transitionally downgraded to Rails 4.1 since activerecord-jdbcpostgresql-adapter is not fully compatible with Active Record 4.2

config/application.rb

@@ -1,6 +1,13 @@
 require File.expand_path('../boot', __FILE__)
 
-require 'rails/all'
+# Pick the frameworks you want:
+require "active_model/railtie"
+require "active_record/railtie"
+require "action_controller/railtie"
+require "action_mailer/railtie"
+require "action_view/railtie"
+require "sprockets/railtie"
+# require "rails/test_unit/railtie"
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -21,9 +28,6 @@ module CodeOcean
     # config.i18n.default_locale = :de
     config.i18n.available_locales = [:de, :en]
 
-    # Do not swallow errors in after_commit/after_rollback callbacks.
-    config.active_record.raise_in_transactional_callbacks = true
-
     config.autoload_paths << Rails.root.join('lib')
     config.eager_load_paths << Rails.root.join('lib')
   end

config/boot.rb

@@ -1,3 +1,4 @@
+# Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' # Set up gems listed in the Gemfile.
+require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])

config/environments/development.rb

@@ -13,6 +13,8 @@ Rails.application.configure do
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
 
+  config.action_mailer.perform_deliveries = true
+
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
 
@@ -22,15 +24,6 @@ Rails.application.configure do
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
-
-  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
-  # yet still be able to expire them through the digest params.
-  config.assets.digest = true
-
   # Adds additional error checking when serving assets at runtime.
   # Checks for improperly declared sprockets dependencies.
   # Raises helpful error messages.

config/environments/production.rb

@@ -16,13 +16,11 @@ Rails.application.configure do
 
   # Enable Rack::Cache to put a simple HTTP cache in front of your application
   # Add `rack-cache` to your Gemfile before enabling this.
-  # For large-scale production use, consider using a caching reverse proxy like
-  # NGINX, varnish or squid.
+  # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
   # config.action_dispatch.rack_cache = true
 
-  # Disable serving static files from the `/public` folder by default since
-  # Apache or NGINX already handles this.
-  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  # Disable Rails's static asset server (Apache or nginx will already do this).
+  config.serve_static_assets = false
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier
@@ -31,22 +29,21 @@ Rails.application.configure do
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false
 
-  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
-  # yet still be able to expire them through the digest params.
+  # Generate digests for assets URLs.
   config.assets.digest = true
 
-  # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
+  # Version of your assets, change this if you want to expire all your assets.
+  config.assets.version = '1.0'
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
+  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
-  # Use the lowest log level to ensure availability of diagnostic information
-  # when problems arise.
-  config.log_level = :debug
+  # Set to :debug to see everything in the log.
+  config.log_level = :info
 
   # Prepend all log lines with the following tags.
   # config.log_tags = [ :subdomain, :uuid ]
@@ -58,7 +55,11 @@ Rails.application.configure do
   # config.cache_store = :mem_cache_store
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.action_controller.asset_host = 'http://assets.example.com'
+  # config.action_controller.asset_host = "http://assets.example.com"
+
+  # Precompile additional assets.
+  # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
+  # config.assets.precompile += %w( search.js )
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
@@ -71,6 +72,9 @@ Rails.application.configure do
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
+  # Disable automatic flushing of the log to improve performance.
+  # config.autoflush_log = false
+
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 

config/environments/test.rb

@@ -12,8 +12,8 @@ Rails.application.configure do
   # preloads Rails for running tests, you may have to set it to true.
   config.eager_load = false
 
-  # Configure static file server for tests with Cache-Control for performance.
-  config.serve_static_files   = true
+  # Configure static asset server for tests with Cache-Control for performance.
+  config.serve_static_assets  = true
   config.static_cache_control = 'public, max-age=3600'
 
   # Show full error reports and disable caching.
@@ -31,9 +31,6 @@ Rails.application.configure do
   # ActionMailer::Base.deliveries array.
   config.action_mailer.delivery_method = :test
 
-  # Randomize the order test cases are executed.
-  config.active_support.test_order = :random
-
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 

config/initializers/assets.rb

@@ -1,11 +0,0 @@
-# Be sure to restart your server when you modify this file.
-
-# Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
-
-# Add additional assets to the asset load path
-# Rails.application.config.assets.paths << Emoji.images_path
-
-# Precompile additional assets.
-# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-# Rails.application.config.assets.precompile += %w( search.js )

config/initializers/session_store.rb

@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.session_store :cookie_store, key: '_CodeOcean_session'
+Rails.application.config.session_store :cookie_store, key: '_hands-on-programming_session'

config/routes.rb

@@ -1,20 +1,20 @@
 FILENAME_REGEXP = /[\w\.]+/ unless Kernel.const_defined?(:FILENAME_REGEXP)
 
 Rails.application.routes.draw do
-  root 'application#welcome'
+  root to: 'application#welcome'
 
   namespace :admin do
-    get 'dashboard' => 'dashboard#show'
+    get 'dashboard', to: 'dashboard#show'
   end
 
-  get '/help' => 'application#help'
+  get '/help', to: 'application#help'
 
   resources :consumers
 
   resources :execution_environments do
     member do
       get :shell
-      post 'shell' => :execute_command, as: :execute_command
+      post 'shell', as: :execute_command, to: :execute_command
     end
 
     resources :errors, only: [:create, :index, :show]
@@ -40,29 +40,29 @@ Rails.application.routes.draw do
 
   resources :internal_users do
     member do
-      match 'activate' => 'internal_users#activate', via: [:get, :patch, :put]
-      match 'reset_password' => 'internal_users#reset_password', via: [:get, :patch, :put]
+      match 'activate', to: 'internal_users#activate', via: [:get, :patch, :put]
+      match 'reset_password', to: 'internal_users#reset_password', via: [:get, :patch, :put]
     end
   end
 
-  match '/forgot_password' => 'internal_users#forgot_password', as: 'forgot_password', via: [:get, :post]
+  match '/forgot_password', as: 'forgot_password', to: 'internal_users#forgot_password', via: [:get, :post]
 
   resources :sessions, only: [:create, :destroy, :new]
 
-  post '/lti/launch' => 'sessions#create_through_lti', as: 'lti_launch'
-  get '/lti/return' => 'sessions#destroy_through_lti', as: 'lti_return'
-  get '/sign_in' => 'sessions#new', as: 'sign_in'
-  delete '/sign_out' => 'sessions#destroy', as: 'sign_out'
+  post '/lti/launch', as: 'lti_launch', to: 'sessions#create_through_lti'
+  get '/lti/return', as: 'lti_return', to: 'sessions#destroy_through_lti'
+  get '/sign_in', as: 'sign_in', to: 'sessions#new'
+  delete '/sign_out', as: 'sign_out', to: 'sessions#destroy'
 
   resources :submissions, only: [:create, :index, :show] do
     member do
-      get 'download/:filename' => :download_file, as: :download, constraints: {filename: FILENAME_REGEXP}
-      get 'render/:filename' => :render_file, as: :render, constraints: {filename: FILENAME_REGEXP}
-      get 'run/:filename' => :run, as: :run, constraints: {filename: FILENAME_REGEXP}
+      get 'download/:filename', as: :download, constraints: {filename: FILENAME_REGEXP}, to: :download_file
+      get 'render/:filename', as: :render, constraints: {filename: FILENAME_REGEXP}, to: :render_file
+      get 'run/:filename', as: :run, constraints: {filename: FILENAME_REGEXP}, to: :run
       get :score
       get :statistics
       post :stop
-      get 'test/:filename' => :test, as: :test, constraints: {filename: FILENAME_REGEXP}
+      get 'test/:filename', as: :test, constraints: {filename: FILENAME_REGEXP}, to: :test
     end
   end