Web service

Create website similair to digg/reddit #Context: -client can register(using first name,last name) and have friends(identifier by his login) -user can add news that doesn't exist in the website,urls are identified by an id(hexadecimal number 32bits) -user can like,dislike and comment other news. #webservice: login like-dislike comment #database: use cassandra/nosql database every news is describer by id,url,user who adds it,date and title. stock in the same record likes,dislikes and comments example : title: CAN 2017 – ca démarre mal pour le Maroc Author: Rachid Date: Lun, 16 Janvier 23:23:00 2017 URL: [login to view URL] like by Mohamed, Abdelhaq dislike by Rachid * Date: mar, 17 janvier 12:32:00 2017 * Author : Khalid * Comment: pas terrible cette sélection Submit a JSON storage format for this news. #Function: likes and dislikes are stocked in a collection different from that of the news in the form: { id_news = "A09B8E8CFF...", login = "Rachid", score = "1" } with score ="-1" if user dislikes write service using functions that calculate the final score(the sum) of all the news, exmple : {news= "A09B8E8CFF...", score_total = 38} {news= "0BAE569F3AC...", score_total = -25} ... write functions the average score of users, example : {login= "Rachid", score_moyen = 2.3} {login= "Abdelhaq", score_total = -5.3} ... #use html and css work with java (netbeans)