FEATURE: display icon on front page

assets/javascripts/discourse/initializers/extend-for-solved-button.js.es6

@@ -3,6 +3,7 @@ import PostView from 'discourse/views/post';
 import { Button } from 'discourse/views/post-menu';
 import Topic from 'discourse/models/topic';
 import User from 'discourse/models/user';
+import TopicStatus from 'discourse/views/topic-status'
 
 export default {
   name: 'extend-for-solved-button',
@@ -39,6 +40,21 @@ export default {
       }.property('accepted_answer', 'id')
     });
 
+    TopicStatus.reopen({
+      statuses: function(){
+        var results = this._super();
+        if (this.topic.has_accepted_answer) {
+          results.push({
+            openTag: 'span',
+            closeTag: 'span',
+            title: I18n.t('solved.has_accepted_answer'),
+            icon: 'check-square'
+          });
+        }
+        return results;
+      }.property()
+    });
+
     PostView.reopen({
       classNameBindings: ['post.accepted_answer:accepted-answer']
     });

config/locales/client.en.yml

@@ -3,6 +3,7 @@ en:
     solved:
       allow_accepted_answers: "Allow users to accept answers"
       accept_answer: "Accept answer"
+      has_accepted_answer: "This topic has an accepted answer"
       unaccept_answer: "Unaccept answer"
       accepted_answer: "Accepted answer"
       accepted_html: "<i class='fa-check-square fa accepted'></i> Solved by <a href data-user-card='{{username_lower}}'>{{username}}</a> in <a href='{{post_path}}'>post #{{post_number}}</a>"

plugin.rb

@@ -173,6 +173,48 @@ after_initialize do
     def accepted_answer
       post_custom_fields["is_accepted_answer"]
     end
-
   end
+
+  require_dependency 'topic_list_item_serializer'
+
+  class ::TopicListItemSerializer
+    attributes :has_accepted_answer
+
+    def include_has_accepted_answer?
+      object.has_accepted_answer
+    end
+
+    def has_accepted_answer
+      true
+    end
+  end
+
+  class ::Topic
+    attr_accessor :has_accepted_answer
+  end
+
+  module ::DiscourseSolved::ExtendTopics
+    def load_topics
+      topics = super
+      if topics.present?
+      # super efficient for front page
+        with_accepted = Set.new(Topic.exec_sql(
+          'SELECT topic_id FROM topic_custom_fields
+           WHERE topic_id in (:topic_ids) AND
+                 value IS NOT NULL AND
+                 name = \'accepted_answer_post_id\'',
+                 topic_ids: topics.map(&:id)
+        ).values.flatten.map(&:to_i))
+        topics.each do |topic|
+          topic.has_accepted_answer = true if with_accepted.include? topic.id
+        end
+      end
+      topics
+    end
+  end
+
+  class ::TopicList
+    prepend ::DiscourseSolved::ExtendTopics
+  end
+
 end