Class: DuffelAPI::Middlewares::RateLimiter

Inherits:
Faraday::Middleware
  • Object
show all
Defined in:
lib/duffel_api/middlewares/rate_limiter.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ RateLimiter

Returns a new instance of RateLimiter.



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 17

def initialize(app, options = {})
  super(app, options)
end

Class Attribute Details

.ratelimit_limit ⇒ Object

Returns the value of attribute ratelimit_limit.



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 10

def ratelimit_limit
  @ratelimit_limit
end

.ratelimit_remaining ⇒ Object

Returns the value of attribute ratelimit_remaining.



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 10

def ratelimit_remaining
  @ratelimit_remaining
end

.ratelimit_reset ⇒ Object

Returns the value of attribute ratelimit_reset.



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 10

def ratelimit_reset
  @ratelimit_reset
end

Class Method Details

.mutex ⇒ Object 



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 12

def mutex
  @mutex ||= Mutex.new
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/duffel_api/middlewares/rate_limiter.rb', line 21

def call(env)
  sleep_until_ratelimit_reset if rate_limited?

  app.call(env).tap do |response|
    headers = response.env.response_headers

    RateLimiter.mutex.synchronize do
      RateLimiter.ratelimit_limit = new_ratelimit_limit(headers)
      RateLimiter.ratelimit_remaining = new_ratelimit_remaining(headers)
      RateLimiter.ratelimit_reset = new_ratelimit_reset(headers)
    end
  end
end