Crêpe

The thin API stack.

Example

# config.ru
require 'crepe'
require 'twitter_api/v1'

class TwitterAPI < Crepe::API
  extend Crepe::Streaming

  version '1.1' do
    let!(:current_user)       { User.authorize!(*request.credentials) }

    namespace :statuses do
      # helpers
      let(:tweet_params)      {
        params.require(:status).permit :message, :in_reply_to_status_id
      }
      let(:current_tweet)     { current_user.tweets.find params[:id] }

      # endpoints
      get(:home_timeline)     { current_user.timeline }
      get(:mentions_timeline) { current_user.mentions }
      get(:user_timeline)     { current_user.tweets }
      get(:retweets_of_me)    { current_user.tweets.retweeted }

      post(:update)           { current_user.tweets.create! tweet_params }
      get('show/:id')         { current_tweet }
      get('retweets/:id')     { current_tweet.retweets }
      post('destroy/:id')     { current_tweet.destroy }
      post('retweet/:id')     { current_user.retweet! Tweet.find params[:id] }

      stream(:firehose)       { Tweet.stream { |t| render t } }
      stream(:sample)         { Tweet.sample.stream { |t| render t } }
    end

    get('search/tweets')      { Tweet.search params.slice Tweet::SEARCH_KEYS }
    stream(:user)             { current_user.timeline.stream { |t| render t } }
  end

  mount TwitterAPI::V1 # legacy version 1

  rescue_from ActiveRecord::RecordNotFound do |e|
    error! :not_found, e.message
  end
  rescue_from ActiveRecord::InvalidRecord do |e|
    error! :unprocessable_entity, e.message, errors: e.record.errors
  end
  rescue_from User::Unauthorized do |e|
    unauthorized! realm: 'Twitter API'
  end
end

run TwitterAPI

License

(The MIT License.)

© 2013–2014 Stephen Celis stephen@stephencelis.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.