search: add disapproval:<any|none|disinterest|poor_quality|breaks_rules> metatag.

app/javascript/src/javascripts/autocomplete.js.erb

@@ -128,6 +128,7 @@ Autocomplete.initialize_tag_autocomplete = function() {
       case "child":
       case "parent":
       case "filetype":
+      case "disapproval":
         Autocomplete.static_metatag_source(term, resp, metatag);
         return;
       case "user":
@@ -415,6 +416,9 @@ Autocomplete.static_metatags = {
   filetype: [
     "jpg", "png", "gif", "swf", "zip", "webm", "mp4"
   ],
+  disapproval: [
+    "any", "none", "disinterest", "poor_quality", "breaks_rules"
+  ]
 }
 
 Autocomplete.static_metatag_source = function(term, resp, metatag) {

app/logical/anonymous_user.rb

@@ -229,8 +229,12 @@ class AnonymousUser
     false
   end
 
+  def post_disapprovals
+    PostDisapproval.none
+  end
+
   def saved_searches
-    SavedSearch.where(false)
+    SavedSearch.none
   end
 
   def has_saved_searches?

app/logical/post_query_builder.rb

@@ -222,6 +222,34 @@ class PostQueryBuilder
       end
     end
 
+    if q[:disapproval]
+      q[:disapproval].each do |disapproval|
+        disapprovals = CurrentUser.user.post_disapprovals.select(:post_id)
+
+        if disapproval.in?(%w[none false])
+          relation = relation.where.not("posts.id": disapprovals)
+        elsif disapproval.in?(%w[any all true])
+          relation = relation.where("posts.id": disapprovals)
+        else
+          relation = relation.where("posts.id": disapprovals.where(reason: disapproval))
+        end
+      end
+    end
+
+    if q[:disapproval_neg]
+      q[:disapproval_neg].each do |disapproval|
+        disapprovals = CurrentUser.user.post_disapprovals.select(:post_id)
+
+        if disapproval.in?(%w[none false])
+          relation = relation.where("posts.id": disapprovals)
+        elsif disapproval.in?(%w[any all true])
+          relation = relation.where.not("posts.id": disapprovals)
+        else
+          relation = relation.where.not("posts.id": disapprovals.where(reason: disapproval))
+        end
+      end
+    end
+
     if q[:flagger_ids_neg]
       q[:flagger_ids_neg].each do |flagger_id|
         if CurrentUser.can_view_flagger?(flagger_id)

app/models/tag.rb

@@ -1,6 +1,6 @@
 class Tag < ApplicationRecord
   COSINE_SIMILARITY_RELATED_TAG_THRESHOLD = 300
-  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote|filetype|-filetype|flagger|-flagger|appealer|-appealer|" +
+  METATAGS = "-user|user|-approver|approver|commenter|comm|noter|noteupdater|artcomm|-pool|pool|ordpool|-favgroup|favgroup|-fav|fav|ordfav|md5|-rating|rating|-locked|locked|width|height|mpixels|ratio|score|favcount|filesize|source|-source|id|-id|date|age|order|limit|-status|status|tagcount|parent|-parent|child|pixiv_id|pixiv|search|upvote|downvote|filetype|-filetype|flagger|-flagger|appealer|-appealer|disapproval|-disapproval|" +
     TagCategory.short_name_list.map {|x| "#{x}tags"}.join("|")
   SUBQUERY_METATAGS = "commenter|comm|noter|noteupdater|artcomm|flagger|-flagger|appealer|-appealer"
   has_one :wiki_page, :foreign_key => "title", :primary_key => "name"
@@ -577,6 +577,14 @@ class Tag < ApplicationRecord
             user_id = User.name_to_id(g2)
             q[:artcomm_ids] << user_id unless user_id.blank?
 
+          when "disapproval"
+            q[:disapproval] ||= []
+            q[:disapproval] << g2
+
+          when "-disapproval"
+            q[:disapproval_neg] ||= []
+            q[:disapproval_neg] << g2
+
           when "-pool"
             if g2.downcase == "none"
               q[:pool] = "any"

test/unit/post_test.rb

@@ -2308,6 +2308,24 @@ class PostTest < ActiveSupport::TestCase
       end
     end
 
+    should "return posts for a disapproval:<type> metatag" do
+      CurrentUser.scoped(FactoryBot.create(:mod_user)) do
+        pending     = FactoryBot.create(:post, is_pending: true)
+        disapproved = FactoryBot.create(:post, is_pending: true)
+        disapproval = FactoryBot.create(:post_disapproval, post: disapproved, reason: "disinterest")
+
+        assert_tag_match([pending],     "disapproval:none")
+        assert_tag_match([disapproved], "disapproval:any")
+        assert_tag_match([disapproved], "disapproval:disinterest")
+        assert_tag_match([],            "disapproval:breaks_rules")
+
+        assert_tag_match([disapproved],          "-disapproval:none")
+        assert_tag_match([pending],              "-disapproval:any")
+        assert_tag_match([pending],              "-disapproval:disinterest")
+        assert_tag_match([disapproved, pending], "-disapproval:breaks_rules")
+      end
+    end
+
     should "return posts ordered by a particular attribute" do
       posts = (1..2).map do |n|
         tags = ["tagme", "gentag1 gentag2 artist:arttag char:chartag copy:copytag"]