Add button "share on Diaspora*"

    Sharing URL management has been rewritten has a class

srv.js

@@ -83,34 +83,60 @@ for (let i in fonts) {
 }
 Canvas.registerFont('./static/fonts/FiraSans-Bold.otf', {family: 'FiraSans', weight: 'bold'});
 
-function buildUrl(req) {
-  return req.protocol + '://'
-    + req.headers.host + '/'
-    + (config.subdir || '')
-    + '?'
-    + querystring.stringify(req.args)
-    + '&lang=' + req.i18n.getLocale();
-}
-
-function tweetMessage(req) {
+function ShareMessage(req) {
+  let _req = req;
   let _ = req.i18n._;
 
-  return (req.args.signature ? _('Faites comme ') + encodeURIComponent(req.args.signature) + ', s' : 'S')
-    + _('outenez ')
-    + encodeURIComponent('La Quadrature du Net ! #LQDoN ')
-    + encodeURIComponent(req.protocol + "://" + req.headers.host)
-    + ' '
-    + encodeURIComponent(buildUrl(req));
+  this.getUrl = function() {
+    return _req.protocol + '://'
+      + _req.headers.host + '/'
+      + (config.subdir || '')
+      + '?'
+      + querystring.stringify(_req.args)
+      + '&lang=' + _req.i18n.getLocale();
+  }
+
+  this.getTitle = function() {
+    return (_req.args.signature ? _('Faites comme ') + encodeURIComponent(_req.args.signature) + ', s' : 'S')
+      + _('outenez ')
+      + 'La Quadrature du Net ! #LQDoN';
+  }
+
+  this.getContent = function() {
+    return _req.protocol + "://" + _req.headers.host;
+  }
+
+  this.getTwitterLink = function() {
+    return 'https://twitter.com/intent/tweet?text='
+      + encodeURIComponent(this.getTitle()
+			   + ' ' + this.getContent()
+			   + ' ' + this.getUrl());
+  }
+
+  this.getFacebookLink = function() {
+    return 'https://www.facebook.com/sharer/sharer.php?u='
+      + encodeURIComponent(this.getUrl());
+  }
+
+  this.getDiasporaLink = function() {
+    return 'https://share.diasporafoundation.org/?title='
+      + encodeURIComponent(this.getTitle() + ' ' + this.getContent())
+      + '&url=' + encodeURIComponent(this.getUrl());
+  }
 }
 
 app.get('/generate.png', function (req, res) {
   let _ = req.i18n._;
 
-  if (req.query.target === 'facebook') {
-    return res.redirect('https://www.facebook.com/sharer/sharer.php?u=' + encodeURIComponent(buildUrl(req)));
+  let message = new ShareMessage(req);
+  if (req.query.target === 'diaspora') {
+    return res.redirect(message.getDiasporaLink())
+  }
+  else if (req.query.target === 'facebook') {
+    return res.redirect(message.getFacebookLink());
   }
   else if (req.query.target === 'twitter') {
-    return res.redirect('https://twitter.com/intent/tweet?text=' + tweetMessage(req));
+    return res.redirect(message.getTwitterLink());
   }
   else if (req.query.target === 'download') {
     res.set("Content-Disposition", "attachment;filename=lqdn_slogan.png");

views/index.pug

@@ -123,6 +123,9 @@ html(lang=locale)
               span.fa.fa-refresh
           button(type="submit" name="target" value="randomize" formaction="" formtarget="_self").randomize.white-button
             span.fa.fa-random
+          button(type="submit" name="target" value="diaspora").white-button
+            span.text
+              =_('Diaspora*') + ' '
           button(type="submit" name="target" value="twitter")#tweet-button.blue-button
             span.text
               =_('Tweet') + ' '