Class: Whistle::Resource

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Resource

Returns a new instance of Resource.



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# File 'lib/resource.rb', line 26

def initialize(url)
  @uri = returning URI.parse(url) do |u|
    @username, @password = u.user, u.password
    @username = CGI.unescape(@username) unless @username.blank? # Convert %40 in username to @ (gmail) 
    u.remove_userinfo!
  end
  @url = @uri.to_s
  @store = ($store[@url] ||= {})
  @type = (@store[:type] ||= guess_type) 
end

Instance Attribute Details

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/resource.rb', line 24

def url
  @url
end

Instance Method Details

#tail ⇒ Object 



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# File 'lib/resource.rb', line 37

def tail
  case @type
    when :svn
      revisions = []
      silence_stream(STDOUT) do # RSCM outputs everything to stdout?
        scm = returning RSCM::Subversion.new(@url) do |svn|
          svn.username, svn.password = @username, @password
        end
        since = @store[:last] || begin
          rs = scm.revisions(7.days.ago)
          diff_from = rs[rs.length-2]
          return if diff_from.nil? # There's no revision in last days to show updates since
          diff_from.identifier # Grab max last two
        end
        revisions = scm.revisions(since)
      end
      last_revision = revisions[revisions.length-1]
      @store[:last] = last_revision.identifier.to_i if last_revision
      revisions.map do |r| 
        message = "Revision #{r.identifier} commited by #{r.developer} #{Time.now.distance_in_words_since(r.time)} ago: "
        message << "\n"
        message << r.message.chomp.strip
        message << "\n"
        message << r.map {|f| " #{f.status[0,1]} #{f.path}" }.join("\n")
        message << "\n"
        message
      end
    when :feed
      f = FeedParser::Feed.new(open(@url,:http_basic_authentication => [@username,@password]).read)
      
      @store[:seen] ||= {}
      @store[:seen].delete_if {|link,date| date && (date < 1.month.ago) } # Purge seen hash remove items older than one month
      
      old, new = f.items.partition {|i| @store[:seen].has_key?(i.link) }
      new = new.first(5) if @store[:seen].empty? # Limit first tail to 5 entries
      
      # Mark all items as seen
      f.items.each { |i| @store[:seen][i.link] = i.date }
      
      return new.reverse.map do |i|
        safe_title = i.title.encode_entities(:basic)
        title = ''
        if @uri.host == 'mail.google.com'
          #title = "<span style=\"background:#ccccff; color: #000000;\">#{@username}</span>"
          title << "#{@username}: #{safe_title}"
        else
          title = safe_title
          title << " (#{i.creator})" if i.creator
        end  
        link = i.link.encode_entities(:basic) # xmpp4r had problems with unencoded &
        pre,post = title.split(/\:/,2)
        if post.nil?
          body = "#{title} <a href=\"#{link}\">#</a>"
        else
          body = "#{pre}: <a href=\"#{link}\">#{post.strip}</a>"
        end
        "<html><body>#{body}</body></html>"
      end
  end
end