design - Should I prefer instance methods over class methods in Ruby? - Programmers

Should I prefer instance methods over class methods in Ruby?: I'm working on a rails application, and I've been

I'm working on a rails application, and I've been pulling functionality out of my rails code and into pure ruby classes in lib/. I've found myself often writing classes like this: class MailchimpIntegration def subscribe_email(email, fname, lname) Gibbon.list_subscribe(:id => NEWSLETTER_LIST_ID, :email_address => email, :merge_vars => {'fname' => fname, 'lname' => lname }, :email_type => "html", :double_optin => false, :send_welcome => false) end def unsubscribe_email(email) Gibbon.list_unsubscribe(:id => NEWSLETTER_LIST_ID, :email_address => email) end def change_details(old_email, email, fname, lname) Gibbon.list_update_member(:id => NEWSLETTER_LIST_ID, :email_address => old_email, :merge_vars => {'email' => email, 'fname' => fname, 'lname' => lname }) end def get_email_info(email) Gibbon.list_member_info(:id => NEWSLETTER_LIST_ID, :email_address => [email])["data"].firs...

Full article: http://programmers.stackexchange.com/questions/162349/sho...