Unify error pages (bigbluebutton#674)

* Unify error pages

* Start travis

app/controllers/application_controller.rb

@@ -111,7 +111,7 @@ def default_meeting_options
 
   # Manually deal with 401 errors
   rescue_from CanCan::AccessDenied do |_exception|
-    render "errors/not_found"
+    render "errors/greenlight_error"
   end
 
   # Checks to make sure that the admin has changed his password from the default
@@ -141,13 +141,18 @@ def set_user_domain
         retrieve_provider_info(@user_domain, 'api2', 'getUserGreenlightCredentials')
       rescue => e
         if e.message.eql? "No user with that id exists"
-          render "errors/not_found", locals: { message: I18n.t("errors.not_found.user_not_found.message"),
+          render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_not_found.message"),
             help: I18n.t("errors.not_found.user_not_found.help") }
         elsif e.message.eql? "Provider not included."
-          render "errors/not_found", locals: { message: I18n.t("errors.not_found.user_missing.message"),
+          render "errors/greenlight_error", locals: { message: I18n.t("errors.not_found.user_missing.message"),
             help: I18n.t("errors.not_found.user_missing.help") }
+        elsif e.message.eql? "That user has no configured provider."
+          render "errors/greenlight_error", locals: { status_code: 501,
+            message: I18n.t("errors.no_provider.message"),
+            help: I18n.t("errors.no_provider.help") }
         else
-          render "errors/internal_error"
+          render "errors/greenlight_error", locals: { status_code: 500, message: I18n.t("errors.internal.message"),
+            help: I18n.t("errors.internal.help"), display_back: true }
         end
       end
     end

app/controllers/errors_controller.rb

@@ -18,14 +18,21 @@
 
 class ErrorsController < ApplicationController
   def not_found
-    render status: 404, formats: :html
+    render "greenlight_error", status: 404, formats: :html
   end
 
   def internal_error
-    render status: 500, formats: :html
+    render "errors/greenlight_error", status: 500, formats: :html,
+      locals: {
+        status_code: 500,
+        message: I18n.t("errors.internal.message"),
+        help: I18n.t("errors.internal.help"),
+        display_back: true
+      }
   end
 
   def unauthorized
-    render status: 401, formats: :html
+    render "errors/greenlight_error", status: 401, formats: :html, locals: { status_code: 401,
+      message: I18n.t("errors.unauthorized.message"), help: I18n.t("errors.unauthorized.help"), display_back: true }
   end
 end

app/views/errors/greenlight_error.html.erb

@@ -0,0 +1,39 @@
+<%
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+%>
+
+<div class="container text-center pt-9">
+  <div class="display-1 text-primary mb-5">
+    <% if defined?(status_code) %>
+        <%= status_code %>
+    <% else %>
+        404
+    <% end %>
+  </div>
+    <% if defined?(message) && defined?(help) %>
+        <h1 class="h2 mb-3"><%= message %></h1>
+        <p class="h4 text-muted font-weight-normal mb-7"><%= help %></p>
+        <% if defined?(display_back) && display_back %>
+            <a class="btn btn-primary" href="javascript:history.back()">
+                <i class="fas fa-arrow-left mr-2"></i><%= t("go_back") %>
+            </a>
+        <% end %>
+    <% else %>
+        <h1 class="h2 mb-3"><%= t("errors.not_found.message") %></h1>
+        <p class="h4 text-muted font-weight-normal mb-7"><%= t("errors.not_found.help") %></p>
+        <a class="btn btn-primary" href="javascript:history.back()">
+            <i class="fas fa-arrow-left mr-2"></i><%= t("go_back") %>
+        </a>
+    <% end %>
+</div>

config/locales/en.yml

@@ -137,6 +137,9 @@ en:
       accepted: must be accepted
       confirmation: doesn't match %{attribute}
       inclusion: is not included in the list
+    no_provider:
+      message: The customer you provided doesn't have Greenlight configured
+      help: Please contact Blindside Networks to setup Greenlight
     not_found:
       message: Sorry! The page you are looking for does not exist.
       help: Is it possible its been removed?

spec/controllers/admins_controller_spec.rb

@@ -35,7 +35,7 @@
         @request.session[:user_id] = @user.id
         get :index
 
-        expect(response).to render_template(:not_found)
+        expect(response).to render_template(:greenlight_error)
       end
 
       it "renders the admin settings if an admin tries to acccess it" do

spec/controllers/application_controller_spec.rb

@@ -80,7 +80,7 @@ def user_not_found
       routes.draw { get "user_not_found" => "anonymous#user_not_found" }
 
       get :user_not_found
-      expect(response).to render_template("errors/not_found")
+      expect(response).to render_template("errors/greenlight_error")
     end
 
     it "renders a 404 error if user is not given" do
@@ -92,7 +92,7 @@ def user_not_found
       routes.draw { get "user_not_found" => "anonymous#user_not_found" }
 
       get :user_not_found
-      expect(response).to render_template("errors/not_found")
+      expect(response).to render_template("errors/greenlight_error")
     end
 
     it "renders a 500 error if any other error related to bbb api" do
@@ -104,7 +104,7 @@ def user_not_found
       routes.draw { get "user_not_found" => "anonymous#user_not_found" }
 
       get :user_not_found
-      expect(response).to render_template("errors/internal_error")
+      expect(response).to render_template("errors/greenlight_error")
     end
   end
 end