FEATURE: Show number of accepted answers on user card (#154)

assets/javascripts/discourse/connectors/user-card-metadata/accepted-answers.hbs

@@ -0,0 +1,6 @@
+{{#if user.accepted_answers}}
+  <h3>
+    <span class="desc">{{i18n "solutions"}}</span>
+    {{user.accepted_answers}}
+  </h3>
+{{/if}}

assets/stylesheets/solutions.scss

@@ -70,3 +70,7 @@ $solved-color: green;
 aside.quote .title.title-only {
   padding: 12px;
 }
+
+.user-card-metadata-outlet.accepted-answers {
+  display: inline-block;
+}

plugin.rb

@@ -687,6 +687,14 @@ SQL
     }
   end
 
+  add_to_serializer(:user_card, :accepted_answers) do
+    Post
+      .where(user: User.find_by_username('bar3'))
+      .joins(:_custom_fields)
+      .where(_custom_fields: { name: 'is_accepted_answer', value: 'true' })
+      .count
+  end
+
   class ::Topic
     attr_accessor :accepted_answer_user_id
   end