Some changes on giphy plugin

plugins/giphy.lua

@@ -1,27 +1,31 @@
 -- Idea by https://github.com/asdofindia/telegram-bot/
 -- See http://api.giphy.com/
 
+do
+
+local BASE_URL = 'http://api.giphy.com/v1'
+local API_KEY = 'dc6zaTOxFJmzC' -- public beta key
+
 function get_random_top()
-  local api_key = "dc6zaTOxFJmzC" -- public beta key
+  local res, code = http.request(BASE_URL.."/gifs/trending?api_key="..API_KEY)
-  local b = http.request("http://api.giphy.com/v1/gifs/trending?api_key="..api_key)
+  if code ~= 200 then return nil end
-  local images = json:decode(b).data
+  local images = json:decode(res).data
   local i = math.random(0,#images)
   return images[i].images.downsized.url
 end
 
 function search(text)
-  local api_key = "dc6zaTOxFJmzC" -- public beta key
+  local res, code = http.request(BASE_URL.."/gifs/search?q="..text.."&api_key="..API_KEY)
-  b = http.request("http://api.giphy.com/v1/gifs/search?q="..text.."&api_key="..api_key)
+  local images = json:decode(res).data
-  local images = json:decode(b).data
   if #images == 0 then return nil end -- No images
-  math.randomseed(os.time())
   local i = math.random(0,#images)
   return images[i].images.downsized.url
 end
 
 function run(msg, matches)
-  -- If no search data, a cat gif will be sended
+  local gif_url = ''
-  -- Because everyone loves pussies
+  
+  -- If no search data, a random trending GIF will be sended
   if matches[1] == "!gif" or matches[1] == "!giphy" then
     gif_url = get_random_top()
   else
@@ -50,4 +54,6 @@ return {
     "^!giphy$"
   },
   run = run
-}
+}
+
+end