Remove obsolete per topic unsubscribe page.

app/assets/javascripts/discourse/controllers/topic-unsubscribe.js.es6

@@ -1,7 +0,0 @@
-export default Ember.Controller.extend({
-
-  stopNotificiationsText: function() {
-    return I18n.t("topic.unsubscribe.stop_notifications", { title: this.get("model.fancyTitle") });
-  }.property("model.fancyTitle"),
-
-});

app/assets/javascripts/discourse/routes/app-route-map.js.es6

@@ -14,7 +14,6 @@ export default function() {
   });
 
   this.route('topicBySlugOrId', { path: '/t/:slugOrId', resetNamespace: true });
-  this.route('topicUnsubscribe', { path: '/t/:slug/:id/unsubscribe' });
 
   this.route('discovery', { path: '/', resetNamespace: true }, function() {
     // top

app/assets/javascripts/discourse/routes/topic-unsubscribe.js.es6

@@ -1,19 +0,0 @@
-import { loadTopicView } from 'discourse/models/topic';
-
-export default Discourse.Route.extend({
-  model(params) {
-    const topic = this.store.createRecord("topic", { id: params.id });
-    return loadTopicView(topic).then(() => topic);
-  },
-
-  afterModel(topic) {
-    topic.set("details.notificationReasonText", null);
-  },
-
-  actions: {
-    didTransition() {
-      this.controllerFor("application").set("showFooter", true);
-      return true;
-    }
-  }
-});

app/assets/javascripts/discourse/templates/topic/unsubscribe.hbs

@@ -1,13 +0,0 @@
-<div class='topic-unsubscribe'>
-  <div class="container">
-    <p>
-      {{{stopNotificiationsText}}}
-    </p>
-
-    <p>
-      {{i18n "topic.unsubscribe.change_notification_state"}}
-    </p>
-
-    {{topic-notifications-button notificationLevel=model.details.notification_level topic=model}}
-  </div>
-</div>

app/assets/stylesheets/common/base/topic.scss

@@ -192,20 +192,6 @@ a.badge-category {
   align-items: center;
 }
 
-.topic-unsubscribe {
-  .notifications-button {
-    display: inline-block;
-    float: none;
-    line-height: $line-height-large;
-    .dropdown-toggle {
-      float: none;
-    }
-    .dropdown-menu {
-      bottom: initial;
-    }
-  }
-}
-
 .post-links-container {
   @include unselectable;
   clear: both;

app/controllers/topics_controller.rb

@@ -38,7 +38,7 @@ class TopicsController < ApplicationController
 
   before_action :consider_user_for_promotion, only: :show
 
-  skip_before_action :check_xhr, only: [:show, :unsubscribe, :feed]
+  skip_before_action :check_xhr, only: [:show, :feed]
 
   def id_for_slug
     topic = Topic.find_by(slug: params[:slug].downcase)
@@ -154,30 +154,6 @@ class TopicsController < ApplicationController
     render_serialized(topic.reload, BasicTopicSerializer)
   end
 
-  def unsubscribe
-    if current_user.blank?
-      cookies[:destination_url] = request.fullpath
-      return redirect_to "/login-preferences"
-    end
-
-    @topic_view = TopicView.new(params[:topic_id], current_user)
-
-    if slugs_do_not_match || (!request.format.json? && params[:slug].blank?)
-      return redirect_to @topic_view.topic.unsubscribe_url, status: 301
-    end
-
-    tu = TopicUser.find_by(user_id: current_user.id, topic_id: params[:topic_id])
-
-    if tu && tu.notification_level > TopicUser.notification_levels[:regular]
-      tu.notification_level = TopicUser.notification_levels[:regular]
-      tu.save!
-    else
-      TopicUser.change(current_user.id, params[:topic_id].to_i, notification_level: TopicUser.notification_levels[:muted])
-    end
-
-    perform_show_response
-  end
-
   def wordpress
     params.require(:best)
     params.require(:topic_id)

app/models/topic.rb

@@ -1007,10 +1007,6 @@ SQL
     Topic.relative_url(id, slug, post_number)
   end
 
-  def unsubscribe_url
-    "#{url}/unsubscribe"
-  end
-
   def clear_pin_for(user)
     return unless user.present?
     TopicUser.change(user.id, id, cleared_pinned_at: Time.now)

config/locales/client.en.yml

@@ -1595,9 +1595,6 @@ en:
         search: "There are no more search results."
 
     topic:
-      unsubscribe:
-        stop_notifications: "You will now receive less notifications for <strong>{{title}}</strong>"
-        change_notification_state: "Your current notification state is "
       filter_to:
         one: "1 post in topic"
         other: "{{count}} posts in topic"

config/routes.rb

@@ -650,8 +650,6 @@ Discourse::Application.routes.draw do
   get "t/:topic_id/wordpress" => "topics#wordpress", constraints: { topic_id: /\d+/ }
   get "t/:slug/:topic_id/moderator-liked" => "topics#moderator_liked", constraints: { topic_id: /\d+/ }
   get "t/:slug/:topic_id/summary" => "topics#show", defaults: { summary: true }, constraints: { topic_id: /\d+/ }
-  get "t/:slug/:topic_id/unsubscribe" => "topics#unsubscribe", constraints: { topic_id: /\d+/ }
-  get "t/:topic_id/unsubscribe" => "topics#unsubscribe", constraints: { topic_id: /\d+/ }
   get "t/:topic_id/summary" => "topics#show", constraints: { topic_id: /\d+/ }
   put "t/:slug/:topic_id" => "topics#update", constraints: { topic_id: /\d+/ }
   put "t/:slug/:topic_id/star" => "topics#star", constraints: { topic_id: /\d+/ }