Add offline support of static files/fallback page.

Use a list to store JavaScript files, so it can be shared
between the HTML footer and the appcache manifest.

2 files changed, 35 insertions, 2 deletions

diff --git a/perllib/FixMyStreet/App/Controller/Offline.pm b/perllib/FixMyStreet/App/Controller/Offline.pm
new file mode 100644
index 000000000..9acb33f7e
--- /dev/null
+++ b/perllib/FixMyStreet/App/Controller/Offline.pm
@@ -0,0 +1,32 @@
+package FixMyStreet::App::Controller::Offline;
+use Moose;
+use namespace::autoclean;
+
+BEGIN { extends 'Catalyst::Controller'; }
+
+=head1 NAME
+
+FixMyStreet::App::Controller::Offline - Catalyst Controller
+
+=head1 DESCRIPTION
+
+Offline pages Catalyst Controller.
+
+=head1 METHODS
+
+=cut
+
+sub manifest : Path("/offline/appcache.manifest") {
+    my ($self, $c) = @_;
+    $c->res->content_type('text/cache-manifest; charset=utf-8');
+    $c->res->header(Cache_Control => 'no-cache, no-store');
+}
+
+sub appcache : Path("/offline/appcache") {
+    my ($self, $c) = @_;
+    $c->detach('/page_error_404_not_found', []) if keys %{$c->req->params};
+}
+
+__PACKAGE__->meta->make_immutable;
+
+1;
diff --git a/perllib/FixMyStreet/App/View/Web.pm b/perllib/FixMyStreet/App/View/Web.pm
index f0bcad0be..22387f5f6 100644
--- a/perllib/FixMyStreet/App/View/Web.pm
+++ b/perllib/FixMyStreet/App/View/Web.pm
@@ -140,7 +140,8 @@ sub escape_js {
 
 my %version_hash;
 sub version {
-    my ( $self, $c, $file ) = @_;
+    my ( $self, $c, $file, $url ) = @_;
+    $url ||= $file;
     _version_get_mtime($file);
     if ($version_hash{$file} && $file =~ /\.js$/) {
         # See if there's an auto.min.js version and use that instead if there is
@@ -149,7 +150,7 @@ sub version {
         $file = $file_min if $version_hash{$file_min} >= $version_hash{$file};
     }
     my $admin = $self->template->context->stash->{admin} ? FixMyStreet->config('ADMIN_BASE_URL') : '';
-    return "$admin$file?$version_hash{$file}";
+    return "$admin$url?$version_hash{$file}";
 }
 
 sub _version_get_mtime {