search_youtube works again

plugins/search_youtube.lua

@@ -1,31 +1,50 @@
-function searchYoutubeVideo(text)
-  local data = httpRequest('http://gdata.youtube.com/feeds/api/videos?max-results=1&alt=json&q=' .. URL.escape(text))
+
+do
+
+-- HOW TO USE:
+-- 1. Go to the Google Developers Console.
+-- 2. Select a project.
+-- 3. In the sidebar on the left, select APIs & auth. In the list of APIs, choose "YouTube Data API" an make sure the status is ON for the YouTube Data API v3.
+-- 4. In the sidebar on the left, select Credentials.
+-- 5. Generate an API-Key (browser key, leave the referer field blank)
+-- 6. Write this in your data/credentials.lua:
+-- 	  google_apikey = "YOURKEY-HERE",
+-- Your quota is 50.000.000 per day and a search takes 100 points. So if you manage to use this in one day, you're a real spammer :P
+
+local function searchYoutubeVideo(text)
+  local apikey = cred_data.google_apikey
+  local data = httpsRequest('https://www.googleapis.com/youtube/v3/search?part=snippet&key='..apikey..'&maxResults=1&type=video&q=' .. URL.escape(text))
   if not data then
-    print("HTTP Error")
+    print("HTTP-Fehler")
     return nil
-  elseif not data.feed.entry then
-    return "YouTube Video nicht gefunden!" 
+  elseif not data.items[1] then
+    return "YouTube-Video nicht gefunden!"
   end
-  return data.feed.entry[1].link[1].href
+  videoId = data.items[1].id.videoId
+  videoURL = 'https://youtube.com/watch?v='..videoId
+  return videoURL
 end
 
-function httpRequest(url)
-  local res,code  = http.request(url)
+function httpsRequest(url)
+  local res,code  = https.request(url)
   if code ~= 200 then return nil end
   return json:decode(res)
 end
 
 function run(msg, matches)
   local text = msg.text:sub(string.len(matches[1]) + 1,-1)
+  local link = searchYoutubeVideo(text)
   return searchYoutubeVideo(text)
 end
 
 return {
-  description = "Sucht ein Video auf YouTube und sendet es.", 
-  usage = "/youtube [Begriff]",
+  description = "Sucht YouTube-Video und sendet es", 
+  usage = "/youtube [Suchbegriff]",
   patterns = {
     "^/youtube",
-	"^/yt"
+    "^/yt"
   }, 
   run = run 
 }
+
+end