Jg0101 can remove user from room with admin

Gemfile.lock

@@ -61,7 +61,7 @@ GEM
       execjs
     coffee-script-source (1.12.2)
     concurrent-ruby (1.0.5)
-    crass (1.0.3)
+    crass (1.0.4)
     database_cleaner (1.6.2)
     devise (4.4.2)
       bcrypt (~> 3.0)
@@ -96,7 +96,7 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.2.1)
+    loofah (2.2.2)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -142,8 +142,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.2.1)
+    rails-html-sanitizer (1.0.4)
+      loofah (~> 2.2, >= 2.2.2)
     railties (5.1.4)
       actionpack (= 5.1.4)
       activesupport (= 5.1.4)

app/assets/javascripts/rooms/show/components/remove_user/remove_user.coffee

@@ -0,0 +1,11 @@
+class @RemoveUser
+  handler_events: ->
+    handle_on_remove_user_click()
+
+  handle_on_remove_user_click = ->
+    $('.remove_user').on 'ajax:success', (data) ->
+      id = data.currentTarget.attributes['id'].nodeValue
+      $('#row-' + id).remove();
+
+$(document).on 'turbolinks:load', ->
+  new RemoveUser().handler_events()

app/assets/stylesheets/styles/rooms.scss

@@ -1,3 +1,7 @@
+.remove_user{
+  float: right;
+}
+
 .page-header{
   .title{
     display: inline-block;

app/controllers/rooms_controller.rb

@@ -7,6 +7,12 @@ def index
     @session_votes = 
       (SessionVote.where(owner_id: current_user.id) + [current_user.session_vote].compact).uniq
   end
+
+  def remove_user
+    user = User.where(id: params[:user_id]).first
+    session_vote = SessionVote.where(id: params[:session_vote_id]).first
+    session_vote.users.delete(User.find(user.id))
+  end
 
   def show
     set_current_session_vote_id(@session_vote.id)
@@ -66,7 +72,7 @@ def join
       .chain{ redirect_to(room_path(@invite.session_vote)) }
       .on_dam{ redirect_to room_path }
   end
-
+  
   private
   def vote_params
     params.require(:vote).permit(:card_id, :id, :step_id, :task_id, :step_position)

app/views/rooms/room_owner_session.html.erb

@@ -34,8 +34,9 @@
       </thead>
       <tbody>
         <% @users.each do |user|  %>
-          <tr>
-            <td><%= user.name.capitalize %></td>
+          <tr id="row-<%= user.id %>">
+            <td><%= user.name.capitalize %> <%= link_to "remove", remove_user_rooms_path(session_vote_id: @session_vote, user_id: user),
+            method: :delete, class: 'btn btn-danger remove_user', id: user.id, remote: true %></td>
             <td>
               <% count_steps.times do |index| %>
                 <span class='steps step-result-0<%= index %> label label-default' id='user-card-id-<%= user.id  %>'>? </span>

config/routes.rb

@@ -1,13 +1,16 @@
 Rails.application.routes.draw do
   devise_for :users
   resources :tasks
+  resources :session_vote
   devise_scope :user do
     root to: "devise/sessions#new"
   end
-
+  
   resources :rooms, only: [:index, :show, :new, :create] do
+
     collection do
       post 'vote'
+      delete 'remove_user'
     end
 
     collection do

spec/controllers/rooms/remove_user_action_spec.rb

@@ -0,0 +1,16 @@
+require 'rails_helper'
+
+
+describe RoomsController, '#remove_user', type: [:controller, :room] do
+  let!(:user) { create(:user) }
+  let!(:removable_user) { create(:user) }
+  let!(:session_vote) { create(:session_vote, owner: user, users: [removable_user, user]) }
+
+    it "removes the correct user from session_vote.users array" do
+        sign_in user
+        delete :remove_user, params: {session_vote_id: session_vote.id, user_id: removable_user.id}
+        expect(SessionVote.where(id: session_vote.id).first.users).to eq [user]
+    end
+end
+
+