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