devise

https://github.com/plataformatec/devise

Ruby

Flexible authentication solution for Rails with Warden.

Devise::Models::Confirmable::ClassMethods#confirm_by_token

Find a user by its confirmation token and try to confirm it.
If no user is found, returns a new user with an error.
If the user is already confirmed, create an error for the user
Options must have the confirmation_token

Source | Google | Stack overflow

Edit

git clone [email protected]:plataformatec/devise.git

cd devise

open lib/devise/models/confirmable.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Devise--Models--Confirmable--ClassMethods-confirm_by_token-for-pr

# Commit to git

git add lib/devise/models/confirmable.rbgit commit -m "better docs for Devise::Models::Confirmable::ClassMethods#confirm_by_token"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Devise--Models--Confirmable--ClassMethods-confirm_by_token-for-pr

hub pull-request

# Celebrate!