Added exculde functionality to stats component

library/Solarium/QueryType/Select/Query/Component/Stats/Field.php

@@ -52,6 +52,13 @@ class Field extends Configurable
      */
     protected $facets = array();
 
+    /**
+     * Exclude tags for this stat
+     *
+     * @var array
+     */
+    protected $excludes = array();
+
     /**
      * Initialize options
      *
@@ -67,6 +74,13 @@ class Field extends Configurable
                 case 'facet':
                     $this->setFacets($value);
                     break;
+                case 'exclude':
+                    if (!is_array($value)) {
+                        $value = array($value);
+                    }
+                    $this->setExcludes($value);
+                    unset($this->options['exclude']);
+                    break;
             }
         }
     }
@@ -179,4 +193,83 @@ class Field extends Configurable
 
         return $this;
     }
-}
+
+
+    /**
+     * Add an exclude tag
+     *
+     * @param  string $tag
+     * @return self   Provides fluent interface
+     */
+    public function addExclude($tag)
+    {
+        $this->excludes[$tag] = true;
+
+        return $this;
+    }
+
+    /**
+     * Add multiple exclude tags
+     *
+     * @param  array $excludes
+     * @return self  Provides fluent interface
+     */
+    public function addExcludes(array $excludes)
+    {
+        foreach ($excludes as $exclude) {
+            $this->addExclude($exclude);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Get all excludes
+     *
+     * @return array
+     */
+    public function getExcludes()
+    {
+        return array_keys($this->excludes);
+    }
+
+    /**
+     * Remove a single exclude tag
+     *
+     * @param  string $exclude
+     * @return self   Provides fluent interface
+     */
+    public function removeExclude($exclude)
+    {
+        if (isset($this->excludes[$exclude])) {
+            unset($this->excludes[$exclude]);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Remove all excludes
+     *
+     * @return self Provides fluent interface
+     */
+    public function clearExcludes()
+    {
+        $this->excludes = array();
+
+        return $this;
+    }
+
+    /**
+     * Set multiple excludes
+     *
+     * This overwrites any existing excludes
+     *
+     * @param array $excludes
+     */
+    public function setExcludes($excludes)
+    {
+        $this->clearExcludes();
+        $this->addExcludes($excludes);
+    }
+}
\ No newline at end of file

library/Solarium/QueryType/Select/RequestBuilder/Component/Stats.php

@@ -40,11 +40,12 @@ namespace Solarium\QueryType\Select\RequestBuilder\Component;
 
 use Solarium\QueryType\Select\Query\Component\Stats\Stats as StatsComponent;
 use Solarium\Core\Client\Request;
+use Solarium\Core\Query\RequestBuilder;
 
 /**
  * Add select component stats to the request
  */
-class Stats implements ComponentRequestBuilderInterface
+class Stats extends RequestBuilder
 {
     /**
      * Add request settings for the stats component
@@ -61,7 +62,12 @@ class Stats implements ComponentRequestBuilderInterface
         // add fields
         foreach ($component->getFields() as $field) {
 
-            $request->addParam('stats.field', $field->getKey());
+            $value = $this->renderLocalParams(
+                $field->getKey(),
+                array('ex' => $field->getExcludes())
+            );
+
+            $request->addParam('stats.field', $value);
 
             // add field specific facet stats
             foreach ($field->getFacets() as $facet) {
@@ -76,4 +82,4 @@ class Stats implements ComponentRequestBuilderInterface
 
         return $request;
     }
-}
+}
\ No newline at end of file