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# frozen_string_literal: true
require "active_support/log_subscriber"
module ActionMailer
# Implements the ActiveSupport::LogSubscriber for logging notifications when
# email is delivered or received.
class LogSubscriber < ActiveSupport::LogSubscriber
# An email was delivered.
def deliver(event)
info do
recipients = Array(event.payload[:to]).join(", ")
"Sent mail to #{recipients} (#{event.duration.round(1)}ms)"
end
debug { event.payload[:mail] }
end
# An email was received.
def receive(event)
info { "Received mail (#{event.duration.round(1)}ms)" }
debug { event.payload[:mail] }
end
# An email was generated.
def process(event)
debug do
mailer = event.payload[:mailer]
action = event.payload[:action]
"#{mailer}##{action}: processed outbound mail in #{event.duration.round(1)}ms"
end
end
# Use the logger configured for ActionMailer::Base.
def logger
ActionMailer::Base.logger
end
end
end
ActionMailer::LogSubscriber.attach_to :action_mailer