FEATURE: Allow posting a link with topics

app/serializers/post_revision_serializer.rb

@@ -193,6 +193,10 @@ class PostRevisionSerializer < ApplicationSerializer
         end
       end
 
+      if SiteSetting.topic_featured_link_enabled
+        latest_modifications["featured_link"] = [post.topic.featured_link]
+      end
+
       if SiteSetting.tagging_enabled
         latest_modifications["tags"] = [post.topic.tags.map(&:name)]
       end

app/serializers/site_serializer.rb

@@ -23,7 +23,8 @@ class SiteSerializer < ApplicationSerializer
              :can_tag_topics,
              :tags_filter_regexp,
              :top_tags,
-             :wizard_required
+             :wizard_required,
+             :topic_featured_link_allowed_category_ids
 
   has_many :categories, serializer: BasicCategorySerializer, embed: :objects
   has_many :trust_levels, embed: :objects
@@ -121,4 +122,12 @@ class SiteSerializer < ApplicationSerializer
   def include_wizard_required?
     Wizard.user_requires_completion?(scope.user)
   end
+
+  def include_topic_featured_link_allowed_category_ids?
+    SiteSetting.topic_featured_link_enabled
+  end
+
+  def topic_featured_link_allowed_category_ids
+    scope.topic_featured_link_allowed_category_ids
+  end
 end

app/serializers/suggested_topic_serializer.rb

@@ -7,7 +7,7 @@ class SuggestedTopicSerializer < ListableTopicSerializer
     has_one :user, serializer: BasicUserSerializer, embed: :objects
   end
 
-  attributes :archetype, :like_count, :views, :category_id, :tags
+  attributes :archetype, :like_count, :views, :category_id, :tags, :featured_link
   has_many :posters, serializer: SuggestedPosterSerializer, embed: :objects
 
   def posters
@@ -21,4 +21,12 @@ class SuggestedTopicSerializer < ListableTopicSerializer
   def tags
     object.tags.map(&:name)
   end
+
+  def include_featured_link?
+    SiteSetting.topic_featured_link_enabled
+  end
+
+  def featured_link
+    object.featured_link
+  end
 end

app/serializers/topic_list_item_serializer.rb

@@ -10,7 +10,8 @@ class TopicListItemSerializer < ListableTopicSerializer
              :pinned_globally,
              :bookmarked_post_numbers,
              :liked_post_numbers,
-             :tags
+             :tags,
+             :featured_link
 
   has_many :posters, serializer: TopicPosterSerializer, embed: :objects
   has_many :participants, serializer: TopicPosterSerializer, embed: :objects
@@ -72,4 +73,12 @@ class TopicListItemSerializer < ListableTopicSerializer
     object.tags.map(&:name)
   end
 
+  def include_featured_link?
+    SiteSetting.topic_featured_link_enabled
+  end
+
+  def featured_link
+    object.featured_link
+  end
+
 end

app/serializers/topic_view_serializer.rb

@@ -56,7 +56,8 @@ class TopicViewSerializer < ApplicationSerializer
              :chunk_size,
              :bookmarked,
              :message_archived,
-             :tags
+             :tags,
+             :featured_link
 
   # TODO: Split off into proper object / serializer
   def details
@@ -243,8 +244,17 @@ class TopicViewSerializer < ApplicationSerializer
   def include_tags?
     SiteSetting.tagging_enabled
   end
+
   def tags
     object.topic.tags.map(&:name)
   end
 
+  def include_featured_link?
+    SiteSetting.topic_featured_link_enabled
+  end
+
+  def featured_link
+    object.topic.featured_link
+  end
+
 end