Currently, I created an independent generator. When I run rails g query, it works and creates my files well.
Here that code:
# lib/generators/rails/query_generator.rb
require_relative '../my_gem/named_base'
module Rails
module Generators
class QueryGenerator < MyLib::Generators::NamedBase
source_root File.expand_path('templates', __dir__)
check_class_collision suffix: 'Query'
def create_model_query
return if class_name.blank?
template_file = File.join('app/queries', class_path, "#{file_name}_query.rb")
template 'query.rb.erb', template_file
end
end
end
end
Now, I want to run the generator when the people run rails g model but I can't achieve it.
I try to override the generator model class and use a hook_for to call it but it isn't working. Here the code:
# lib/generators/model_generator.rb
require "rails/generators"
require "rails/generators/rails/model/model_generator"
require_relative './query_generator'
module Rails
module Generators
class ModelGenerator < ::Rails::Generators::ModelGenerator
hook_for :orm, as: :model, in: :rails do |instance, model|
instance.invoke Rails::Generators::QueryGenerator, [ instance.name ]
end
end
end
end
I hope you can help me. Thanks!
Update
Finally, I found the solution! With the help of Railtie, I could achieve the expected behaviour hooking from the rails model generator.
# lib/my_gem.rb
require ...
require 'my_gem/railtie' if defined?(Rails)
# lib/my_gem/railtie.rb
require 'rails/railtie'
module ActiveModel
class Railtie < Rails::Railtie
generators do |app|
Rails::Generators.configure! app.config.generators
require_relative '../generators/model_generator'
end
end
end
# lib/generators/model_generator.rb
require 'rails/generators'
require 'rails/generators/rails/model/model_generator'
require_relative 'rails/query_generator'
module Rails
module Generators
class ModelGenerator
hook_for :query, type: :boolean, default: true
end
end
end
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