deprecate tag subscriptions with warnings

app/logical/daily_maintenance.rb

@@ -8,7 +8,6 @@ class DailyMaintenance
     Delayed::Job.delete_all(['created_at < ?', 7.days.ago])
     PostVote.prune!
     CommentVote.prune!
-    #TagSubscription.process_all
     ApiCacheGenerator.new.generate_tag_cache
     PostDisapproval.prune!
     ForumSubscription.process_all!

app/logical/post_query_builder.rb

@@ -80,27 +80,6 @@ class PostQueryBuilder
     relation
   end
 
-  def add_tag_subscription_relation(subscriptions, relation)
-    subscriptions.each do |subscription|
-      if subscription =~ /^(.+?):(.+)$/
-        user_name = $1
-        subscription_name = $2
-        user = User.find_by_name(user_name)
-        return relation if user.nil?
-        post_ids = TagSubscription.find_post_ids(user.id, subscription_name)
-      else
-        user = User.find_by_name(subscription)
-        return relation if user.nil?
-        post_ids = TagSubscription.find_post_ids(user.id)
-      end
-
-      post_ids = [0] if post_ids.empty?
-      relation = relation.where(["posts.id IN (?)", post_ids])
-    end
-
-    relation
-  end
-
   def add_saved_search_relation(saved_searches, relation)
     if SavedSearch.enabled?
       saved_searches.each do |saved_search|
@@ -228,11 +207,6 @@ class PostQueryBuilder
       relation = relation.where("posts.pool_string != ''")
     end
 
-    if q[:subscriptions]
-      relation = add_tag_subscription_relation(q[:subscriptions], relation)
-      has_constraints!
-    end
-
     if q[:saved_searches]
       relation = add_saved_search_relation(q[:saved_searches], relation)
       has_constraints!

app/logical/post_sets/post.rb

@@ -166,22 +166,10 @@ module PostSets
       [page.to_i, 1].max
     end
 
-    def is_tag_subscription?
-      tag_subscription.present?
-    end
-
     def is_saved_search?
       tag_string =~ /search:/
     end
 
-    def tag_subscription
-      @tag_subscription ||= tag_array.select {|x| x =~ /^sub:/}.map {|x| x.sub(/^sub:/, "")}.first
-    end
-
-    def tag_subscription_tags
-      @tag_subscription_tags ||= TagSubscription.find_tags(tag_subscription)
-    end
-
     def presenter
       @presenter ||= ::PostSetPresenters::Post.new(self)
     end

app/logical/user_deletion.rb

@@ -22,6 +22,7 @@ class UserDeletion
     clear_user_settings
     remove_favorites
     clear_tag_subscriptions
+    clear_saved_searches
     rename
     reset_password
     create_mod_action
@@ -37,6 +38,10 @@ private
     TagSubscription.where(:creator_id => user.id).destroy_all
   end
 
+  def clear_saved_searches
+    SavedSearch.where(user_id: user.id).destroy_all
+  end
+
   def clear_user_settings
     user.email = nil
     user.last_logged_in_at = nil