63 lines
1.4 KiB
Ruby
63 lines
1.4 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class DeliveryFailureTracker
|
|
FAILURE_DAYS_THRESHOLD = 7
|
|
|
|
def initialize(url_or_host)
|
|
@host = url_or_host.start_with?('https://') || url_or_host.start_with?('http://') ? Addressable::URI.parse(url_or_host).normalized_host : url_or_host
|
|
end
|
|
|
|
def track_failure!
|
|
Redis.current.sadd(exhausted_deliveries_key, today)
|
|
UnavailableDomain.create(domain: @host) if reached_failure_threshold?
|
|
end
|
|
|
|
def track_success!
|
|
Redis.current.del(exhausted_deliveries_key)
|
|
UnavailableDomain.find_by(domain: @host)&.destroy
|
|
end
|
|
|
|
def days
|
|
Redis.current.scard(exhausted_deliveries_key) || 0
|
|
end
|
|
|
|
def available?
|
|
!UnavailableDomain.where(domain: @host).exists?
|
|
end
|
|
|
|
alias reset! track_success!
|
|
|
|
class << self
|
|
def without_unavailable(urls)
|
|
unavailable_domains_map = Rails.cache.fetch('unavailable_domains') { UnavailableDomain.pluck(:domain).each_with_object({}) { |domain, hash| hash[domain] = true } }
|
|
|
|
urls.reject do |url|
|
|
host = Addressable::URI.parse(url).normalized_host
|
|
unavailable_domains_map[host]
|
|
end
|
|
end
|
|
|
|
def available?(url)
|
|
new(url).available?
|
|
end
|
|
|
|
def reset!(url)
|
|
new(url).reset!
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def exhausted_deliveries_key
|
|
"exhausted_deliveries:#{@host}"
|
|
end
|
|
|
|
def today
|
|
Time.now.utc.strftime('%Y%m%d')
|
|
end
|
|
|
|
def reached_failure_threshold?
|
|
days >= FAILURE_DAYS_THRESHOLD
|
|
end
|
|
end
|