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DCI with delegation instead of extension
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class User < ActiveRecord::Base | |
# ... lots of persistence stuff | |
end | |
class GitHubUserProvisioner < SimpleDelegator | |
def provision_with!(user_info, extra_user_hash) | |
self.github_login = extra_user_hash['login'] | |
self.name = user_info['name'] | |
self.email = user_info['email'] | |
self.github_url = user_info['urls']['GitHub'] | |
self.blog_url = user_info['urls']['Blog'] | |
self.gravatar_id = extra_user_hash['gravatar_id'] | |
self.location = extra_user_hash['location'] | |
save! | |
end | |
end | |
# And, say, in your SessionController in your controller action | |
class SessionController < ApplicationController | |
def create | |
user = User.new | |
provisioner = GitHubUserProvisioner.new(user) | |
provisioner.provision_with!(*yank_oauth_stuff_off_request) | |
end | |
private | |
def yank_oauth_stuff_off_request | |
# ... | |
end | |
end |
Another reference: https://tonyarcieri.com/dci-in-ruby-is-completely-broken
A book on DCI & Ruby: http://clean-ruby.com/
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From the blog: http://evan.tiggerpalace.com/articles/2011/11/24/dci-that-respects-the-method-cache/