#49 Add random post support

app/controllers/api/v1/posts_controller.rb

@@ -3,7 +3,7 @@ class Api::V1::PostsController < Api::V1::ApplicationController
   before_action :permit_params, :check_url, :map_post_type, :get_post, only: [:create]
   before_action :load_post, only: [:add_viewed_times, :show]
 
-  skip_before_action :authenticate_user_from_token, only: [:posts, :show, :liked_posts, :bookmarked_posts]
+  skip_before_action :authenticate_user_from_token, only: [:posts, :show, :liked_posts, :bookmarked_posts, :random]
 
   before_action :fetch_current_user
 
@@ -60,6 +60,10 @@ class Api::V1::PostsController < Api::V1::ApplicationController
     render json: Post.where('title LIKE ?', "%#{params[:keywords]}%").page(params[:page]), each_serializer: EachPostSerializer
   end
 
+  def random
+    render json: Post.order('RANDOM()').limit(1).first, serializer: PostSerializer
+  end
+
   private
 
   def permit_params

config/routes.rb

@@ -93,6 +93,7 @@ Rails.application.routes.draw do
       end
 
       get '/posts/search', to: 'posts#search'
+      get '/posts/random', to: 'posts#random'
 
       resources :posts, only: [:create, :index, :show] do
         post :like, to: 'likes#like'