Fix value function (#174)

Author: wachterjohannes

Search/ExpressionLanguage/MassiveSearchExpressionLanguage.php

@@ -13,6 +13,7 @@
 
 use Symfony\Component\ExpressionLanguage\ExpressionFunction;
 use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
+use Symfony\Component\PropertyAccess\PropertyAccessor;
 
 /**
  * Expression language for massive search bundle.
@@ -95,14 +96,17 @@ function(array $values, $elements, $expression) {
      */
     private function createValueFunction()
     {
+        $accessor = new PropertyAccessor();
+
         return new ExpressionFunction(
             'massive_search_value',
             function($elements, $expression) {
                 throw new \Exception('Value function does not support compilation');
             },
-            function(array $values, $variable, $default) {
-                if (isset($values[$variable])) {
-                    return $values[$variable];
+            function(array $values, $propertyPath, $default = null) use ($accessor) {
+                $value = $accessor->getValue($values, $propertyPath);
+                if (null !== $value) {
+                    return $value;
                 }
 
                 return $default;

Tests/Unit/Search/ExpressionLanguage/MassiveSearchExpressionLanguageTest.php

@@ -37,30 +37,45 @@ public function provideExpression()
                 ['one', 'two', 'three'],
             ],
             [
-                'massive_search_value("three", null)',
+                'massive_search_value("[three]")',
                 null,
                 ['one' => 'X', 'two' => 'Y'],
             ],
             [
-                'massive_search_value("three", "default")',
+                'massive_search_value("[three]", null)',
+                null,
+                ['one' => 'X', 'two' => 'Y'],
+            ],
+            [
+                'massive_search_value("[three]", "default")',
                 'default',
                 ['one' => 'X', 'two' => 'Y'],
             ],
             [
-                'massive_search_value("three", null)',
+                'massive_search_value("[three]", null)',
                 'Z',
                 ['one' => 'X', 'two' => 'Y', 'three' => 'Z'],
             ],
             [
-                'massive_search_value("three", {"test": true})["test"]',
+                'massive_search_value("[three]", {"test": true})["test"]',
                 true,
                 ['one' => 'X', 'two' => 'Y'],
             ],
             [
-                'massive_search_value("three", {"test": true})["test"]',
+                'massive_search_value("[three]", {"test": true})["test"]',
                 false,
                 ['one' => 'X', 'two' => 'Y', 'three' => ['test' => false]],
             ],
+            [
+                'massive_search_value("[three][test]", true)',
+                true,
+                ['one' => 'X', 'two' => 'Y'],
+            ],
+            [
+                'massive_search_value("[XX][test]", true)',
+                false,
+                ['one' => 'X', 'two' => 'Y', 'XX' => ['test' => false]],
+            ],
         ];
     }