Add number of comments, reactions, likes for each post

lib/fb/page.rb

@@ -117,7 +117,8 @@ def posts_params
       {}.tap do |params|
         params[:access_token] = @access_token
         params[:limit] = 100
-        params[:fields]= %i(id message permalink_url created_time type properties).join ','
+        params[:fields]= ['id', 'message', 'permalink_url', 'created_time', 'type', 'properties',
+          'comments.limit(0).summary(true)', 'likes.limit(0).summary(true)', 'reactions.limit(0).summary(true)'].join(',')
       end
     end
 

lib/fb/post.rb

@@ -39,6 +39,15 @@ class Post
     # @option [Integer] the total number of milliseconds your video was watched.
     attr_reader :video_view_time
 
+    # @return [Integer] the number of comments of the post.
+    attr_reader :comment_count
+
+    # @return [Integer] the number of likes of the post.
+    attr_reader :like_count
+
+    # @return [Integer] the number of reactions of the post.
+    attr_reader :reaction_count
+
     # @param [Hash] options the options to initialize an instance of Fb::Post.
     # @option [String] :id The post id.
     # @option [String] :message The status message in the post or post story.
@@ -65,6 +74,10 @@ def initialize(options = {})
       @video_views_organic = options[:post_video_views_organic] if options[:post_video_views_organic]
       @video_views_paid = options[:post_video_views_paid] if options[:post_video_views_paid]
       @video_view_time = options[:post_video_view_time] if options[:post_video_view_time]
+
+      @comment_count = options[:comments]['summary']['total_count'] if options[:comments]
+      @reaction_count = options[:reactions]['summary']['total_count'] if options[:reactions]
+      @like_count = options[:likes]['summary']['total_count'] if options[:likes]
     end
 
     # @return [String] the representation of the post.

spec/page/posts_spec.rb

@@ -14,6 +14,10 @@
       expect(page.posts.map &:type).to all(be_a String)
       expect(page.posts.map &:created_at).to all(be_a Time)
       expect(page.posts.map &:length).to all(be_a String)
+
+      expect(page.posts.map &:comment_count).to all(be_a Integer)
+      expect(page.posts.map &:like_count).to all(be_a Integer)
+      expect(page.posts.map &:reaction_count).to all(be_a Integer)
     end
   end