From 5d4592e0e0752323d551d815df5c91dbc11f6252 Mon Sep 17 00:00:00 2001
From: Type-kun <workwork-1@yandex.ru>
Date: Tue, 13 Jun 2017 00:15:49 +0500
Subject: [PATCH] Add "flagger:" and "appealer:" metatags (fixes #3142)

---
 app/logical/post_query_builder.rb | 38 +++++++++++++++++++++++++++++
 app/models/tag.rb                 | 40 ++++++++++++++++++++++++++++---
 2 files changed, 75 insertions(+), 3 deletions(-)

diff --git a/app/logical/post_query_builder.rb b/app/logical/post_query_builder.rb
index 8a0fa072e..9cc22f854 100644
--- a/app/logical/post_query_builder.rb
+++ b/app/logical/post_query_builder.rb
@@ -236,6 +236,44 @@ class PostQueryBuilder
       has_constraints!
     end
 
+    if q[:flagger_ids_neg]
+      q[:flagger_ids_neg].each do |flagger_id|
+        relation = relation.where("posts.id NOT IN (?)", PostFlag.unscoped.search({:creator_id => flagger_id, :category => "normal"}).reorder("").select(:post_id).distinct)
+      end
+    end
+
+    if q[:flagger_ids]
+      q[:flagger_ids].each do |flagger_id|
+        if flagger_id == "any"
+          relation = relation.where('EXISTS (' + PostFlag.unscoped.search({:category => "normal"}).where('post_id = posts.id').reorder('').select('1').to_sql + ')')
+        elsif flagger_id == "none"
+          relation = relation.where('NOT EXISTS (' + PostFlag.unscoped.search({:category => "normal"}).where('post_id = posts.id').reorder('').select('1').to_sql + ')')
+        else
+          relation = relation.where("posts.id IN (?)", PostFlag.unscoped.search({:creator_id => flagger_id, :category => "normal"}).reorder("").select(:post_id).distinct)
+        end
+      end
+      has_constraints!
+    end
+
+    if q[:appealer_ids_neg]
+      q[:appealer_ids_neg].each do |appealer_id|
+        relation = relation.where("posts.id NOT IN (?)", PostAppeal.unscoped.where(creator_id: appealer_id).select(:post_id).distinct)
+      end
+    end
+
+    if q[:appealer_ids]
+      q[:appealer_ids].each do |appealer_id|
+        if appealer_id == "any"
+          relation = relation.where('EXISTS (' + PostAppeal.unscoped.where('post_id = posts.id').select('1').to_sql + ')')
+        elsif appealer_id == "none"
+          relation = relation.where('NOT EXISTS (' + PostAppeal.unscoped.where('post_id = posts.id').select('1').to_sql + ')')
+        else
+          relation = relation.where("posts.id IN (?)", PostAppeal.unscoped.where(creator_id: appealer_id).select(:post_id).distinct)
+        end
+      end
+      has_constraints!
+    end
+
     if q[:commenter_ids]
       q[:commenter_ids].each do |commenter_id|
         if commenter_id == "any"
diff --git a/app/models/tag.rb b/app/models/tag.rb
index ddfe9e9cb..32d7189ea 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -1,7 +1,7 @@
 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|upvote|downvote|filetype|-filetype"
-  SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm"
+  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|filetype|-filetype|flagger|-flagger|appealer|-appealer"
+  SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm|flagger|-flagger|appealer|-appealer"
   attr_accessible :category, :as => [:moderator, :gold, :platinum, :member, :anonymous, :default, :builder, :admin]
   attr_accessible :is_locked, :as => [:moderator, :admin]
   has_one :wiki_page, :foreign_key => "title", :primary_key => "name"
@@ -442,7 +442,7 @@ class Tag < ActiveRecord::Base
 
           when "approver"
             if $2 == "none"
-              q[:approver_id] = "none"              
+              q[:approver_id] = "none"
             elsif $2 == "any"
               q[:approver_id] = "any"
             else
@@ -450,6 +450,40 @@ class Tag < ActiveRecord::Base
               q[:approver_id] = user_id unless user_id.blank?
             end
 
+          when "flagger"
+            q[:flagger_ids] ||= []
+
+            if $2 == "none"
+              q[:flagger_ids] << "none"
+            elsif $2 == "any"
+              q[:flagger_ids] << "any"
+            else
+              user_id = User.name_to_id($2)
+              q[:flagger_ids] << user_id unless user_id.blank?
+            end
+
+          when "-flagger"
+            q[:flagger_ids_neg] ||= []
+            user_id = User.name_to_id($2)
+            q[:flagger_ids_neg] << user_id unless user_id.blank?
+
+          when "appealer"
+            q[:appealer_ids] ||= []
+
+            if $2 == "none"
+              q[:appealer_ids] << "none"
+            elsif $2 == "any"
+              q[:appealer_ids] << "any"
+            else
+              user_id = User.name_to_id($2)
+              q[:appealer_ids] << user_id unless user_id.blank?
+            end
+
+          when "-appealer"
+            q[:appealer_ids_neg] ||= []
+            user_id = User.name_to_id($2)
+            q[:appealer_ids_neg] << user_id unless user_id.blank?
+
           when "commenter", "comm"
             q[:commenter_ids] ||= []