mv lib to app/lib due to upgrade

app/lib/foodsoft_mail_receiver.rb

@@ -0,0 +1,58 @@
+require 'mail'
+require 'midi-smtp-server'
+
+class FoodsoftMailReceiver < MidiSmtpServer::Smtpd
+  @@registered_classes = Set.new
+
+  def self.register(klass)
+    @@registered_classes.add klass
+  end
+
+  def self.received(recipient, data)
+    find_handler(recipient).call(data)
+  end
+
+  def start
+    super
+    @handlers = []
+  end
+
+  private
+
+  def on_rcpt_to_event(_ctx, rcpt_to)
+    recipient = rcpt_to.gsub(/^\s*<\s*(.*)\s*>\s*$/, '\1')
+    @handlers << self.class.find_handler(recipient)
+    rcpt_to
+  rescue => error
+    logger.info("Can not accept mail for '#{rcpt_to}': #{error}")
+    raise MidiSmtpServer::Smtpd550Exception
+  end
+
+  def on_message_data_event(ctx)
+    @handlers.each do |handler|
+      handler.call(ctx[:message][:data])
+    end
+  rescue => error
+    ExceptionNotifier.notify_exception(error, data: ctx)
+    raise error
+  ensure
+    @handlers.clear
+  end
+
+  def self.find_handler(recipient)
+    m = /(?<foodcoop>[^@.]+)\.(?<address>[^@]+)(@(?<hostname>[^@]+))?/.match recipient
+    raise "recipient is missing or has an invalid format" if m.nil?
+    raise "Foodcoop '#{m[:foodcoop]}' could not be found" unless FoodsoftConfig.allowed_foodcoop? m[:foodcoop]
+
+    FoodsoftConfig.select_multifoodcoop m[:foodcoop]
+
+    @@registered_classes.each do |klass|
+      if match = klass.regexp.match(m[:address])
+        handler = klass.new match
+        return ->(data) { handler.received(data) }
+      end
+    end
+
+    raise "invalid format for recipient"
+  end
+end