use 5.010;
use strictures;
use Plack::Request qw();
use HTTP::Status qw(HTTP_OK HTTP_METHOD_NOT_ALLOWED);
use Local::MyFastaThing qw(process_fasta);
sub html_head {
return <<'';
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>MyFastaThing Web front-end</title>
</head>
<body>
}
sub form {
my ($where_am_i) = @_;
return <<"";
<form action="$where_am_i" method="POST">
<label for="sequence">paste sequence</label>
<textarea id="sequence" name="sequence"></textarea>
<label for="fasta">upload fasta</label>
<input id="fasta" name="fasta" type="file" />
<input type="submit" />
</form>
}
sub html_tail {
return <<'';
</body>
</html>
}
my $app = sub {
my ($env) = @_;
my $req = Plack::Request->new($env);
if ('GET' eq $req->method) {
return [HTTP_OK, ['Content-Type' => 'application/xhtml+xml'],
+[html_head, form($req->uri), html_tail]];
} elsif ('POST' eq $req->method) {
return [HTTP_OK, ['Content-Type' => 'application/xhtml+xml'],
+[html_head, '<p>',
process_fasta($req->upload('fasta') // $req->body_paramete
+rs->{sequence}),
'</p>', html_tail]];
} else {
return [HTTP_METHOD_NOT_ALLOWED, [],[]];
}
};
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