Added special:tumbleweed

public_html/templates/help.tpl

@@ -130,6 +130,7 @@
                     {search: 'special:liked', description: 'posts liked by currently logged in user'},
                     {search: 'special:disliked', description: 'posts disliked by currently logged in user'},
                     {search: 'special:fav', description: 'posts added to favorites by currently logged in user'},
+                    {search: 'special:tumbleweed', description: 'posts with score of 0, without comments and without favorites'},
                 ];
                 _.each(table, function(row) { %>
                     <tr>

src/Dao/PostDao.php

@@ -194,6 +194,17 @@ class PostDao extends AbstractDao implements ICrudDao
             return;
         }
 
+        elseif ($requirement->getType() === PostFilter::REQUIREMENT_TUMBLEWEED)
+        {
+            $sql = 'posts.score = 0
+                AND posts.commentCount = 0
+                AND posts.favCount = 0';
+            if ($requirement->isNegated())
+                $sql = 'NOT (' . $sql . ')';
+            $query->where($sql, true);
+            return;
+        }
+
         parent::decorateQueryFromRequirement($query, $requirement);
     }
 

src/Search/Filters/PostFilter.php

@@ -34,6 +34,7 @@ class PostFilter extends BasicFilter implements IFilter
     const REQUIREMENT_COMMENT_AUTHOR = 'commentedBy.name';
     const REQUIREMENT_TYPE = 'posts.contentType';
     const REQUIREMENT_USER_SCORE = 'posts.userScore';
+    const REQUIREMENT_TUMBLEWEED = 'tumbleweed';
 
     public function __construct()
     {

src/Search/ParserConfigs/PostSearchParserConfig.php

@@ -165,6 +165,16 @@ class PostSearchParserConfig extends AbstractSearchParserConfig
                 $token->setValue($this->authService->getLoggedInUser()->getName());
                 return $this->getRequirementForNamedToken($token);
             });
+
+        $this->defineSpecialTokenParser(
+            ['tumbleweed'],
+            function (SearchToken $token)
+            {
+                $requirement = new Requirement();
+                $requirement->setType(PostFilter::REQUIREMENT_TUMBLEWEED);
+                $requirement->setNegated($token->isNegated());
+                return $requirement;
+            });
     }
 
     public function createFilter()