init project

app/views/users/private_message_details/show.json.jbuilder

@@ -0,0 +1,15 @@
+json.count @count
+json.target do
+  json.partial! 'users/user_simple', user: target_user
+end
+json.messages do
+  json.array! @messages.each do |message|
+    json.extract! message, :id, :user_id, :receiver_id, :sender_id, :content
+
+    json.send_time message.display_send_time
+    json.send_day message.send_time.strftime('%Y-%m-%d')
+    json.sender do
+      json.partial! 'users/user_simple', user: message.sender
+    end
+  end
+end