--- /dev/null
+<% encode_json($return) %>\
+<%init>
+
+local $SIG{__DIE__}; #disable Mason error trap
+
+my $DEBUG = 0;
+
+my $conf = new FS::Conf;
+
+# figure out the prefix
+my $pre;
+foreach my $name ($cgi->param) {
+ if ($name =~ /^(\w*)address1$/) {
+ $pre = $1;
+ last;
+ }
+}
+die "no address1 field in location" if !defined($pre);
+
+# gather relevant fields
+my %old = ( map { $_ => scalar($cgi->param($pre . $_)) }
+ qw( company address1 address2 city state zip country )
+);
+
+my $cache = eval { FS::GeocodeCache->standardize(\%old) };
+$cache->set_coord;
+# don't do set_censustract here, though censustract may be set by now
+
+# give the fields their prefixed names back
+# except always name the error string 'error'
+my $error = delete($cache->{'error'}) || '';
+my %new = (
+ 'changed' => 0,
+ 'error' => $error,
+ map { $pre.$_, $cache->get($_) } keys %$cache
+);
+
+foreach ( qw(address1 address2 city state zip country) ) {
+ if ( $new{$pre.$_} ne $old{$pre.$_} ) {
+ $new{changed} = 1;
+ last;
+ }
+}
+
+# refold this to make it acceptable to jquery
+#my $return = [ map { { name => $_, value => $new{$_} } } keys %new ];
+my $return = \%new;
+warn "result:\n".encode_json($return) if $DEBUG;
+
+$r->content_type('application/json');
+</%init>