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93 lines
2.1 KiB
Ruby
93 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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class DeliveryFailureTracker
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include Redisable
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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.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.del(exhausted_deliveries_key)
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UnavailableDomain.find_by(domain: @host)&.destroy
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end
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def clear_failures!
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redis.del(exhausted_deliveries_key)
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end
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def days
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redis.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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def exhausted_deliveries_days
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@exhausted_deliveries_days ||= redis.smembers(exhausted_deliveries_key).sort.map { |date| Date.new(date.slice(0, 4).to_i, date.slice(4, 2).to_i, date.slice(6, 2).to_i) }
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end
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alias reset! track_success!
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class << self
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include Redisable
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def without_unavailable(urls)
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unavailable_domains_map = Rails.cache.fetch('unavailable_domains') { UnavailableDomain.pluck(:domain).index_with(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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def warning_domains
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domains = redis.keys(exhausted_deliveries_key_by('*')).map do |key|
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key.delete_prefix(exhausted_deliveries_key_by(''))
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end
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domains - UnavailableDomain.all.pluck(:domain)
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end
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def warning_domains_map
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warning_domains.index_with { |domain| redis.scard(exhausted_deliveries_key_by(domain)) }
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end
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private
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def exhausted_deliveries_key_by(host)
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"exhausted_deliveries:#{host}"
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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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