Better comment length calculation

app/config/points.yml

@@ -1,7 +1,7 @@
 # Points configuration for Expression Language component evaluation
 
 # Additional points for length of comment or reply.
-points_message_length: 'strlen(message) > 100 ? 1 : 0'
+points_message_length: 'floor(strlen(message)/50)'
 
 # Points for number of likes on comment or reply
 points_for_likes: '(likes > 100) ? 11 : ceil(likes / 10)'
@@ -40,8 +40,8 @@ urls:
     - ['stackoverflow.com', 5]
     - ['phpunit.de', 5]
     - ['php-fig.org', 5]
+    - ['w3schools.com', -10]
     - ['lmgtfy.com', -10]
-    - ['w3schools.com', -20]
 
 # Points for topics from admins
 points_for_admin_topics: '(topic.getUser().getId() in admins) ? 5 : 0'

src/ExpressionLanguage/NumberExpressionLanguageProvider.php

@@ -19,6 +19,15 @@ public function getFunctions()
 
                 return ceil($num);
             }),
+            new ExpressionFunction('floor', function ($num) {
+                return sprintf('(is_numeric(%1$s) ? floor(%1$s) : %1$s)', $num);
+            }, function ($arguments, $num) {
+                if (!is_numeric($num)) {
+                    return $num;
+                }
+
+                return floor($num);
+            }),
         ];
     }
 }

tests/PointsTest.php

@@ -115,6 +115,10 @@ public function commentsAndRepliesProvider()
             ['Lorem ipsum dolor sit amet.', 0, 1],
             ['Lorem ipsum dolor sit amet', 5, 2],
             ['Lorem ipsum dolor sit amet', 11, 3],
+            [str_repeat("a", 10), 0, 1],
+            [str_repeat("a", 50), 0, 2],
+            [str_repeat("a", 100), 0, 3],
+            [str_repeat("a", 2000), 0, 41],
         ];
     }