core/lib/generators/gaku/install/install_generator.rb
require 'rails/generators'
require 'highline/import'
require 'bundler'
require 'bundler/cli'
module Gaku
class InstallGenerator < Rails::Generators::Base
class_option :migrate, type: :boolean, default: true, banner: 'Run Gaku migrations'
class_option :seed, type: :boolean, default: true, banner: 'load seed data (migrations must be run)'
class_option :auto_accept, type: :boolean
class_option :lib_name, type: :string, default: 'gaku'
class_option :env, type: :string, default: 'development'
def self.source_paths
paths = superclass.source_paths
paths << File.expand_path('../templates', "../../#{__FILE__}")
paths << File.expand_path('../templates', "../#{__FILE__}")
paths << File.expand_path('../templates', __FILE__)
paths.flatten
end
def copy_grading
directory 'lib/grading', 'lib/grading'
copy_file 'Procfile', 'Procfile'
end
def prepare_options
@env = options[:env]
@run_migrations = options[:migrate]
@load_seed_data = options[:seed]
@load_seed_data = false unless @run_migrations
end
def remove_unneeded_files
remove_file 'public/index.html'
end
def setup_assets
@lib_name = 'gaku'
%w( javascripts stylesheets images ).each do |path|
empty_directory "app/assets/#{path}/gaku/frontend" if defined? Gaku::Frontend || Rails.env.test?
empty_directory "app/assets/#{path}/gaku/admin" if defined? Gaku::Admin || Rails.env.test?
end
if defined? Gaku::Frontend || Rails.env.test?
template 'app/assets/javascripts/gaku/frontend/all.js'
template 'app/assets/stylesheets/gaku/frontend/all.css'
end
if defined? Gaku::Admin || Rails.env.test?
template 'app/assets/javascripts/gaku/admin/all.js'
template 'app/assets/stylesheets/gaku/admin/all.css'
end
end
def create_overrides_directory
empty_directory 'app/overrides'
end
def configure_application
application <<-APP
config.to_prepare do
# Load application's model / class injectors
Dir.glob(File.join(File.dirname(__FILE__), "../app/**/*_injector*.rb")) do |c|
Rails.configuration.cache_classes ? require(c) : load(c)
end
# Load application's view overrides
Dir.glob(File.join(File.dirname(__FILE__), "../app/overrides/*.rb")) do |c|
Rails.configuration.cache_classes ? require(c) : load(c)
end
# Load application's services
Dir.glob(File.join(File.dirname(__FILE__), "../app/services/**/*.rb")) do |c|
Rails.configuration.cache_classes ? require(c) : load(c)
end
end
APP
append_file 'config/environment.rb', "\nActiveRecord::Base.include_root_in_json = true\n"
end
def include_seed_data
append_file 'db/seeds.rb', <<-SEEDS
\n
Gaku::Core::Engine.load_seed if defined?(Gaku::Core)
SEEDS
end
def install_migrations
say_status :copying, 'migrations'
silence_stream(STDOUT) do
silence_warnings { rake 'railties:install:migrations' }
end
end
def create_database
say_status :creating, 'database'
silence_stream(STDOUT) do
silence_stream(STDERR) do
silence_warnings { rake 'db:create', env: @env }
end
end
end
def run_migrations
if @run_migrations
say_status :running, 'migrations'
rake 'db:migrate', env: @env
else
say_status :skipping, "migrations (don't forget to run rake db:migrate)"
end
end
def populate_seed_data
if @load_seed_data
say_status :loading, 'seed data'
cmd = lambda { rake 'db:seed', env: @env }
cmd.call
else
say_status :skipping, 'seed data (you can always run rake db:seed)'
end
end
def notify_about_routes
if File.readlines(File.join('config', 'routes.rb')).grep(/mount Gaku::Core::Engine/).any?
say_status :skipping, 'route Gaku::Core::Engine already present.'
else
insert_into_file File.join('config', 'routes.rb'), after: "Rails.application.routes.draw do\n" do
%Q( mount Gaku::Core::Engine, at: '/' )
end
unless options[:quiet]
puts '*' * 50
puts "We added the following line to your application's config/routes.rb file:"
puts ' '
puts " mount Gaku::Core::Engine, at: '/'"
end
end
end
def complete
unless options[:quiet]
puts '*' * 50
puts "Gaku has been installed successfully. You're all ready to go!"
puts ' '
puts 'Enjoy!'
end
end
private
def silence_stream(stream)
old_stream = stream.dup
stream.reopen(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ ? 'NUL:' : '/dev/null')
stream.sync = true
yield
ensure
stream.reopen(old_stream)
old_stream.close
end
end
end