services/data.js

data.js

const data = {
    users: [
      {
        id: 1,
        name: 'user 1',
        status: 'approved'
      },
      {
        id: 2,
        task: 'user 2',
        status: 'pending'
      },
      {
        id: 3,
        task: 'user 3',
        status: 'approved'
      },
      {
        id: 4,
        task: 'user 4',
        status: 'approved'
      }      
    ]
};

module.exports = {
    getUsers: function() {
        return data.users;
    },
    addUser: function(user) {
        user.id = data.users.length + 1;
        data.users.push(user);
        return {
            message: "user added",
            tasks: data.users.length
        }
    },
    deleteUser: function(id) {
        data.users = data.users.filter(user => user.id != id)
        return {
            message: "user deleted",
            tasks: data.users.length
        }
    },
    editUser: function(user) {
        data.users = data.users.map(usr => {
            if (usr.id === user.id) usr = user;
            return usr;
        });
        return {
            message: "user edited",
            tasks: data.users.length
        }
    }
 }