Class: Goatless::FriendFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/goatless/friend_fetcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(friend_url, username, password) ⇒ FriendFetcher

Returns a new instance of FriendFetcher.



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# File 'lib/goatless/friend_fetcher.rb', line 6

def initialize(friend_url, username, password)
  if Goatless.options[:verbose]
    puts "Processing feed: #{friend_url}"
  end
  @friend_url = friend_url
  @username = username
  @password = password
end

Instance Attribute Details

#friend_url ⇒ Object

Returns the value of attribute friend_url.



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# File 'lib/goatless/friend_fetcher.rb', line 4

def friend_url
  @friend_url
end

#items ⇒ Object

Returns the value of attribute items.



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# File 'lib/goatless/friend_fetcher.rb', line 4

def items
  @items
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/goatless/friend_fetcher.rb', line 4

def password
  @password
end

#username ⇒ Object

Returns the value of attribute username.



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# File 'lib/goatless/friend_fetcher.rb', line 4

def username
  @username
end

Instance Method Details

#fetch ⇒ Object 



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# File 'lib/goatless/friend_fetcher.rb', line 15

def fetch
  @patron_session = Patron::Session.new
  @patron_session.username = @username
  @patron_session.password = @password
  @patron_session.timeout  = 10
  @patron_session.connect_timeout = 30000
  @patron_session.auth_type = :digest
  @items = []
  xml = @patron_session.get("#{@friend_url}?auth=digest").body
  parse(xml)
end

#parse(xml) ⇒ Object 



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# File 'lib/goatless/friend_fetcher.rb', line 27

def parse(xml)
  xml_doc = Nokogiri::XML::Reader(xml)
  @storage = PStore.new('goatless.pstore') # Hope this can decrease memory usage

  max_items = 50 # Move this to the CLI flag or config
  current_item = nil
  current_author = nil

  xml_doc.each do |node|
    next if max_items == 0
    case node.name
    when 'lj:journal'
      current_author = node.inner_xml if current_author.nil?
    when 'item'
      if current_item.nil?
        current_item = RssItem.new
      else
        current_item.author = current_author
        if current_item.pub_date > (DateTime.now - 7) # do not add items older then week
          @storage.transaction do
            @storage[:items] ||= Array.new
            unless @storage[:items].include? current_item
              @storage[:items] << current_item
              @storage.commit
            end
          end
        end
        current_item = nil
        max_items -= 1
      end
    when 'link'
      unless current_item.nil?
        current_item.permalink = node.inner_xml if current_item.permalink.nil?
      end
    when 'pubDate'
      current_item.pub_date = DateTime.parse(node.inner_xml) if current_item.pub_date.nil?
    when 'description'
      unless current_item.nil?
        if current_item.body.nil?
          current_item.body = node.inner_xml
        end
      end
    when 'lj:security'
      current_item.security_type = node.inner_xml if current_item.security_type.nil?
    when 'title'
      unless current_item.nil?
        current_item.title = node.inner_xml if current_item.title.nil?
      end
    end
  end
end