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Action Interceptor provides methods to store return url's across multiple requests. Useful during authentication, registration, signing terms of use, etc.
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Action Interceptor

Gem Version Build Status Code Climate

Action Interceptor is a Rails engine that makes it easy to store and retrieve return url's across multiple requests and different controllers.

This can be used, for example, for registration, authentication, signing terms of use, etc.

Installation

Add this line to your application's Gemfile:

gem 'action_interceptor'

And then execute:

$ bundle install

Afterwards, run the following rake task to add Action Interceptor's initializer to your application:

$ rake action_interceptor:install

In case Action Interceptor is completely unable to determine which page a user came from (should rarely happen if properly configured), it will send the user to your application's root url.

Usage

Before your before_action or controller redirects the user to the login/registration/terms of use page, call store_url to store the current url.

In the login/registration/terms of use page, call store_fallback to store the http referer, in case the user reached that page through an unexpected path.

When the user is done with their task, call redirect_back to send them back to where they were before.

All of those methods can also take an options hash, where you can pass a :key argument. If your site uses multiple different redirects, you can specify a different :key for each in order to have them not overwrite each other.

Just by including the gem in your app, the following convenience methods will also be added to all controllers as helper methods, so they will also be available in views: current_page?(url), current_url and stored_url.

  • current_url returns the current url.
  • current_page?(url) returns true iif the given url is the current_url.
  • stored_url returns the stored url.

The following convenience methods are also added to controllers: store_url, store_fallback, delete_stored_url and redirect_back. These methods have the following behavior:

  • store_url stores the current url (or specify the url using the :url option).
  • store_fallback stores the http referer only if no stored url is already present (or specify the fallback url using :url option).
  • delete_stored_url deletes the stored url.
  • redirect_back redirects the user to the stored url and deletes it.

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Write specs for your feature
  4. Implement your new feature
  5. Test your feature (rake)
  6. Commit your changes (git commit -am 'Added some feature')
  7. Push to the branch (git push origin my-new-feature)
  8. Create new Pull Request

Development Environment Setup

  1. Use bundler to install all dependencies:
$ bundle install
  1. Load the schema:
$ rake db:schema:load

Or if the above fails:

$ bundle exec rake db:schema:load

Testing

To run all existing tests for Action Interceptor, simply execute the following from the main folder:

$ rake

Or if the above fails:

$ bundle exec rake

License

This gem is distributed under the terms of the MIT license. See the MIT-LICENSE file for details.