FEATURE: silently close topic (#11392)

New TopicTimer to silently close topic. It will be used by discourse-solved plugin

Meta: https://meta.discourse.org/t/allow-auto-close-for-solved-to-do-so-silently/169300

app/assets/javascripts/discourse/app/components/topic-timer-info.js

@@ -126,7 +126,10 @@ export default Component.extend({
   },
 
   _noticeKey() {
-    const statusType = this.statusType;
+    let statusType = this.statusType;
+    if (statusType === "silent_close") {
+      statusType = "close";
+    }
 
     if (this.basedOnLastPost) {
       return `topic.status_update_notice.auto_${statusType}_based_on_last_post`;

app/jobs/regular/toggle_topic_closed.rb

@@ -5,6 +5,7 @@ module Jobs
     def execute(args)
       topic_timer = TopicTimer.find_by(id: args[:topic_timer_id] || args[:topic_status_update_id])
       state = !!args[:state]
+      timer_type = args[:silent] ? :silent_close : :close
 
       if topic_timer.blank? || topic_timer.execute_at > Time.zone.now
         return
@@ -25,16 +26,16 @@ module Jobs
             by_user: Discourse.system_user
           )
         else
-          topic.update_status('autoclosed', state, user)
+          topic.update_status('autoclosed', state, user, { silent: args[:silent] })
         end
 
-        topic.inherit_auto_close_from_category if state == false
+        topic.inherit_auto_close_from_category(timer_type: timer_type) if state == false
       else
         topic_timer.destroy!
         topic.reload
 
         if topic_timer.based_on_last_post
-          topic.inherit_auto_close_from_category
+          topic.inherit_auto_close_from_category(timer_type: timer_type)
         end
       end
     end

app/models/topic.rb

@@ -368,7 +368,7 @@ class Topic < ActiveRecord::Base
     self.last_post_user_id ||= user_id
   end
 
-  def inherit_auto_close_from_category
+  def inherit_auto_close_from_category(timer_type: :close)
     if !self.closed &&
        !@ignore_category_auto_close &&
        self.category &&
@@ -379,7 +379,7 @@ class Topic < ActiveRecord::Base
       duration = based_on_last_post ? self.category.auto_close_hours : nil
 
       self.set_or_create_timer(
-        TopicTimer.types[:close],
+        TopicTimer.types[timer_type],
         self.category.auto_close_hours,
         by_user: Discourse.system_user,
         based_on_last_post: based_on_last_post,
@@ -902,6 +902,7 @@ class Topic < ActiveRecord::Base
                               action_code: opts[:action_code],
                               no_bump: opts[:bump].blank?,
                               topic_id: self.id,
+                              silent: opts[:silent],
                               skip_validations: true,
                               custom_fields: opts[:custom_fields],
                               import_mode: opts[:import_mode])
@@ -1299,12 +1300,13 @@ class Topic < ActiveRecord::Base
   #  * by_user: User who is setting the topic's status update.
   #  * based_on_last_post: True if time should be based on timestamp of the last post.
   #  * category_id: Category that the update will apply to.
-  def set_or_create_timer(status_type, time, by_user: nil, based_on_last_post: false, category_id: SiteSetting.uncategorized_category_id, duration: nil)
+  def set_or_create_timer(status_type, time, by_user: nil, based_on_last_post: false, category_id: SiteSetting.uncategorized_category_id, duration: nil, silent: nil)
     return delete_topic_timer(status_type, by_user: by_user) if time.blank? && duration.blank?
 
     public_topic_timer = !!TopicTimer.public_types[status_type]
     topic_timer_options = { topic: self, public_type: public_topic_timer }
     topic_timer_options.merge!(user: by_user) unless public_topic_timer
+    topic_timer_options.merge!(silent: silent) if silent
     topic_timer = TopicTimer.find_or_initialize_by(topic_timer_options)
     topic_timer.status_type = status_type
 

app/models/topic_timer.rb

@@ -50,7 +50,8 @@ class TopicTimer < ActiveRecord::Base
       delete: 4,
       reminder: 5,
       bump: 6,
-      delete_replies: 7
+      delete_replies: 7,
+      silent_close: 8
     )
   end
 
@@ -97,6 +98,10 @@ class TopicTimer < ActiveRecord::Base
   end
   alias_method :cancel_auto_open_job, :cancel_auto_close_job
 
+  def cancel_auto_silent_close_job
+    Jobs.cancel_scheduled_job(:toggle_topic_closed, topic_timer_id: id)
+  end
+
   def cancel_auto_publish_to_category_job
     Jobs.cancel_scheduled_job(:publish_topic_to_category, topic_timer_id: id)
   end
@@ -143,6 +148,16 @@ class TopicTimer < ActiveRecord::Base
     )
   end
 
+  def schedule_auto_silent_close_job(time)
+    topic.update_status('closed', false, user) if topic&.closed
+
+    Jobs.enqueue_at(time, :toggle_topic_closed,
+      topic_timer_id: id,
+      silent: true,
+      state: true
+    )
+  end
+
   def schedule_auto_publish_to_category_job(time)
     Jobs.enqueue_at(time, :publish_topic_to_category, topic_timer_id: id)
   end

app/services/topic_status_updater.rb

@@ -11,7 +11,7 @@ TopicStatusUpdater = Struct.new(:topic, :user) do
       updated = change(status, opts)
       if updated
         highest_post_number = topic.highest_post_number
-        create_moderator_post_for(status, opts[:message])
+        create_moderator_post_for(status, opts)
         update_read_state_for(status, highest_post_number)
       end
     end
@@ -49,6 +49,7 @@ TopicStatusUpdater = Struct.new(:topic, :user) do
     if @topic_status_update
       if status.manually_closing_topic? || status.closing_topic?
         topic.delete_topic_timer(TopicTimer.types[:close])
+        topic.delete_topic_timer(TopicTimer.types[:silent_close])
       elsif status.manually_opening_topic? || status.opening_topic?
         topic.delete_topic_timer(TopicTimer.types[:open])
       end
@@ -65,8 +66,9 @@ TopicStatusUpdater = Struct.new(:topic, :user) do
     result
   end
 
-  def create_moderator_post_for(status, message = nil)
-    topic.add_moderator_post(user, message || message_for(status), options_for(status))
+  def create_moderator_post_for(status, opts)
+    message = opts[:message]
+    topic.add_moderator_post(user, message || message_for(status), options_for(status, opts))
     topic.reload
   end
 
@@ -110,9 +112,10 @@ TopicStatusUpdater = Struct.new(:topic, :user) do
     end
   end
 
-  def options_for(status)
+  def options_for(status, opts = {})
     { bump: status.opening_topic?,
       post_type: Post.types[:small_action],
+      silent: opts[:silent],
       action_code: status.action_code }
   end
 

lib/post_creator.rb

@@ -36,6 +36,7 @@ class PostCreator
   #   hidden_reason_id        - Reason for hiding the post (optional)
   #   skip_validations        - Do not validate any of the content in the post
   #   draft_key               - the key of the draft we are creating (will be deleted on success)
+  #   silent                  - Do not update topic stats and fields like last_post_user_id
   #
   #   When replying to a topic:
   #     topic_id              - topic we're replying to
@@ -506,13 +507,12 @@ class PostCreator
   def update_topic_stats
     attrs = { updated_at: Time.now }
 
-    if @post.post_type != Post.types[:whisper]
+    if @post.post_type != Post.types[:whisper] && !@opts[:silent]
       attrs[:last_posted_at] = @post.created_at
       attrs[:last_post_user_id] = @post.user_id
       attrs[:word_count] = (@topic.word_count || 0) + @post.word_count
       attrs[:excerpt] = @post.excerpt_for_topic if new_topic?
       attrs[:bumped_at] = @post.created_at unless @post.no_bump
-      @topic.update_columns(attrs)
     end
 
     @topic.update_columns(attrs)

spec/components/post_creator_spec.rb

@@ -581,6 +581,36 @@ describe PostCreator do
     end
   end
 
+  context 'silent' do
+    fab!(:topic) { Fabricate(:topic, user: user) }
+
+    it 'silent do not mess up the public view' do
+      freeze_time DateTime.parse('2010-01-01 12:00')
+
+      first = PostCreator.new(
+        user,
+        topic_id: topic.id,
+        raw: 'this is the first post'
+      ).create
+
+      freeze_time 1.year.from_now
+
+      PostCreator.new(user,
+        topic_id: topic.id,
+        reply_to_post_number: 1,
+        silent: true,
+        post_type: Post.types[:regular],
+        raw: 'this is a whispered reply').create
+
+      topic.reload
+
+      # silent post should not muck up that number
+      expect(topic.last_posted_at).to eq_time(first.created_at)
+      expect(topic.last_post_user_id).to eq(first.user_id)
+      expect(topic.word_count).to eq(5)
+    end
+  end
+
   context 'uniqueness' do
 
     fab!(:topic) { Fabricate(:topic, user: user) }