add page tag controller with remove method

Author: drusepth

app/assets/javascripts/page_tags.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/controllers/page_tags_controller.rb

@@ -0,0 +1,4 @@
+class PageTagsController < ApplicationController
+  def remove
+  end
+end

app/helpers/page_tags_helper.rb

@@ -0,0 +1,2 @@
+module PageTagsHelper
+end

app/views/data/tags.html.erb

@@ -29,9 +29,19 @@
                   </span>
                 <% end %>
               </div>
-              <div class="grey-text">
+              <div class="grey-text" style="padding-top: 1em">
                 Used by <%= pluralize page_list.length, 'page' %>
               </div>
+              <div>
+                <%=
+                  link_to 'Delete this tag', tag_remove_path(
+                    page_type: content_type.name,
+                    slug: PageTagService.slug_for(tag)
+                  ), data: {
+                    confirm: "Are you sure? This will delete this tag and remove it from all pages."
+                  }
+                %>
+              </div>
             </div>
             <div class="col s12 m6 l8">
               <% page_list.each do |page_tag| %>

app/views/page_tags/remove.html.erb

@@ -0,0 +1,2 @@
+<h1>PageTags#remove</h1>
+<p>Find me in app/views/page_tags/remove.html.erb</p>

config/routes.rb

@@ -98,6 +98,8 @@
 
     get '/scratchpad',      to: 'main#notes', as: :notes
 
+    get 'tag/remove'
+
     # Legacy route: left intact so /my/documents/X URLs continue to work for everyone's bookmarks
     resources :documents
 

test/controllers/page_tags_controller_test.rb

@@ -0,0 +1,9 @@
+require 'test_helper'
+
+class PageTagsControllerTest < ActionDispatch::IntegrationTest
+  test "should get remove" do
+    get page_tags_remove_url
+    assert_response :success
+  end
+
+end