1 files changed, 75 insertions, 0 deletions
diff --git a/rbot/plugins/karma.rb b/rbot/plugins/karma.rb
new file mode 100644
index 00000000..44b6d026
--- /dev/null
+++ b/rbot/plugins/karma.rb
@@ -0,0 +1,75 @@
+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 help(plugin, topic="")
+    "karma module: <thing>++/<thing>-- => increase/decrease karma for <thing>, karma for <thing>? => show karma for <thing>. Karma is a community rating system - only in-channel messages can affect karma and you cannot adjust your own."
+  end
+  def listen(m)
+    if(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!(/^\((.*)\)$/, "\1")
+          key.gsub!(/\s+/, " ")
+          next unless(key.length > 0)
+          next if(key == m.sourcenick)
+          if(change == "++")
+            @registry[key] += 1
+          elsif(change == "--")
+            @registry[key] -= 1
+          end
+        end
+      end
+    end
+  end
+  def privmsg(m)
+    unless(m.params)
+      m.reply "incorrect usage: " + m.plugin
+      return
+    end
+    if(m.params =~ /^(?:for\s+)?(\S+?)\??$/)
+      thing = $1
+      karma = @registry[thing]
+      if(karma != 0)
+        m.reply "karma for #{thing}: #{@registry[thing]}"
+      else
+        m.reply "#{thing} has neutral karma"
+      end
+    end
+  end
+end
+plugin = KarmaPlugin.new
+plugin.register("karma")