Class: Zendesk2::RateLimit

Inherits:
Object
  • Object
show all
Defined in:
lib/zendesk2/rate_limit.rb

Overview

Faraday middleware to block and sleep on rate limit events

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

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

Returns a new instance of RateLimit.



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# File 'lib/zendesk2/rate_limit.rb', line 8

def initialize(app, options = {})
  @app    = app
  @logger = options[:logger] || ::Logger.new(nil)
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/zendesk2/rate_limit.rb', line 6

def logger
  @logger
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/zendesk2/rate_limit.rb', line 13

def call(env)
  original_env = env.dup
  response = @app.call(env)

  if response.env[:status] == 429
    delay = (response.env[:response_headers][:retry_after]).to_f
    logger.warn "Rate limited! Retrying after #{delay} seconds."

    sleep(delay)

    call(original_env).tap { |r| increment(r, delay) }
  else
    response
  end
end