search_youtube plugin update

plugins/search_youtube.lua

@@ -1,55 +1,31 @@
-do
-
-local function get_yt_data (yt_code)
-  local base_url = 'http://gdata.youtube.com/feeds/api/'
-  local url = base_url..'/videos/'..yt_code..'?v=2&alt=jsonc'
-  local res,code  = http.request(url)
-  if code ~= 200 then return "HTTP ERROR" end
-  local data = json:decode(res).data
-  return data
+function searchYoutubeVideo(text)
+  local data = httpRequest('http://gdata.youtube.com/feeds/api/videos?max-results=1&alt=json&q=' .. URL.escape(text))
+  if not data then
+    print("HTTP Error")
+    return nil
+  elseif not data.feed.entry then
+    return "YouTube Video nicht gefunden!" 
+  end
+  return data.feed.entry[1].link[1].href
 end
 
-local function format_youtube_data(data, link)
-  local title = data.title
-  local uploader = data.uploader
-  local text = title..' ('..uploader..')'..'\n\nLink:' .. link
-  return text
-end
-
-local function httpRequest(url)
+function httpRequest(url)
   local res,code  = http.request(url)
   if code ~= 200 then return nil end
   return json:decode(res)
 end
 
-local function searchYoutubeVideo(text)
-  local base_url = 'http://gdata.youtube.com/feeds/api/'
-  local data = httpRequest(base_url..'videos?max-results=1&alt=json&q='..URL.escape(text))
-  if not data then
-    print("HTTP Error")
-    return nil
-  elseif not data.feed.entry then
-    return "Kein YouTube Video gefunden!"
-  end
-  return data.feed.entry[1].link[1].href
-end
-
-local function run(msg, matches)
-  local text = matches[1]
-  local link = searchYoutubeVideo(text)
-  local yt_code = link:match("?v=([_A-Za-z0-9-]+)")
-  local data = get_yt_data(yt_code)
-  return format_youtube_data(data, link)
+function run(msg, matches)
+  local text = msg.text:sub(string.len(matches[1]) + 1,-1)
+  return searchYoutubeVideo(text)
 end
 
 return {
-  description = "Sucht ein Video auf YouTube und sendet es",
+  description = "Sucht ein Video auf YouTube und sendet es.", 
   usage = "/youtube [Begriff]",
   patterns = {
-    "^/youtube (.*)",
-	"^/yt (.*)"
-  },
-  run = run
-}
-
-end
+    "^/youtube",
+	"^/yt"
+  }, 
+  run = run 
+}