allow deleting tags / removing from all linked pages

app/controllers/page_tags_controller.rb

@@ -1,4 +1,15 @@
 class PageTagsController < ApplicationController
   def remove
+    # Params
+    # {"page_type"=>"Location", "slug"=>"mountains", "controller"=>"page_tags", "action"=>"remove"
+    return unless params.key?(:page_type) && params.key?(:slug)
+
+    PageTag.where(
+      page_type: params[:page_type],
+      slug:      params[:slug],
+      user_id:   current_user.id
+    ).destroy_all
+
+    return redirect_back fallback_location: root_path, notice: 'Tag deleted successfully.'
   end
 end

config/routes.rb

@@ -98,7 +98,7 @@
 
     get '/scratchpad',      to: 'main#notes', as: :notes
 
-    get 'tag/remove'
+    get 'tag/remove',       to: 'page_tags#remove'
 
     # Legacy route: left intact so /my/documents/X URLs continue to work for everyone's bookmarks
     resources :documents