added MongoStatement class, modified DbDriver hierarchy

model/DbDriver.php

@@ -49,6 +49,23 @@ abstract class DbDriver
         return $this->connection;
     }
 
+    /**
+     * @param mixed $request
+     * @param mixed $params
+     * @return DbStatement
+     */
+    public function query($request, $params = array())
+    {
+        $this->connect();
+        if (!is_array($params)) {
+            $params = array($params);
+        }
+        $stmt = $this->prepare($request);
+        $stmt->execute($params);
+        return $stmt;
+    }
+    
+
     /* Abstract methods  */
 
     abstract public function insert($table, $data);
@@ -57,6 +74,8 @@ abstract class DbDriver
     
     abstract public function delete($table, $condition);
 
+    abstract public function prepare($request);
+    
     abstract public function getInsertId($table = null, $key = null);
     
     abstract public function isConnected();

model/DbStatement.php

@@ -20,38 +20,16 @@ abstract class DbStatement
     /**
      * @var string
      */
-    protected $sql;
-    
-    protected $map = null;
+    protected $request;
     
     protected $params = array();
     
     protected $result;
     
-    public function __construct($driver, $sql)
-    {
-        $this->driver = $driver;
-        $this->sql    = $sql;
-    }
-    
-    public function bindParam($param, &$value)
+    public function __construct($driver, $request)
     {
-        if ($this->map === null) {
-            $this->mapPlaceholders();
-        }
-        if (count($this->map) > 0) {
-            if (!is_string($param) && !is_int($param)) {
-                throw new Exception('Placeholder must be an array or string');
-            }
-            if (is_object($value) && ! ($value instanceof DbExpr)) {
-                throw new Exception('Objects excepts DbExpr not allowed.');
-            }
-            if (isset($this->map[$param])) {
-                $this->params[$param] = &$value;
-                return true;
-            }
-        }
-        return false;
+        $this->driver       = $driver;
+        $this->request    = $request;
     }
     
     /**
@@ -68,47 +46,6 @@ abstract class DbStatement
         return $this->driverExecute($this->assemble());
     }
 
-    protected function mapPlaceholders()
-    {
-        $matches = array();
-        if(preg_match_all('/(\?|:[A-z0-9_]+)/u', $this->sql, $matches, PREG_OFFSET_CAPTURE)) {
-            $noname = 0;
-            foreach ($matches[0] as $id=>$match) {
-                $match[2] = $matches[1][$id][0];                
-                $name = ($match[2][0] === ':') ? ltrim($match[2], ':') : $noname++;
-                $this->map[$name]['placeholder'] = $match[0];
-                $this->map[$name]['offset'][]    = $match[1];
-            }
-        }
-    }
-    
-    protected function assemble()
-    {
-        if (empty($this->map)) {
-            return $this->sql;
-        }
-        
-        $query = $this->sql;
-        $placeholders = array();
-        foreach($this->map as $name => $place) {
-            $value = $this->driver->quote($this->params[$name]);
-            foreach ($place['offset'] as $offset) {
-                $placeholders[$offset] = array('placeholder' => $place['placeholder'], 'value' => $value);
-            }
-        }
-        
-        ksort($placeholders);
-        
-        $increment = 0;
-        foreach($placeholders as $current_offset => $placeholder) {
-            $offset = $current_offset + $increment;
-            $length = mb_strlen($placeholder['placeholder']);
-            $query = mb_substr($query, 0, $offset) . $placeholder['value'] . mb_substr($query, $offset + $length);
-            $increment = (($increment - $length) + mb_strlen($placeholder['value']));
-        }
-        return $query;
-    }
-    
     public function __destruct()
     {
         $this->close();
@@ -165,6 +102,10 @@ abstract class DbStatement
     
     /* Abstract methods */
 
+    abstract public function bindParam($param, &$value);
+
+    abstract protected function assemble();
+    
     abstract public function fetch($style = Db::FETCH_OBJ);
     
     abstract public function fetchObject($class = 'stdClass');
@@ -181,5 +122,5 @@ abstract class DbStatement
     /**
      * @return bool
      */
-    abstract protected function driverExecute($sql);
+    abstract protected function driverExecute($request);
 }

model/MongoDbCommand.php

@@ -65,9 +65,15 @@ class FindMongoCommand extends MongoDbCommand
 
     protected $fields;
 
+    protected $multiple = true;
+
     protected function concreteExecute()
     {
-        return $this->collection->find($this->condition, $this->fields);
+        if($this->multiple) {
+            return $this->collection->find($this->condition, $this->fields);
+        } else {
+            return $this->collection->findOne($this->condition, $this->fields);
+        }
     }
 
     protected function checkParams()
@@ -84,7 +90,7 @@ class InsertMongoCommand extends MongoDbCommand
 {
     protected $data;
 
-    protected $safe;
+    protected $safe = true;
 
     protected function concreteExecute()
     {
@@ -107,13 +113,16 @@ class UpdateMongoCommand extends MongoDbCommand
 
     protected $data;
 
-    protected $upsert;
+    protected $multiple = true;
+
+    protected $upsert = false;
 
-    protected $safe;
+    protected $safe = true;
 
     protected function concreteExecute()
     {
-        return $this->collection->update($this->condition, $this->data, array('upsert' => $this->upsert, 'safe' => $this->safe));
+        return $this->collection->update($this->condition, $this->data,
+                                         array('multiple' => $this->multiple, 'upsert' => $this->upsert, 'safe' => $this->safe));
     }
 
     protected function checkParams()
@@ -132,7 +141,7 @@ class RemoveMongoCommand extends MongoDbCommand
 {
     protected $condition;
 
-    protected $safe;
+    protected $safe = true;
 
     protected function concreteExecute()
     {

model/MongoDriver.php

@@ -12,66 +12,90 @@
  */
 class MongoDriver extends NoSqlDbDriver
 {
-
-
-    protected $last_inset_id = 0;
+    protected $last_insert_id = 0;
 
     protected $db_name = 'admin';
 
+    protected $db = null;
+
     protected function getCollection($name)
     {
+        if (!$this->connection) {
+            $this->connect();
+        }
         return $this->connection->selectCollection($this->db, $name);
     }
 
-    public function find($collection, $condition = array(), $fields = array(), $cache_key = null)
+    public function find($collection, $condition = array(), $fields = array())
     {
-        return $this->getCollection($collection)->find($condition, $fields);
+        $command = MongoCommandBuilder::factory(MongoCommandBuilder::FIND, $this->getCollection($collection));
+        $params = array(
+            'condition' => $condition,
+            'fields' => $fields
+        );
+
+        return $this->query($command, $params);
     }
 
     public function get($collection, $condition, $fields = array())
     {
-        return $this->getCollection($collection)->findOne($condition, $fields);
+        $command = MongoCommandBuilder::factory(MongoCommandBuilder::FIND, $this->getCollection($collection));
+        $params = array(
+            'condition' => $condition,
+            'fields' => $fields,
+            'multiple' => false
+        );
+        return $this->query($command, $params);
     }
 
     public function insert($collection, $data, $safe = true)
     {
-        $result = $this->getCollection($collection)->insert($data, array('safe' => $safe));
-        if (isset($result['ok']) && $result['ok'] == 1) {
-            $this->last_inset_id = (string) $data['_id'];
-            return true;
-        } else {
-            return false;
-        }
+        $command = MongoCommandBuilder::factory(MongoCommandBuilder::INSERT, $this->getCollection($collection));
+        $params = array(
+            'data' => $data,
+            'safe' => $safe
+        );
+
+        return $this->query($command, $params)->affectedRows();
     }
 
-    public function update($collection, $data, $condition = array(), $upsert = false, $safe = true)
+    public function update($collection, $data, $condition = array(), $multiple = true, $upsert = false, $safe = true)
     {
-        $result = $this->getCollection($collection)->update($condition, $data, array('upsert' => $upsert, 'safe' => $safe));
+        $command = MongoCommandBuilder::factory(MongoCommandBuilder::UPDATE, $this->getCollection($collection));
+        $params = array(
+            'data' => $data,
+            'condition' => $condition,
+            'multiple' => $multiple,
+            'upsert' => $upsert,
+            'safe' => $safe
+        );
 
-        if (isset($result['ok']) && $result['ok'] == 1) {
-            if(isset($result['updatedExisting']) && isset($result['upserted'])) {
-                $this->last_inset_id = (string) $result['upserted'];
-            }
-            return $result['n'];
-        } else {
-            return false;
-        }
+        return $this->query($command, $params)->affectedRows();
     }
 
     public function delete($collection, $condition = array(), $safe = true)
     {
-        $result = $this->getCollection($collection)->remove($condition, array('safe' => $safe));
-        if (isset($result['ok']) && $result['ok'] == 1) {
-            return $result['n'];
-        } else {
-            return false;
-        }
+        $command = MongoCommandBuilder::factory(MongoCommandBuilder::REMOVE, $this->getCollection($collection));
+        $params = array(
+            'condition' => $condition,
+            'safe' => $safe
+        );
+
+        return $this->query($command, $params)->affectedRows();
     }
 
+    /**
+     * @param mixed $request
+     * @return DbStatement
+     */
+    public function prepare($request)
+    {
+        return new MongoStatement($this, $request);
+    }
 
     public function getInsertId($table = null, $key = null)
     {
-        return $this->last_inset_id;
+        return $this->last_insert_id;
     }
 
     public function isConnected()
@@ -110,4 +134,3 @@ class MongoDriver extends NoSqlDbDriver
         $this->db = $this->connection->selectDB($this->config['db']);
     }
 }
-

model/MongoStatement.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage db
+ * @since 2011-11-15
+ */
+
+/**
+ * @property MongoDriver $driver
+ * @property MongoCursor $result
+ */
+class MongoStatement extends DbStatement
+{
+
+    public function fetch($style = Db::FETCH_OBJ)
+    {
+        if (!$this->result) {
+            return false;
+        }
+
+        $row = false;
+        switch ($style) {
+            case Db::FETCH_OBJ:
+                $row = $this->fetchObject();
+                break;
+            case Db::FETCH_ASSOC:
+                if ($this->result instanceof MongoCursor) {
+                    $row = $this->result->getNext();
+                } else {
+                    $row = $this->result;
+                }
+                break;
+            default:
+                throw new Exception('Invalid fetch mode "' . $style . '" specified');
+        }
+        return $row;
+    }
+
+    public function fetchObject($class = 'stdClass')
+    {
+        if ($this->result instanceof MongoCursor) {
+            $row = $this->result->getNext();
+        } else {
+            $row = $this->result;
+        }
+        if (is_array($row) && isset($row['_id'])) {
+            $row = new ArrayObject($row, ArrayObject::ARRAY_AS_PROPS);
+        } else {
+            $row = false;
+        }
+        return $row;
+    }
+
+    public function close()
+    {
+        // TODO: Implement close() method.
+    }
+
+    /**
+     * @return int
+     */
+    public function affectedRows()
+    {
+        if (is_array($this->result)) {
+            if (isset($this->result['ok']) && $this->result['ok'] == 1 && isset($this->result['n'])) {
+                return $this->result['n'];
+            } else {
+                return false;
+            }
+        }
+        return false;
+    }
+
+    public function numRows()
+    {
+        if ($this->result instanceof MongoCursor) {
+            return $this->result->count();
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * @param MongoDbComand $request
+     * @return bool
+     */
+    protected function driverExecute($request)
+    {
+        $mongo = $this->driver->getConnection();
+        if ($mongo instanceof Mongo) {
+            if (DEBUG) {
+                $profiler = Profiler::getInstance()->profilerCommand('Mongo', $request);
+                $result = $request->execute();
+                $profiler->end();
+            } else {
+                $result = $request->execute();
+            }
+            if ($result === false) {
+                throw new Exception('MongoDB request error.');
+            }
+            if ($result instanceof MongoCursor || is_array($result)) {
+                $this->result = $result;
+            }
+            return true;
+        } else {
+            throw new Exception('No connection to MongoDB server.');
+        }
+    }
+
+    public function bindParam($param, &$value)
+    {
+        $this->request->bindParam($param, $value);
+    }
+
+    protected function assemble()
+    {
+        return $this->request;
+    }
+}

model/MySQLiStatement.php

@@ -16,6 +16,68 @@
 class MySQLiStatement extends DbStatement
 {
 
+    protected $map = null;
+
+    public function bindParam($param, &$value)
+    {
+        if ($this->map === null) {
+            $this->mapPlaceholders();
+        }
+        if (count($this->map) > 0) {
+            if (!is_string($param) && !is_int($param)) {
+                throw new Exception('Placeholder must be an array or string');
+            }
+            if (is_object($value) && ! ($value instanceof DbExpr)) {
+                throw new Exception('Objects excepts DbExpr not allowed.');
+            }
+            if (isset($this->map[$param])) {
+                $this->params[$param] = &$value;
+                return true;
+            }
+        }
+        return false;
+    }
+    protected function mapPlaceholders()
+    {
+        $matches = array();
+        if(preg_match_all('/(\?|:[A-z0-9_]+)/u', $this->request, $matches, PREG_OFFSET_CAPTURE)) {
+            $noname = 0;
+            foreach ($matches[0] as $id=>$match) {
+                $match[2] = $matches[1][$id][0];
+                $name = ($match[2][0] === ':') ? ltrim($match[2], ':') : $noname++;
+                $this->map[$name]['placeholder'] = $match[0];
+                $this->map[$name]['offset'][]    = $match[1];
+            }
+        }
+    }
+
+    protected function assemble()
+    {
+        if (empty($this->map)) {
+            return $this->request;
+        }
+
+        $query = $this->request;
+        $placeholders = array();
+        foreach($this->map as $name => $place) {
+            $value = $this->driver->quote($this->params[$name]);
+            foreach ($place['offset'] as $offset) {
+                $placeholders[$offset] = array('placeholder' => $place['placeholder'], 'value' => $value);
+            }
+        }
+
+        ksort($placeholders);
+
+        $increment = 0;
+        foreach($placeholders as $current_offset => $placeholder) {
+            $offset = $current_offset + $increment;
+            $length = mb_strlen($placeholder['placeholder']);
+            $query = mb_substr($query, 0, $offset) . $placeholder['value'] . mb_substr($query, $offset + $length);
+            $increment = (($increment - $length) + mb_strlen($placeholder['value']));
+        }
+        return $query;
+    }
+
     /**
      * Fetches single row
      * 
@@ -77,21 +139,21 @@ class MySQLiStatement extends DbStatement
         return false;
     }
     
-    protected function driverExecute($sql)
+    protected function driverExecute($request)
     {
         /**
          * @var MySQLi
          */
         $mysqli = $this->driver->getConnection();
         if (DEBUG) {
-            $profiler = Profiler::getInstance()->profilerCommand('MySQL', $sql);
-            $result = $mysqli->query($sql);
+            $profiler = Profiler::getInstance()->profilerCommand('MySQL', $request);
+            $result = $mysqli->query($request);
             $profiler->end();
         } else {
-            $result = $mysqli->query($sql);
+            $result = $mysqli->query($request);
         }
         if ($result === false) {
-            $message = $mysqli->error . "\nQuery: \"" . $sql . '"';
+            $message = $mysqli->error . "\nQuery: \"" . $request . '"';
             throw new Exception($message, $mysqli->errno);
         }
         if ($result instanceof MySQLi_Result) {

model/NoSqlDbDriver.php

@@ -10,5 +10,5 @@
 abstract class NoSqlDbDriver extends DbDriver
 {
     
-    abstract function find($collection, $condition = array(), $fields = array(), $cache_key = null);
+    abstract function find($collection, $condition = array(), $fields = array());
 }

model/SqlDbDriver.php

@@ -36,22 +36,6 @@ abstract class SqlDbDriver extends DbDriver
     }
 
     /**
-     * @param string $sql
-     * @param mixed $params
-     * @return DbStatement
-     */
-    public function query($sql, $params = array())
-    {
-        $this->connect();
-        if (!is_array($params)) {
-            $params = array($params);
-        }
-        $stmt = $this->prepare($sql);
-        $stmt->execute($params);
-        return $stmt;
-    }
-
-    /**
      * @param string $table
      * @param mixed $bind
      * @param mixed $on_duplicate
@@ -171,7 +155,6 @@ abstract class SqlDbDriver extends DbDriver
     /**
      * @return DbStatement
      */
-    abstract public function prepare($sql);
 
     abstract protected function driverQuote($value);