change json contract

app/views/posts/_post.json.jbuilder

@@ -1,6 +1,6 @@
-json.extract! post, :id, :content, :created_at, :updated_at
+json.extract! post, :id, :content, :created_at
 
-json.quoted_post(post.quoted_post, partial: 'posts/post', as: :post) if post.quoted_post
-json.user(post.user, partial: 'users/user', as: :user) if post.user
+json.quoted_post(post.quoted_post, partial: 'posts/quoted_post', as: :post) if post.quoted_post
+json.user(post.user, partial: 'posts/user', as: :user)
 
 json.url post_url(post, format: :json)

app/views/posts/_quoted_post.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! post, :id, :content, :created_at
+json.user(post.user, partial: 'posts/user', as: :user)

app/views/posts/_user.json.jbuilder

@@ -0,0 +1,3 @@
+json.extract! user, :id, :username
+
+json.url user_url(user, format: :json)

app/views/users/_user.json.jbuilder

@@ -1,2 +1,7 @@
-json.extract! user, :id, :username, :created_at, :updated_at
+json.extract! user, :id, :username
+json.joined_at user.created_at.strftime("%B %d, %Y")
+json.following_count user.following.count
+json.follower_count user.followers.count
+json.posts_count user.posts.count
+
 json.url user_url(user, format: :json)