fix #2239

app/models/pool.rb

@@ -4,6 +4,7 @@ class Pool < ActiveRecord::Base
   validates_uniqueness_of :name, :case_sensitive => false
   validates_format_of :name, :with => /\A[^,]+\Z/, :message => "cannot have commas"
   validates_inclusion_of :category, :in => %w(series collection)
+  validate :updater_can_change_category
   belongs_to :creator, :class_name => "User"
   belongs_to :updater, :class_name => "User"
   has_many :versions, lambda {order("pool_versions.id ASC")}, :class_name => "PoolVersion", :dependent => :destroy
@@ -12,6 +13,7 @@ class Pool < ActiveRecord::Base
   before_validation :initialize_is_active, :on => :create
   before_validation :initialize_creator, :on => :create
   before_validation :strip_name
+  after_save :update_category_pseudo_tags_for_posts_async
   after_save :create_version
   after_create :synchronize!
   before_destroy :create_mod_action_for_destroy
@@ -262,7 +264,7 @@ class Pool < ActiveRecord::Base
     end
   end
 
-  def synchronize!
+  def synchronize
     added = post_id_array - post_id_array_was
     removed = post_id_array_was - post_id_array
 
@@ -279,6 +281,10 @@ class Pool < ActiveRecord::Base
     normalize_post_ids
     clear_post_id_array
     self.post_count = post_id_array.size
+  end
+
+  def synchronize!
+    synchronize
     save
   end
 
@@ -372,4 +378,31 @@ class Pool < ActiveRecord::Base
       "updated_at" => updated_at
     }
   end
+
+  def update_category_pseudo_tags_for_posts_async
+    if category_changed?
+      delay(:queue => "default").update_category_pseudo_tags_for_posts
+    end
+  end
+
+  def update_category_pseudo_tags_for_posts
+    Post.where("id in (?)", post_id_array).find_each do |post|
+      post.reload
+      post.set_pool_category_pseudo_tags
+      Post.where(:id => post.id).update_all(:pool_string => post.pool_string)
+    end
+  end
+
+  def category_changeable_by?(user)
+    user.is_builder? || (user.is_member? && post_count <= 100)
+  end
+
+  def updater_can_change_category
+    if category_changed? && !category_changeable_by?(CurrentUser.user)
+      errors[:base] << "You cannot change the category of pools with greater than 100 posts"
+      false
+    else
+      true
+    end
+  end
 end

app/models/post.rb

@@ -19,6 +19,7 @@ class Post < ActiveRecord::Base
   before_save :normalize_tags
   before_save :update_tag_post_counts
   before_save :set_tag_counts
+  before_save :set_pool_category_pseudo_tags
   before_validation :strip_source
   before_validation :initialize_uploader, :on => :create
   before_validation :parse_pixiv_id
@@ -835,6 +836,7 @@ class Post < ActiveRecord::Base
       return if belongs_to_pool?(pool)
       return if pool.is_deleted? && !force
       self.pool_string = "#{pool_string} pool:#{pool.id}".strip
+      set_pool_category_pseudo_tags
       update_column(:pool_string, pool_string) unless new_record?
       pool.add!(self)
     end
@@ -843,6 +845,7 @@ class Post < ActiveRecord::Base
       return unless belongs_to_pool?(pool)
       return if pool.is_deleted? && !force
       self.pool_string = pool_string.gsub(/(?:\A| )pool:#{pool.id}(?:\Z| )/, " ").strip
+      set_pool_category_pseudo_tags
       update_column(:pool_string, pool_string) unless new_record?
       pool.remove!(self)
     end
@@ -852,6 +855,18 @@ class Post < ActiveRecord::Base
         pool.remove!(self)
       end
     end
+
+    def set_pool_category_pseudo_tags
+      self.pool_string = (pool_string.scan(/\S+/) - ["pool:series", "pool:collection"]).join(" ")
+
+      pool_categories = pools.select("category").map(&:category)
+      if pool_categories.include?("series")
+        self.pool_string = "#{pool_string} pool:series".strip
+      end
+      if pool_categories.include?("collection")
+        self.pool_string = "#{pool_string} pool:collection".strip
+      end
+    end
   end
 
   module VoteMethods

app/models/tag.rb

@@ -426,13 +426,23 @@ class Tag < ActiveRecord::Base
             q[:artcomm_ids] << user_id unless user_id.blank?
 
           when "-pool"
-            q[:tags][:exclude] << "pool:#{Pool.name_to_id($2)}"
+            if $2.downcase == "series"
+              q[:tags][:exclude] << "pool:series"
+            elsif $2.downcase == "collection"
+              q[:tags][:exclude] << "pool:collection"
+            else
+              q[:tags][:exclude] << "pool:#{Pool.name_to_id($2)}"
+            end
 
           when "pool"
             if $2.downcase == "none"
               q[:pool] = "none"
             elsif $2.downcase == "any"
               q[:pool] = "any"
+            elsif $2.downcase == "series"
+              q[:tags][:related] << "pool:series"
+            elsif $2.downcase == "collection"
+              q[:tags][:related] << "pool:collection"
             elsif $2.include?("*")
               pools = Pool.name_matches($2).select("id").limit(Danbooru.config.tag_query_limit).order("post_count DESC")
               q[:tags][:include] += pools.map {|pool| "pool:#{pool.id}"}