post/comment/forum votes: add vote counts to profile pages.

* Add post/comment/forum vote counts to user profiles.
* Show uploaders on post votes index and allow searching by uploader.
* Show forum posters on forum votes index and allow searching by poster.
* Add unvote link to forum votes index.
* Only show unvote links to current user.

app/models/forum_post_vote.rb

@@ -8,9 +8,15 @@ class ForumPostVote < ApplicationRecord
   scope :by, ->(user_id) {where(creator_id: user_id)}
   scope :excluding_user, ->(user_id) {where("creator_id <> ?", user_id)}
 
+  def self.forum_post_matches(params)
+    return all if params.blank?
+    where(forum_post_id: ForumPost.search(params).reorder(nil).select(:id))
+  end
+
   def self.search(params)
     q = super
     q = q.search_attributes(params, :creator, :forum_post_id, :score)
+    q = q.forum_post_matches(params[:forum_post])
     q.apply_default_order(params)
   end
 

app/models/user.rb

@@ -89,6 +89,7 @@ class User < ApplicationRecord
   has_many :artist_versions, foreign_key: :updater_id
   has_many :artist_commentary_versions, foreign_key: :updater_id
   has_many :comments, foreign_key: :creator_id
+  has_many :comment_votes, dependent: :destroy
   has_many :wiki_page_versions, foreign_key: :updater_id
   has_many :feedback, :class_name => "UserFeedback", :dependent => :destroy
   has_many :forum_post_votes, dependent: :destroy, foreign_key: :creator_id