ParamsSanitizer

params_sanitizer sanitize parameter.It is really easy and useful.

Installation

Add this line to your application's Gemfile:

gem 'params_sanitizer'

And then execute:

$ bundle

Or install it yourself as:

$ gem install params_sanitizer

Usage

For example. sanitize params for a search query.

Define sanitizer.

class SearchParamsSanitizer < ParamsSanitizer::Base
  def self.permit_filter
    [:word, :order]
  end

  exist_value  :word,  ''               # set default value '', when param[:word] does not exist.
  accept_value :order, 1 , ['0','1']    # set default value 1, when param[:order] is not 0 or 1.
end

other sanitizer look this. ParamsSanitizer::Sanitizers

and in controller

def search_params
  SearchParamsSanitizer.sanitize(params)  # can get sanitized params.
end

result.

{
  word: 'japanese anime',
  unknown_params: 'hogehogehoge',
}

# after sanitize

{
  word: 'japanese anime',
  order: 1
}

when params nest.

{
  search: { word: 'japanese anime' }
}

def search_params
  SearchParamsSanitizer.sanitize(params, :search)  # can get sanitized params.
end

result.

{
  word: 'japanese anime',
  order: 1
}

Sanitizers

• accept_range
• accept_regex
• accept_value
• reject_range
• reject_regex
• reject_value
• exist_value

API DOCUMENT

• ParamsSanitizer

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