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|
#-- 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
@hash[:fact]
end
def [](*args)
@hash[*args]
end
def to_hsh
return @hash
end
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
def initialize
super
# TODO config
@dir = File.join(@bot.botclass,"factoids")
@filename = "factoids.rbot"
@factoids = FactoidList.new
read_factfile
@changed = false
end
def read_factfile(name=@filename,dir=@dir)
fname = File.join(dir,name)
if File.exist?(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
end
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 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 @factoids.index(factoid)
m.reply _("I already know that %{factoid}" % { :factoid => factoid })
else
@factoids << factoid
@changed = true
m.okay
end
end
def forget(m, params)
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
def facts(m, params)
if params[:words].empty?
m.reply _("I know %{count} facts" % { :count => @factoids.length })
else
rx = Regexp.new(params[:words].to_s, true)
known = @factoids.grep(rx)
if known.empty?
m.reply _("I know nothing about %{words}" % params)
else
m.reply known.join(" | "), :split_at => /\s+\|\s+/
end
end
end
def fact(m, params)
known = nil
if params[:words].empty?
if @factoids.empty?
m.reply _("I know nothing")
return
end
known = @factoids
else
rx = Regexp.new(params[:words].to_s, true)
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
m.reply _("fact %{idx}/%{total}: %{fact}" % {
:idx => idx,
:total => @factoids.length,
:fact => fact
})
end
end
plugin = FactoidsPlugin.new
plugin.map 'learn that *stuff'
plugin.map 'forget that *stuff'
plugin.map 'facts [about *words]'
plugin.map 'fact [about *words]'
|
