FEATURE: Add "Reset Bump Date" action to topic admin wrench (#6246)

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

@@ -930,6 +930,10 @@ export default Ember.Controller.extend(BufferedContent, {
 
     removeFeaturedLink() {
       this.set("buffered.featured_link", null);
+    },
+
+    resetBumpDate() {
+      this.get("content").resetBumpDate();
     }
   },
 

app/assets/javascripts/discourse/models/topic.js.es6

@@ -565,6 +565,12 @@ const Topic = RestModel.extend({
         window.location.reload();
       })
       .catch(popupAjaxError);
+  },
+
+  resetBumpDate() {
+    return ajax(`/t/${this.get("id")}/reset-bump-date`, { type: "PUT" }).catch(
+      popupAjaxError
+    );
   }
 });
 

app/assets/javascripts/discourse/templates/components/topic-footer-buttons.hbs

@@ -13,6 +13,7 @@
       showTopicStatusUpdate=showTopicStatusUpdate
       showFeatureTopic=showFeatureTopic
       showChangeTimestamp=showChangeTimestamp
+      resetBumpDate=resetBumpDate
       convertToPublicTopic=convertToPublicTopic
       convertToPrivateMessage=convertToPrivateMessage}}
   {{/if}}

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

@@ -94,6 +94,7 @@
               showTopicStatusUpdate=(action "topicRouteAction" "showTopicStatusUpdate")
               showFeatureTopic=(action "topicRouteAction" "showFeatureTopic")
               showChangeTimestamp=(action "topicRouteAction" "showChangeTimestamp")
+              resetBumpDate=(action "resetBumpDate")
               convertToPublicTopic=(action "convertToPublicTopic")
               convertToPrivateMessage=(action "convertToPrivateMessage")}}
           {{/if}}
@@ -121,6 +122,7 @@
             showTopicStatusUpdate=(action "topicRouteAction" "showTopicStatusUpdate")
             showFeatureTopic=(action "topicRouteAction" "showFeatureTopic")
             showChangeTimestamp=(action "topicRouteAction" "showChangeTimestamp")
+            resetBumpDate=(action "resetBumpDate")
             convertToPublicTopic=(action "convertToPublicTopic")
             convertToPrivateMessage=(action "convertToPrivateMessage")}}
         {{else}}
@@ -144,6 +146,7 @@
                 showTopicStatusUpdate=(action "topicRouteAction" "showTopicStatusUpdate")
                 showFeatureTopic=(action "topicRouteAction" "showFeatureTopic")
                 showChangeTimestamp=(action "topicRouteAction" "showChangeTimestamp")
+                resetBumpDate=(action "resetBumpDate")
                 convertToPublicTopic=(action "convertToPublicTopic")
                 convertToPrivateMessage=(action "convertToPrivateMessage")}}
             {{/if}}
@@ -256,6 +259,7 @@
                     showTopicStatusUpdate=(action "topicRouteAction" "showTopicStatusUpdate")
                     showFeatureTopic=(action "topicRouteAction" "showFeatureTopic")
                     showChangeTimestamp=(action "topicRouteAction" "showChangeTimestamp")
+                    resetBumpDate=(action "resetBumpDate")
                     convertToPublicTopic=(action "convertToPublicTopic")
                     convertToPrivateMessage=(action "convertToPrivateMessage")
                     toggleBookmark=(action "toggleBookmark")

app/assets/javascripts/discourse/widgets/topic-admin-menu.js.es6

@@ -203,6 +203,15 @@ export default createWidget("topic-admin-menu", {
       });
     }
 
+    if (this.currentUser.get("staff")) {
+      buttons.push({
+        className: "topic-admin-reset-bump-date",
+        action: "resetBumpDate",
+        icon: "anchor",
+        label: "actions.reset_bump_date"
+      });
+    }
+
     if (!isPrivateMessage) {
       buttons.push({
         className: "topic-admin-archive",

app/controllers/topics_controller.rb

@@ -33,7 +33,8 @@ class TopicsController < ApplicationController
     :move_to_inbox,
     :convert_topic,
     :bookmark,
-    :publish
+    :publish,
+    :reset_bump_date
   ]
 
   before_action :consider_user_for_promotion, only: :show
@@ -720,6 +721,17 @@ class TopicsController < ApplicationController
     render_json_error(ex)
   end
 
+  def reset_bump_date
+    params.require(:id)
+    guardian.ensure_can_update_bumped_at!
+
+    topic = Topic.find_by(id: params[:id])
+    raise Discourse::NotFound.new unless topic
+
+    topic.reset_bumped_at
+    render body: nil
+  end
+
   private
 
   def topic_params

app/models/topic.rb

@@ -1381,6 +1381,16 @@ class Topic < ActiveRecord::Base
     @is_category_topic ||= Category.exists?(topic_id: self.id.to_i)
   end
 
+  def reset_bumped_at
+    post = ordered_posts.where(
+      user_deleted: false,
+      hidden: false,
+      post_type: Topic.visible_post_types
+    ).last
+
+    update!(bumped_at: post.created_at)
+  end
+
   private
 
   def update_category_topic_count_by(num)