Improve memes layout

scripts/memes.coffee

@@ -17,6 +17,11 @@
 async = require 'async'
 
 module.exports = (robot) ->
+  memegen = 'http://memegen.link/'
+
+  usage = 'non si usa così: prova a chiedermi "asjon help meme" per
+           sapere sapere come funziona il comando'
+
   escape = (str) ->
     str.replace( /-/g, '--')
        .replace(/\ /g,  '-')
@@ -25,29 +30,27 @@ module.exports = (robot) ->
        .replace( /%/g, '~p')
        .toLowerCase()
 
+  gen_meme = (template, title1, title2) ->
+    "#{memegen}#{template}/#{escape title1}/#{escape title2}.jpg"
+
   send_example = (url, res, callback) ->
     cb = if callback? then (-> callback()) else (-> return)
 
     robot.http(url).get() (err, r, body) ->
       template = JSON.parse body
-      res.send template.name,
-               template.example + '.jpg',
-               'alias: ' + template.aliases.join(', '),
+      title = template.name
+      names = template.aliases
+      res.send (gen_meme names[0], title, names.join ', '),
                if robot.adapterName is 'tg' then cb else ''
 
       cb() if robot.adapterName isnt 'tg'
 
-  memegen = 'http://memegen.link/'
-
-  usage = 'non si usa così: prova a chiedermi "asjon help meme" per
-           sapere sapere come funziona il comando'
 
   robot.respond /meme (.+)/i, (res) ->
-    args = res.match[1]
-    return res.send usage if args.split(',').length != 3
+    args = (i.trim() for i in res.match[1].split ',')
+    return res.send usage if args.length != 3
 
-    meme = (escape i.trim() for i in args.split ',').join '/'
-    res.send memegen + meme + '.jpg'
+    res.send gen_meme args...
 
   robot.respond /memes( -v)?/i, (res) ->
     if not res.match[1]?