1 files changed, 85 insertions, 0 deletions
diff --git a/data/rbot/plugins/karma.rb b/data/rbot/plugins/karma.rb
new file mode 100644
index 00000000..148427a5
--- /dev/null
+++ b/data/rbot/plugins/karma.rb
@@ -0,0 +1,85 @@
+class KarmaPlugin < Plugin
+  def initialize
+    super
+
+    # this plugin only wants to store ints!
+    class << @registry
+      def store(val)
+        val.to_i
+      end
+      def restore(val)
+        val.to_i
+      end
+    end
+    @registry.set_default(0)
+
+    # import if old file format found
+    if(File.exist?("#{@bot.botclass}/karma.rbot"))
+      puts "importing old karma data"
+      IO.foreach("#{@bot.botclass}/karma.rbot") do |line|
+        if(line =~ /^(\S+)<=>([\d-]+)$/)
+          item = $1
+          karma = $2.to_i
+          @registry[item] = karma
+        end
+      end
+      File.delete("#{@bot.botclass}/karma.rbot")
+    end
+
+  end
+
+  def stats(m, params)
+    if (@registry.length)
+      max = @registry.values.max
+      min = @registry.values.min
+      best = @registry.to_hash.index(max)
+      worst = @registry.to_hash.index(min)
+      m.reply "#{@registry.length} items. Best: #{best} (#{max}); Worst: #{worst} (#{min})"
+    end
+  end
+
+  def karma(m, params)
+    thing = params[:key]
+    thing = m.sourcenick unless thing
+    thing = thing.to_s
+    karma = @registry[thing]
+    if(karma != 0)
+      m.reply "karma for #{thing}: #{@registry[thing]}"
+    else
+      m.reply "#{thing} has neutral karma"
+    end
+  end
+  
+  
+  def help(plugin, topic="")
+    "karma module: <thing>++/<thing>-- => increase/decrease karma for <thing>, karma for <thing>? => show karma for <thing>, karmastats => show stats. Karma is a community rating system - only in-channel messages can affect karma and you cannot adjust your own."
+  end
+  def listen(m)
+    return unless m.kind_of?(PrivMessage) && m.public?
+    # in channel message, the kind we are interested in
+    if(m.message =~ /(\+\+|--)/)
+      string = m.message.sub(/\W(--|\+\+)(\(.*?\)|[^(++)(\-\-)\s]+)/, "\2\1")
+      seen = Hash.new
+      while(string.sub!(/(\(.*?\)|[^(++)(\-\-)\s]+)(\+\+|--)/, ""))
+        key = $1
+        change = $2
+        next if seen[key]
+        seen[key] = true
+
+        key.sub!(/^\((.*)\)$/, "\1")
+        key.gsub!(/\s+/, " ")
+        next unless(key.length > 0)
+        next if(key == m.sourcenick)
+        if(change == "++")
+          @registry[key] += 1
+        elsif(change == "--")
+          @registry[key] -= 1
+        end
+      end
+    end
+  end
+end
+plugin = KarmaPlugin.new
+plugin.map 'karmastats', :action => 'stats'
+plugin.map 'karma :key', :defaults => {:key => false}
+plugin.map 'karma for :key'