Class: Twitterscrobble::TwitterScrobbler

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

Overview

Read the latest tracks of a user from last.fm and post them to Twitter.

Constant Summary collapse

TWITTER_SOURCE_PARAM = 
"twitterscrobble"

Instance Method Summary collapse

Constructor Details

#initialize(prefs) ⇒ TwitterScrobbler

Returns a new instance of TwitterScrobbler.



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# File 'lib/twitterscrobble/twitter_scrobbler.rb', line 11

def initialize(prefs)
    @prefs = prefs
    @logger = @prefs.logger
end

Instance Method Details

#update ⇒ Object 



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# File 'lib/twitterscrobble/twitter_scrobbler.rb', line 16

def update
    @logger.info("Reading recent tracks for #{@prefs.scrobbler_user}")
  
    # Order by date_uts so that we can rely on tracks being steady
    tracks = Scrobbler::User.new(@prefs.scrobbler_user).recent_tracks.sort{|x,y| x.date_uts <=> y.date_uts }
  
    if !@prefs.max.blank? && 0 < @prefs.max
        @logger.info("Limiting number of posted songs to #{@prefs.max}")
        tracks = tracks[@prefs.max * -1, @prefs.max]
    end
  
    # Filter already posted tracks
    tracks.reject!{|track|
        if track.date_uts.to_i <= @prefs.history.to_i
            @logger.info("Skipping #{track.artist} - #{track.name} because #{track.date_uts.to_i} <= #{@prefs.history.to_i}")
            true
        end
    }
  
    @logger.info("No new tracks since #{Time.at(@prefs.history.to_i).to_s}") if 0 == tracks.size
  
    tracks.each{|track|
        status = StatusLine.new(track)
  
        begin
            if @prefs.no_post
                puts status
            else
                @logger.info("Posting new status: '#{status}'")
                Twitter::Base.new(@prefs.twitter_user, @prefs.twitter_password).update(status, {:source => TWITTER_SOURCE_PARAM})
            end
  
            @prefs.history = track.date_uts.to_i
         rescue
            @logger.error("Error: #{$!}")
        end
    }
end