Merge pull request #25 from zach-chai/end_meeting

End meeting

app/assets/javascripts/channels/meeting_updates.js

@@ -0,0 +1,39 @@
+(function() {
+
+  var sessionStatusRefresh = function(url) {
+    $.get(url + "/session_status_refresh", function(html) {
+      $(".join-form-wrapper").html(html);
+    });
+  }
+
+  var initRooms = function() {
+    App.messages = App.cable.subscriptions.create({
+      channel: 'MeetingUpdatesChannel',
+      username: getRoomName()
+    },
+    {
+      received: function(data) {
+        if (data.action === 'moderator_joined') {
+          if (!Meeting.getInstance().getModJoined()) {
+            Meeting.getInstance().setModJoined(true);
+            if (Meeting.getInstance().getWaitingForMod()) {
+              loopJoin();
+            } else {
+              sessionStatusRefresh($('.meeting-url').val());
+            }
+          }
+        } else if (data.action === 'meeting_ended') {
+          sessionStatusRefresh($('.meeting-url').val());
+        }
+      }
+    });
+  };
+
+  $(document).on("turbolinks:load", function() {
+    if ($("body[data-controller=landing]").get(0)) {
+      if ($("body[data-action=rooms]").get(0)) {
+        initRooms();
+      }
+    }
+  });
+}).call(this);

app/assets/javascripts/channels/moderator_joins.js

@@ -1,27 +0,0 @@
-(function() {
-
-  var initRooms = function() {
-    App.messages = App.cable.subscriptions.create({
-      channel: 'ModeratorJoinsChannel',
-      username: getRoomName()
-    },
-    {
-      received: function(data) {
-        if (!Meeting.getInstance().getModJoined()) {
-          Meeting.getInstance().setModJoined(true);
-          if (Meeting.getInstance().getWaitingForMod()) {
-            loopJoin();
-          }
-        }
-      }
-    });
-  };
-
-  $(document).on("turbolinks:load", function() {
-    if ($("body[data-controller=landing]").get(0)) {
-      if ($("body[data-action=rooms]").get(0)) {
-        initRooms();
-      }
-    }
-  });
-}).call(this);

app/assets/javascripts/landing.js

@@ -15,7 +15,7 @@
 
   var init = function() {
 
-    $('.meeting-join').click (function (event) {
+    $('.center-panel').on ('click', '.meeting-join', function (event) {
       var url = $('.meeting-url').val();
       var name = $('.meeting-user-name').val();
       Meeting.getInstance().setURL(url);
@@ -34,7 +34,19 @@
       });
     });
 
-    $('.meeting-url-copy').click (function (e) {
+    $('.center-panel').on ('click', '.meeting-end', function (event) {
+      var jqxhr = Meeting.getInstance().endMeeting();
+      var btn = $(this);
+      btn.prop("disabled", true);
+      jqxhr.done(function(data) {
+
+      });
+      jqxhr.fail(function(xhr, status, error) {
+        console.info("meeting end failed");
+      });
+    });
+
+    $('.center-panel').on ('click', '.meeting-url-copy', function (event) {
       meetingURL = $('.meeting-url');
       meetingURL.select();
       document.execCommand("copy");

app/assets/javascripts/shared.js

@@ -36,6 +36,13 @@ class Meeting {
     });
   };
 
+  endMeeting() {
+    return $.ajax({
+      url: this.url + "/end",
+      type: 'DELETE'
+    });
+  }
+
   setURL(url) {
     this.url = url;
   }

app/channels/meeting_updates_channel.rb

@@ -0,0 +1,5 @@
+class MeetingUpdatesChannel < ApplicationCable::Channel
+  def subscribed
+    stream_from "#{params[:username]}_meeting_updates_channel"
+  end
+end

app/channels/moderator_joins_channel.rb

@@ -1,5 +0,0 @@
-class ModeratorJoinsChannel < ApplicationCable::Channel
-  def subscribed
-    stream_from "moderator_#{params[:username]}_join_channel"
-  end
-end

app/controllers/bbb_controller.rb

@@ -1,7 +1,8 @@
 class BbbController < ApplicationController
   include BbbApi
 
-  before_action :authorize_owner_recording, only: [:update_recordings, :delete_recordings]
+  before_action :authorize_recording_owner!, only: [:update_recordings, :delete_recordings]
+  before_action :load_and_authorize_room_owner!, only: [:end]
 
   # GET /:resource/:id/join
   def join
@@ -28,20 +29,29 @@ class BbbController < ApplicationController
       )
 
       if bbb_res[:returncode] && current_user && current_user == user
-        ActionCable.server.broadcast "moderator_#{user.username}_join_channel",
-          moderator: "joined"
+        ActionCable.server.broadcast "#{user.username}_meeting_updates_channel",
+          action: 'moderator_joined',
+          moderator: 'joined'
       end
 
       render_bbb_response bbb_res, bbb_res[:response]
     end
   end
 
+  # DELETE /rooms/:id/end
+  def end
+    load_and_authorize_room_owner!
+
+    bbb_res = bbb_end_meeting @user.username
+    if bbb_res[:returncode]
+      EndMeetingJob.perform_later(@user.username)
+    end
+    render_bbb_response bbb_res
+  end
+
   # GET /rooms/:id/recordings
   def recordings
-    @user = User.find_by username: params[:id]
-    if !@user
-      render head(:not_found) && return
-    end
+    load_room!
 
     bbb_res = bbb_get_recordings @user.username
     render_bbb_response bbb_res, bbb_res[:recordings]
@@ -64,18 +74,27 @@ class BbbController < ApplicationController
 
   private
 
-  def authorize_owner_recording
-    user = User.find_by username: params[:id]
-    if !user
+  def load_room!
+    @user = User.find_by username: params[:id]
+    if !@user
       render head(:not_found) && return
-    elsif !current_user || current_user != user
+    end
+  end
+
+  def load_and_authorize_room_owner!
+    load_room!
+
+    if !current_user || current_user != @user
       render head(:unauthorized) && return
     end
+  end
+
+  def authorize_recording_owner!
+    load_and_authorize_room_owner!
 
     recordings = bbb_get_recordings(params[:id])[:recordings]
     recordings.each do |recording|
       if recording[:recordID] == params[:record_id]
-        @user = user
         return true
       end
     end
@@ -87,6 +106,6 @@ class BbbController < ApplicationController
     @message = bbb_res[:message]
     @status = bbb_res[:status]
     @response = response
-    render status: @status && return
+    render status: @status
   end
 end

app/controllers/landing_controller.rb

@@ -1,4 +1,5 @@
 class LandingController < ApplicationController
+  include BbbApi
 
   def index
     if params[:resource] == 'meetings'
@@ -14,6 +15,17 @@ class LandingController < ApplicationController
     render layout: false
   end
 
+  def session_status_refresh
+    @user = User.find_by(username: params[:id])
+    if @user.nil?
+      render head(:not_found) && return
+    end
+
+    @meeting_running = bbb_get_meeting_info(@user.username)[:returncode]
+
+    render layout: false
+  end
+
   def admin?
     @user && @user == current_user
   end
@@ -29,11 +41,15 @@ class LandingController < ApplicationController
 
   def render_room
     params[:action] = 'rooms'
+
     @user = User.find_by(username: params[:id])
     if @user.nil?
       redirect_to root_path
       return
     end
+
+    @meeting_running = bbb_get_meeting_info(@user.username)[:returncode]
+
     render :action => 'rooms'
   end
 

app/jobs/end_meeting_job.rb

@@ -0,0 +1,25 @@
+class EndMeetingJob < ApplicationJob
+  include BbbApi
+
+  queue_as :default
+
+  def perform(room)
+    tries = 0
+    sleep_time = 2
+
+    while tries < 4
+      bbb_res = bbb_get_meeting_info(room)
+
+      if !bbb_res[:returncode]
+        ActionCable.server.broadcast "#{room}_meeting_updates_channel",
+          action: 'meeting_ended'
+        break
+      end
+
+      sleep sleep_time
+      sleep_time = sleep_time * 2
+      tries += 1
+    end
+
+  end
+end

app/lib/bbb_api.rb

@@ -11,6 +11,10 @@ module BbbApi
     @bbb ||= BigBlueButton::BigBlueButtonApi.new(bbb_endpoint + "api", bbb_secret, "0.8", true)
   end
 
+  def bbb_meeting_id(id)
+    Digest::SHA1.hexdigest(Rails.application.secrets[:secret_key_base]+id).to_s
+  end
+
   def random_password(length)
     o = [('a'..'z'), ('A'..'Z')].map { |i| i.to_a }.flatten
     password = (0...length).map { o[rand(o.length)] }.join
@@ -26,7 +30,7 @@ module BbbApi
     if !bbb
       return call_invalid_res
     else
-      meeting_id = (Digest::SHA1.hexdigest(Rails.application.secrets[:secret_key_base]+meeting_token)).to_s
+      meeting_id = bbb_meeting_id(meeting_token)
 
       # See if the meeting is running
       begin
@@ -63,10 +67,17 @@ module BbbApi
         password = bbb_meeting_info[:attendeePW]
       end
       join_url = bbb.join_meeting_url(meeting_id, full_name, password )
-      return success_res(join_url)
+      return success_join_res(join_url)
     end
   end
 
+  def bbb_get_meeting_info(id)
+    meeting_id = bbb_meeting_id(id)
+    response_data = bbb.get_meeting_info(meeting_id, nil)
+  rescue BigBlueButton::BigBlueButtonException => exc
+    response_data = bbb_exception_res exc
+  end
+
   def bbb_get_recordings(meeting_id, record_id=nil)
     options={}
     if record_id
@@ -124,6 +135,22 @@ module BbbApi
     res
   end
 
+  def bbb_end_meeting(id)
+    # get meeting info for moderator password
+    meeting_id = bbb_meeting_id(id)
+    bbb_meeting_info = bbb.get_meeting_info(meeting_id, nil)
+
+    response_data = if bbb_meeting_info.is_a?(Hash) && bbb_meeting_info[:moderatorPW]
+      bbb.end_meeting(meeting_id, bbb_meeting_info[:moderatorPW])
+    else
+      {}
+    end
+    response_data[:status] = :ok
+    response_data
+  rescue BigBlueButton::BigBlueButtonException => exc
+    response_data = bbb_exception_res exc
+  end
+
   def bbb_update_recordings(id, published)
     bbb_safe_execute :publish_recordings, id, published
   end
@@ -147,7 +174,7 @@ module BbbApi
     response_data
   end
 
-  def success_res(join_url)
+  def success_join_res(join_url)
     {
       returncode: true,
       messageKey: "ok",
@@ -178,10 +205,19 @@ module BbbApi
   end
 
   def bbb_exception_res(exc)
-    {
+    res = {
       returncode: false,
       messageKey: 'BBB'+exc.key.capitalize.underscore,
       message: exc.message,
+      status: :unprocessable_entity
+    }
+    if res[:messageKey] == 'BBBnotfound'
+      res[:status] = :not_found
+    end
+    res
+  rescue
+    {
+      returncode: false,
       status: :internal_server_error
     }
   end

app/views/bbb/end.jbuilder

@@ -0,0 +1 @@
+json.partial! 'bbb', messageKey: @messageKey, message: @message, status: @status

app/views/landing/meetings.html.erb

@@ -25,7 +25,7 @@
     <%= render layout: 'shared/center_panel' do %>
       <div class="center-block col-sm-8">
         <%= render 'shared/meeting_url', hidden: false %>
-        <%= render 'shared/join_form', user: current_user %>
+        <%= render 'shared/join_form' %>
       </div>
     <% end %>
 

app/views/landing/rooms.html.erb

@@ -29,7 +29,9 @@
           <% else %>
             <%= render 'shared/meeting_url', hidden: true %>
           <% end %>
-          <%= render 'shared/join_form', user: current_user %>
+          <div class="join-form-wrapper">
+            <%= render 'shared/join_form' %>
+          </div>
         </div>
       <% end %>
     </div>

app/views/landing/session_status_refresh.html.erb

@@ -0,0 +1 @@
+<%= render 'shared/join_form' %>

app/views/shared/_join_form.html.erb

@@ -1,14 +1,27 @@
 <div class="join-form input-group input-spacing">
   <% if current_user %>
-    <% @current_user = user %>
+    <% @current_user = current_user %>
     <%= text_field :current_user, :name, class: 'form-control meeting-user-name', type: 'hidden' %>
   <% else %>
     <%= text_field :nil, :nil, class: 'form-control meeting-user-name', placeholder: t('enter_name') %>
   <% end %>
   <% if admin? %>
-    <button type="button" class="btn btn-primary center-block meeting-join">
-      <%= t('start') %>
-    </button>
+    <% if @meeting_running %>
+      <div class="col-sm-6">
+        <button type="button" class="btn btn-primary meeting-join pull-right">
+          <%= t('join') %>
+        </button>
+      </div>
+      <div class="col-sm-6">
+        <button type="button" class="btn btn-danger meeting-end pull-left">
+          <%= t('end') %>
+        </button>
+      </div>
+    <% else %>
+      <button type="button" class="btn btn-primary center-block meeting-join">
+        <%= t('start') %>
+      </button>
+    <% end %>
   <% elsif current_user %>
     <button type="button" class="btn btn-primary center-block meeting-join">
       <%= t('join') %>

config/locales/en-us.yml

@@ -24,6 +24,7 @@ en-US:
   are_you: Are you %{name} ?
   date_recorded: Date Recorded
   duration: Duration
+  end: End
   enter_name: Enter your name
   greet_user: Welcome, %{name}
   greet_guest: Welcome to %{name} Meeting Space

config/routes.rb

@@ -13,6 +13,8 @@ Rails.application.routes.draw do
   get '/:resource/:id', to: 'landing#index', as: :resource
   get '/:resource/:id/join', to: 'bbb#join', as: :bbb_join, defaults: {format: 'json'}
   get '/:resource/:id/wait', to: 'landing#wait_for_moderator'
+  get '/:resource/:id/session_status_refresh', to: 'landing#session_status_refresh'
+  delete '/rooms/:id/end', to: 'bbb#end', defaults: {format: 'json'}
   get '/rooms/:id/recordings', to: 'bbb#recordings', defaults: {format: 'json'}
   patch '/rooms/:id/recordings/:record_id', to: 'bbb#update_recordings', defaults: {format: 'json'}
   delete '/rooms/:id/recordings/:record_id', to: 'bbb#delete_recordings', defaults: {format: 'json'}