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'
22 @location = hash[:location]
23 @description = hash[:description]
24 @attendance = hash[:attendance]
26 @artists = hash[:artists]
28 if @artists.length > 10 #more than 10 artists and it floods
29 diff = @artists.length - 10
30 @artist_string = @artists[0..10].join(', ')
31 @artist_string << _(" and %{n} more...") % {:n => diff}
33 @artist_string = @artists.join(', ')
39 return "%s %s @ %s (%s attending) %s" % [@date.strftime("%a %b, %d %Y"), @artist_string, @location, @attendance, @url]
41 return "%s %s @ %s %s" % [@date.strftime("%a %b, %d %Y"), @artist_string, @location, @url]
43 alias :to_s :compact_display
47 class LastFmPlugin < Plugin
49 Config.register Config::IntegerValue.new('lastfm.max_events',
50 :default => 25, :validate => Proc.new{|v| v > 1},
51 :desc => "Maximum number of events to display.")
52 Config.register Config::IntegerValue.new('lastfm.default_events',
53 :default => 3, :validate => Proc.new{|v| v > 1},
54 :desc => "Default number of events to display.")
56 APIKEY = "b25b959554ed76058ac220b7b2e0a026"
57 APIURL = "http://ws.audioscrobbler.com/2.0/?api_key=#{APIKEY}&"
71 def help(plugin, topic="")
72 case (topic.intern rescue nil)
74 _("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']}
76 _("lastfm artist <name> => show information on artist <name> from last.fm")
78 _("lastfm album <name> => show information on album <name> from last.fm [not implemented yet]")
80 _("lastfm now [<user>] => show the now playing track from last.fm. np [<user>] does the same.")
82 _("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\".")
84 _("lastfm who [<nick>] => show who <nick> is at last.fm. if <nick> is empty, show who you are at lastfm.")
86 _("lastfm [<user>] => show your or <user>'s now playing track at lastfm. np [<user>] => same as 'lastfm'. other topics: events, artist, album, now, set, who")
90 def find_events(m, params)
91 num = params[:num] || @bot.config['lastfm.default_events']
92 num = num.to_i.clip(1, @bot.config['lastfm.max_events'])
94 location = artist = nil
95 location = params[:location].to_s if params[:location]
96 artist = params[:who].to_s if params[:who]
100 uri = URI.escape("#{APIURL}method=geo.getevents&location=#{location}")
102 uri = URI.escape("#{APIURL}method=artist.getevents&artist=#{artist}")
104 xml = @bot.httputil.get_response(uri)
106 doc = Document.new xml.body
107 if xml.class == Net::HTTPInternalServerError
108 if doc.root.attributes["status"] == "failed"
109 m.reply doc.root.elements["error"].text
111 m.reply _("Could not retrieve events")
114 disp_events = Array.new
116 doc.root.elements.each("events/event"){ |e|
118 h[:title] = e.elements["title"].text
119 venue = e.elements["venue"].elements["name"].text
120 city = e.elements["venue"].elements["location"].elements["city"].text
121 country = e.elements["venue"].elements["location"].elements["country"].text
122 h[:location] = Bold + venue + Bold + " #{city}, #{country}"
123 date = e.elements["startDate"].text.split
124 h[:date] = Time.utc(date[3].to_i, date[2], date[1].to_i)
125 h[:desc] = e.elements["description"].text
126 h[:url] = e.elements["url"].text
128 if node.kind_of? Element and node.attributes["name"] == "attendance" then
129 h[:attendance] = node.text
133 e.elements.each("artists/artist"){ |a|
136 h[:artists] = artists
137 events << LastFmEvent.new(h)
139 events[0...num].each { |event|
140 disp_events << event.to_s
142 m.reply disp_events.join(' | '), :split_at => /\s+\|\s+/
146 def tasteometer(m, params)
147 opts = { :cache => false }
148 user1 = params[:user1].to_s
149 user2 = params[:user2].to_s
150 xml = @bot.httputil.get_response("#{APIURL}method=tasteometer.compare&type1=user&type2=user&value1=#{user1}&value2=#{user2}", opts)
151 doc = Document.new xml.body
153 m.reply _("last.fm parsing failed")
156 if xml.class == Net::HTTPInternalServerError
157 if doc.root.elements["error"].attributes["code"] == "7" then
158 error = doc.root.elements["error"].text
159 error.match(/Invalid username: \[(.*)\]/);
160 if @registry.has_key? $1 and not params[:recurs]
162 params[:user1] = @registry[ $1 ]
164 params[:user2] = @registry[ $1 ]
166 params[:recurs] = true
167 tasteometer(m, params)
169 m.reply _("%{u} doesn't exist at last.fm. Perhaps you need to: lastfm set <username>") % {:u => baduser}
173 m.reply _("Bad: %{e}") % {:e => doc.root.element["error"].text}
177 now = artist = track = albumtxt = date = nil
178 score = doc.root.elements["comparison/result/score"].text.to_f
184 rating = _("Very High")
192 rating = _("Very Low")
194 m.reply _("%{a}'s and %{b}'s musical compatibility rating is: %{r}") % {:a => user1, :b => user2, :r => rating}
197 def now_playing(m, params)
198 opts = { :cache => false }
201 user = params[:who].to_s
202 elsif @registry.has_key? m.sourcenick
203 user = @registry[ m.sourcenick ]
207 xml = @bot.httputil.get_response("#{APIURL}method=user.getrecenttracks&user=#{user}", opts)
208 doc = Document.new xml.body
210 m.reply _("last.fm parsing failed")
213 if xml.class == Net::HTTPBadRequest
214 if doc.root.elements["error"].text == "Invalid user name supplied" then
215 if @registry.has_key? user and not params[:recurs]
216 params[:who] = @registry[ user ]
217 params[:recurs] = true
218 now_playing(m, params)
220 m.reply "#{user} doesn't exist at last.fm. Perhaps you need to: lastfm set <username>"
224 m.reply _("Error %{e}") % {:e => doc.root.element["error"].text}
228 now = artist = track = albumtxt = date = nil
229 unless doc.root.elements[1].has_elements?
230 m.reply _("%{u} hasn't played anything recently") % {:u => user}
233 first = doc.root.elements[1].elements[1]
234 now = first.attributes["nowplaying"]
235 artist = first.elements["artist"].text
236 track = first.elements["name"].text
237 albumtxt = first.elements["album"].text
240 year = get_album(artist, albumtxt)[2]
241 album = "[#{albumtxt}, #{year}] " if year
243 date = first.elements["date"].attributes["uts"]
244 past = Time.at(date.to_i)
246 verb = _("listening")
247 if @registry.has_key? "#{m.sourcenick}_verb_present"
248 verb = @registry["#{m.sourcenick}_verb_present"]
250 m.reply _("%{u} is %{v} to \"%{t}\" by %{a} %{b}") % {:u => user, :v => verb, :t => track, :a => artist, :b => album}
253 if @registry.has_key? "#{m.sourcenick}_verb_past"
254 verb = @registry["#{m.sourcenick}_verb_past"]
256 ago = Utils.timeago(past)
257 m.reply _("%{u} %{v} to \"%{t}\" by %{a} %{b}%{p}") % {:u => user, :v => verb, :t => track, :a => artist, :b => album, :p => ago}
261 def find_artist(m, params)
262 xml = @bot.httputil.get(URI.escape("#{APIURL}method=artist.getinfo&artist=#{params[:artist]}"))
264 m.reply _("I had problems getting info for %{a}.") % {:a => params[:artist]}
267 doc = Document.new xml
269 m.reply _("last.fm parsing failed")
272 first = doc.root.elements["artist"]
273 artist = first.elements["name"].text
274 playcount = first.elements["stats"].elements["plays"].text
275 listeners = first.elements["stats"].elements["listeners"].text
276 summary = first.elements["bio"].elements["summary"].text
277 m.reply _("\"%{a}\" has been played %{c} times and is being listened to by %{l} people.") % {:a => artist, :c => playcount, :l => listeners}
278 m.reply summary.strip
281 def get_album(artist, album)
282 xml = @bot.httputil.get(URI.escape("#{APIURL}method=album.getinfo&artist=#{artist}&album=#{album}"))
284 return [_("I had problems getting album info")]
286 doc = Document.new xml
288 return [_("last.fm parsing failed")]
290 album = date = playcount = artist = date = year = nil
291 first = doc.root.elements["album"]
292 artist = first.elements["artist"].text
293 playcount = first.elements["playcount"].text
294 album = first.elements["name"].text
295 date = first.elements["releasedate"].text
296 unless date.strip.length < 2
297 year = date.strip.split[2].chop
299 result = [artist, album, year, playcount]
303 def find_album(m, params)
304 album = get_album(params[:artist].to_s, params[:album].to_s)
306 m.reply _("I couldn't locate: \"%{a}\" by %{r}") % {:a => params[:album], :r => params[:artist]}
309 year = "(#{album[2]}) " unless album[2] == nil
310 m.reply _("The album \"%{a}\" by %{r} %{y}has been played %{c} times.") % {:a => album[1], :r => album[0], :y => year, :c => album[3]}
313 def set_user(m, params)
314 user = params[:who].to_s
316 @registry[ nick ] = user
317 m.reply _("Ok, I'll remember that %{n} is %{u} at last.fm") % {:n => nick, :u => user}
320 def set_verb(m, params)
321 past = params[:past].to_s
322 present = params[:present].to_s
323 key = "#{m.sourcenick}_verb_"
324 @registry[ "#{key}past" ] = past
325 @registry[ "#{key}present" ] = present
326 m.reply _("Ok, I'll remember that %{n} prefers %{r} and %{p}.") % {:n => m.sourcenick, :p => past, :r => present}
329 def get_user(m, params)
332 nick = params[:who].to_s
336 if @registry.has_key? nick
337 user = @registry[ nick ]
338 m.reply "#{nick} is #{user} at last.fm"
340 m.reply _("Sorry, I don't know who %{n} is at last.fm perhaps you need to: lastfm set <username>") % {:n => nick}
344 # TODO this user data retrieval should be upgraded to API 2.0 but it would need separate parsing
345 # for each dataset, or almost
346 def lastfm(m, params)
347 action = params[:action].intern
348 action = :neighbours if action == :neighbors
349 action = :recenttracks if action == :recentracks
350 action = :topalbums if action == :topalbum
351 action = :topartists if action == :topartist
352 action = :toptags if action == :toptag
354 if params[:user] then
355 user = params[:user].to_s
356 elsif @registry.has_key? m.sourcenick
357 user = @registry[ m.sourcenick ]
359 # m.reply "I don't know who you are on last.fm. Use 'lastfm set username' to identify yourself."
364 data = @bot.httputil.get("http://ws.audioscrobbler.com/1.0/user/#{user}/#{action}.txt")
365 m.reply "#{action} for #{user}:"
366 m.reply data.to_a[0..3].map{|l| l.split(',',2)[-1].chomp}.join(", ")
368 m.reply "could not find #{action} for #{user} (is #{user} a user?). perhaps you need to: lastfm set <username>"
373 plugin = LastFmPlugin.new
374 plugin.map 'lastfm [:num] event[s] in *location', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
375 plugin.map 'lastfm [:num] event[s] by *who', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
376 plugin.map 'lastfm [:num] event[s] [for] *who', :action => :find_events, :requirements => { :num => /\d+/ }, :thread => true
377 plugin.map 'lastfm now :who', :action => :now_playing, :thread => true
378 plugin.map 'lastfm now', :action => :now_playing, :thread => true
379 plugin.map 'np :who', :action => :now_playing, :thread => true
380 plugin.map 'lastfm artist *artist', :action => :find_artist, :thread => true
381 plugin.map 'lastfm album *album [by *artist]', :action => :find_album
382 plugin.map 'lastfm set nick :who', :action => :set_user, :thread => true
383 plugin.map 'lastfm set verb :present :past', :action => :set_verb, :thread => true
384 plugin.map 'lastfm who :who', :action => :get_user, :thread => true
385 plugin.map 'lastfm who', :action => :get_user, :thread => true
386 plugin.map 'lastfm compare :user1 :user2', :action => :tasteometer, :thread => true
387 plugin.map 'np', :action => :now_playing, :thread => true
388 plugin.map 'lastfm', :action => :now_playing, :thread => true
389 plugin.map "lastfm [user] :action [:user]", :thread => true,
390 :requirements => { :action =>
391 /^(?:events|friends|neighbou?rs|playlists|recent?tracks|top(?:album|artist|tag)s?|weekly(?:album|artist|track)chart|weeklychartlist)$/