outsource model config to config file

lib/NGCP/Panel/Model/billing.pm

@@ -3,11 +3,4 @@ package NGCP::Panel::Model::billing;
 use strict;
 use base 'Catalyst::Model::DBIC::Schema';
 
-__PACKAGE__->config(
-    schema_class => 'NGCP::Schema::billing',
-    
-    connect_info => {
-        dsn => 'dbi:mysql:dbname=billing',
-        user => 'root',
-    }
-);
+1;

ngcp_panel.conf

@@ -9,3 +9,12 @@ log4perl.appender.Default.utf8=1
 log4perl.appender.Default.layout=PatternLayout
 log4perl.appender.Default.layout.ConversionPattern=%d{ISO8601} [%p] [%F +%L] %m{chomp}%n
 # perhaps also add: host=%H pid=%P
+
+<Model::billing>
+    schema_class   NGCP::Schema::billing
+    <connect_info>
+        dsn   dbi:mysql:dbname=billing
+        user   root
+    </connect_info>
+    user_defined_schema_accessor foo
+</Model::billing>