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# frozen_string_literal: true
module WebHooks
module AutoDisabling
extend ActiveSupport::Concern
included do
# A hook is disabled if:
#
# - we are no longer in the grace-perod (recent_failures > ?)
# - and either:
# - disabled_until is nil (i.e. this was set by WebHook#fail!)
# - or disabled_until is in the future (i.e. this was set by WebHook#backoff!)
scope :disabled, -> do
where('recent_failures > ? AND (disabled_until IS NULL OR disabled_until >= ?)',
WebHook::FAILURE_THRESHOLD, Time.current)
end
# A hook is executable if:
#
# - we are still in the grace-period (recent_failures <= ?)
# - OR we have exceeded the grace period and neither of the following is true:
# - disabled_until is nil (i.e. this was set by WebHook#fail!)
# - disabled_until is in the future (i.e. this was set by WebHook#backoff!)
scope :executable, -> do
where('recent_failures <= ? OR (recent_failures > ? AND (disabled_until IS NOT NULL) AND (disabled_until < ?))',
WebHook::FAILURE_THRESHOLD, WebHook::FAILURE_THRESHOLD, Time.current)
end
end
def executable?
!temporarily_disabled? && !permanently_disabled?
end
def temporarily_disabled?
return false if recent_failures <= WebHook::FAILURE_THRESHOLD
disabled_until.present? && disabled_until >= Time.current
end
def permanently_disabled?
return false if disabled_until.present?
recent_failures > WebHook::FAILURE_THRESHOLD
end
def disable!
return if permanently_disabled?
super
end
def backoff!
return if permanently_disabled? || (backoff_count >= WebHook::MAX_FAILURES && temporarily_disabled?)
super
end
def alert_status
if temporarily_disabled?
:temporarily_disabled
elsif permanently_disabled?
:disabled
else
:executable
end
end
end
end
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