FEATURE: bulk relist

app/assets/javascripts/discourse/controllers/topic-bulk-actions.js.es6

@@ -26,6 +26,19 @@ export default Ember.Controller.extend(ModalFunctionality, {
   categoryId: Ember.computed.alias('model.category.id'),
 
   onShow() {
+    let showRelistButton = false;
+    const topics = this.get('model.topics');
+    for (let t = 0; t < topics.length; t++) {
+      if (!topics[t].visible) {
+        showRelistButton = true;
+        break;
+      }
+    }
+    if (showRelistButton && !_buttons[9]) {
+      addBulkButton('relistTopics', 'relist_topics');
+    } else if (!showRelistButton && _buttons[9]) {
+      _buttons.splice(9, 1);
+    }
     this.set('modal.modalClass', 'topic-bulk-actions-modal small');
 
     const buttonRows = [];
@@ -126,6 +139,10 @@ export default Ember.Controller.extend(ModalFunctionality, {
       this.forEachPerformed({type: 'unlist'}, t => t.set('visible', false));
     },
 
+    relistTopics() {
+      this.forEachPerformed({type: 'relist'}, t => t.set('visible', true));
+    },
+
     changeCategory() {
       const categoryId = parseInt(this.get('newCategoryId'), 10) || 0;
       const category = Discourse.Category.findById(categoryId);

config/locales/client.en.yml

@@ -1364,6 +1364,7 @@ en:
         select_all: "Select All"
         clear_all: "Clear All"
         unlist_topics: "Unlist Topics"
+        relist_topics: "Relist Topics"
         reset_read: "Reset Read"
         delete: "Delete Topics"
         dismiss: "Dismiss"

lib/topics_bulk_action.rb

@@ -11,7 +11,7 @@ class TopicsBulkAction
   def self.operations
     @operations ||= %w(change_category close archive change_notification_level
                        reset_read dismiss_posts delete unlist archive_messages
-                       move_messages_to_inbox change_tags append_tags)
+                       move_messages_to_inbox change_tags append_tags relist)
   end
 
   def self.register_operation(name, &block)
@@ -115,6 +115,15 @@ class TopicsBulkAction
       end
     end
 
+    def relist
+      topics.each do |t|
+        if guardian.can_moderate?(t)
+          t.update_status('visible', true, @user)
+          @changed_ids << t.id
+        end
+      end
+    end
+
     def archive
       topics.each do |t|
         if guardian.can_moderate?(t)