img command

bot/bot.lua

@@ -1,7 +1,8 @@
 http = require("socket.http")
+URL = require("socket.url")
 json = (loadfile "./bot/JSON.lua")()
 
-VERSION = 'v0.2.1'
+VERSION = 'v0.3'
 
 
 function on_msg_receive (msg)
@@ -105,6 +106,17 @@ function do_action(msg)
       return
    end 
 
+   if string.starts(msg.text, '!img') then
+      text = msg.text:sub(5,-1)
+      url = getGoogleImage(text)
+      file_name = url:match("([^/]+)$")
+      file = "/tmp/"..file_name
+      sh = "curl -o '"..file.."' "..url
+      run_bash(sh)
+      send_photo(receiver, file, ok_cb, false)
+      return
+   end
+
    if string.starts(msg.text, '!9gag') then
       url, title = get_9GAG()
       file_name = url:match("([^/]+)$")
@@ -272,6 +284,14 @@ function get_fortunes_uc3m()
    return b
 end
 
+function getGoogleImage(text)
+  local api = "https://ajax.googleapis.com/ajax/services/search/images?v=1.0&q="
+  text = URL.escape(text)
+  b = http.request(api..text)
+  local google = json:decode(b)
+  return google.responseData.results[1].url
+end
+
 function get_9GAG()
    b = http.request("http://api-9gag.herokuapp.com/")
    local gag = json:decode(b)