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# frozen_string_literal: true
module Bitbucket
module ExponentialBackoff
extend ActiveSupport::Concern
INITIAL_DELAY = 1.second
EXPONENTIAL_BASE = 2
MAX_RETRIES = 3
RateLimitError = Class.new(StandardError)
def retry_with_exponential_backoff(&block)
run_retry_with_exponential_backoff(&block)
end
private
def run_retry_with_exponential_backoff
retries = 0
delay = INITIAL_DELAY
loop do
return yield
rescue OAuth2::Error, HTTParty::ResponseError => e
retries, delay = handle_error(retries, delay, e.message)
next
end
end
def handle_error(retries, delay, error)
retries += 1
raise RateLimitError, "Maximum number of retries (#{MAX_RETRIES}) exceeded. #{error}" if retries >= MAX_RETRIES
delay *= EXPONENTIAL_BASE * (1 + Random.rand)
logger.info(message: "Retrying in #{delay} seconds due to #{error}")
sleep delay
[retries, delay]
end
end
end
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