fix #4052

library/Rediska/Command/GetSortedSetLengthByScore.php

@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Get count of members from sorted set by min and max score
+ * 
+ * @author Ivan Shumkov
+ * @package Rediska
+ * @subpackage Commands
+ * @version @package_version@
+ * @link http://rediska.geometria-lab.net
+ * @license http://www.opensource.org/licenses/bsd-license.php
+ */
+class Rediska_Command_GetSortedSetLengthByScore extends Rediska_Command_Abstract
+{
+    /**
+     * Supported version
+     *
+     * @var string
+     */
+    protected $_version = '1.1';
+
+    /**
+     * Create command
+     *
+     * @param string $key Key name
+     * @param number $min Min score
+     * @param number $max Max score
+     * @return Rediska_Connection_Exec
+     */
+    public function create($key, $min, $max)
+    {
+        $connection = $this->_rediska->getConnectionByKeyName($key);
+
+        $command = array('ZCOUNT', $this->_rediska->getOption('namespace') . $key, $min, $max);
+
+        return new Rediska_Connection_Exec($connection, $command);
+    }
+}

library/Rediska/Commands.php

@@ -77,6 +77,7 @@ class Rediska_Commands
         'getsortedset'               => 'Rediska_Command_GetSortedSet',
         'getfromsortedsetbyscore'    => 'Rediska_Command_GetFromSortedSetByScore',
         'getsortedsetlength'         => 'Rediska_Command_GetSortedSetLength',
+        'getsortedsetlengthbyscore'  => 'Rediska_Command_GetSortedSetLengthByScore',
         'incrementscoreinsortedset'  => 'Rediska_Command_IncrementScoreInSortedSet',
         'deletefromsortedsetbyscore' => 'Rediska_Command_DeleteFromSortedSetByScore',
         'deletefromsortedsetbyrank'  => 'Rediska_Command_DeleteFromSortedSetByRank',

library/Rediska/Key/Hash.php

@@ -228,6 +228,16 @@ public function getValues()
         return $this->_getRediskaOn()->getHashValues($this->getName());
     }
 
+    /**
+     * Get hash length
+     *
+     * @return intger
+     */
+    public function getLength()
+    {
+        return $this->_getRediskaOn()->getHashLength($this->getName());
+    }
+
     /**
      * Get hash as array
      *
@@ -242,7 +252,7 @@ public function toArray()
 
     public function count()
     {
-        return $this->_getRediskaOn()->getHashLength($this->getName());
+        return $this->getLength();
     }
 
     /* IteratorAggregate implementation */

library/Rediska/Key/List.php

@@ -54,7 +54,7 @@ public function prepend($value)
      * 
      * @return integer
      */
-    public function count()
+    public function getLength()
     {
         return $this->_getRediskaOn()->getListLength($this->getName());
     }
@@ -248,6 +248,11 @@ public function fromArray(array $array)
      * Implement intrefaces
      */
 
+    public function count()
+    {
+        return $this->getLength();
+    }
+
     public function getIterator()
     {
         return new ArrayObject($this->toArray());

library/Rediska/Key/Set.php

@@ -70,7 +70,7 @@ public function move($set, $value)
      * 
      * @return integer
      */
-    public function count()
+    public function getLength()
     {
         return $this->_getRediskaOn()->getSetLength($this->getName());
     }
@@ -180,6 +180,11 @@ public function fromArray(array $array)
      * Implement intrefaces
      */
 
+    public function count()
+    {
+        return $this->getLength();
+    }
+
     public function getIterator()
     {
         return new ArrayObject($this->toArray());

library/Rediska/Key/SortedSet.php

@@ -49,17 +49,29 @@ public function remove($value)
 
         return $result;
     }
-    
+
     /**
      * Get Sorted set length
-     * 
+     *
      * @return integer
      */
-    public function count()
+    public function getLength()
     {
         return $this->_getRediskaOn()->getSortedSetLength($this->getName());
     }
 
+    /**
+     * Get count of members from sorted set by min and max score
+     *
+     * @param integer $min Min score
+     * @param integer $max Max score
+     * @return integer
+     */
+    public function getLengthByScore($min, $max)
+    {
+        return $this->_getRediskaOn()->getSortedSetLengthByScore($this->getName(), $min, $max);
+    }
+
     /**
      * Get Sorted set by score
      * 
@@ -218,6 +230,11 @@ public function fromArray(array $array)
      * Implement intrefaces
      */
 
+    public function count()
+    {
+        return $this->getLength();
+    }
+
     public function getIterator()
     {
         return new ArrayObject($this->toArray());

tests/library/Rediska/Command/GetSortedSetLengthByScoreTest.php

@@ -0,0 +1,14 @@
+<?php
+
+class Rediska_Command_GetSortedSetLengthByScoreTest extends Rediska_TestCase
+{
+    public function testGetSortedSetLengthByScore()
+    {
+        $this->rediska->addToSortedSet('test', 1, 1);
+        $this->rediska->addToSortedSet('test', 2, 2);
+        $this->rediska->addToSortedSet('test', 3, 3);
+
+        $reply = $this->rediska->getSortedSetLengthByScore('test', 2, 3);
+        $this->assertEquals(2, $reply);
+    }
+}

tests/library/Rediska/Key/SortedSetTest.php

@@ -47,15 +47,25 @@ public function testRemove()
         $this->assertTrue(empty($values));
     }
 
-    public function testCount()
+    public function testGetLength()
     {
         $this->rediska->addToSortedSet('test', 123, 1);
         $this->rediska->addToSortedSet('test', 456, 2);
 
-        $this->assertEquals(2, $this->set->count());
+        $this->assertEquals(2, $this->set->getLength());
         $this->assertEquals(2, count($this->set));
     }
 
+    public function testGetLengthByScore()
+    {
+        $this->rediska->addToSortedSet('test', 1, 1);
+        $this->rediska->addToSortedSet('test', 2, 2);
+        $this->rediska->addToSortedSet('test', 3, 3);
+
+        $reply = $this->set->getLengthByScore(2, 3);
+        $this->assertEquals(2, $reply);
+    }
+
     public function testGetByScore()
     {
         $this->rediska->addToSortedSet('test', 123, 1);