rss plugin: parse feed on first retrieval; add some more debug

[user/henk/code/ruby/rbot.git] / data / rbot / plugins / search.rb

diff --git a/data/rbot/plugins/search.rb b/data/rbot/plugins/search.rb
index 1884b38aaa9f426d6d483fbc3098c83d7597040a..c733c815fd03481b1b5a2451437f3a9e9a6ea852 100644 (file)
--- a/data/rbot/plugins/search.rb
+++ b/data/rbot/plugins/search.rb
@@ -13,11 +13,8 @@
 # TODO:: use lr=lang_<code> or whatever is most appropriate to let google know
 #        it shouldn't use the bot's location to find the preferred language
 
-require 'uri'
-
-Net::HTTP.version_1_2
-
 GOOGLE_WAP_LINK = /<a accesskey="(\d)" href=".*?u=(.*?)">(.*?)<\/a>/im
+GOOGLE_CALC_RESULT = %r{<p><table><tr><td><img src=/images/calc_img\.gif></td><td>&nbsp;</td><td nowrap><font size=\+1><b>(.+)</b></td></tr><tr><td>}
 
 class SearchPlugin < Plugin
   BotConfig.register BotConfigIntegerValue.new('google.hits',
@@ -37,6 +34,8 @@ class SearchPlugin < Plugin
     case topic
     when "search", "google"
       "#{topic} <string> => search google for <string>"
+    when "gcalc"
+      "gcalc <equation> => use the google calculator to find the answer to <equation>"
     when "wp"
       "wp [<code>] <string> => search for <string> on Wikipedia. You can select a national <code> to only search the national Wikipedia"
     else
@@ -46,7 +45,7 @@ class SearchPlugin < Plugin
 
   def google(m, params)
     what = params[:words].to_s
-    searchfor = URI.escape what
+    searchfor = CGI.escape what
     # This method is also called by other methods to restrict searching to some sites
     if params[:site]
       site = "site:#{params[:site]}+"
@@ -63,6 +62,7 @@ class SearchPlugin < Plugin
 
     begin
       wml = @bot.httputil.get(url)
+      raise unless wml
     rescue => e
       m.reply "error googling for #{what}"
       return
@@ -91,6 +91,35 @@ class SearchPlugin < Plugin
 
   end
 
+  def gcalc(m, params)
+    what = params[:words].to_s
+    searchfor = CGI.escape(what)
+    
+    debug "Getting gcalc thing: #{searchfor.inspect}"
+    url = "http://www.google.com/search?q=#{searchfor}"
+
+    begin
+      html = @bot.httputil.get(url)
+    rescue => e
+      m.reply "error googlecalcing #{what}"
+      return
+    end
+
+    debug "#{html.size} bytes of html recieved"
+    
+    results = html.scan(GOOGLE_CALC_RESULT)
+    debug "results: #{results.inspect}"
+    
+    if results.length != 1
+      m.reply "couldn't calculate #{what}"
+      return
+    end
+    
+    result = results[0][0].ircify_html
+    debug "replying with: #{result.inspect}"
+    m.reply "#{result}"
+  end
+
   def wikipedia(m, params)
     lang = params[:lang]
     site = "#{lang.nil? ? '' : lang + '.'}wikipedia.org"
@@ -107,6 +136,7 @@ plugin = SearchPlugin.new
 
 plugin.map "search *words", :action => 'google'
 plugin.map "google *words", :action => 'google'
+plugin.map "gcalc *words", :action => 'gcalc'
 plugin.map "wp :lang *words", :action => 'wikipedia', :requirements => { :lang => /^\w\w\w?$/ }
 plugin.map "wp *words", :action => 'wikipedia'