From de0b12a0e47f3d5862395c9c77d48ebf6844ef9c Mon Sep 17 00:00:00 2001
From: Bilal <bilal@saburly.com>
Date: Mon, 14 Sep 2020 15:57:38 +0300
Subject: [PATCH] add live meeting in broadcast screen

---
 .env.sample                                   |  3 +++
 app/controllers/broadcasts_controller.rb      |  2 +-
 app/controllers/live_meetings_controller.rb   |  6 +++++
 .../public/broadcasts_controller.rb           |  2 +-
 .../public/live_meetings_controller.rb        |  9 +++++++
 app/models/broadcast.rb                       |  9 +++++++
 app/views/live_meetings/show.html.erb         | 13 ++++++++++
 app/views/public/live_meetings/show.html.erb  | 13 ++++++++++
 config/initializers/daily.rb                  |  1 +
 config/routes.rb                              |  4 +--
 ...113410_add_live_meeting_url_to_projects.rb |  5 ++++
 lib/daily.rb                                  | 26 +++++++++++++++++++
 12 files changed, 89 insertions(+), 4 deletions(-)
 create mode 100644 app/controllers/live_meetings_controller.rb
 create mode 100644 app/controllers/public/live_meetings_controller.rb
 create mode 100644 app/views/live_meetings/show.html.erb
 create mode 100644 app/views/public/live_meetings/show.html.erb
 create mode 100644 config/initializers/daily.rb
 create mode 100644 db/migrate/20200914113410_add_live_meeting_url_to_projects.rb
 create mode 100644 lib/daily.rb

diff --git a/.env.sample b/.env.sample
index 93c5cb8..1143b5c 100644
--- a/.env.sample
+++ b/.env.sample
@@ -32,3 +32,6 @@ CUSTOM_API_TOKEN=
 # Required for simulcasting to Millicast for director mode
 MILLICAST_API_SECRET=
 MILLICAST_ACCOUNT_ID=
+
+# Daily.co live chat API token
+DAILY_API_TOKEN=
\ No newline at end of file
diff --git a/app/controllers/broadcasts_controller.rb b/app/controllers/broadcasts_controller.rb
index 1e8839d..5524d0a 100644
--- a/app/controllers/broadcasts_controller.rb
+++ b/app/controllers/broadcasts_controller.rb
@@ -114,7 +114,7 @@ class BroadcastsController < ApplicationController
   end
 
   def conference_url_for(broadcast)
-    broadcast.video_conference_url_override.presence || url_for([broadcast.project, broadcast, :zoom_meeting])
+    broadcast.video_conference_url_override.presence || url_for([broadcast.project, broadcast, :live_meeting])
   end
 
   def log_create_analytics
diff --git a/app/controllers/live_meetings_controller.rb b/app/controllers/live_meetings_controller.rb
new file mode 100644
index 0000000..e946f1b
--- /dev/null
+++ b/app/controllers/live_meetings_controller.rb
@@ -0,0 +1,6 @@
+class LiveMeetingsController < ApplicationController
+  def show
+    authorize broadcast = Broadcast.find(params[:broadcast_id])
+    @live_meeting_url = broadcast.project.live_meeting_url
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/public/broadcasts_controller.rb b/app/controllers/public/broadcasts_controller.rb
index 84ecd35..1104bae 100644
--- a/app/controllers/public/broadcasts_controller.rb
+++ b/app/controllers/public/broadcasts_controller.rb
@@ -44,7 +44,7 @@ class Public::BroadcastsController < Public::BaseController
   end
 
   def conference_url_for(broadcast)
-    broadcast.video_conference_url_override.presence || broadcast_zoom_meeting_url(broadcast.token)
+    broadcast.video_conference_url_override.presence || broadcast_live_meeting_url(broadcast.token)
   end
 
   class MultiViewBroadcast
diff --git a/app/controllers/public/live_meetings_controller.rb b/app/controllers/public/live_meetings_controller.rb
new file mode 100644
index 0000000..61805af
--- /dev/null
+++ b/app/controllers/public/live_meetings_controller.rb
@@ -0,0 +1,9 @@
+class Public::LiveMeetingsController < Public::BaseController
+  skip_after_action :verify_authorized
+
+  def show
+    broadcast = Broadcast.find_by_token!(params[:broadcast_token])
+    @live_meeting_url = broadcast.project.live_meeting_url
+    render 'public/live_meetings/show'
+  end
+end
\ No newline at end of file
diff --git a/app/models/broadcast.rb b/app/models/broadcast.rb
index a27d801..90a114b 100644
--- a/app/models/broadcast.rb
+++ b/app/models/broadcast.rb
@@ -14,6 +14,7 @@ class Broadcast < ApplicationRecord
 
   # Should we use callbacks for this, or something else?
   after_create :create_mux_live_stream
+  after_create :create_live_meeting_if_not_created
   after_destroy :destroy_mux_live_stream
 
   pg_search_scope :search, {
@@ -59,6 +60,14 @@ class Broadcast < ApplicationRecord
     self.save!
   end
 
+  def create_live_meeting_if_not_created
+    if project.live_meeting_url.blank?
+      room = Daily.create_room
+      room_url = room['url']
+      project.update live_meeting_url: room_url
+    end
+  end
+
   def destroy_mux_live_stream
     begin
       stream = MuxLiveStream.new
diff --git a/app/views/live_meetings/show.html.erb b/app/views/live_meetings/show.html.erb
new file mode 100644
index 0000000..a7262c8
--- /dev/null
+++ b/app/views/live_meetings/show.html.erb
@@ -0,0 +1,13 @@
+<%= javascript_include_tag "https://unpkg.com/@daily-co/daily-js" %>
+
+<%= javascript_tag nonce: true do %>
+  callFrame = window.DailyIframe.createFrame({
+    showLeaveButton: true,
+    iframeStyle: {
+      position: 'fixed',
+      width: '100%',
+      height: '90%'
+    }
+  });
+  callFrame.join({ url: '<%= @live_meeting_url %>' });
+<% end %>
\ No newline at end of file
diff --git a/app/views/public/live_meetings/show.html.erb b/app/views/public/live_meetings/show.html.erb
new file mode 100644
index 0000000..0a91f26
--- /dev/null
+++ b/app/views/public/live_meetings/show.html.erb
@@ -0,0 +1,13 @@
+<%= javascript_include_tag "https://unpkg.com/@daily-co/daily-js" %>
+
+<%= javascript_tag nonce: true do %>
+  callFrame = window.DailyIframe.createFrame({
+  showLeaveButton: true,
+  iframeStyle: {
+  position: 'fixed',
+  width: '100%',
+  height: '90%'
+  }
+  });
+  callFrame.join({ url: '<%= @live_meeting_url %>' });
+<% end %>
\ No newline at end of file
diff --git a/config/initializers/daily.rb b/config/initializers/daily.rb
new file mode 100644
index 0000000..b2af2f7
--- /dev/null
+++ b/config/initializers/daily.rb
@@ -0,0 +1 @@
+require 'daily'
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index d93745c..f9e4062 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -104,7 +104,7 @@ Rails.application.routes.draw do
         member do
           delete :destroy_file
         end
-        resource :zoom_meeting, only: [:show]
+        resource :live_meeting, only: [:show]
         resources :broadcast_recordings, only: [:destroy]
       end
       resources :directories, except: [:index] do
@@ -149,7 +149,7 @@ Rails.application.routes.draw do
         end
       end
       resources :broadcasts, param: :token, only: [:show, :update] do
-        resource :zoom_meeting, only: [:show]
+        resource :live_meeting, only: [:show]
         resources :broadcast_recordings, only: [:edit, :update] do
           resources :broadcast_recording_starrings, only: :create
         end
diff --git a/db/migrate/20200914113410_add_live_meeting_url_to_projects.rb b/db/migrate/20200914113410_add_live_meeting_url_to_projects.rb
new file mode 100644
index 0000000..8270b81
--- /dev/null
+++ b/db/migrate/20200914113410_add_live_meeting_url_to_projects.rb
@@ -0,0 +1,5 @@
+class AddLiveMeetingUrlToProjects < ActiveRecord::Migration[6.0]
+  def change
+    add_column :projects, :live_meeting_url, :text
+  end
+end
diff --git a/lib/daily.rb b/lib/daily.rb
new file mode 100644
index 0000000..9ff881c
--- /dev/null
+++ b/lib/daily.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class Daily
+  include HTTParty
+  base_uri 'api.daily.co/v1'
+
+  class << self
+    def create_room
+      response = post "#{base_uri}/rooms", headers: headers
+
+      if response.code != 200
+        throw StandardError.new('Failed to create a room')
+      end
+
+      response.parsed_response
+    end
+
+    private
+
+    def headers
+      {
+        'Authorization': "Bearer #{ENV['DAILY_API_TOKEN']}"
+      }
+    end
+  end
+end
\ No newline at end of file