add upvote and downvote metatags

app/logical/post_query_builder.rb

@@ -348,6 +348,18 @@ class PostQueryBuilder
       end
     end
 
+    if q[:upvote].present?
+      user_id = q[:upvote]
+      post_ids = PostVote.where(:user_id => user_id).where("score > 0").limit(400).pluck(:post_id)
+      relation = relation.where("posts.id in (?)", post_ids)
+    end
+
+    if q[:downvote].present?
+      user_id = q[:downvote]
+      post_ids = PostVote.where(:user_id => user_id).where("score < 0").limit(400).pluck(:post_id)
+      relation = relation.where("posts.id in (?)", post_ids)
+    end
+
     if q[:ordfav].present?
       user_id = q[:ordfav].to_i
       user = User.find(user_id)

app/logical/reports/user_similarity.rb

@@ -12,7 +12,7 @@ module Reports
       User.find(user_id)
     end
 
-    def prime_similar_users(endpoint = "user_similarity")
+    def prime(endpoint = "user_similarity")
       10.times do
         result = fetch_similar_user_ids(endpoint)
         if result == NOT_READY_STRING

app/models/super_voter.rb

@@ -14,7 +14,7 @@ class SuperVoter < ActiveRecord::Base
   def self.init!
     prune!
     report = Reports::UserSimilarity.new(User.admins.first.id)
-    report.prime_similar_users("post_vote_similarity")
+    report.prime("post_vote_similarity")
 
     report.result.scan(/\S+/).in_groups_of(2).each do |user_id, score|
       unless where("user_id = ?", user_id.to_i).exists?

app/models/tag.rb

@@ -1,6 +1,6 @@
 class Tag < ActiveRecord::Base
   COSINE_SIMILARITY_RELATED_TAG_THRESHOLD = 1000
-  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|sub|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|gentags|arttags|chartags|copytags|parent|-parent|child|pixiv_id|pixiv|search"
+  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|sub|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|gentags|arttags|chartags|copytags|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote"
   SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm"
   attr_accessible :category, :as => [:moderator, :janitor, :gold, :member, :anonymous, :default, :builder, :admin]
   attr_accessible :is_locked, :as => [:moderator, :admin]
@@ -591,6 +591,16 @@ class Tag < ActiveRecord::Base
           when "pixiv_id", "pixiv"
             q[:pixiv_id] = parse_helper($2)
 
+          when "upvote"
+            if CurrentUser.user.is_janitor?
+              q[:upvote] = User.name_to_id($2)
+            end
+
+          when "downvote"
+            if CurrentUser.user.is_janitor?
+              q[:downvote] = User.name_to_id($2)
+            end
+
           end
 
         else