From 0c395cf4516981ef0f9b56a082d700f6fc4697e9 Mon Sep 17 00:00:00 2001
From: Julian Blake Kongslie <jblake@omgwallhack.org>
Date: Tue, 18 Jan 2011 17:45:58 -0800
Subject: Adding a CGI for doing AJAX-style live validation of constraints.

---
 pinyweb/cgi-bin/checkconstraint.cgi | 41 +++++++++++++++++++++++++++++++++++++
 pinyweb/debian/control              |  2 +-
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100755 pinyweb/cgi-bin/checkconstraint.cgi

diff --git a/pinyweb/cgi-bin/checkconstraint.cgi b/pinyweb/cgi-bin/checkconstraint.cgi
new file mode 100755
index 0000000..8db0903
--- /dev/null
+++ b/pinyweb/cgi-bin/checkconstraint.cgi
@@ -0,0 +1,41 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use CGI;
+use JSON qw( encode_json );
+use Moose::Util::TypeConstraints qw( find_type_constraint );
+
+use Piny;
+
+my $q = CGI->new( );
+
+my $type = $q->param( 't' );
+my $value = $q->param( 'v' );
+
+if ( not defined $type or not defined $value ) {
+  print "Status: 400 Bad Request\nContent-type: application/json\n\n";
+  print encode_json( { "ok" => JSON::false, "msg" => "Unable to validate due to client-side error, please reload this page. Required parameter missing." } );
+} else {
+
+  my $constraint = find_type_constraint( $type );
+
+  if ( not defined $constraint ) {
+    print "Status: 400 Bad Request\nContent-type: application/json\n\n";
+    print encode_json( { "ok" => JSON::false, "msg" => "Unable to validate due to client-side error, please reload this page. Invalid constraint name." } );
+  } else {
+
+    print "Status: 200 OK\nContent-type: application/json\n\n";
+
+    my $error = $constraint->validate( $value );
+
+    if ( defined $error ) {
+      print encode_json( { "ok" => JSON::false, "msg" => $error } );
+    } else {
+      print encode_json( { "ok" => JSON::true } );
+    };
+
+  };
+
+};
diff --git a/pinyweb/debian/control b/pinyweb/debian/control
index 3758c95..97e5537 100644
--- a/pinyweb/debian/control
+++ b/pinyweb/debian/control
@@ -8,7 +8,7 @@ Standards-version: 3.9.1
 
 Package: pinyweb
 Architecture: any
-Depends: ${perl:Depends}, ${misc:Depends}, ${shlibs:Depends}, libpiny-perl (>= 0.14), pinyadmin (>= 0.10)
+Depends: ${perl:Depends}, ${misc:Depends}, ${shlibs:Depends}, libjson-perl, libpiny-perl (>= 0.14), pinyadmin (>= 0.10)
 Description: CGIs for managing piny repositories
  The CGI programs for day-to-day administrative tasks in the Piny
  infrastructure.
-- 
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