Class: Flipper::Api::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/flipper/api/middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app, flipper_or_block) ⇒ Middleware

Public: Initializes an instance of the API middleware.

app - The app this middleware is included in. flipper_or_block - The Flipper::DSL instance or a block that yields a

Flipper::DSL instance to use for all operations.

Examples

flipper = Flipper.new(...)

# using with a normal flipper instance
use Flipper::Api::Middleware, flipper

# using with a block that yields a flipper instance
use Flipper::Api::Middleware, lambda { Flipper.new(...) }



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# File 'lib/flipper/api/middleware.rb', line 28

def initialize(app, flipper_or_block)
  @app = app

  if flipper_or_block.respond_to?(:call)
    @flipper_block = flipper_or_block
  else
    @flipper = flipper_or_block
  end

  @action_collection = ActionCollection.new
  @action_collection.add Api::V1::Actions::BooleanGate
  @action_collection.add Api::V1::Actions::Feature
  @action_collection.add Api::V1::Actions::Features
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/flipper/api/middleware.rb', line 47

def call(env)
  dup.call!(env)
end

#call!(env) ⇒ Object 



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# File 'lib/flipper/api/middleware.rb', line 51

def call!(env)
  request = Rack::Request.new(env)
  action_class = @action_collection.action_for_request(request)
  if action_class.nil?
    @app.status = 404
    @app.call(env)
  else
    action_class.run(flipper, request)
  end
end

#flipper ⇒ Object 



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# File 'lib/flipper/api/middleware.rb', line 43

def flipper
  @flipper ||= @flipper_block.call
end