GRN2-xx: Removed readonly maintenance mode (#699)

* Removed readonly maintenance mode

* Removed full reference

app/controllers/application_controller.rb

@@ -36,9 +36,6 @@ class ApplicationController < ActionController::Base
   # Manually handle BigBlueButton errors
   rescue_from BigBlueButton::BigBlueButtonException, with: :handle_bigbluebutton_error
 
-  # Manually Handle errors when application is in readonly mode
-  rescue_from ActiveRecord::ReadOnlyRecord, with: :handle_readonly_error
-
   protect_from_forgery with: :exception
 
   MEETING_NAME_LIMIT = 90
@@ -50,7 +47,7 @@ class ApplicationController < ActionController::Base
   end
 
   def maintenance_mode?
-    if ENV["MAINTENANCE_MODE"] == "full"
+    if ENV["MAINTENANCE_MODE"] == "true"
       render "errors/greenlight_error", status: 503, formats: :html,
         locals: {
           status_code: 503,
@@ -193,10 +190,4 @@ class ApplicationController < ActionController::Base
   def handle_bigbluebutton_error
     render "errors/bigbluebutton_error"
   end
-
-  # Manually Handle errors when application is in readonly mode
-  def handle_readonly_error
-    flash.clear
-    redirect_to request.referrer || root_path, flash: { alert: I18n.t("errors.maintenance.readonly") }
-  end
 end

app/models/application_record.rb

@@ -22,8 +22,4 @@ class ApplicationRecord < ActiveRecord::Base
   def to_param
     uid
   end
-
-  def readonly?
-    ENV["MAINTENANCE_MODE"] == "readonly"
-  end
 end

app/models/room.rb

@@ -66,7 +66,7 @@ class Room < ApplicationRecord
       # Update session info.
       unless meeting[:messageKey] == 'duplicateWarning'
         update_attributes(sessions: sessions + 1,
-          last_session: DateTime.now) unless ENV["MAINTENANCE_MODE"] == "readonly"
+          last_session: DateTime.now)
       end
     rescue BigBlueButton::BigBlueButtonException => e
       puts "BigBlueButton failed on create: #{e.key}: #{e.message}"

app/models/user.rb

@@ -55,31 +55,14 @@ class User < ApplicationRecord
     def from_omniauth(auth)
       # Provider is the customer name if in loadbalanced config mode
       provider = auth['provider'] == "bn_launcher" ? auth['info']['customer'] : auth['provider']
-      u = find_by(social_uid: auth['uid'], provider: provider)
-
-      if ENV["MAINTENANCE_MODE"] == "readonly"
-        raise ActiveRecord::ReadOnlyRecord if u.nil?
-
-        return u
-      end
-
-      return User.create(
-        name: auth_name(auth),
-        username: auth_username(auth),
-        email: auth_email(auth),
-        social_uid: auth['uid'],
-        provider: provider,
-        image: auth_image(auth),
-        email_verified: true
-      ) if u.nil?
-
+      find_or_initialize_by(social_uid: auth['uid'], provider: provider).tap do |u|
         u.name = auth_name(auth) unless u.name
         u.username = auth_username(auth) unless u.username
         u.email = auth_email(auth)
         u.image = auth_image(auth)
         u.email_verified = true
         u.save!
-      u
+      end
     end
 
     private

bin/start

@@ -10,11 +10,9 @@ fi
 
 bundle exec rake db:create
 
-if [ "$MAINTENANCE_MODE" != "readonly" ] && [ "$MAINTENANCE_MODE" != "full" ]; then
 if ! bundle exec rake db:migrate ; then
   export DB_MIGRATE_FAILED=1
 fi
-fi
 
 bundle exec rake assets:precompile
 

config/locales/en.yml

@@ -124,7 +124,6 @@ en:
     maintenance:
       message: Sorry, we're down for maintenance.
       help: We'll be back soon!
-      readonly: This application is under maintenance. You will not be able to perform this action
     migration_error:
       contact_admin: If you are not an administrator, please contact one.
       continue: I'd like to stay using 1.0.

sample.env

@@ -147,8 +147,7 @@ ENABLE_GOOGLE_CALENDAR_BUTTON=
 # Set the application into Maintenance Mode
 #
 # Current options supported:
-# full: Renders an error page that does not allow users to access any of the features in the application
-# readonly: Sets the database to readonly mode, which allows users to use actions that dont write to the database
+# true: Renders an error page that does not allow users to access any of the features in the application
 # false: Application runs normally
 MAINTENANCE_MODE=false