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require 'rack'
require 'flipper/ui/action_collection'
# Require all actions automatically.
Pathname(__FILE__).dirname.join('actions').each_child(false) do |name|
require "flipper/ui/actions/#{name}"
end
module Flipper
module UI
class Middleware
def initialize(app, options = {})
@app = app
@env_key = options.fetch(:env_key, 'flipper')
@action_collection = ActionCollection.new
# UI
@action_collection.add UI::Actions::Features
@action_collection.add UI::Actions::AddFeature
@action_collection.add UI::Actions::Feature
@action_collection.add UI::Actions::ActorsGate
@action_collection.add UI::Actions::GroupsGate
@action_collection.add UI::Actions::BooleanGate
@action_collection.add UI::Actions::PercentageOfTimeGate
@action_collection.add UI::Actions::PercentageOfActorsGate
@action_collection.add UI::Actions::Gate
# Static Assets/Files
@action_collection.add UI::Actions::File
# Catch all redirect to features
@action_collection.add UI::Actions::Home
end
def call(env)
dup.call!(env)
end
def call!(env)
request = Rack::Request.new(env)
action_class = @action_collection.action_for_request(request)
if action_class.nil?
@app.call(env)
else
flipper = env.fetch(@env_key)
action_class.run(flipper, request)
end
end
end
end
end
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