#5 extract stats hashs into label and value two parts

app/controllers/api/v1/data_analysis_controller.rb

@@ -9,11 +9,23 @@ class Api::V1::DataAnalysisController < Api::V1::ApplicationController
     like_hashs = Like.where(user_id: @target_user.id).group_by_week(:created_at, last: 6, format: "%m-%d").count
     bookmark_hashs = Favorite.where(user_id: @target_user.id).group_by_week(:created_at, last: 6, format: "%m-%d").count
     render json: {
-             shares: share_hashs,
-             likes: like_hashs,
-             bookmarks: bookmark_hashs
+             shares: hash_to_obj(share_hashs),
+             likes: hash_to_obj(like_hashs),
+             bookmarks: hash_to_obj(bookmark_hashs)
            }
   end
 
+  private
+
+  def hash_to_obj hash
+    stats_obj = []
+    hash.each do |key, value|
+      temp = { :label => key, :value => value}
+      stats_obj.push temp
+    end
+    stats_obj
+
+  end
+
 
 end