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module Rails
module Generators
class ControllerGenerator < NamedBase # :nodoc:
argument :actions, type: :array, default: [], banner: "action action"
check_class_collision suffix: "Controller"
def create_controller_files
template 'controller.rb', File.join('app/controllers', class_path, "#{file_name}_controller.rb")
end
def add_routes
actions.reverse.each do |action|
route generate_routing_code(action)
end
end
hook_for :template_engine, :test_framework, :helper, :assets
private
# This method creates nested route entry for namespaced resources.
# For eg. rails g controller foo/bar/baz index
# Will generate -
# namespace :foo do
# namespace :bar do
# get 'baz/index'
# end
# end
def generate_routing_code(action)
depth = class_path.length
# Create 'namespace' ladder
# namespace :foo do
# namespace :bar do
namespace_ladder = class_path.each_with_index.map do |ns, i|
indent("namespace :#{ns} do\n", i * 2)
end.join
# Create route
# get 'baz/index'
route = indent(%{get '#{file_name}/#{action}'\n}, depth * 2)
# Create `end` ladder
# end
# end
end_ladder = (1..depth).reverse_each.map do |i|
indent("end\n", i * 2)
end.join
# Combine the 3 parts to generate complete route entry
namespace_ladder + route + end_ladder
end
end
end
end
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