Add a new button to create the room if it doesn't exist

Fix #39

public/vroom.pl

@@ -594,6 +594,7 @@ post '/action' => sub {
   return $self->render(
            json => {
              msg    => sprintf ($self->l("ERROR_ROOM_s_DOESNT_EXIST"), $room),
+             err    => 'ERROR_ROOM_s_DOESNT_EXIST',
              status => 'error'
            },
          ) unless ($data);

templates/default/error.html.ep

@@ -3,7 +3,7 @@
 %= include 'public_toolbar'
 <div class="container-fluid">
   <div class="jumbotron alert-danger">
-    <h2<%=l 'ERROR_OCCURED' %></h2>
+    <h2><%=l 'ERROR_OCCURED' %></h2>
     <p><%= $msg %></p>
     <div class="btn-group">
       <a class="btn btn-primary btn-lg" role="button" href="<%= $self->get_url('/') %>"><%=l 'BACK_TO_MAIN_MENU' %></a>
@@ -11,10 +11,17 @@
       <a class="btn btn-default btn-lg" role="button" href="<%= $self->get_url('/') . $room %>"><%=l 'JOIN_THIS_ROOM' %></a>
       <% } elsif ($err eq 'WRONG_PASSWORD'){ %>
       <a class="btn btn-default btn-lg" role="button" href="<%= $self->get_url('/password') . '/' . $room %>"><%=l 'TRY_AGAIN' %></a>
-      <% } elsif ($err eq 'ERROR_ROOM_s_LOCKED' && $ownerPass){ %>
+      <% } elsif ($err eq 'ERROR_ROOM_s_LOCKED' && stash 'ownerPass'){ %>
       <a class="btn btn-default btn-lg" role="button" href="<%= $self->get_url('/password') . '/' . $room %>"><%=l 'AUTH_IF_OWNER' %></a>
+      <% } elsif ($err eq 'ERROR_ROOM_s_DOESNT_EXIST'){ %>
+      <button class="btn btn-default btn-lg" role="submit" form="createRoomForm"><%=l 'CREATE_THIS_ROOM' %></button>
       <% } %>
     </div>
+    <% if ($err eq 'ERROR_ROOM_s_DOESNT_EXIST'){ %>
+    <form id="createRoomForm" action="<%= $self->get_url('/create') %>" method="post">
+      <input type="text" name="roomName" value="<%= $room %>" hidden/>
+    </form>
+    <% } %>
   </div>
 </div>
 %= include 'js_common'