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Engine that helps you to generate dynamic error pages with Rails
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 Dependencies

Development

~> 0.5.2
~> 1.3
>= 0
~> 10.1

Runtime

>= 3.2.0
 Project Readme

dynamic_error_pages

Gem Version Build Status Code Climate Dependency Status

Engine that helps you to generate dynamic error pages with Rails

Requirements

rails >= 3.2

What and why

Normally Rails places some static error pages for special error codes (404, 422 and 500) inside the public directory. These files are rendered if an error occures. But these templates are rendered without a layout. This causes a bad integration into your custom layout. The dynamic_error_pages gem let you create your own templates which are rendered inside your application layout.

Installation

Add this line to your application's Gemfile:

gem 'dynamic_error_pages'

And then execute:

$ bundle

Usage

Include your templates

Just place your custom error templates inside the app/views/dynamic_error_pages/errors folder. The files need to be named like the returned status code. The 404.html.erb would be used for status code 404 like ActiveRecord::RecordNotFound would raise for example.

If an error is raised and no template for the status code can be found, the engine will fallback to the 404.html.erb-template.

Include the routing

Activate the routes for dynamic error handling in your routes.rb.

YourApp::Application.routes.draw do
  # ....
  
  dynamic_error_pages

end

Custom error handling

You may want to handle the incoming errors in a different way the gem handles this. Just create a subclass of For example, create a file named errors_controller.rb in app/controllers.

class ErrorsController < DynamicErrorPages::ErrorsController
  skip_before_filter :my_fancy_stuff # change your filters...

  def show
    # do whatever you want...
    super
  end
end

And adjust the routes file to support your custom errors_controller

DeviseDynamicErrorPages::Application.routes.draw do
  # ....
  
  dynamic_error_pages :controller => "errors"

end

Limitations

At the moment, the gem will allways force :html format in the response. In future versions, this behaviour will be extended.

TODO

  1. Support more formats
  2. Write more tests

Run tests

  1. bundle install
  2. rake appraisal

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request