Class: ReadabilityImporter::Importer

Inherits:
Object
  • Object
show all
Defined in:
lib/readability_importer/importer.rb

Constant Summary collapse

MAX_URLS_IN_MAIL = 
20.freeze

Instance Method Summary collapse

Constructor Details

#initialize(email_address, options = {}) ⇒ Importer

Returns a new instance of Importer.



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# File 'lib/readability_importer/importer.rb', line 8

def initialize(email_address, options = {})
  @email_address = email_address

  @from = options[:from] || "foo@bar"
  @max_concurrency = options[:max_concurrency] || 4
  @verbose = !!options[:verbose]
  @retry = !!options[:retry]

  @on_importing = options[:on_importing]
  @on_imported = options[:on_imported]
  @on_failed = options[:on_failed]
end

Instance Method Details

#import(urls) ⇒ Object 



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# File 'lib/readability_importer/importer.rb', line 21

def import(urls)
  urls_set = []
  urls.each_slice(MAX_URLS_IN_MAIL){|urls| urls_set << urls}

  EventMachine.run do
    iterator = EventMachine::Iterator.new(urls_set, @max_concurrency)
    iterator.each(proc do |urls, it|
      @on_importing.call(urls) if @on_importing
      EventMachine::Protocols::SmtpClient.send({
        :verbose => @verbose,
        :domain => domain,
        :host   => host,
        :from   => @from,
        :to     => @email_address,
        :header => {"From" => @from, "To" => @email_address},
        :body   => urls.join("\r\n")
      }).tap do |job|
        job.callback do
          @on_imported.call(urls) if @on_imported
          it.next
        end
        job.errback do |*args|
          @on_failed.call(urls) if @on_failed
          if @retry
            iterator.instance_variable_get(:@list).unshift(urls)
          end
          it.next
        end
      end
    end, proc do
      EventMachine.stop
    end)
  end
end