handle errors and fix join form

app/assets/javascripts/errors.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/assets/stylesheets/application.scss

@@ -85,6 +85,13 @@ a {
   width: 60%;
 }
 
+.center-page {
+  position: absolute;
+  top: 50%;
+  left:50%;
+  transform: translate(-50%,-50%);
+}
+
 iframe{
   position: absolute;
   top: 0;

app/assets/stylesheets/errors.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Errors controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/application_controller.rb

@@ -35,14 +35,6 @@ def allow_greenlight_users?
   end
   helper_method :allow_greenlight_users?
 
-  # Generate a URL to start a meeting.
-  def owner_meeting_url
-    opts = default_meeting_options
-    opts[:user_is_moderator] = true
-    @room.meeting.join_path(current_user.name, opts)
-  end
-  helper_method :owner_meeting_url
-
   # Determines if a form field needs the is-invalid class.
   def form_is_invalid?(obj, key)
     'is-invalid' if !obj.errors.messages[key].empty?

app/controllers/errors_controller.rb

@@ -0,0 +1,14 @@
+class ErrorsController < ApplicationController
+
+  def not_found
+    render status: 404
+  end
+
+  def unprocessable
+    render status: 422
+  end
+
+  def internal_error
+    render status: 500
+  end
+end

app/controllers/rooms_controller.rb

@@ -35,14 +35,18 @@ def join
     opts = default_meeting_options
 
     # Assign join name if passed.
-    if params[@room.invite_path]
+    if params[@room.invite_path][:join_name]
       @join_name = params[@room.invite_path][:join_name]
+    else
+      # Join name not passed.
+      return
     end
 
     if @room.is_running?
       if current_user
-        redirect_to @room.join_path(current_user, opts)
-      elsif join_name = params[:join_name] || params[@room.invite_path][:join_name]
+        redirect_to @room.join_path(current_user.name, opts, current_user.uid)
+      else
+        join_name = params[@room.invite_path][:join_name]
         redirect_to @room.join_path(join_name, opts)
       end
     else
@@ -65,7 +69,7 @@ def start
     opts = default_meeting_options
     opts[:user_is_moderator] = true
 
-    redirect_to @room.join_path(current_user, opts)
+    redirect_to @room.join_path(current_user.name, opts, current_user.uid)
 
     # Notify users that the room has started.
     # Delay 5 seconds to allow for server start, although the request will retry until it succeeds.

app/helpers/errors_helper.rb

@@ -0,0 +1,2 @@
+module ErrorsHelper
+end

app/models/room.rb

@@ -7,7 +7,6 @@ class Room < ApplicationRecord
   belongs_to :owner, class_name: 'User', foreign_key: :user_id
   has_one :meeting
 
-  ROOM_ICONS = %w(circle star certificate play cloud heart square bookmark cog)
   RETURNCODE_SUCCESS = "SUCCESS"
 
   # Determines if a user owns a room.
@@ -21,19 +20,6 @@ def is_running?
     bbb.is_meeting_running?(bbb_id)
   end
 
-  # Retrieves all the users in a room.
-  def participants
-    begin
-      res = bbb.get_meeting_info(bbb_id, nil)
-      res[:attendees].map do |att|
-        User.find_by(uid: att[:userID], name: att[:fullName])
-      end
-    rescue BigBlueButton::BigBlueButtonException => exc
-      # The meeting is most likely not running.
-      []
-    end
-  end
-
   # Determines the invite URL for the room.
   def invite_path
     "/r/#{uid}"
@@ -68,7 +54,7 @@ def start_session(options = {})
   end
 
   # Returns a URL to join a user into a meeting.
-  def join_path(user, options = {})
+  def join_path(name, options = {}, uid = nil)
     # Create the meeting if it isn't running.
     start_session(options) unless is_running?
 
@@ -95,10 +81,10 @@ def join_path(user, options = {})
     end
 
     # Generate the join URL.
-    if user.is_a?(User)
-      bbb.join_meeting_url(bbb_id, user.name, password, {userID: user.uid})
+    if uid
+      bbb.join_meeting_url(bbb_id, name, password, {userID: uid})
     else
-      bbb.join_meeting_url(bbb_id, user, password)
+      bbb.join_meeting_url(bbb_id, name, password)
     end
   end
 
@@ -109,6 +95,19 @@ def notify_waiting
     })
   end
 
+  # Retrieves all the users in a room.
+  def participants
+    begin
+      res = bbb.get_meeting_info(bbb_id, nil)
+      res[:attendees].map do |att|
+        User.find_by(uid: att[:userID], name: att[:fullName])
+      end
+    rescue BigBlueButton::BigBlueButtonException => exc
+      # The meeting is most likely not running.
+      []
+    end
+  end
+
   # Fetches all recordings for a meeting.
   def recordings
     res = bbb.get_recordings(meetingID: bbb_id)
@@ -168,8 +167,6 @@ def bbb
   def setup
     self.uid = [owner.firstname, (0...9).map { (65 + rand(26)).chr }.join].join('-').downcase
     self.bbb_id = Digest::SHA1.hexdigest(Rails.application.secrets[:secret_key_base] + Time.now.to_i.to_s).to_s
-
-    self.icon = ROOM_ICONS.sample
   end
 
   # Rereives the loadbalanced BigBlueButton credentials for a user.

app/views/errors/internal_error.html.erb

@@ -0,0 +1,7 @@
+<div class="text-center center-page">
+  <h1 class="display-2 font-weight-400">Oh no!</h1>
+  <h3>Looks like something went wrong on our end.</h3>
+  <%= link_to root_url do %>
+    <h4>Return to home page.</h4>
+  <% end %>
+</div>

app/views/errors/not_found.html.erb

@@ -0,0 +1,8 @@
+<div class="text-center center-page">
+  <h1 class="display-2 font-weight-400">Whoops!</h1>
+  <h2>Looks like we can't find that resource.</h2>
+  <h3>Is it possible its been removed?</h3>
+  <%= link_to root_url do %>
+    <h4>Return to home page.</h4>
+  <% end %>
+</div>

app/views/errors/unprocessable.html.erb

@@ -0,0 +1,7 @@
+<div class="text-center center-page">
+  <h1 class="display-2 font-weight-400">Oops!</h1>
+  <h3>Request is unprocessable.</h3>
+  <%= link_to root_url do %>
+    <h4>Return to home page.</h4>
+  <% end %>
+</div>

app/views/rooms/join.html.erb

@@ -1,7 +1,12 @@
 <%= render 'shared/room_event' do %>
   <%= form_for room_path, method: :post do |f| %>
     <div class="input-group" style="height: 48px;">
-      <%= f.text_field :join_name, class: "form-control main-large", placeholder: "Enter your name!", value: "#{current_user ? current_user.name : ''}" %>
+      <%= f.text_field :join_name,
+          required: true,
+          class: "form-control main-large",
+          placeholder: "Enter your name!",
+          value: "#{current_user ? current_user.name : ''}",
+          readonly: !current_user.nil? %>
       <span class="input-group-append">
         <%= f.submit "Join", class: "btn btn-primary px-7 main-large" %>
       </span>

app/views/shared/components/_subtitle.html.erb

@@ -3,6 +3,7 @@
       <p class="subtitle"><%= subtitle %></p>
     </div>
     <% if search %>
+      <!--
       <div class="col-3">
         <div class="input-icon">
           <span class="input-icon-addon">
@@ -11,6 +12,7 @@
           <input type="text" class="form-control btn-pill" placeholder="Search...">
         </div>
       </div>
+      -->
     <% end %>
   </div>
   <hr class="mt-0">

config/application.rb

@@ -12,6 +12,8 @@ class Application < Rails::Application
     # Application configuration should go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded.
 
+    config.exceptions_app = self.routes
+
     config.loadbalanced_configuration = (ENV["USE_LOADBALANCED_CONFIGURATION"] == "true")
 
     # Setup BigBlueButton configuration.
@@ -33,4 +35,4 @@ class Application < Rails::Application
     # Determine if GreenLight should allow non-omniauth signup/login.
     config.greenlight_accounts = (ENV['ALLOW_GREENLIGHT_ACCOUNTS'] == "true")
   end
-end
+end

config/environments/development.rb

@@ -9,8 +9,8 @@
   # Do not eager load code on boot.
   config.eager_load = false
 
-  # Show full error reports.
-  config.consider_all_requests_local = true
+  # Show custom error pages in development.
+  config.consider_all_requests_local = false
 
   # Enable/disable caching. By default caching is disabled.
   if Rails.root.join('tmp/caching-dev.txt').exist?

config/routes.rb

@@ -1,5 +1,10 @@
 Rails.application.routes.draw do
 
+  # Error routes.
+  match '/404', to: 'errors#not_found', via: :all
+  match '/422', to: 'errors#unprocessable', via: :all
+  match '/500', to: 'errors#internal_error', via: :all
+
   # Room resources.
   resources :rooms, only: [:create, :show, :destroy], param: :room_uid, path: '/r'
 

db/migrate/20180504131705_create_rooms.rb

@@ -5,7 +5,6 @@ def change
       t.string :name, index: true
       t.string :uid, index: true
       t.string :bbb_id, index: true
-      t.string :icon, index: true
       t.integer :sessions, index: true, default: 0
       t.datetime :last_session, index: true
 

db/schema.rb

@@ -17,13 +17,11 @@
     t.string   "name"
     t.string   "uid"
     t.string   "bbb_id"
-    t.string   "icon"
     t.integer  "sessions",     default: 0
     t.datetime "last_session"
     t.datetime "created_at",               null: false
     t.datetime "updated_at",               null: false
     t.index ["bbb_id"], name: "index_rooms_on_bbb_id"
-    t.index ["icon"], name: "index_rooms_on_icon"
     t.index ["last_session"], name: "index_rooms_on_last_session"
     t.index ["name"], name: "index_rooms_on_name"
     t.index ["sessions"], name: "index_rooms_on_sessions"