4 # :title: lastfm plugin for rbot
6 # Author:: Jeremy Voorhis
7 # Author:: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
8 # Author:: Casey Link <unnamedrambler@gmail.com>
10 # Copyright:: (C) 2005 Jeremy Voorhis
11 # Copyright:: (C) 2007 Giuseppe Bilotta
12 # Copyright:: (C) 2008 Casey Link
16 require 'rexml/document'
23 @location = hash[:location]
24 @description = hash[:description]
25 @attendance = hash[:attendance]
27 @artists = hash[:artists]
29 if @artists.length > 10 #more than 10 artists and it floods
30 diff = @artists.length - 10
31 @artist_string = @artists[0..10].join(', ')
32 @artist_string << _(" and %{n} more...") % {:n => diff}
34 @artist_string = @artists.join(', ')
40 return "%s %s @ %s (%s attending) %s" % [@date.strftime("%a %b, %d %Y"), @artist_string, @location, @attendance, @url]
42 return "%s %s @ %s %s" % [@date.strftime("%a %b, %d %Y"), @artist_string, @location, @url]
44 alias :to_s :compact_display
48 class LastFmPlugin < Plugin
50 Config.register Config::IntegerValue.new('lastfm.max_events',
51 :default => 25, :validate => Proc.new{|v| v > 1},
52 :desc => "Maximum number of events to display.")
53 Config.register Config::IntegerValue.new('lastfm.default_events',
54 :default => 3, :validate => Proc.new{|v| v > 1},
55 :desc => "Default number of events to display.")
57 APIKEY = "b25b959554ed76058ac220b7b2e0a026"
58 APIURL = "http://ws.audioscrobbler.com/2.0/?api_key=#{APIKEY}&"
72 def help(plugin, topic="")
73 case (topic.intern rescue nil)
75 _("lastfm [<num>] events in <location> => show information on events in or near <location>. lastfm [<num>] events by <artist/group> => show information on events by <artist/group>. The number of events <num> that can be displayed is optional, defaults to %{d} and cannot be higher than %{m}") % {:d => @bot.config['lastfm.default_events'], :m => @bot.config['lastfm.max_events']}
77 _("lastfm artist <name> => show information on artist <name> from last.fm")
79 _("lastfm album <name> => show information on album <name> from last.fm [not implemented yet]")
81 _("lastfm track <name> => search tracks matching <name> on last.fm")
83 _("lastfm now [<user>] => show the now playing track from last.fm. np [<user>] does the same.")
85 _("lastfm set nick <user> => associate your current irc nick with a last.fm user. lastfm set verb <present> <past> => set your preferred now playing verb. default \"listening\" and \"listened\".")
87 _("lastfm who [<nick>] => show who <nick> is at last.fm. if <nick> is empty, show who you are at lastfm.")
89 _("lastfm [<user>] => show your or <user>'s now playing track at lastfm. np [<user>] => same as 'lastfm'. other topics: events, artist, album, track, now, set, who")
93 def find_events(m, params)
94 num = params[:num] || @bot.config['lastfm.default_events']
95 num = num.to_i.clip(1, @bot.config['lastfm.max_events'])
97 location = artist = nil
98 location = params[:location].to_s if params[:location]
99 artist = params[:who].to_s if params[:who]
103 uri = "#{APIURL}method=geo.getevents&location=#{CGI.escape location}"
105 uri = "#{APIURL}method=artist.getevents&artist=#{CGI.escape artist}"
107 xml = @bot.httputil.get_response(uri)
109 doc = Document.new xml.body
110 if xml.class == Net::HTTPInternalServerError
111 if doc.root.attributes["status"] == "failed"
112 m.reply doc.root.elements["error"].text
114 m.reply _("Could not retrieve events")
117 disp_events = Array.new
119 doc.root.elements.each("events/event"){ |e|
121 h[:title] = e.elements["title"].text
122 venue = e.elements["venue"].elements["name"].text
123 city = e.elements["venue"].elements["location"].elements["city"].text
124 country = e.elements["venue"].elements["location"].elements["country"].text
125 h[:location] = Bold + venue + Bold + " #{city}, #{country}"
126 date = e.elements["startDate"].text.split
127 h[:date] = Time.utc(date[3].to_i, date[2], date[1].to_i)
128 h[:desc] = e.elements["description"].text
129 h[:url] = e.elements["url"].text
131 if node.kind_of? Element and node.attributes["name"] == "attendance" then
132 h[:attendance] = node.text
136 e.elements.each("artists/artist"){ |a|
139 h[:artists] = artists
140 events << LastFmEvent.new(h)
142 events[0...num].each { |event|
143 disp_events << event.to_s
145 m.reply disp_events.join(' | '), :split_at => /\s+\|\s+/
149 def tasteometer(m, params)
150 opts = { :cache => false }
151 user1 = params[:user1].to_s
152 user2 = params[:user2].to_s
153 xml = @bot.httputil.get_response("#{APIURL}method=tasteometer.compare&type1=user&type2=user&value1=#{CGI.escape user1}&value2=#{CGI.escape user2}", opts)
154 doc = Document.new xml.body
156 m.reply _("last.fm parsing failed")
159 if xml.class == Net::HTTPInternalServerError
160 if doc.root.elements["error"].attributes["code"] == "7" then
161 error = doc.root.elements["error"].text
162 error.match(/Invalid username: \[(.*)\]/);
163 if @registry.has_key? $1 and not params[:recurs]
165 params[:user1] = @registry[ $1 ]
167 params[:user2] = @registry[ $1 ]
169 params[:recurs] = true
170 tasteometer(m, params)
172 m.reply _("%{u} doesn't exist at last.fm. Perhaps you need to: lastfm set <username>") % {:u => baduser}
176 m.reply _("Bad: %{e}") % {:e => doc.root.element["error"].text}
180 now = artist = track = albumtxt = date = nil
181 score = doc.root.elements["comparison/result/score"].text.to_f
187 rating = _("Very High")
195 rating = _("Very Low")
197 m.reply _("%{a}'s and %{b}'s musical compatibility rating is: %{r}") % {:a => user1, :b => user2, :r => rating}
200 def now_playing(m, params)
201 opts = { :cache => false }
204 user = params[:who].to_s
205 elsif @registry.has_key? m.sourcenick
206 user = @registry[ m.sourcenick ]
210 xml = @bot.httputil.get_response("#{APIURL}method=user.getrecenttracks&user=#{CGI.escape user}", opts)
211 doc = Document.new xml.body
213 m.reply _("last.fm parsing failed")
216 if xml.class == Net::HTTPBadRequest
217 if doc.root.elements["error"].text == "Invalid user name supplied" then
218 if @registry.has_key? user and not params[:recurs]
219 params[:who] = @registry[ user ]
220 params[:recurs] = true
221 now_playing(m, params)
223 m.reply "#{user} doesn't exist at last.fm. Perhaps you need to: lastfm set <username>"
227 m.reply _("Error %{e}") % {:e => doc.root.element["error"].text}
231 now = artist = track = albumtxt = date = nil
232 unless doc.root.elements[1].has_elements?
233 m.reply _("%{u} hasn't played anything recently") % {:u => user}
236 first = doc.root.elements[1].elements[1]
237 now = first.attributes["nowplaying"]
238 artist = first.elements["artist"].text
239 track = first.elements["name"].text
240 albumtxt = first.elements["album"].text
243 year = get_album(artist, albumtxt)[2]
244 album = "[#{albumtxt}, #{year}] " if year
246 date = first.elements["date"].attributes["uts"]
247 past = Time.at(date.to_i)
249 verb = _("listening")
250 if @registry.has_key? "#{m.sourcenick}_verb_present"
251 verb = @registry["#{m.sourcenick}_verb_present"]
253 m.reply _("%{u} is %{v} to \"%{t}\" by %{a} %{b}") % {:u => user, :v => verb, :t => track, :a => artist, :b => album}
256 if @registry.has_key? "#{m.sourcenick}_verb_past"
257 verb = @registry["#{m.sourcenick}_verb_past"]
259 ago = Utils.timeago(past)
260 m.reply _("%{u} %{v} to \"%{t}\" by %{a} %{b}%{p}") % {:u => user, :v => verb, :t => track, :a => artist, :b => album, :p => ago}
264 def find_artist(m, params)
265 xml = @bot.httputil.get("#{APIURL}method=artist.getinfo&artist=#{CGI.escape params[:artist].to_s}")
267 m.reply _("I had problems getting info for %{a}.") % {:a => params[:artist]}
270 doc = Document.new xml
272 m.reply _("last.fm parsing failed")
275 first = doc.root.elements["artist"]
276 artist = first.elements["name"].text
277 playcount = first.elements["stats"].elements["plays"].text
278 listeners = first.elements["stats"].elements["listeners"].text
279 summary = first.elements["bio"].elements["summary"].text
280 m.reply _("%{b}%{a}%{b} has been played %{c} times and is being listened to by %{l} people.") % {:b => Bold, :a => artist, :c => playcount, :l => listeners}
281 m.reply summary.ircify_html
284 def find_track(m, params)
285 track = params[:track].to_s
286 xml = @bot.httputil.get("#{APIURL}method=track.search&track=#{CGI.escape track}")
288 m.reply _("I had problems getting info for %{a}.") % {:a => track}
292 doc = Document.new xml
294 m.reply _("last.fm parsing failed")
298 results = doc.root.elements["results/opensearch:totalResults"].text.to_i rescue 0
302 doc.root.each_element("results/trackmatches/track") do |track|
303 hits << _("%{bold}%{t}%{bold} by %{bold}%{a}%{bold} (%{n} listeners)") % {
304 :t => track.elements["name"].text,
305 :a => track.elements["artist"].text,
306 :n => track.elements["listeners"].text,
310 m.reply hits.join(' -- '), :split_at => ' -- '
313 m.reply _("last.fm parsing failed")
316 m.reply _("track %{a} not found") % {:a => track}
320 def get_album(artist, album)
321 xml = @bot.httputil.get("#{APIURL}method=album.getinfo&artist=#{CGI.escape artist}&album=#{CGI.escape album}")
323 return [_("I had problems getting album info")]
325 doc = Document.new xml
327 return [_("last.fm parsing failed")]
329 album = date = playcount = artist = date = year = nil
330 first = doc.root.elements["album"]
331 artist = first.elements["artist"].text
332 playcount = first.elements["playcount"].text
333 album = first.elements["name"].text
334 date = first.elements["releasedate"].text
335 unless date.strip.length < 2
336 year = date.strip.split[2].chop
338 result = [artist, album, year, playcount]
342 def find_album(m, params)
343 album = get_album(params[:artist].to_s, params[:album].to_s)
345 m.reply _("I couldn't locate: \"%{a}\" by %{r}") % {:a => params[:album], :r => params[:artist]}
348 year = "(#{album[2]}) " unless album[2] == nil
349 m.reply _("The album \"%{a}\" by %{r} %{y}has been played %{c} times.") % {:a => album[1], :r => album[0], :y => year, :c => album[3]}
352 def set_user(m, params)
353 user = params[:who].to_s
355 @registry[ nick ] = user
356 m.reply _("Ok, I'll remember that %{n} is %{u} at last.fm") % {:n => nick, :u => user}
359 def set_verb(m, params)
360 past = params[:past].to_s
361 present = params[:present].to_s
362 key = "#{m.sourcenick}_verb_"
363 @registry[ "#{key}past" ] = past
364 @registry[ "#{key}present" ] = present
365 m.reply _("Ok, I'll remember that %{n} prefers %{r} and %{p}.") % {:n => m.sourcenick, :p => past, :r => present}
368 def get_user(m, params)
371 nick = params[:who].to_s
375 if @registry.has_key? nick
376 user = @registry[ nick ]
377 m.reply "#{nick} is #{user} at last.fm"
379 m.reply _("Sorry, I don't know who %{n} is at last.fm perhaps you need to: lastfm set <username>") % {:n => nick}
383 # TODO this user data retrieval should be upgraded to API 2.0 but it would need separate parsing
384 # for each dataset, or almost
385 def lastfm(m, params)
386 action = params[:action].intern
387 action = :neighbours if action == :neighbors
388 action = :recenttracks if action == :recentracks
389 action = :topalbums if action == :topalbum
390 action = :topartists if action == :topartist
391 action = :toptags if action == :toptag
393 if params[:user] then
394 user = params[:user].to_s
395 elsif @registry.has_key? m.sourcenick
396 user = @registry[ m.sourcenick ]
398 # m.reply "I don't know who you are on last.fm. Use 'lastfm set username' to identify yourself."
403 data = @bot.httputil.get("http://ws.audioscrobbler.com/1.0/user/#{user}/#{action}.txt")
404 m.reply "#{action} for #{user}:"
405 m.reply data.to_a[0..3].map{|l| l.split(',',2)[-1].chomp}.join(", ")
407 m.reply "could not find #{action} for #{user} (is #{user} a user?). perhaps you need to: lastfm set <username>"
412 plugin = LastFmPlugin.new
413 plugin.map 'lastfm [:num] event[s] in *location', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
414 plugin.map 'lastfm [:num] event[s] by *who', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
415 plugin.map 'lastfm [:num] event[s] [for] *who', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
416 plugin.map 'lastfm now :who', :action => :now_playing, :thread => true
417 plugin.map 'lastfm now', :action => :now_playing, :thread => true
418 plugin.map 'np :who', :action => :now_playing, :thread => true
419 plugin.map 'lastfm artist *artist', :action => :find_artist, :thread => true
420 plugin.map 'lastfm album *album [by *artist]', :action => :find_album
421 plugin.map 'lastfm track *track', :action => :find_track, :thread => true
422 plugin.map 'lastfm set nick :who', :action => :set_user, :thread => true
423 plugin.map 'lastfm set verb :present :past', :action => :set_verb, :thread => true
424 plugin.map 'lastfm who :who', :action => :get_user, :thread => true
425 plugin.map 'lastfm who', :action => :get_user, :thread => true
426 plugin.map 'lastfm compare :user1 :user2', :action => :tasteometer, :thread => true
427 plugin.map 'np', :action => :now_playing, :thread => true
428 plugin.map 'lastfm', :action => :now_playing, :thread => true
429 plugin.map "lastfm [user] :action [:user]", :thread => true,
430 :requirements => { :action =>
431 /^(?:events|friends|neighbou?rs|playlists|recent?tracks|top(?:album|artist|tag)s?|weekly(?:album|artist|track)chart|weeklychartlist)$/