class RecipientInterceptor

# File lib/recipient_interceptor.rb, line 4
def initialize(recipients, opts = {})
  @recipients = if recipients.respond_to?(:split)
    recipients.split(",")
  else
    recipients
  end

  @subject_prefix = opts[:subject_prefix]
end

# File lib/recipient_interceptor.rb, line 14
def delivering_email(msg)
  if @subject_prefix.respond_to?(:call)
    msg.subject = "#{@subject_prefix.call(msg)} #{msg.subject}"
  elsif @subject_prefix
    msg.subject = "#{@subject_prefix} #{msg.subject}"
  end

  msg.header["X-Intercepted-To"] = msg.to || []
  msg.header["X-Intercepted-Cc"] = msg.cc || []
  msg.header["X-Intercepted-Bcc"] = msg.bcc || []

  msg.to = @recipients
  msg.cc = nil if msg.cc
  msg.bcc = nil if msg.bcc
end