 * Executes query and returns all results as an array.
-	 * @return array the query results. If the query results in nothing, an empty array will be returned.
+	 * Executes a script created by [[LuaScriptBuilder]]
+	 * @param $type
+	 * @param null $column
+	 * @return array|bool|null|string
 	 */
-	public function all()
+	private function executeScript($type, $column=null)
 	{
 		$modelClass = $this->modelClass;
 		/** @var Connection $db */
 		$db = $modelClass::getDb();
 
-		$script = $db->luaScriptBuilder->buildAll($this);
-		$data = $db->executeCommand('EVAL', array($script, 0));
+		$method = 'build' . $type;
+		$script = $db->getLuaScriptBuilder()->$method($this, $column);
+		return $db->executeCommand('EVAL', array($script, 0));
+	}
 
+	/**
+	 * Executes query and returns all results as an array.
+	 * @return array the query results. If the query results in nothing, an empty array will be returned.
+	 */
+	public function all()
+	{
+		// TODO add support for orderBy
+		$data = $this->executeScript('All');
 		$rows = array();
 		foreach($data as $dataRow) {
 			$row = array();
@@ -130,13 +143,8 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function one()
 	{
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-
-		$script = $db->luaScriptBuilder->buildOne($this);
-		$data = $db->executeCommand('EVAL', array($script, 0));
-
+		// TODO add support for orderBy
+		$data = $this->executeScript('One');
 		if ($data === array()) {
 			return null;
 		}
@@ -168,11 +176,7 @@ class ActiveQuery extends \yii\base\Component
 	public function column($column)
 	{
 		// TODO add support for indexBy and orderBy
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-		$script = $db->luaScriptBuilder->buildColumn($this, $column);
-		return $db->executeCommand('EVAL', array($script, 0));
+		return $this->executeScript('Column', $column);
 	}
 
 	/**
@@ -183,14 +187,13 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function count()
 	{
+		if ($this->offset === null && $this->limit === null && $this->where === null) {
 			$modelClass = $this->modelClass;
 			/** @var Connection $db */
 			$db = $modelClass::getDb();
-		if ($this->offset === null && $this->limit === null && $this->where === null) {
 			return $db->executeCommand('LLEN', array($modelClass::tableName()));
 		} else {
-			$script = $db->luaScriptBuilder->buildCount($this);
-			return $db->executeCommand('EVAL', array($script, 0));
+			return $this->executeScript('Count');
 		}
 	}
 
@@ -201,11 +204,7 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function sum($column)
 	{
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-		$script = $db->luaScriptBuilder->buildSum($this, $column);
-		return $db->executeCommand('EVAL', array($script, 0));
+		return $this->executeScript('Sum', $column);
 	}
 
 	/**
@@ -216,11 +215,7 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function average($column)
 	{
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-		$script = $db->luaScriptBuilder->buildAverage($this, $column);
-		return $db->executeCommand('EVAL', array($script, 0));
+		return $this->executeScript('Average', $column);
 	}
 
 	/**
@@ -231,11 +226,7 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function min($column)
 	{
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-		$script = $db->luaScriptBuilder->buildMin($this, $column);
-		return $db->executeCommand('EVAL', array($script, 0));
+		return $this->executeScript('Min', $column);
 	}
 
 	/**
@@ -246,11 +237,7 @@ class ActiveQuery extends \yii\base\Component
 	 */
 	public function max($column)
 	{
-		$modelClass = $this->modelClass;
-		/** @var Connection $db */
-		$db = $modelClass::getDb();
-		$script = $db->luaScriptBuilder->buildMax($this, $column);
-		return $db->executeCommand('EVAL', array($script, 0));
+		return $this->executeScript('Max', $column);
 	}
 
 	/**
@@ -294,7 +281,7 @@ class ActiveQuery extends \yii\base\Component
 	 * (e.g. `array('id' => Query::SORT_ASC, 'name' => Query::SORT_DESC)`).
 	 * The method will automatically quote the column names unless a column contains some parenthesis
 	 * (which means the column contains a DB expression).
-	 * @return Query the query object itself
+	 * @return ActiveQuery the query object itself
 	 * @see addOrderBy()
 	 */
 	public function orderBy($columns)
@@ -310,7 +297,7 @@ class ActiveQuery extends \yii\base\Component
 	 * (e.g. `array('id' => Query::SORT_ASC, 'name' => Query::SORT_DESC)`).
 	 * The method will automatically quote the column names unless a column contains some parenthesis
 	 * (which means the column contains a DB expression).
-	 * @return Query the query object itself
+	 * @return ActiveQuery the query object itself
 	 * @see orderBy()
 	 */
 	public function addOrderBy($columns)
@@ -326,6 +313,7 @@ class ActiveQuery extends \yii\base\Component
 
 	protected function normalizeOrderBy($columns)
 	{
+		throw new NotSupportedException('orderBy is currently not supported');
 		if (is_array($columns)) {
 			return $columns;
 		} else {

framework/yii/redis/ActiveRelation.php

@@ -9,6 +9,7 @@
  */
 
 namespace yii\redis;
+use yii\base\InvalidConfigException;
 
 /**
  * ActiveRecord is the base class for classes representing relational data in terms of objects.
@@ -42,20 +43,70 @@ class ActiveRelation extends \yii\redis\ActiveQuery
 	public $via;
 
 	/**
+	 * Clones internal objects.
+	 */
+	public function __clone()
+	{
+		if (is_object($this->via)) {
+			// make a clone of "via" object so that the same query object can be reused multiple times
+			$this->via = clone $this->via;
+		}
+	}
+
+	/**
 	 * Specifies the relation associated with the pivot table.
 	 * @param string $relationName the relation name. This refers to a relation declared in [[primaryModel]].
+	 * @param callable $callable a PHP callback for customizing the relation associated with the pivot table.
+	 * Its signature should be `function($query)`, where `$query` is the query to be customized.
 	 * @return ActiveRelation the relation object itself.
 	 */
-	public function via($relationName)
+	public function via($relationName, $callable = null)
 	{
 		$relation = $this->primaryModel->getRelation($relationName);
 		$this->via = array($relationName, $relation);
+		if ($callable !== null) {
+			call_user_func($callable, $relation);
+		}
 		return $this;
 	}
 
 	/**
+	 * Creates a DB command that can be used to execute this query.
+	 * @param Connection $db the DB connection used to create the DB command.
+	 * If null, the DB connection returned by [[modelClass]] will be used.
+	 * @return Command the created DB command instance.
+	 */
+	protected function executeScript($type, $column=null)
+	{
+		if ($this->primaryModel !== null) {
+			// lazy loading
+			if ($this->via instanceof self) {
+				// via pivot table
+				$viaModels = $this->via->findPivotRows(array($this->primaryModel));
+				$this->filterByModels($viaModels);
+			} elseif (is_array($this->via)) {
+				// via relation
+				/** @var $viaQuery ActiveRelation */
+				list($viaName, $viaQuery) = $this->via;
+				if ($viaQuery->multiple) {
+					$viaModels = $viaQuery->all();
+					$this->primaryModel->populateRelation($viaName, $viaModels);
+				} else {
+					$model = $viaQuery->one();
+					$this->primaryModel->populateRelation($viaName, $model);
+					$viaModels = $model === null ? array() : array($model);
+				}
+				$this->filterByModels($viaModels);
+			} else {
+				$this->filterByModels(array($this->primaryModel));
+			}
+		}
+		return parent::executeScript($type, $column);
+	}
+
+	/**
 	 * Finds the related records and populates them into the primary models.
-	 * This method is internally by [[ActiveQuery]]. Do not call it directly.
+	 * This method is internally used by [[ActiveQuery]]. Do not call it directly.
 	 * @param string $name the relation name
 	 * @param array $primaryModels primary models
 	 * @return array the related models
@@ -68,14 +119,12 @@ class ActiveRelation extends \yii\redis\ActiveQuery
 		}
 
 		if ($this->via instanceof self) {
-			// TODO
 			// via pivot table
 			/** @var $viaQuery ActiveRelation */
 			$viaQuery = $this->via;
 			$viaModels = $viaQuery->findPivotRows($primaryModels);
 			$this->filterByModels($viaModels);
 		} elseif (is_array($this->via)) {
-			// TODO
 			// via relation
 			/** @var $viaQuery ActiveRelation */
 			list($viaName, $viaQuery) = $this->via;
@@ -185,7 +234,6 @@ class ActiveRelation extends \yii\redis\ActiveQuery
 		}
 	}
 
-
 	/**
 	 * @param array $models
 	 */
@@ -193,7 +241,7 @@ class ActiveRelation extends \yii\redis\ActiveQuery
 	{
 		$attributes = array_keys($this->link);
 		$values = array();
-		if (count($attributes) ===1) {
+		if (count($attributes) === 1) {
 			// single key
 			$attribute = reset($this->link);
 			foreach ($models as $model) {
@@ -209,7 +257,22 @@ class ActiveRelation extends \yii\redis\ActiveQuery
 				$values[] = $v;
 			}
 		}
-		$this->primaryKeys($values);
+		$this->andWhere(array('in', $attributes, array_unique($values, SORT_REGULAR)));
 	}
 
+	/**
+	 * @param ActiveRecord[] $primaryModels
+	 * @return array
+	 */
+	private function findPivotRows($primaryModels)
+	{
+		if (empty($primaryModels)) {
+			return array();
+		}
+		$this->filterByModels($primaryModels);
+		/** @var $primaryModel ActiveRecord */
+		$primaryModel = reset($primaryModels);
+		$db = $primaryModel->getDb(); // TODO use different db in db overlapping relations
+		return $this->all();
+	}
 }

tests/unit/framework/redis/ActiveRecordTest.php

@@ -239,17 +239,17 @@ class ActiveRecordTest extends RedisTestCase
 		$this->assertFalse(Customer::find()->where(array('id' => 5))->exists());
 	}
 
-//	public function testFindLazy()
-//	{
-//		/** @var $customer Customer */
-//		$customer = Customer::find(2);
-//		$orders = $customer->orders;
-//		$this->assertEquals(2, count($orders));
-//
-//		$orders = $customer->getOrders()->primaryKeys(array(3))->all();
-//		$this->assertEquals(1, count($orders));
-//		$this->assertEquals(3, $orders[0]->id);
-//	}
+	public function testFindLazy()
+	{
+		/** @var $customer Customer */
+		$customer = Customer::find(2);
+		$orders = $customer->orders;
+		$this->assertEquals(2, count($orders));
+
+		$orders = $customer->getOrders()->where(array('id' => 3))->all();
+		$this->assertEquals(1, count($orders));
+		$this->assertEquals(3, $orders[0]->id);
+	}
 
 //	public function testFindEager()
 //	{