summaryrefslogtreecommitdiff
path: root/data/rbot/plugins/factoids.rb
blob: 5b5e2b7204f7bea44d388268a80a897b21ed5411 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
#-- vim:sw=2:et
#++
#
# :title: Factoids pluing
#
# Author:: Giuseppe "Oblomov" Bilotta <giuseppe.bilotta@gmail.com>
# Copyright:: (C) 2007 Giuseppe Bilotta
# License:: GPLv2
#
# Store (and retrieve) unstructured one-sentence factoids

class FactoidsPlugin < Plugin

  class Factoid
    def initialize(hash)
      @hash = hash.reject { |k, val| val.nil? or val.empty? rescue false }
      raise ArgumentError, "no fact!" unless @hash[:fact]
      if String === @hash[:when]
        @hash[:when] = Time.parse @hash[:when]
      end
    end

    def to_s(opts={})
      show_meta = opts[:meta]
      fact = @hash[:fact]
      if !show_meta
        return fact
      end
      meta = ""
      metadata = []
      if @hash[:who]
        metadata << _("from %{who}" % @hash)
      end
      if @hash[:when]
        metadata << _("on %{when}" % @hash)
      end
      if @hash[:where]
        metadata << _("in %{where}" % @hash)
      end
      unless metadata.empty?
        meta << _(" [%{data}]" % {:data => metadata.join(" ")})
      end
      return fact+meta
    end

    def [](*args)
      @hash[*args]
    end

    def []=(*args)
      @hash.send(:[]=,*args)
    end

    def to_hsh
      return @hash
    end
    alias :to_hash :to_hsh
  end

  class FactoidList < ArrayOf
    def initialize(ar=[])
      super(Factoid, ar)
    end

    def index(f)
      fact = f.to_s
      return if fact.empty?
      self.map { |f| f[:fact] }.index(fact)
    end

    def delete(f)
      idx = index(f)
      return unless idx
      self.delete_at(idx)
    end

    def grep(x)
      self.find_all { |f|
        x === f[:fact]
      }
    end
  end

  # TODO default should be language-specific
  Config.register Config::ArrayValue.new('factoids.trigger_pattern',
    :default => [
      "(this|that|a|the|an|all|both)\\s+(.*)\\s+(is|are|has|have|does|do)\\s+.*:2",
      "(this|that|a|the|an|all|both)\\s+(.*?)\\s+(is|are|has|have|does|do)\\s+.*:2",
      "(.*)\\s+(is|are|has|have|does|do)\\s+.*",
      "(.*?)\\s+(is|are|has|have|does|do)\\s+.*",
    ],
    :on_change => Proc.new { |bot, v| bot.plugins['factoids'].reset_triggers },
    :desc => "A list of regular expressions matching factoids where keywords can be identified. append ':n' if the keyword is defined by the n-th group instead of the first. if the list is empty, any word will be considered a keyword")
  Config.register Config::ArrayValue.new('factoids.not_triggers',
    :default => [
      "this","that","the","a","right","who","what","why"
    ],
    :on_change => Proc.new { |bot, v| bot.plugins['factoids'].reset_triggers },
    :desc => "A list of words that won't be set as keywords")
  Config.register Config::BooleanValue.new('factoids.address',
    :default => true,
    :desc => "Should the bot reply with relevant factoids only when addressed with a direct question? If not, the bot will attempt to lookup foo if someone says 'foo?' in channel")
  Config.register Config::ArrayValue.new('factoids.learn_pattern',
    :default => [
      ".*\\s+(is|are|has|have)\\s+.*"
    ],
    :on_change => Proc.new { |bot, v| bot.plugins['factoids'].reset_learn_patterns },
    :desc => "A list of regular expressions matching factoids that the bot can learn. append ':n' if the factoid is defined by the n-th group instead of the whole match.")
  Config.register Config::BooleanValue.new('factoids.listen_and_learn',
    :default => false,
    :desc => "Should the bot learn factoids from what is being said in chat? if true, phrases matching patterns in factoids.learn_pattern will tell the bot when a phrase can be learned")
  Config.register Config::BooleanValue.new('factoids.silent_listen_and_learn',
    :default => true,
    :desc => "Should the bot be silent about the factoids he learns from the chat? If true, the bot will not declare what he learned every time he learns something from factoids.listen_and_learn being true")
  Config.register Config::IntegerValue.new('factoids.search_results',
    :default => 5,
    :desc => "How many factoids to display at a time")

  def initialize
    super

    # TODO config
    @dir = datafile
    @filename = "factoids.rbot"
    @factoids = FactoidList.new
    @triggers = Set.new
    @learn_patterns = []
    reset_learn_patterns
    begin
      read_factfile
    rescue
      debug $!
    end
    @changed = false
  end

  def read_factfile(name=@filename,dir=@dir)
    fname = File.join(dir,name)

    expf = File.expand_path(fname)
    expd = File.expand_path(dir)
    raise ArgumentError, _("%{name} (%{fname}) must be under %{dir}" % {
      :name => name,
      :fname => expf,
      :dir => dir
    }) unless expf.index(expd) == 0

    if File.exist?(fname)
      raise ArgumentError, _("%{name} is not a file" % {
        :name => name
      }) unless File.file?(fname)
      factoids = File.readlines(fname)
      return if factoids.empty?
      firstline = factoids.shift
      pattern = firstline.chomp.split(" | ")
      if pattern.length == 1 and pattern.first != "fact"
        factoids.unshift(firstline)
        factoids.each { |f|
          @factoids << Factoid.new( :fact => f.chomp )
        }
      else
        pattern.map! { |p| p.intern }
        raise ArgumentError, _("fact must be the last field") unless pattern.last == :fact
        factoids.each { |f|
          ar = f.chomp.split(" | ", pattern.length)
          @factoids << Factoid.new(Hash[*([pattern, ar].transpose.flatten)])
        }
      end
    else
      raise ArgumentError, _("%{name} (%{fname}) doesn't exist" % {
        :name => name,
        :fname => fname
      })
    end
    reset_triggers
  end

  def save
    return unless @changed
    Dir.mkdir(@dir) unless FileTest.directory?(@dir)
    fname = File.join(@dir,@filename)
    ar = ["when | who | where | fact"]
    @factoids.each { |f|
      ar << "%s | %s | %s | %s" % [ f[:when], f[:who], f[:where], f[:fact]]
    }
    Utils.safe_save(fname) do |file|
      file.puts ar
    end
    @changed = false
  end

  def trigger_patterns_to_rx
    return [] if @bot.config['factoids.trigger_pattern'].empty?
    @bot.config['factoids.trigger_pattern'].inject([]) { |list, str|
      s = str.dup
      if s =~ /:(\d+)$/
        idx = $1.to_i
        s.sub!(/:\d+$/,'')
      else
        idx = 1
      end
      list << [/^#{s}$/iu, idx]
    }
  end

  def learn_patterns_to_rx
    return [] if @bot.config['factoids.learn_pattern'].empty?
    @bot.config['factoids.learn_pattern'].inject([]) { |list, str|
      s = str.dup
      if s =~ /:(\d+)$/
        idx = $1.to_i
        s.sub!(/:\d+$/,'')
      else
        idx = 0
      end
      list << [/^#{s}$/iu, idx]
    }
  end

  def parse_for_trigger(f, rx=nil)
    if !rx
      regs = trigger_patterns_to_rx
    else
      regs = rx
    end
    if regs.empty?
      f.to_s.scan(/\w+/u)
    else
      regs.inject([]) { |list, a|
        r = a.first
        i = a.last
        m = r.match(f.to_s)
        if m
          list << m[i].downcase
        else
          list
        end
      }
    end
  end

  def reset_triggers
    return unless @factoids
    start_time = Time.now
    rx = trigger_patterns_to_rx
    triggers = @factoids.inject(Set.new) { |set, f|
      found = parse_for_trigger(f, rx)
      if found.empty?
        set
      else
        set | found
      end
    }
    debug "Triggers done in #{Time.now - start_time}"
    @triggers.replace(triggers - @bot.config['factoids.not_triggers'])
  end

  def reset_learn_patterns
    @learn_patterns.replace(learn_patterns_to_rx)
  end

  def help(plugin, topic="")
    _("factoids plugin: learn that <factoid>, forget that <factoids>, facts about <words>")
  end

  def learn(m, params)
    factoid = Factoid.new(
      :fact => params[:stuff].to_s,
      :when => Time.now,
      :who => m.source.fullform,
      :where => m.channel.to_s
    )
    if idx = @factoids.index(factoid)
      m.reply _("I already know that %{factoid} [#%{idx}]" % {
        :factoid => factoid,
        :idx => idx
      }) unless params[:silent]
    else
      @factoids << factoid
      @changed = true
      m.reply _("okay, learned fact #%{num}: %{fact}" % { :num => @factoids.length, :fact => @factoids.last}) unless params[:silent]
      trigs = parse_for_trigger(factoid)
      @triggers |= trigs unless trigs.empty?
    end
  end

  def forget(m, params)
    if params[:index]
      idx = params[:index].scan(/\d+/).first.to_i
      total = @factoids.length
      if idx <= 0 or idx > total
        m.reply _("please select a fact number between 1 and %{total}" % { :total => total })
        return
      end
      if factoid = @factoids.delete_at(idx-1)
        m.reply _("I forgot that %{factoid}" % { :factoid => factoid })
        @changed = true
      else
        m.reply _("I couldn't delete factoid %{idx}" % { :idx => idx })
      end
    else
      factoid = params[:stuff].to_s
      if @factoids.delete(factoid)
        @changed = true
        m.okay
      else
        m.reply _("I didn't know that %{factoid}" % { :factoid => factoid })
      end
    end
  end

  def short_fact(fact,index=nil,total=@factoids.length)
    idx = index || @factoids.index(fact)+1
    _("[%{idx}/%{total}] %{fact}" % {
      :idx => idx,
      :total => total,
      :fact => fact.to_s(:meta => false)
    })
  end

  def long_fact(fact,index=nil,total=@factoids.length)
    idx = index || @factoids.index(fact)+1
    _("fact #%{idx} of %{total}: %{fact}" % {
      :idx => idx,
      :total => total,
      :fact => fact.to_s(:meta => true)
    })
  end

  def words2rx(words)
    # When looking for words we separate them with
    # arbitrary whitespace, not whatever they came with
    pre = words.map { |w| Regexp.escape(w)}.join("\\s+")
    pre << '\b' if pre.match(/\b$/)
    pre = '\b' + pre if pre.match(/^\b/)
    return Regexp.new(pre, true)
  end

  def facts(m, params)
    total = @factoids.length
    if params[:words].nil_or_empty? and params[:rx].nil_or_empty?
      m.reply _("I know %{total} facts" % { :total => total })
    else
      if params[:words].empty?
        rx = Regexp.new(params[:rx].to_s, true)
      else
        rx = words2rx(params[:words])
      end
      known = @factoids.grep(rx)
      reply = []
      if known.empty?
        reply << _("I know nothing about %{words}" % params)
      else
        max_facts = @bot.config['factoids.search_results']
        len = known.length
        if len > max_facts
          m.reply _("%{len} out of %{total} facts refer to %{words}, I'll only show %{max}" % {
            :len => len,
            :total => total,
            :words => params[:words].to_s,
            :max => max_facts
          })
          while known.length > max_facts
            known.delete_one
          end
        end
        known.each { |f|
          reply << short_fact(f)
        }
      end
      m.reply reply.join(". "), :split_at => /\[\d+\/\d+\] /, :purge_split => false
    end
  end

  def unreplied(m)
    if m.message =~ /^(.*)\?\s*$/
      return if @bot.config['factoids.address'] and !m.address?
      return if @factoids.empty?
      return if @triggers.empty?
      query = $1.strip.downcase
      if @triggers.include?(query)
        words = query.split
        words.instance_variable_set(:@string_value, query)
        def words.to_s
          @string_value
        end
        facts(m, :words => words)
      end
    else
      return if m.address? # we don't learn stuff directed at us which is not an explicit learn command
      return if !@bot.config['factoids.listen_and_learn'] or @learn_patterns.empty?
      @learn_patterns.each do |pat, i|
        g = pat.match(m.message)
        if g and g[i]
          learn(m, :stuff => g[i], :silent => @bot.config['factoids.silent_listen_and_learn'])
          break
        end
      end
    end
  end

  def fact(m, params)
    fact = nil
    idx = 0
    total = @factoids.length
    if params[:index]
      idx = params[:index].scan(/\d+/).first.to_i
      if idx <= 0 or idx > total
        m.reply _("please select a fact number between 1 and %{total}" % { :total => total })
        return
      end
      fact = @factoids[idx-1]
    else
      known = nil
      if params[:words].empty?
        if @factoids.empty?
          m.reply _("I know nothing")
          return
        end
        known = @factoids
      else
        rx = words2rx(params[:words])
        known = @factoids.grep(rx)
        if known.empty?
          m.reply _("I know nothing about %{words}" % params)
          return
        end
      end
      fact = known.pick_one
      idx = @factoids.index(fact)+1
    end
    m.reply long_fact(fact, idx, total)
  end

  def edit_fact(m, params)
    fact = nil
    idx = 0
    total = @factoids.length
    idx = params[:index].scan(/\d+/).first.to_i
    if idx <= 0 or idx > total
      m.reply _("please select a fact number between 1 and %{total}" % { :total => total })
      return
    end
    fact = @factoids[idx-1]
    begin
      if params[:who]
        who = params[:who].to_s.sub(/^me$/, m.source.fullform)
        fact[:who] = who
        @changed = true
      end
      if params[:when]
        dstr = params[:when].to_s
        begin
          fact[:when] = Time.parse(dstr, "")
          @changed = true
        rescue
          raise ArgumentError, _("not a date '%{dstr}'" % { :dstr => dstr })
        end
      end
      if params[:where]
        fact[:where] = params[:where].to_s
        @changed = true
      end
    rescue Exception
      m.reply _("couldn't change learn data for fact %{fact}: %{err}" % {
        :fact => fact,
        :err => $!
      })
      return
    end
    m.okay
  end

  def import(m, params)
    fname = params[:filename].to_s
    oldlen = @factoids.length
    begin
      read_factfile(fname)
    rescue
      m.reply _("failed to import facts from %{fname}: %{err}" % {
        :fname => fname,
        :err => $!
      })
    end
    m.reply _("%{len} facts loaded from %{fname}" % {
      :fname => fname,
      :len => @factoids.length - oldlen
    })
    @changed = true
  end

end

plugin = FactoidsPlugin.new

plugin.default_auth('edit', false)
plugin.default_auth('import', false)

plugin.map 'learn that *stuff'
plugin.map 'forget that *stuff', :auth_path => 'edit'
plugin.map 'forget fact :index', :requirements => { :index => /^#?\d+$/ }, :auth_path => 'edit'
plugin.map 'facts [about *words]'
plugin.map 'facts search *rx'
plugin.map 'fact [about *words]'
plugin.map 'fact :index', :requirements => { :index => /^#?\d+$/ }

plugin.map 'fact :index :learn from *who', :action => :edit_fact, :requirements => { :learn => /^((?:is|was)\s+)?learn(ed|t)$/, :index => /^#?\d+$/ }, :auth_path => 'edit'
plugin.map 'fact :index :learn on *when',  :action => :edit_fact, :requirements => { :learn => /^((?:is|was)\s+)?learn(ed|t)$/, :index => /^#?\d+$/ }, :auth_path => 'edit'
plugin.map 'fact :index :learn in *where', :action => :edit_fact, :requirements => { :learn => /^((?:is|was)\s+)?learn(ed|t)$/, :index => /^#?\d+$/ }, :auth_path => 'edit'

plugin.map 'facts import [from] *filename', :action => :import, :auth_path => 'import'