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# File 'lib/generators/rails_admin/install_generator.rb', line 21
def install
routes = File.open(Rails.root.join("config/routes.rb")).try :read
initializer = (File.open(Rails.root.join("config/initializers/rails_admin.rb")) rescue nil).try :read
display "Hello, RailsAdmin installer will help you set things up!", :blue
display "I need to work with Devise, let's look at a few things first:"
if options[:skip_devise]
display "Skipping devise installation..."
else
display "Checking for a current installation of devise..."
unless defined?(Devise)
display "Adding devise gem to your Gemfile:"
append_file "Gemfile", "\n", :force => true
gem 'devise'
Bundler.with_clean_env do
run "bundle install"
end
else
display "Found it!"
end
unless File.exists?(Rails.root.join("config/initializers/devise.rb"))
display "Looks like you don't have devise installed! We'll install it for you:"
generate "devise:install"
else
display "Looks like you've already installed it, good!"
end
end
namespace = ask_for("Where do you want to mount rails_admin?", "admin", _namespace)
gsub_file "config/routes.rb", /mount RailsAdmin::Engine => \'\/.+\', :as => \'rails_admin\'/, ''
route("mount RailsAdmin::Engine => '/#{namespace}', :as => 'rails_admin'")
unless options[:skip_devise]
unless routes.index("devise_for")
model_name = ask_for("What would you like the user model to be called?", "user", _model_name)
display "Now setting up devise with user model name '#{model_name}':"
generate "devise", model_name
else
display "And you already set it up, good! We just need to know about your user model name..."
guess = routes.match(/devise_for +:(\w+)/)[1].try(:singularize)
display("We found '#{guess}' (should be one of 'user', 'admin', etc.)")
model_name = ask_for("Correct Devise model name if needed.", guess, _model_name)
unless guess == model_name
display "Now setting up devise with user model name '#{model_name}':"
generate "devise", model_name
else
display "Ok, Devise looks already set up with user model name '#{model_name}':"
end
end
end
display "Now you'll need an initializer..."
@current_user_method = model_name ? "current_#{model_name.to_s.underscore}" : ""
@model_name = model_name || '<your user class>'
unless initializer
template "initializer.erb", "config/initializers/rails_admin.rb"
else
display "You already have a config file. You're updating, heh? I'm generating a new 'rails_admin.rb.example' that you can review."
template "initializer.erb", "config/initializers/rails_admin.rb.example"
config_tag = initializer.match(/RailsAdmin\.config.+\|(.+)\|/)[1] rescue nil
if config_tag
if initializer.index(::Regexp.new("#{config_tag}\.current_user_method.?\{.+?\}"))
display "current_user_method found and updated with '#{@current_user_method}'", :green
gsub_file Rails.root.join("config/initializers/rails_admin.rb"), ::Regexp.new("#{config_tag}\.current_user_method.?\{.+?\}"), "#{config_tag}.current_user_method { #{@current_user_method} }"
else
display "current_user_method not found. Added one with '#{@current_user_method}'!", :yellow
insert_into_file Rails.root.join("config/initializers/rails_admin.rb"), "\n\n #{config_tag}.current_user_method { #{@current_user_method} } #auto-generated", :after => /^RailsAdmin\.config.+$/
end
else
display "Couldn't parse your config file: current_user_method couldn't be updated", :red
end
end
display "Adding a migration..."
migration_template 'migration.rb', 'db/migrate/create_rails_admin_histories_table.rb' rescue display $!.message
display "Job's done: migrate, start your server and visit '/#{namespace}'!", :blue
end
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