Add generic xref controllers and templates to liberty

Moves add/edit xref pages out of stock into liberty so any content type
can use them. list_xref.tpl uses hasUpdatePermission() instead of a
stock-specific permission check.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 45 insertions, 0 deletions

diff --git a/add_xref.php b/add_xref.php
new file mode 100644
index 0000000..56ba6d5
--- /dev/null
+++ b/add_xref.php
@@ -0,0 +1,45 @@
+<?php
+/**
+ * @package liberty
+ * @subpackage functions
+ */
+
+namespace Bitweaver\Liberty;
+
+require_once '../kernel/includes/setup_inc.php';
+
+global $gBitSystem, $gBitSmarty, $gBitUser, $gContent;
+
+if( empty( $_REQUEST['content_id'] ) || !is_numeric( $_REQUEST['content_id'] ) ) {
+	$gBitSystem->fatalError( 'No content ID specified.' );
+}
+
+$gContent = LibertyContent::getLibertyObject( (int)$_REQUEST['content_id'] );
+
+if( !$gContent || !$gContent->isValid() ) {
+	$gBitSystem->fatalError( 'Content not found.' );
+}
+
+$gContent->verifyUpdatePermission();
+
+if( !empty( $_REQUEST['fCancel'] ) ) {
+	header( 'Location: '.$gContent->getDisplayUrl() );
+	die;
+}
+
+if( !empty( $_REQUEST['fAddXref'] ) ) {
+	if( $gContent->storeXref( $_REQUEST ) ) {
+		header( 'Location: '.$gContent->getDisplayUrl() );
+		die;
+	}
+}
+
+$xref_type = (int)( $_REQUEST['xref_type'] ?? 1 );
+$xrefTypeList = $gContent->getXrefTypeList( $xref_type );
+
+$gBitSmarty->assign( 'gContent', $gContent );
+$gBitSmarty->assign( 'xref_type', $xref_type );
+$gBitSmarty->assign( 'xrefTypeList', $xrefTypeList );
+$gBitSmarty->assign( 'errors', $gContent->mErrors );
+
+$gBitSystem->display( 'bitpackage:liberty/add_xref.tpl', 'Add Detail', [ 'display_mode' => 'edit' ] );