Class: Imap::Backup::Downloader

Inherits:
Object
  • Object
show all
Defined in:
lib/imap/backup/downloader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(folder, serializer) ⇒ Downloader

Returns a new instance of Downloader.



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# File 'lib/imap/backup/downloader.rb', line 6

def initialize(folder, serializer)
  @folder = folder
  @serializer = serializer
end

Instance Attribute Details

#folder ⇒ Object (readonly)

Returns the value of attribute folder.



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# File 'lib/imap/backup/downloader.rb', line 3

def folder
  @folder
end

#serializer ⇒ Object (readonly)

Returns the value of attribute serializer.



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# File 'lib/imap/backup/downloader.rb', line 4

def serializer
  @serializer
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/imap/backup/downloader.rb', line 11

def run
  uids = folder.uids - serializer.uids
  count = uids.count
  Imap::Backup.logger.debug "[#{folder.name}] #{count} new messages"
  uids.each.with_index do |uid, i|
    message = folder.fetch(uid)
    log_prefix = "[#{folder.name}] uid: #{uid} (#{i + 1}/#{count}) -"
    if message.nil?
      Imap::Backup.logger.debug("#{log_prefix} not available - skipped")
      next
    end
    Imap::Backup.logger.debug(
      "#{log_prefix} #{message['RFC822'].size} bytes"
    )
    serializer.save(uid, message)
  end
end