Send alternative/multipart emails

Plus some other adjustements
Fix #20
Unfortunatly, it's not sufficient, as gmail still often tags invitations as spam :-(
but still a bit better

lib/Mojolicious/Plugin/Mailer.pm

@@ -24,14 +24,29 @@ sub register {
 
       my @data  = @{ $args->{data} };
 
-      my @parts = Email::MIME->create(
+      my @parts = (
+        Email::MIME->create(
           body => Encode::encode('UTF-8', $self->render(
             @data,
-                                        format => $args->{format}
-                                                ? $args->{format}
-                                                : 'email',
+            format => $args->{format} ? $args->{format} : 'email_html',
             partial => 1
-                                  ))
+          )),
+          attributes => {
+            charset      => 'utf-8',
+            content_type => 'text/html',
+          }
+        ),
+        Email::MIME->create(
+          body => Encode::encode('UTF-8', $self->render(
+            @data,
+            format => $args->{format} ? $args->{format} : 'email_text',
+            partial => 1
+          )),
+          attributes => {
+            charset      => 'utf-8',
+            content_type => 'text/plain',
+          }
+        ),
       );
 
       my $transport = defined $args->{transport} || $conf->{transport}
@@ -45,11 +60,10 @@ sub register {
 
       my $email = Email::MIME->create(
         header => [ %{$header} ],
-                                  parts  => [ @parts ],
+        parts  => [ @parts ]
       );
 
       $email->charset_set     ( $args->{charset}      ? $args->{charset}      : 'utf-8'     );
-      $email->encoding_set    ( $args->{encoding}     ? $args->{encoding}     : 'base64'    );
       $email->content_type_set( $args->{content_type} ? $args->{content_type} : 'text/html' );
 
       return Email::Sender::Simple->try_to_send( $email, { transport => $transport } ) if $transport;

lib/Vroom/I18N/en.pm

@@ -10,11 +10,11 @@ our %Lexicon = (
   "ERROR_ROOM_s_LOCKED"                  => "The room %s is locked, you cannot join it",
   "ERROR_OCCURED"                        => "An error occured",
   "ERROR_NOT_LOGGED_IN"                  => "Sorry, your not logged in",
-  "JOIN_US_ON_s"                         => "Video conference %s",
+  "EMAIL_INVITATION"                     => "Video conference invitation",
   "INVITE_SENT_TO_s"                     => "An invitation was sent to %s",
-  "TO_JOIN_s_CLICK_s"                    => "You're invited to join the video conference %s. " .
-                                            "All you need is a modern web browser and a webcam. When you're ready " .
-                                            "click on <a href='%s'>this link</a>",
+  "TO_JOIN_CLICK_THIS_LINK"              => "You're invited to join a video conference. " .
+                                            "All you need is a modern web browser and a webcam. When you're ready, " .
+                                            "just go to this address",
   "HAVE_A_NICE_MEETING"                  => "Have a nice meeting :-)",
   "EMAIL_SIGN"                           => "VROOM! And video conferencing becomes free, simple and safe",
   "FEEDBACK"                             => "Feedback",

lib/Vroom/I18N/fr.pm

@@ -12,10 +12,10 @@ our %Lexicon = (
     "ERROR_ROOM_s_LOCKED"                       => "Le salon %s est verrouillé, vous ne pouvez pas le rejoindre",
     "ERROR_OCCURED"                             => "Une erreur est survenue",
     "ERROR_NOT_LOGGED_IN"                       => "Désolé, vous n'êtes pas identifié",
-    "JOIN_US_ON_s"                              => "Vidéo conférence %s",
-    "TO_JOIN_s_CLICK_s"                         => "Vous êtes invité à rejoindre le salon de vidéo conférence %s. " .
+    "EMAIL_INVITATION"                          => "Vidéo conférence",
+    "TO_JOIN_CLICK_THIS_LINK"                   => "Vous êtes attendu sur un salon de vidéo conférence. " .
                                                    "Tout ce dont vous avez besoin est un navigateur web récent et " .
-                                                   "une webcam. Quand vous êtes prêt, cliquez sur <a href='%s'>ce lien</a>",
+                                                   "une webcam. Quand vous êtes prêt, rendez-vous sur cette adresse",
     "HAVE_A_NICE_MEETING"                       => "Bonne réunion :-)",
     "EMAIL_SIGN"                                => "VROOM! Et la visio conférence devient libre, simple et sûr",
     "FEEDBACK"                                  => "Retour d'expérience",

public/vroom.pl

@@ -378,9 +378,10 @@ post '/action' => sub {
     my $rcpt = $self->param('recipient');
     $self->email(
       header => [
-        Subject => encode("MIME-Header", sprintf ($self->l("JOIN_US_ON_s"), $room)),
+        Subject => encode("MIME-Header", $self->l("EMAIL_INVITATION")),
         To => $rcpt
       ],
+      content_type => 'multipart/alternative',
       data => [
         template => 'invite',
         room => $room

templates/default/invite.email_html.ep

@@ -4,9 +4,18 @@
       my $url = $self->url_for('/')->to_abs;
       $url .= ($url =~ m/\/$/) ? '' : '/';
     %>
-    <%==
-      sprintf($self->l('TO_JOIN_s_CLICK_s'), $room, $url.$room);
+    <%=
+      $self->l('TO_JOIN_CLICK_THIS_LINK');
     %>
+    <br/>
+    <p>
+      <center>
+        <h1>
+          <a href="<%= $url . $room %>">
+            <%= $url . $room %>
+          </a>
+        </h1>
+      </center>
     </p>
   <br>
   <p>

templates/default/invite.email_text.ep

@@ -0,0 +1,13 @@
+<%
+  my $url = $self->url_for('/')->to_abs;
+  $url .= ($url =~ m/\/$/) ? '' : '/';
+%>
+<%=
+  $self->l('TO_JOIN_CLICK_THIS_LINK')
+%>
+
+<%= $url . $room %>
+
+<%=l 'HAVE_A_NICE_MEETING' %>
+-- 
+<%=l 'EMAIL_SIGN' %>